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2025-9-29What precautions should be taken when maintaining a trenchless drilling rig?
I. Daily Maintenance Key Points 1. Equipment Cleaning After daily operation, thoroughly clean the drill rod, drill bit, and drill body from mud and oil to prevent corrosion (focus on cleaning the powe -
2025-9-26How often should a trenchless drilling machine be maintained?
1. Daily Maintenance Cleaning and Inspection: Remove mud from the drill rod, drill bit, and drill body. Inspect the guide drill bit for wear (blade wear > 3mm requires replacement). Hydraulic Syste -
2025-9-24
What are some common faults with trenchless drilling rigs?
1. Mechanical System Failure Drill Rod/Drill Bit Stuck Cause: Excessive hole expansion speed or too small a curvature radius of the pilot hole, resulting in compression of the hole wall. Remedy: Reduc -
2025-9-22How to operate a trenchless drilling rig?
I. Pre-construction Preparation 1. Site Survey Confirm the distribution of underground pipelines (using an underground detector) and avoid obstructions. Mark the entry/exit locations and ensure the dr -
2025-9-19How to clean the hydraulic oil tank of an HDD drilling rig?
I. Preparation 1. Draining the Old Oil Completely drain the hydraulic oil from the tank to prevent residual oil from contaminating the new oil. 2. Safety Precautions Wear protective gloves and goggles -
2025-9-17How can common faults in HDD drilling rig hydraulic systems be prevented?
I. Fluid Management 1. Regular Fluid Replacement and Filtration Hydraulic oil should be replaced annually or every 2000 hours. ISO VG 46 anti-wear hydraulic oil is preferred. During oil changes, thoro -
2025-9-15What are common faults in HDD drilling rig hydraulic systems?
1. Abnormal Pressure 1. Insufficient Pressure Symptom: Weak movement of the actuator (e.g., cylinder) Cause: Hydraulic pump wear, relief valve failure (spring fatigue or valve core sticking), or valve -
2025-9-12
How to maintain the hydraulic system of an HDD drilling rig?
I. Hydraulic Oil Management 1. Regular Oil Replacement Hydraulic oil should be replaced annually (or every 2000 hours). ISO VG 46 anti-wear hydraulic oil is preferred. Thoroughly clean the oil tank an -
2025-9-10
What precautions should be taken when replacing vulnerable parts on HDD drill...
I. Safety Operating Procedures 1. Shutdown and Power Off Before replacement, be sure to shut off the power to the equipment, display a warning sign, and release any residual pressure in the hydraulic -
2025-9-08How should vulnerable parts of HDD drill rigs be maintained and replaced?
I. Drill Bit Maintenance and Replacement 1. Wear Monitoring In hard rock formations, roller cone bits should be replaced when teeth wear exceeds one-third. PDC bits should be immediately removed from -
2025-9-05What are the main vulnerable parts of HDD drill rigs?
1. Drill Bits As components that come into direct contact with the formation, their wear is significantly affected by rock hardness, drilling pressure, and rotational speed. For example, in hard rock -
2025-9-03How to Inspect and Maintain the Hydraulic System of a Horizontal Directional ...
I. Hydraulic System Inspection Methods 1. Basic Inspection Oil Level and Quality: Check that the oil level in the tank is within the marked range. The oil should be transparent and free of emulsificat