As a common underground construction equipment, the anchor drill truck is widely used in anchoring operations in projects such as mines, tunnels, and subways. It can effectively and accurately complete the anchor bolt drilling operation, improving the construction efficiency and project quality. As the anchor bolt drilling vehicle involves multiple complex systems and components, long-term high-intensity operation is prone to cause wear and failure of the equipment. Therefore, conducting scientific and reasonable daily maintenance and upkeep can effectively extend the service life of the anchor bolt drilling vehicle, ensure its normal operation, and prevent production accidents and delays.
This article will provide a detailed introduction to the key points of daily maintenance and care for anchor bolt drilling vehicles, covering aspects such as routine inspections, equipment cleaning, lubrication maintenance, hydraulic system maintenance, electrical system maintenance, fault diagnosis and repair, etc. The aim is to help operators improve the efficiency of equipment usage and ensure construction safety.
I. The Necessity of Daily Maintenance
The daily maintenance of anchor bolt drilling vehicles is not merely a matter of extending the service life of the equipment, but also the foundation for ensuring construction safety and project progress. During the operation of anchor bolt drilling vehicles, faults are prone to occur due to long-term high-load operation, environmental factors, improper operation and other reasons. Common faults include oil leakage in the hydraulic system, electrical component failure, mechanical part wear, etc. If not maintained in a timely manner, it may lead to serious safety hazards and construction halts. Therefore, regular inspection and maintenance of the anchor bolt drilling vehicle are the key to ensuring the effective and stable operation of the equipment.
Ii. Daily Maintenance Contents of Anchor bolt Drilling Vehicles
2.1 Regular Inspection
Regular inspection of anchor bolt drilling vehicles is the foundation of daily maintenance. Operators must strictly follow the equipment maintenance manual and operating procedures provided by the manufacturer to regularly inspect each system and component of the equipment.
Visual inspection: Inspect the appearance of the equipment, especially the frame, bracket, vehicle body and other parts, to ensure there are no cracks, deformations or looseness. Focus on inspecting the welding areas to confirm that there are no fractures or local damages.
Fastener inspection: Regularly inspect all types of fasteners on the equipment, such as screws, nuts, bolts, etc., to ensure that all connecting parts are tight and reliable. Loose fasteners may cause problems such as vibration, jamming or detachment of the equipment during operation, affecting the construction accuracy and safety.
Hydraulic system inspection: Inspect components such as the hydraulic oil tank, oil pipes, hydraulic pump, and hydraulic cylinder to check for any leakage, loosening, or aging. The oil level and quality of the hydraulic oil should be checked in a timely manner, and replaced if necessary.
Electrical system inspection: Check whether the wiring, switches, and protective devices of the electrical system are in good condition, whether the cable lines are damaged or aged, and whether the electrical control panel is working normally.
Power system inspection: Check whether the engine, engine connection parts, fuel system and air filter, etc. are in good condition to ensure smooth engine operation. Check the fuel level and quality to prevent unstable engine operation caused by poor fuel quality or insufficient fuel.
2.2 Cleaning and Clearing
Cleaning is an indispensable part of the maintenance of anchor bolt drilling vehicles. During long-term operation, equipment is prone to accumulate dust, debris, soil, etc., which can affect its normal operation.
External cleaning: After each operation, the exterior of the equipment should be cleaned to remove soil, weeds and other debris, and keep the exterior of the equipment clean. When cleaning, avoid directly flushing the equipment with a high-pressure water gun to prevent water from entering the electrical components and power system.
Cooling system cleaning: The anchor drill rig is equipped with a cooling system to ensure the heat dissipation of the engine and hydraulic system. Regularly inspect and clean the dust and debris on the cooler to prevent poor heat dissipation from affecting the operation of the equipment.
Filtration system cleaning: Clean the air filter, oil filter, oil-water separator and other filtration devices to prevent engine or hydraulic system failures caused by improper filtration. The filter should be replaced or cleaned regularly to ensure that the air, oil and water impurities in the system are filtered out thoroughly.
2.3 Lubrication and Oil Replacement
The lubrication system is crucial for the normal operation of the anchor drill car. Lubricating oil can reduce friction, lower part wear and extend the service life of the equipment.
Regular replacement of lubricating oil: According to the working time and usage conditions of the equipment, replace the lubricating oil regularly. Different seasons and working environments require the selection of different types of lubricating oil. Under normal circumstances, the replacement cycle of engine oil and hydraulic oil is around 500 hours, but it should also be appropriately adjusted according to the operating conditions of the equipment.
Lubricating oil addition: Check whether the lubricating oil in each component of the equipment is sufficient, especially in the hydraulic pump, cylinder, gearbox and other components. Add lubricating oil in time to avoid excessive wear of parts or system jamming due to lack of oil.
Grease cleaning and application: Regularly clean the grease storage tank and lubrication pipes to prevent long-term accumulation of grease from causing equipment overheating or blockage.
2.4 Maintenance of Hydraulic System
The hydraulic system is one of the core components of the anchor bolt drilling vehicle, and maintaining the normal operation of the hydraulic system is of vital importance. The hydraulic system includes hydraulic pumps, hydraulic cylinders, oil pipes and hydraulic control valves, etc.
Inspection and replacement of hydraulic oil: Regularly check the oil level, quality and temperature of the hydraulic oil. Deterioration of hydraulic oil or an excessively low oil level can cause abnormal operation of the hydraulic system and even lead to malfunctions. The replacement cycle of hydraulic oil is usually carried out every 500 hours of operation, but the cycle should be adjusted according to the working environment.
Inspection of hydraulic components: Check whether there is any leakage, wear or aging in the hydraulic pump, hydraulic cylinder, oil pipe and other parts. In particular, vulnerable parts such as seals, filter elements and oil seals should be inspected regularly and replaced in a timely manner.
Clean the hydraulic system: Clean the hydraulic oil tank, oil pipes and oil filter to prevent oil stains and impurities from entering the hydraulic system, which may lead to reduced efficiency or damage of the hydraulic system.
2.5 Electrical System maintenance
The electrical system of the anchor bolt drilling vehicle involves multiple components such as engine electronic control, sensors, display screens and protection devices. Faults in the electrical system may cause equipment to shut down or lead to operational errors, so regular maintenance and inspection are required.
Battery inspection: Check the battery's power and voltage to prevent insufficient battery power from affecting the normal start-up and operation of the equipment. Clean the battery contact terminals when necessary to prevent corrosion or loosening.
Electrical circuit inspection: Check whether the electrical circuits are in good condition, especially whether there is any damage, aging or short circuit in the high-voltage wires. Repair faults in electrical circuits in a timely manner to ensure the normal operation of the electrical system.
Electrical connector inspection: Check whether the electrical connectors and terminals are in good contact to avoid unstable electrical signal transmission due to poor contact.
2.6 Inspection of the operating System and control Panel
The operating system and control panel of the anchor bolt drilling vehicle are the main interactive interfaces between users and equipment. Operators need to check various display information on the control panel in a timely manner.
Control panel function check: Ensure that all operation buttons, display screens, indicator lights, alarm systems, etc. are working properly. When an alarm signal appears, operation should be stopped immediately and the cause checked.
Inspection of the joystick and buttons: Regularly check the flexibility and response speed of the joystick and switch buttons to prevent operation from being affected due to key failure or jamming.
Sensor inspection: Check the sensitivity and accuracy of the sensors in the control system to ensure that the data during the operation of the equipment is accurate and error-free.
Iii. Common Faults and Troubleshooting
In daily maintenance, operators need to master the diagnosis and elimination methods of common faults to avoid prolonged downtime of the equipment.
3.1 Difficulty in starting the engine
Cause analysis: It might be a fuel system failure, insufficient battery power or damage to the starting motor.
Troubleshooting method: Check the fuel quality, clean the fuel system, confirm that the battery power is sufficient, and check whether the starting motor is working properly.
3.2 Abnormal hydraulic system
Cause analysis: Insufficient hydraulic oil, excessively high oil temperature, and hydraulic oil contamination.
Troubleshooting method: Check the hydraulic oil level and replenish it in time. Replace the hydraulic oil, clean the hydraulic oil tank and filter element, and check whether the oil pipe connection is loose.
3.3 Electrical System failure
Cause analysis: Low battery power, damaged wiring, sensor failure.
Troubleshooting methods: Check the battery power, check if there is any open circuit or short circuit in the electrical circuit, and check if the sensor is damaged.
Iv. Summary
The daily maintenance and upkeep of anchor bolt drilling vehicles are the key to ensuring the effective and stable operation of the equipment. Operators need to regularly inspect, clean, lubricate and maintain the equipment, especially the hydraulic system, electrical system and power system, to prevent equipment failure. Regular maintenance work not only extends the service life of equipment, but also enhances construction safety and operational efficiency. Therefore, operators should strictly follow the operating procedures to carry out daily maintenance and promptly eliminate faults when any abnormalities are found to ensure that the equipment is always in the best working condition.
