Construction Environment: The action of vibration force can assist in pile driving, and the surrounding environment during construction also affects the vibration device of the excavator pile driver to varying degrees. Therefore, how to ensure basic vibration pile driving effects while reducing equipment damage is a major factor in construction economics. Installation: Heavy eccentric blocks are mounted on both ends of the pile driver's vibration motor. If installed vertically or at an angle (i.e., the shaft is vertical or inclined to the horizontal plane), the bearing axis must bear the weight of the eccentric block. If there is no special device in the vibration motor of the pile driver (i.e., a plain bearing), it will adversely affect the bearing and shorten its lifespan. Preventive measures include choosing vertical pile driver vibration motors and avoiding vertical or angled installations as much as possible. Environmental Temperature: The temperature of the material transported by the equipment should not be too high. Since the vibration motor of the pile driver is rigidly connected to the equipment, it can be considered as a whole. If the temperature of the material transported by the equipment is too high, it can easily cause an increase in the ground temperature of the pile driver and the casing temperature of the pile driver's vibration motor, leading to difficulties in heat dissipation and motor combustion. Where possible, keep the vibration motor of the pile driver away from high-temperature materials.
Moisture-proofing during the rainy season is essential. Pile drivers often fail to ignite in rainy weather. This is due to insufficient protective measures and humidity, causing leakage in the ignition system, resulting in abnormal ignition or reduced engine performance. Therefore, it's necessary to avoid storing them in overly humid indoor environments. Pile drivers should be started once a month, driven for a long time, and the battery charged. After storing the machine for a long time, wipe off the grease on the piston rod and fill the parts with grease. Failures are inevitable when using construction machinery. The file driver is a basic computer often used. Equipment failure is also common. Problems in the main components affect the operation of the entire machine, so operators must understand the cause of the problem, solve it, and resume construction in time. Internal stagnation of the foundation pile driver can lead to piston slippage or breakage. Due to public services, parts in the foundation pile driver are incorrectly installed, and deform, wear out, or are excessively constrained. The root cause is poor component quality.
Check the screws of the top pulley of the supporting tripod daily. If the screws are loose, they must be tightened in time to avoid failure. After stopping work, immediately cut off the power and check and maintain the pile driver and motor. If the tracked foundation pile driver is not used for a long time, it should be stored in a warehouse. The motor should be moisture-proof. Instruments on the control panel should be removed and stored in a box. Regularly check the bearing temperature and whether the bearing cover screws are loose. Strictly inspect whether the eccentric iron block coupling screws are loose to prevent problems. When sinking, it is strictly forbidden for personnel to stand around the pipe column (or pile). When the pile driver coordinates with water spraying and mud suction for sinking, contact relevant personnel in advance and take photos of each other during work.
High temperatures in the tracked foundation pile driver are generally divided into high temperatures of the transmission (transfer case); high temperatures of hydraulic oil; high temperatures of the engine coolant (commonly known as high water temperature). The internal gearbox is one of the main causes of high temperature because the bearings need to undergo high-intensity grinding when the gears need to operate with the main body of the pile driver. In this case, if the size or shape of the matching gears is inconsistent, or if substandard products or insufficient lubricants are used, the internal water temperature of the pile driver's engine is too high: Due to habitual reasons, operators may ignite incorrectly, the engine power is insufficient when starting, and cooling system failures, etc., can cause the water temperature inside the engine to rise. In the common-rail EFI diesel engine of the pile driver, since the hydraulic oil radiator is installed upstream of the cooling air of the water tank, the overheating of the hydraulic oil can also cause the water temperature to be too high.
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