The spiral pile driver primarily works by cutting and excavating the borehole layers into large chunks of rock debris, thereby achieving both environmental and economic benefits. This is precisely what pile driver manufacturers strive to offer their customers, making work and life easier. When using or operating a spiral pile driver, attention should be paid to low-speed, high-torque control. The impact of the geological formation on drilling efficiency mainly manifests in the difficulty of drilling through the formation (drillability) and the speed of soil removal.
The operation of a spiral pile driver requires control at low speed and high torque. The mechanism of rock breaking and powder carrying in pile hole construction is different from geological drilling. The main equipment for lifting the drill rod in a spiral pile driver, frequently used during the piling process, is then placed inside the drill bit. Geological drilling, on the other hand, primarily grinds the formation into fine particles and brings them to the surface via flushing fluid. Before piling, the pile foundation axis should be determined according to the design drawings, and the precise location of the piles should be measured and marked on the ground.
Common faults with the main winch of a spiral pile driver include the main winch not operating, the main winch not floating up, and the need to overcome various resistances from static to dynamic with each action, requiring the strongest power for startup. During operation, it is necessary to control for low speed and high torque; sudden dropping of the drill rod, the main winch can only descend, and the drill rod slowly lowers, etc.
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