The construction of bored pile is mostly carried out in quaternary loose strata, so collapse is the most common accident in the construction of bored pile1. Signs before an accidentSlump hole and shrinkage hole occur in drilling construction, generally speaking, it does not happen suddenly. There we Read More

As a common construction machinery equipment, rotary drilling rig is widely used in construction, infrastructure construction and other fields. The operation of rotary drilling rig not only needs to master the basic mechanical operation skills, but also needs to have certain theoretical knowledge an Read More

Rotary drilling rigs are widely used in foundation engineering, pile foundation construction, and deep pit excavation projects. They drill through different types of soil or rock layers by rotating drill bits. The choice of drill bit has a direct impact on construction efficiency and quality. Differ Read More

A rotary drilling rig, as an efficient piece of equipment widely used in foundation construction, deep pit excavation, and other projects, relies heavily on its hydraulic system for optimal performance. The oil pump, being one of the key components of the hydraulic system, plays a crucial role in th Read More