The prototype of ST series multi-function double-rotary casing drilling machine independently developed by Shougang Taihao Basic Machinery Technology Co., Ltd. was successfully developed. The drilling machine has the core technology of independent intellectual property rights. The technical level is the first in China and has applied for national invention patent.
According to reports, ST series multi-function double-rotary casing drilling rig is an engineering machinery product used in infrastructure construction in various fields such as civil construction, transportation, water conservancy and flood prevention, and environmental protection. It can be drilled into piles under various complicated geological conditions; it is used for the construction of reinforced concrete pouring piles and CFG piles; it is suitable for the construction of composite piles of various steel pipes and concrete; the corresponding accessories can be used to set pre-cast cement without vibration. Prefabricated piles such as pipe piles and steel pipe piles; with corresponding accessories, deep mixing and mixing can be carried out to deepen the soft foundation.
Its main technical features are: the unique composite double-rotation two-speed power head drive, the unique double-slewing drilling of the drill pipe and the outer drill sleeve; the configuration of a variety of combination drilling tools, in a variety of soft and hard formations, It is easy to construct and drill piles under complicated geological conditions such as gravel layer and rock layer; due to the protection of outer drill sleeve, the pile hole does not need mud retaining wall and will not collapse, the vertical precision of drilling hole is high, and the construction speed is fast.
According to reports, ST series multi-function double-rotary casing drilling rig is an engineering machinery product used in infrastructure construction in various fields such as civil construction, transportation, water conservancy and flood prevention, and environmental protection. It can be drilled into piles under various complicated geological conditions; it is used for the construction of reinforced concrete pouring piles and CFG piles; it is suitable for the construction of composite piles of various steel pipes and concrete; the corresponding accessories can be used to set pre-cast cement without vibration. Prefabricated piles such as pipe piles and steel pipe piles; with corresponding accessories, deep mixing and mixing can be carried out to deepen the soft foundation.
Its main technical features are: the unique composite double-rotation two-speed power head drive, the unique double-slewing drilling of the drill pipe and the outer drill sleeve; the configuration of a variety of combination drilling tools, in a variety of soft and hard formations, It is easy to construct and drill piles under complicated geological conditions such as gravel layer and rock layer; due to the protection of outer drill sleeve, the pile hole does not need mud retaining wall and will not collapse, the vertical precision of drilling hole is high, and the construction speed is fast.
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