The rotation of the rotary device of the DTR all-casing rotary drill makes the friction between the steel pipe sleeve and the soil layerThe force is greatly reduced, the side rotating side press in, at the same time using the impact grab, impact hammer....
The essence of the hole formation of the occlusal pile is the follow - up method of the casing. That is, the whole casing drill is used to rotate the casingnter the soil, protect the perforated section, take the soil in the pile tip with grab...
By adoptingcasing rotator to lay down the casing, rotator drill soil borrowing construction method can not only fully take rotator drill large torque cutting and casing laying advantages of casing rota tor, but also play the role of rotator...
During urban construction and bridge renovation, reinforced concrete pile, stone, local rocks and other obstacles shall be removed directly for making cast-in-place foundation pile or diaphragm wall.
Steel upright post vertical insertion construction technology is a kind of construction methodconnecting pile foundation with steel upright post in top-down construction method (known as one column for one pile).
Suitable for: cast-in-place pile occlusal pile, steel column insertion, pile removal, etc.
Low clearance casing rotator
Suitable for: tunnels, bridgesculverts and other narrow working space.
Important unit components that make up the product as a whole
Product components that provide support for construction operations
Xuzhou Dunan Heavy Industry Machinery Manufacture Co.,Ltd & Xuzhou Dunan Construction Machinery Manufacture Co.,Ltd is a high-tech enterprise specialized in R&D, manufacturing, sales and service or special engineering machinery, as well as helping clients carry out construction management. The main products are included as DTR series casing rotator and intelligent compensation system for foundation pit steel support axial force, etc.
The company’s business concept is “Customer-centric, technology-leading”. With a strong capacity in technical research and development, and manufacture, R&D and manufacturing have completely independent intellectual property rights and achieve international leadership’s full-scale full –sleeve full-rotation drilling rig, which have obtained more than 70 national patents, including 5 invention patents. Meanwhile, as the main drafting nuit, Dunan Construction Industry has compiled the domestic full casing drilling rig industry standard.
Gather together in Shanghai for a grand event The Ninth China International Pile and Deep Foundation Summit was solemnly convened
The quality is in my hands, the customer in my heart | xuzhou dun an full power to ensure delivery do not forget to close the quality of products
Strive to be the pioneer of Metro Construction in Wan District. Mr. Dun Jianji participates in the Metro Industry Conference of Dawan District, Guangdong, Hong Kong and Macao.
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Industry standard setterMore than 60 national patents
Convenient service networkHigh quality after-sales service
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