Combined mixing pile drill bit suitable for sand layer and provided with steel cover box

CN222140008UActive Publication Date: 2024-12-10ZHONGYIFENG CONSTR GRP
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Patent Information

Application Number
CN202420846087.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-23
Publication Date
2024-12-10
Estimated Expiration
2034-04-23

AI Technical Summary

Technical Problem

The traditional three-axis mixing pile drill rod is likely to cause soil collapse when stirring in the sand layer, and the pile formation effect is not ideal.

Method used

A combined mixing pile drill bit with steel casing is designed, including a sleeve box, drill rod, drill rod blade, forward head, joint, support frame and cutting blade. It is connected by a ball hinge or bearing, and the drill rod and support frame are rotated. Connected, the bottom of the box is equipped with a cutting edge to prevent soil from collapsing and achieve sufficient stirring.

Benefits of technology

During the construction process, the rotating drive box guard of the drill rod prevents the soil from collapse, while ensuring sufficient stirring and stability of the soil, improving the pile formation effect.

✦ Generated by Eureka AI based on patent content.

Smart Images

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    Figure CN222140008U_ABST
Patent Text Reader

Abstract

The utility model provides a combined type mixing pile drill bit suitable for a sand layer and provided with a steel jacket box. The combined type mixing pile drill bit comprises the jacket box, at least one drill rod is rotationally arranged in the jacket box, drill rod blades are arranged on the outer side of the drill rod, an advancing head is arranged at the lower end of the drill rod, and a connector is arranged at the upper end of the drill rod. According to the utility model, the joint at the upper end of the drill rod is matched and connected with the mixing pile machine, in the mixing pile construction process, the mixing pile machine drives the drill rod to rotate in the pouring jacket, the pouring jacket enters the soil body along with the drill rod, and the pouring jacket can play a role in protecting the soil body which is easy to collapse due to disturbance, so that collapse is avoided; meanwhile, it is guaranteed that the drill rod blades fully stir the soil body in the pouring jacket.
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