Bi-directional cement soil mixing pile machine

Abstract

Two-way cement-soil mixer is a kind of construction machinery equipment suitable for soft soil foundation treatment. The mixer consists of body (1), power transmission system (2), outer drill rod (3), inner drill rod (4), drill bit ( 5) Composition, wherein the power transmission system is located on the upper part of the fuselage (1), the inner drill rod (4) is located in the outer drill rod (3), and the inner drill rod (4) and the inner drill rod in the power transmission system (2) The rod power transmission system connection flange (211) is connected, the outer drill rod (3) is connected with the outer drill rod power transmission system connection flange (25), and the drill bit (5) is located at the bottom of the inner drill rod (4). The machine is easy to construct, easy to operate, and easy to master. The two-axis two-way rotation drives two sets of mixing blades to rotate in two directions at the same time, which can ensure the mixing amount of cement slurry in the pile body, and there will be no slurry phenomenon; at the same time, it can ensure that the pile body cement The soil is fully stirred evenly to ensure the quality of the pile and the quality of the pile body; the efficiency is more than doubled.

Description

technical field [0001] The invention relates to construction machinery equipment suitable for soft ground treatment, and belongs to the technical field of construction machinery manufacturing. Background technique [0002] The cement-soil mixing pile was first successfully developed in Sweden. In China, in 1977, the General Institute of Construction Research of the Ministry of Metallurgy and the Water Transport Planning and Design Institute of the Ministry of Communications carried out indoor experiments and mechanical development. In 1980, it succeeded for the first time in the soft soil foundation reinforcement project. Since then, it has been popularized in soft soil foundation reinforcement projects across the country, especially in soft soil foundation treatment in road engineering. [0003] Soft soil foundation treatment in road engineering is a key link to ensure the quality of the project, and it occupies a large proportion of the total pro...

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Problems solved by technology

[0005] (1) Cement-soil mixing pile soft soil generally has uneven cement-soil mixing in foundation treatment, which affects the quality of piles

[0006] (2) Uneven distribution of cement slurry in the pile body is common in soft soil foundation treatment, especially when the amount of cement slurry below 6m to 7m does not meet the due requirements

[0007] (3) During the construction process of cement-soil mixing piles, there is a common phenomenon of slurrying, and a large amount of cement slurry emerges from the ground, which affects the amount of cement slurry in the pile body

[0008] (4) The construction of existing cement-soil mixing pile construction machinery generally requires four stirring and two spraying, which has low work efficiency

[0009] Due to the existence of the above problems, the quality and application range of cement-soil mixing piles are affected

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