Side part support variable amplitude mixing pile pressing integrated machine and construction method thereof

Abstract

The invention discloses a side part support variable amplitude mixing pile pressing integrated machine and a construction method thereof. The construction method comprises the following steps that a pile machine is in place, the tilting angle is adjusted, and a cement stirring pile is constructed; a core-added pile is installed; and pile pressing is conducted. According to the construction method,by adjusting the tilting angle of a vertical axis between a tower frame and a main machine platform, the tilt angle of a core-added stirring pile is accurately controlled, and the precise construction of the core-added stirring pile with the set tilt angle is achieved; and the side part support variable amplitude mixing pile pressing integrated machine includes the main machine platform, a rotating support, a rotating shaft, a hydraulic pile pressing mechanism, a stirring and pile drilling mechanism, a moving mechanism, a support frame, a sliding seat and a variable amplitude oil cylinder. According to the side part support variable amplitude mixing pile pressing integrated machine, through the expansion control of the variable amplitude oil cylinder, the support angle of the support frame is changed, so as to adjust the drilling inclination angle of the stirring pile drilling mechanism and the pile pressing inclination angle of the hydraulic pile pressing mechanism simultaneously, the precise control of the inclination angle of the core-added stirring pile is realized, at the same time, high concentricity of the stirring pile and the core-added stirring pile is maintained, and construction quality and safety are improved.

Description

technical field [0001] The invention relates to the technical field of pile foundation construction equipment, in particular to a side-supported luffing-type pile-stirring integrated machine and a construction method thereof. Background technique [0002] The existing cored mixing piles are composed of cement-soil mixing piles (also called cement mixing piles) and concrete core piles. Composite piles formed by pipe piles. The cored mixing pile has the characteristics of high bearing capacity, low settlement, low cost, environmental protection, and wide application range. In today's road and railway pile foundation construction process, the cement concrete cored pile widely used is the cored mixing pile, and the cement concrete cored pile combines the cement soil mixing pile and the cored pile closely together, and the two organically and effectively Combined together, each exerts its own strengths. It not only uses high-strength cored piles to bear the pressure, but also u...

AI Technical Summary

Problems solved by technology

At present, when constructing cored mixing piles, the cement mixing piles are firstly constructed with a mixing pile machine, and then the pre-processed cored piles are pressed into In the cement mixing pile, it is necessary to configure the pile pressing equipment separately, and the investment cost is high, and the construction space required for the simultaneous use of the pile pressing equipment and the mixing pile machine is large, the construction occasion is limited, the construction speed is slow, and the construction efficiency is low, especially for those with For the core-stirred pile with set inclination angle, the set inclination angle cannot be accurately controlled, resulting in a reduction in the bearing capacity of the composite foundation of the pile body and affecting the quality of the project

[0004] In the prior art, the Chinese invention patent with the application number 201810267588.5 discloses an integrated machine for stirring piles and piles. The integrated machine for stirring piles still has the following disadvantages: it is only suitable for the construction of vertical cored stirring piles, but for those with For cored mixing piles with a set inclination angle, the integrated machine for stirring and pressing piles cannot adjust the inclination angle and amplitude of the cored mixing piles according to construction needs; at the same time, it is even more difficult to maintain a high concentricity between the inclined cored piles and the stirring piles Spend

Due to the close relationship between the structure of the mixing and piling integrated machine and the construction process, simply improving the structural design or construction process cannot achieve accurate and efficient construction of controlling the inclination angle of the cored mixing pile

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