Bidirectional stirring pile machine

A technology of two-way mixing and pile driving, which is applied in the direction of sheet pile walls, drilling equipment, drilling equipment and methods, etc., can solve the problems of waste of cement, uneven pile diameter, poor pile quality, etc., and achieve the reduction of cement consumption and saving The effect of improving construction cost and construction efficiency

Active Publication Date: 2008-08-20
江苏盛泰建设工程有限公司
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Problems solved by technology

At present, the pile driver with one-way mixing is commonly used in construction. It uses a drill rod to drive a drill bit for one-way mixing construction. The disadvantages are: uneven mixing, poor pile quality, and low work efficiency.
In the prior art, such as the Chinese patent whose patent n

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  • Bidirectional stirring pile machine
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Example Embodiment

[0017] The two-way powder mixing machine of the present invention adopts the method of stirring into piles in two opposite directions, and is realized by a drill rod composed of coaxial inner and outer drill rods 9 and 8 . The cross-sectional shape of the outer drill pipe 8 is square or hexagonal, the rotation of the outer drill pipe 8 is driven by the turntable 6, and the transmission point of the outer drill pipe 8 is at the lower part of the drill pipe; the cross-sectional shape of the inner drill pipe 9 is a circle, and the inner drill pipe 9 The rotation of the drill pipe is driven by the upper transmission motor 13, and the transmission point of the inner drill pipe 9 is on the upper part of the drill pipe. The bottoms of the inner and outer drill rods are respectively connected with inner and outer drill bits with double-layer stirring blades.

[0018] The specific structure is: including a chassis 1, a tower 3, an inner and outer drill pipe, a drill bit 7 and a power t...

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Abstract

The invention relates to a two-way stirring pile machine used in pile-forming through stirring at two opposite directions, which comprises a chassis, a tower, an inner drill pipe and an outer drill pipe coaxially sheathed together, and a drill bit. The outer drill pipe has a square-shaped or hexagon-shaped cross section; the rotation of the outer drill pipe is driven by a turntable on the chassis; the inner drill pipe is provided with a circular cross section; the rotation of the inner drill pipe is driven by an upper driving motor at the upper end of the drill pipe; the upper driving motor is connected with the inner drill pipe through a transmission shaft; a feeding device is arranged at the upper part of the transmission shaft, and a rotating sleeve for the outer drill pipe is arranged at the lower part of the transmission shaft; the rotating sleeve for the outer drill pipe is connected with the outer drill pipe through flanges. The two-way stirring pile machine can be used for both powder-spraying pile machine and slurry-spraying pile machine; the drilling speed is controlled by driving chains to realize pressuring and decompressing drilling; the piles are formed at one time, and a second repetitive stirring is not needed, thus doubling the construction efficiency with even stirring, steady construction, and high-quality of the formed pile; no ash back-feeding phenomenon occurs, and the cement consumption can be reduced by 10 to 20 percent, thus saving construction cost.

Description

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Claims

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Application Information

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Owner 江苏盛泰建设工程有限公司
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