Continuous drilling, debris discharging and pouring integrated pile driving tool capable of preventing hole collapse

Abstract

The invention belongs to the field of building engineering and mechanical engineering, and particularly relates to a continuous drilling, debris discharging and pouring integrated pile driving tool capable of preventing hole collapse. According to the adopted technical scheme, the continuous drilling, debris discharging and pouring integrated pile driving tool capable of preventing hole collapse comprises a circulating device, a rotary excavating drill bit and a pouring mechanism; the circulating device mainly comprises a circulating wall protecting barrel, a circulating drilling barrel and aspiral conveying piece, the two ends of the circulating device are connected with an external power shaft connecting piece and the rotary excavating drill bit correspondingly, and the circulating wallprotecting barrel is coaxially connected with the circulating drilling barrel through the spiral conveying piece; the rotary excavating drill bit comprises a drill bit main body, blades and a spiralpiece, and the spiral piece is connected with the blades and the drill bit main body; and the pouring mechanism comprises a pouring channel a, a pouring channel b and a valve. The invention provides the brand-new continuous drilling, debris discharging and pouring integrated pile driving tool capable of preventing hole collapse, and the efficiency of pile driving drilling, circulating debris discharging and continuous pouring is improved.

Description

technical field [0001] The invention belongs to the fields of construction engineering and mechanical engineering, and in particular relates to an integrated piling tool for continuous drilling, chip removal and pouring of anti-break holes. Background technique [0002] In the piling process of building infrastructure, due to the complexity and unpredictability of geological structures in different regions, the performance requirements of piling tools may not match and lag behind the conditions in the pile well, especially in soft ground geological areas, need to increase The operation process of retaining wall, which leads to low efficiency of drilling, chip removal and pouring. The performance of piling tools for such subdivision operations cannot meet the needs of efficient piling, because the design of the drill bit structure of the piling machine fails to comprehensively consider geological factors such as sandy soil, cohesive soil, silty soil, and rock interlayers duri...

AI Technical Summary

Problems solved by technology

[0002] In the piling process of building infrastructure, due to the complexity and unpredictability of geological structures in different regions, the performance requirements of piling tools may not match and lag behind the conditions in the pile well, especially in soft ground geological areas, need to increase Wall protection operation process, resulting in low efficiency of drilling, chip removal and pouring

The performance of piling tools for such subdivision operations cannot meet the needs of efficient piling, because the design of the drill bit structure of the piling machine fails to comprehensively consider geological factors such as sandy soil, cohesive soil, silty soil, and rock interlayers during the drilling process; The cuttings removal cycle carries out the four processes of stopping drilling, lifting the drill barrel, dumping cuttings and retaining the wall in sequence. When operating a deep pile well, the process of lifting the drill barrel and dumping cuttings takes more time, and the drilling and discharging The drilling chip removal cycle method is alternately carried out in the chip process, and there is a greater risk of hole collapse when lifting the drill barrel; the pouring operation needs to lift the piling equipment after the piling is completed, and replace other special pouring tools in order to realize continuous pouring of concrete

Causes the "intermittent" phenomenon of drilling construction, chip removal circulation, and pouring operations in soft ground

There is "intermittent" After drilling, it takes more time, financial resources, material resources and manpower

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