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A pile hole slag cleaning device for bored piles

A technology of bored cast-in-place piles and pile holes, which is applied to sheet pile walls, buildings, and foundation structure engineering, etc. It can solve problems such as irregular cement diameters, irregular protrusions on the inner wall of holes, and affect the strength of cast-in-place piles, so as to achieve guaranteed strength , to avoid the effect of uneven inner wall

Active Publication Date: 2022-05-13
中科国基控股(杭州)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Bored cast-in-situ piles refer to piles formed by drilling holes in the foundation through various methods and pouring concrete inside during engineering construction. When rough drilling is performed, there will be holes at the bottom of the hole that are not carried out in time. For the exported foundation residue, it is necessary to use a slag cleaning device to clean the foundation residue at the bottom of the hole, so as to ensure that the cast-in-place piles after pouring concrete can obtain the required length and shape, but when using the slag cleaning device to clean the relatively wet and soft foundation When the ground is relatively wet and soft, if the head of the slag cleaning device that is inserted into the extraction device generates mechanical vibration during operation, it is easy to cause the interaction between the protruding part of the slag cleaning device and the inner wall of the hole, resulting in irregular deformation of the inner wall of the hole. Protrusions, which in turn lead to irregular diameters of the poured cement due to the existence of protrusions, which affect the strength of the cast-in-place pile after forming

Method used

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  • A pile hole slag cleaning device for bored piles
  • A pile hole slag cleaning device for bored piles
  • A pile hole slag cleaning device for bored piles

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specific Embodiment

[0028] see Figure 1-Figure 6 , the specific embodiments of the present invention are as follows: a device for cleaning slag in bored pile holes, its structure includes extraction pipe 1, suction machine 2, fixed block 3, control block 4, the top surface of the extraction pipe 1 and the suction machine 2 The bottom surfaces are connected to each other and connected by electric welding, the left side of the fixed block 3 is embedded and connected with the outer layer of the suction machine 2, and the right side of the control block 4 is embedded and connected with the outer layer of the suction machine 2; the extraction pipe 1 includes a deep Tube 11, expansion tube 12, connection plate 13, the top surface of the deep-in-depth tube 11 and the bottom surface of the expansion tube 12 are connected to each other and connected by electric welding, the top surface of the expansion tube 12 is embedded in the bottom surface of the connection plate 13, and the expansion tube 12 It is a...

Embodiment 2

[0035] see Figure 7-Figure 9 The specific embodiment of the present invention is as follows: the contact block B4 includes a slider B41, a cleaning block B42, a handle B43, a twist groove B44, the right side of the slider B41 is embedded and connected with the left side of the cleaning block B42, and the bracket B43 The top is embedded and connected with the right side of the cleaning block B42, and the twisted groove B44 is embedded in the left side of the handle B43. The twisted groove B44 is an arc-shaped groove structure with an arc-shaped elastic sheet on the inner wall, which is conducive to timely deformation and absorption contact reaction force and can recover after outreach.

[0036] Wherein, the cleaning block B42 includes a supporting frame C1, a slotted frame C2, a lower pressing block C3, and an extension handle C4, the top surface of the supporting frame C1 is embedded and connected with the bottom surface of the slotting frame C2, and the lower pressing block ...

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Abstract

The invention discloses a pile hole slag removal device for bored cast-in-place piles, the structure of which includes an extraction pipe, a suction machine, a fixing block, and a control block. The invention uses the suction machine to generate extraction power to make the drilling slag be extracted by the extraction pipe. During the extraction process, the air moving upwards quickly will impact on the fan blades at the same time, so that the fan blades will generate rotational power and output it to the connecting sleeve, and then the outer ring will start to rotate, and the outer top block will be pushed outward through the outer support piece In turn, the outer jacking block can be moved outwards to touch the inner wall of the borehole, and at the same time, it is kept stable by the stabilizing handle, and at the same time, the supporting handle and the twisting groove work together to absorb excessive pressure, and the slotted frame is pressed downwards and protrudes. Pull out the handle, twist and deform the extended handle, and then clean the unevenness of the inner wall of the drilled hole by rotating and scraping the head. Phenomenon occurs to ensure the strength of the cast-in-place pile after pouring.

Description

technical field [0001] The invention relates to the field of drilling, in particular to a device for cleaning slag in bored pile holes. Background technique [0002] Bored cast-in-situ piles refer to piles formed by drilling holes in the foundation through various methods and pouring concrete inside during engineering construction. When rough drilling is performed, there will be holes at the bottom of the hole that are not carried out in time. For the exported foundation residue, it is necessary to use a slag cleaning device to clean the foundation residue at the bottom of the hole, so as to ensure that the cast-in-place piles after pouring concrete can obtain the required length and shape, but when using the slag cleaning device to clean the relatively wet and soft foundation When the ground is relatively wet and soft, if the head of the slag cleaning device that is inserted into the extraction device generates mechanical vibration during operation, it is easy to cause the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D13/08
CPCE02D13/08
Inventor 施佩鋆陈风清李泽良陈美娟周嵩
Owner 中科国基控股(杭州)有限公司
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