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Pile detecting hole obstacle clearing device based on churn drill

A technology of cleaning device and impact drill, applied in sheet pile wall, foundation structure engineering, construction, etc., can solve the problems of detection equipment not working normally, clogging, etc., and achieve the effect of ingenious structural design and good fixing effect.

Pending Publication Date: 2017-10-13
昂徕博智能科技(昆山)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a device for clearing obstacles in pile holes based on percussion drills, so that the cleaning equipment can go deep into the pile holes to clean the obstacles inside the pile holes, improve the original method of dredging using steel bars, and solve the problem. It solves the problem that the detection equipment cannot work normally due to the blockage of the pile hole during construction, thereby improving work efficiency and making the measurement data more accurate

Method used

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  • Pile detecting hole obstacle clearing device based on churn drill
  • Pile detecting hole obstacle clearing device based on churn drill

Examples

Experimental program
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Effect test

Embodiment 1

[0022] Embodiment 1: a kind of obstacle clearing device based on the measuring pile hole of percussion drill, as figure 1 As shown, it includes a connecting line 7, a counterweight 2, a pipe fixing device and a percussion drill 4, and the pipeline fixing device is located between the counterweight and the percussion drill, and the front end of the percussion drill is provided with a drill bit 5 , the connecting wire 7 is electrically connected to the impact drill 4;

[0023] The connection line 7 , the counterweight 2 , the pipe fixing device and the percussion drill 4 are all located in the pile measuring hole 1 .

[0024] The pipeline fixing device is an air bag 8 .

[0025] The airbag is a cylindrical airbag.

[0026] The connecting wires 7 include power wires and steel wires.

[0027] The drill bit 5 is a point drill bit, a needle drill bit or a cylinder drill bit.

Embodiment 2

[0028] Embodiment 2: a kind of obstacle cleaning device based on the measuring pile hole of percussion drill, as figure 2 As shown, the structure is basically the same as that of Embodiment 1, except that the pipeline fixing device is a hydraulic telescopic device 3 .

[0029] Working principle or working process of the present invention are as follows:

[0030] The cleaning device is slowly put into the pipeline. When the drill bit encounters an obstacle in the pipeline, the counterweight generates a vertical downward force due to gravity. When the hydraulic expansion device receives the vertical force, it expands horizontally and fixes the cleaning device on the The inner wall of the pipe or the air bag deforms when it is under the pressure of the counterweight, and the diameter becomes larger, and it is close to the inner wall of the pile measuring hole pipe to prevent the impact drill from rotating in the horizontal direction of the pile measuring hole to achieve the purp...

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Abstract

The invention discloses a pile detecting hole obstacle clearing device based on a churn drill. The pile detecting hole obstacle clearing device based on the churn drill comprises a connection wire, a counter weight block, a pipeline fixing device and the churn drill. The pipeline fixing device is located between the counter weight block and the churn drill. The front end of the churn drill is provided with a drill bit. The connection wire is electrically connected with the churn drill. The connection wire, the counter weight block, the pipeline fixing device and the churn drill are all located in a pile detecting hole. The pile detecting hole obstacle clearing device based on the churn drill can go deep into the pile detecting hole to clear obstacles in the pile detecting hole, an original steel bar dredging method is improved, and the problem that during construction, due to the fact that the cast-in-place pile detecting hole is plugged, a detecting device cannot normally work is solved; and in this way, the work efficiency is improved, and measurement data are more accurate.

Description

technical field [0001] The invention relates to an obstacle cleaning device for measuring pile holes based on percussion drills, in particular to a small cleaning device for cleaning obstacles in pile measuring holes for cast-in-situ piles. Background technique [0002] Due to the advantages of no vibration, no soil extrusion, low noise, and suitable for use in densely built urban areas during construction, cast-in-place piles are widely used in construction. According to different hole-forming techniques, cast-in-situ piles can be divided into cast-in-place piles with dry operation, cast-in-place piles with mud retaining walls, and cast-in-place piles with manual digging. There is a small-diameter metal pipe inside the cast-in-place pile to measure whether there is a quality problem when the cast-in-situ pile is poured. [0003] However, due to natural and human factors, the pile holes of cast-in-situ piles are often blocked. The piles are several meters to tens of meters ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D13/08
CPCE02D13/08
Inventor 张威宋钢兵
Owner 昂徕博智能科技(昆山)有限公司
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