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Suction drill bit device for suction hole forming in coral sand and construction method

A coral sand and drill bit technology is applied in drilling equipment and methods, drill bits, and drilling with mechanical conveying devices, etc., and can solve the problems that the strength of the pile body fails to meet the design requirements, hidden dangers of engineering safety, threats to life and property, etc. To achieve the effect of reducing damage to the body and the surrounding environment, avoiding construction costs, and strong penetrating ability

Active Publication Date: 2021-07-09
CHINA THREE GORGES UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] After pouring and condensing forming of piles with expansion agent, if engineering problems such as pile expansion volume, high-pressure grouting volume, and whether there are cracks in piles cannot be accurately detected, the strength of piles will not meet the design requirements. Great potential safety hazards occur during construction or construction and use, posing a great threat to the lives and properties of the people and the country

Method used

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  • Suction drill bit device for suction hole forming in coral sand and construction method
  • Suction drill bit device for suction hole forming in coral sand and construction method
  • Suction drill bit device for suction hole forming in coral sand and construction method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] see Figure 1-7 , a suction drill device for suctioning holes in coral sand, which includes a steerable metal pipe 1 with a smooth outer wall, a suction drill 2 is embedded in the head of the steerable metal pipe 1; the inner wall of the steerable metal pipe 1 is set There is a fixed slot 3, the inner wall of the steerable metal pipe 1, and the upper part of the fixed slot 3 is hinged with a rotatable slot 4, the upper plane of the fixed slot 3 and the lower plane of the rotatable slot 4 are provided with arcs Slide rail; the upper part of the rotatable card slot 4 is connected to the hydraulic telescopic shaft 5; further, the suction drill 2 is formed by embedding a plurality of different functional devices, and the top of the suction drill 2 protrudes as a drill protrusion 6 , the upper and lower planes of the drill bit protrusion 6 are provided with rolling wheels formed by rolling bearings, the upper plane of the drill bit protrusion 6 is a steerable metal pipe 1, a...

Embodiment 2

[0064] The method for constructing by using a suction drill device for suctioning holes in coral sand, comprises the following steps:

[0065] Pile and anchor hole forming technology construction:

[0066] Step 1, measuring and setting out, and preparing the working face: before the hole is formed, the working face must be cleaned first, and the positions of the released piles and anchors should be measured, and the position deviation must not exceed the requirements of the specification and design;

[0067] Step 2, preparation of the hole-forming device: Use a crane to lift the top of the casing vertically, place the bottom of the casing at the bayonet of the operating table, and reduce the diameter of the bayonet of the operating table until the casing is vertically fixed on the operating table. Loosen the machine; use the crane again to lift the suction device and put it vertically into the bottom of the casing along the top of the casing until the hole-forming cone of the ...

Embodiment 3

[0073] Directional detection of deep piles:

[0074] Step 1, detection target: After the pile body is poured and condensed, due to the action of the expansion agent, it is necessary to detect the expansion diameter of the pile body in the expansion section and whether the pile body is cracked;

[0075] Step 2, detection position positioning: locate the position to be detected through the design drawings, plan the hole-forming route of the device according to the bending angle and length of the machine, and convert the hole-forming route into a GPS positioning route;

[0076] Step 3, open the device: start the device, the ultrasonic power element 202, the cutting element 203 and the suction power element 204 in the suction drill bit work, the ultrasonic power element 202 breaks the coral sand particles, and vibrates the coral sand in the dense part to loosen , the cutting element 203 further breaks the large particles of coral sand into small particles, and the suction power el...

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Abstract

The invention provides a suction drill bit device for suction hole forming in coral sand and a construction method. The suction drill bit device comprises a steerable metal pipe with the smooth outer wall, and a suction drill bit is embedded in the head of the steerable metal pipe; a fixed clamping groove is formed in the inner wall of the steerable metal pipe, a rotatable clamping groove is hinged to the position, located on the upper portion of the fixed clamping groove, of the inner wall of the steerable metal pipe, and arc sliding rails are arranged on the upper plane of the fixed clamping groove and the lower plane of the rotatable clamping groove; and the upper portion of the rotatable clamping groove is connected with a hydraulic telescopic shaft. The high construction cost consumed by drilling through a traditional drilling machine is avoided, the construction requirement is met under the condition of the minimum consumption, energy conservation and environmental protection are achieved, and the coral sand hole forming technology is rapid, low in cost and capable of achieving the steering function.

Description

technical field [0001] The invention relates to a suction drill bit device and a construction method for suctioning holes in coral sand, and belongs to the construction field of multifunctional suction holes in coral sand. Background technique [0002] After pouring and condensing forming of piles with expansion agent, if engineering problems such as pile expansion volume, high-pressure grouting volume, and whether there are cracks in piles cannot be accurately detected, the strength of piles will not meet the design requirements. During the process of construction or completion and use, there are great engineering safety hazards, which pose a great threat to the lives and properties of the people and the country. Contents of the invention [0003] Aiming at the above-mentioned problems in the prior art, the present invention provides a suction drill device and a construction method for suctioning holes in coral sand. The present invention uses high-pressure grouting, ultr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B7/00E21B10/00E21B47/12
CPCE21B7/24E21B7/14E21B12/00E21B27/00E21B41/00
Inventor 刘杰王芳张岩曹雨晴陈笑笑陶鑫波华正元陈兰张瀚包顺骆浩李远航何卓文
Owner CHINA THREE GORGES UNIV
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