CN114541378A - Drilling tool device for repairing pile foundation defects and pile foundation defect repairing method - Google Patents
Drilling tool device for repairing pile foundation defects and pile foundation defect repairing method Download PDFInfo
- Publication number
- CN114541378A CN114541378A CN202210030616.8A CN202210030616A CN114541378A CN 114541378 A CN114541378 A CN 114541378A CN 202210030616 A CN202210030616 A CN 202210030616A CN 114541378 A CN114541378 A CN 114541378A
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- pile foundation
- drill bit
- drilling
- pile
- defect
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/64—Repairing piles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/14—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Piles And Underground Anchors (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention relates to a drilling tool device for repairing defects of a pile foundation and a method for repairing defects of the pile foundation, which comprise the following steps: a hollow interior housing; the drilling tool device is arranged in the pile foundation in a telescopic mode, and the drilling tool device is obliquely arranged on the shell and is uniformly distributed on the shell; the telescopic piece is arranged in the shell and can be telescopically adjusted; a driving member installed below the telescopic member; the drill bit is installed below the driving piece, the bottom end of the drill bit extends out of the bottom of the shell, and the driving piece can drive the drill bit to rotate. In the drilling process of drill bit, the length of constantly adjusting the landing leg makes the bottom of casing constantly incline to the defective position department of pile foundation to make the drill bit constantly stretch into the defective position of pile foundation and creep into, form the slip casting region of treating the slip casting on the pile foundation after the breakage, with carry out closely knit ground slip casting to the defective region of pile foundation and fill, with the completion to pile foundation defect prosthetic construction.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a drilling tool device for repairing defects of a pile foundation and a method for repairing the defects of the pile foundation.
Background
The cast-in-situ bored pile is a pile foundation form commonly used in building engineering, and the integrity of a pile body is a comprehensive qualitative index reflecting the relative change of the section size of the pile body of a foundation pile of the building engineering, and the compactness and the continuity of a pile body material. In the construction process of the cast-in-situ bored pile, the integrity of the pile body cannot meet the design and standard requirements due to the problems of hole collapse, hole shrinkage and the like caused by the influence of unfavorable geological conditions such as a fine sand layer, a gravel layer, groundwater runoff and the like or the problem of local mud clamping of the pile body caused by improper control of a concrete pouring process.
In the prior art, a mode for solving the defects of the pile foundation is usually to adopt a pile supplementing mode for reinforcement treatment, namely, prefabricated or cast-in-place piles are additionally arranged at intervals in an area where the piles are already arranged, and reinforcement and supplementation are carried out between the piles, but the mode increases the construction amount and the construction cost, and the construction efficiency is lower.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a drilling tool device for repairing defects of a pile foundation and a method for repairing defects of the pile foundation, so as to solve the problems that the defects of the pile foundation are repaired by adopting a pile repairing mode in the prior art, the construction amount and the construction cost are increased, and the construction efficiency is low.
In order to achieve the above object, the present invention provides a drilling tool device for repairing defects of a pile foundation, comprising:
a hollow interior housing;
the at least two support legs are obliquely arranged on the shell and are uniformly distributed, the support legs can be telescopically adjusted, and the drilling tool device is supported in the pile foundation through the at least two support legs by extending the support legs;
the telescopic piece is arranged in the shell and can be telescopically adjusted;
a driving member mounted below the telescopic member; and
and the drill bit is arranged below the driving piece, and the bottom end of the drill bit extends out of the bottom of the shell, and the driving piece can drive the drill bit to rotate.
The drilling tool device is hung in the acoustic pipe, the drilling tool device is arranged in the pile foundation through at least two supporting legs by adjusting the lengths of the supporting legs, the length of the supporting legs is continuously adjusted in the drilling process of the drill bit, so that the bottom end of the shell is continuously inclined towards the defect position of the pile foundation, the drill bit is continuously extended into the defect position of the pile foundation to drill, a grouting area to be grouted is formed on the pile foundation after the drill bit is broken, and the defect area of the pile foundation is densely grouted and filled, so that the construction for repairing the defects of the pile foundation is completed.
The drilling tool device for repairing the pile foundation defects is further improved by further comprising a miniature camera arranged at the bottom of the shell.
The drilling tool device for repairing the defects of the pile foundation is further improved in that the drilling tool device further comprises a mounting seat arranged in the shell;
the side wall of the shell is provided with at least two through holes, the through holes correspond to the supporting legs one to one, and the top ends of the supporting legs are installed on the installation seat and the bottom ends of the supporting legs extend out of the through holes.
The drilling tool device for repairing the defects of the pile foundation further comprises a roller arranged at the bottom end of the supporting leg.
The drilling tool device for repairing the defects of the pile foundation is further improved in that the telescopic piece is a hydraulic cylinder.
The drilling tool device for repairing the defects of the pile foundation is further improved in that the supporting legs are electric telescopic rods.
The invention also provides a pile foundation defect repairing method, wherein the pile foundation embedded inherent acoustic pipe comprises the following steps:
providing the drilling tool device for repairing the defects of the pile foundation, and hoisting the drilling tool device into the acoustic pipe to enable the drill bit to be close to the defect position of the pile foundation;
actuating the support legs to extend the support legs to support the drilling device in a pile foundation by at least two of the support legs;
starting the driving piece and the telescopic piece, driving the drill bit to rotate through the driving piece, pushing the drill bit to the outside of the shell by extending the telescopic piece so as to break the defect position of the pile foundation, and continuously adjusting the length of the supporting leg so that the bottom end of the shell is continuously inclined towards the defect position of the pile foundation, so that the drill bit continuously extends into the defect position of the pile foundation to carry out drilling construction;
and providing high-pressure pouring equipment, putting a pouring pipe of the high-pressure pouring equipment into the acoustic pipe until the pouring pipe is close to the defect position of the pile foundation, and pouring slurry into the defect position of the pile foundation to fill a grouting area formed after the pile foundation is broken.
The drilling tool device for repairing the pile foundation defects is further improved in that a miniature camera is provided before the drilling tool device is hoisted into the acoustic pipe, and the miniature camera is installed at the bottom of the shell;
and during the drilling process of the drill bit, observing the drilling condition of the drill bit through the miniature camera.
The drilling tool device for repairing the defects of the pile foundation is further improved,
and before the drilling tool device is hoisted into the acoustic pipe, providing an ultrasonic transmission instrument, and detecting the defect position of the pile foundation by using the ultrasonic transmission instrument.
The drilling tool device for repairing the defects of the pile foundation is further improved,
before transferring high pressure filling equipment's filling pipe, provide high-pressure squirt, will high-pressure squirt hangs and puts into in the sounding pipe until the high-pressure squirt is close to the defect position department of pile foundation, utilize the high-pressure squirt erodes the slip casting is regional, in order to clear away the residue in the slip casting region.
Drawings
Fig. 1 is a schematic structural view of a drilling tool device for repairing defects of a pile foundation according to the present invention.
Fig. 2 is a cross-sectional view taken along the line a-a in fig. 1.
Fig. 3 is a state diagram of the drilling tool device for repairing the defect of the pile foundation in the process of hoisting the acoustic pipe.
Fig. 4 is a state diagram of the drilling tool device for repairing the defect of the pile foundation in the defect position of the broken pile foundation.
In the figure: the device comprises a shell 10, a through hole 11, a support leg 20, a roller 21, a telescopic piece 30, a driving piece 40, a drill 50, a miniature camera 60, a mounting seat 70, a sounding pipe 80 and a pile foundation 90.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides a drilling tool device for repairing defects of a pile foundation and a pile foundation defect repairing method, which are used for breaking and constructing the defects of the pile foundation 90 when the drilling tool device extends into the pile foundation 90, and comprise a shell, supporting legs, telescopic parts, a driving part and a drill bit, wherein in the drilling process of the drill bit, the length of the supporting legs is continuously adjusted to enable the bottom end of the shell to be continuously inclined towards the defects of the pile foundation 90, so that the drill bit continuously extends into the defects of the pile foundation 90 to drill, a grouting area to be grouted is formed on the pile foundation 90 after the drill bit is broken, and the defects of the pile foundation 90 are densely grouted and filled, so that the construction for repairing the defects of the pile foundation 90 is completed.
The following describes a drilling tool device for repairing a pile foundation defect and a method for repairing a pile foundation defect according to the present invention with reference to the accompanying drawings.
Referring to fig. 1 and 4, in the present embodiment, a pile defect repairing drilling tool apparatus includes: a hollow-inside case 10; at least two support legs 20 which are obliquely arranged on the shell 10 and are uniformly distributed, wherein the support legs 20 can be telescopically adjusted, and the drilling tool device is supported in the pile foundation 90 through the at least two support legs 20 by extending the support legs 20; a telescopic member 30 installed in the housing 10, the telescopic member 30 being telescopically adjustable; a driving member 40 installed below the telescopic member 30; a drill bit 50 installed below the driving member 40 and having a bottom end extending out of the bottom of the housing 10, wherein the driving member 40 can drive the drill bit 50 to rotate.
In this embodiment, the drilling tool device is placed in the sounding pipe 80 by lifting the drilling tool device, the jacking force is applied to the driving element 40 in the drilling process of the drilling bit 50 through the telescopic piece 30, so that the driving element 40 can push the drilling bit 50, so that the drilling bit 50 can continuously drill forward, the length of the supporting leg 20 is adjusted to support the drilling tool device in the pile foundation 90, and the posture of the casing 10 can be adjusted, in the drilling process of the drilling bit 50, the bottom end of the casing 10 is continuously inclined towards the defect position of the pile foundation 90 by adjusting the length of the supporting leg 20, so that the drilling bit 50 continuously extends into the defect position of the pile foundation 90 to drill, the drilling tool device is utilized to completely break the defect position of the pile foundation 90 to form a grouting area, the grouting area is densely filled with grouting, and the construction for repairing the defect of the pile foundation 90 is completed.
Referring to fig. 1, in one embodiment, the drilling device further includes a micro-camera 60 installed at the bottom of the housing 10, and the drilling of the drill bit 50 is observed through the micro-camera 60.
Referring to fig. 2, further, the drilling device further includes a mounting seat 70 mounted in the housing 10; at least two through holes 11 are formed in the side wall of the casing 10, the through holes 11 correspond to the support legs 20 one by one, the top ends of the support legs 20 are mounted on the mounting base 70, and the bottom ends of the support legs extend out of the corresponding through holes 11.
Referring to fig. 2, preferably, the mounting seat 70 is located above the telescopic member 30, the number of the legs 20 is three, and the number of the through holes 11 is three.
Referring to fig. 2, in one embodiment, the drilling device further comprises rollers 21 mounted to the bottom ends of the legs 20.
Further, the telescopic member 30 is a hydraulic cylinder.
Furthermore, the leg 20 is an electric telescopic rod.
Preferably, the driving member 40 is a motor.
The following describes the operation of the drilling tool device for repairing a pile defect according to the present invention.
The drilling device is hoisted into the sounding pipe 80 so that the drill bit 50 is close to the defective position of the pile foundation 90; actuating the legs 20 to extend the legs 20 to support the drilling device in the pile 90 by means of at least two legs 20; start driving piece 40 and extensible member 30, it rotates to drive drill bit 50 through driving piece 40, advance the defective position with broken pile foundation 90 outside casing 10 with drill bit 50 through extension extensible member 30, the length of constantly adjusting landing leg 20 makes the bottom of casing 10 constantly to the defective position department slope of pile foundation 90 simultaneously, so that drill bit 50 constantly stretches into pile foundation 90's defective position and drills into, specifically, the drill bit drills hole to sounding pipe 80 earlier, drill hole to the concrete of pile foundation 90's defective position after drilling sounding pipe 80 through, through the removal of drill bit 50's vertical direction and horizontal direction with the complete abolishment of defective position of pile foundation 90 formation slip casting region, through filling the regional slip casting that closely knit, in order to accomplish the construction of pile foundation 90 defect repair.
Referring to fig. 3 and 4, the invention further provides a method for repairing defects of a pile foundation, wherein the pile foundation 90 is embedded with the intrinsic sounding pipe 80, and the method comprises the following steps:
providing the drilling tool device for repairing the defects of the pile foundation, and hoisting the drilling tool device into the sounding pipe 80 to enable the drill bit 50 to be close to the defect position of the pile foundation 90;
actuating the legs 20 to extend the legs 20 to support the drilling device in the pile 90 by means of at least two legs 20;
starting the driving part 40 and the telescopic part 30, driving the drill bit 50 to rotate through the driving part 40, pushing the drill bit 50 outwards the shell 10 by extending the telescopic part 30 to break the defect position of the pile foundation 90, and continuously adjusting the length of the supporting leg 20 to enable the bottom end of the shell 10 to be continuously inclined towards the defect position of the pile foundation 90 so that the drill bit 50 continuously extends into the defect position of the pile foundation 90 to carry out drilling construction;
and (3) providing high-pressure filling equipment, putting a filling pipe of the high-pressure filling equipment into the sounding pipe 80 until the filling pipe is close to the defect position of the pile foundation 90, and grouting the defect position of the pile foundation 90 so as to fill a grouting area formed after the pile foundation 90 is broken.
In one embodiment, prior to hoisting the drilling device into the sounding pipe 80, a miniature camera 60 is provided, the miniature camera 60 being mounted at the bottom of the housing 10;
during the drilling of the drill 50, the drilling of the drill 50 is observed by the micro-camera 60.
Further, before the drilling device is suspended in the sounding pipe 80, an ultrasonic transilluminator is provided, by which the defective position of the pile foundation 90 is detected.
Furthermore, before putting down the filling pipe of high pressure filling equipment, provide the high pressure squirt, hang the high pressure squirt and put into sound survey pipe 80 until the high pressure squirt is close to pile foundation 90's defective position department, utilize the high pressure squirt to wash the slip casting region to clear away the residue in the slip casting region.
Claims (10)
1. A drilling tool device for repairing defects of pile foundations, comprising:
a hollow interior housing;
the at least two support legs are obliquely arranged on the shell and are uniformly distributed, the support legs can be telescopically adjusted, and the drilling tool device is supported in the pile foundation through the at least two support legs by extending the support legs;
the telescopic piece is arranged in the shell and can be telescopically adjusted;
a driving member mounted below the telescopic member; and
and the drill bit is arranged below the driving piece, and the bottom end of the drill bit extends out of the bottom of the shell, and the driving piece can drive the drill bit to rotate.
2. The pile defect repair drilling tool device of claim 1, further comprising a miniature camera mounted to the bottom of the housing.
3. The pile defect repair drill device of claim 1, further comprising a mounting seat mounted in the housing;
the side wall of the shell is provided with at least two through holes, the through holes correspond to the supporting legs one to one, and the top ends of the supporting legs are installed on the installation seat and the bottom ends of the supporting legs extend out of the through holes.
4. The pile defect repair drill device of claim 1, further comprising rollers mounted to the bottom ends of the legs.
5. The pile defect repair drill device of claim 1, wherein the telescoping member is a hydraulic cylinder.
6. The pile foundation defect repairing drilling tool device of claim 1, wherein the support leg is an electric telescopic rod.
7. A pile foundation defect repairing method is characterized in that an inherent sounding pipe is embedded in a pile foundation, and the method comprises the following steps:
providing a drilling device for repairing defects of the pile foundation according to claim 1, and hoisting the drilling device into the acoustic pipe to enable the drill bit to be close to the defect position of the pile foundation;
actuating the support legs to extend the support legs to support the drilling device in a pile foundation by at least two of the support legs;
starting the driving piece and the telescopic piece, driving the drill bit to rotate through the driving piece, pushing the drill bit to the outside of the shell by extending the telescopic piece so as to break the defect position of the pile foundation, and continuously adjusting the length of the supporting leg so that the bottom end of the shell is continuously inclined towards the defect position of the pile foundation, so that the drill bit continuously extends into the defect position of the pile foundation to carry out drilling construction;
and providing high-pressure filling equipment, putting a filling pipe of the high-pressure filling equipment into the acoustic detection pipe until the filling pipe is close to the defect position of the pile foundation, and grouting the defect position of the pile foundation to fill a grouting area formed after the pile foundation is broken.
8. The pile foundation defect repair method of claim 7, wherein a micro-camera is provided and mounted to the bottom of the housing prior to hoisting the drilling device into the acoustic pipe;
and during the drilling process of the drill bit, observing the drilling condition of the drill bit through the miniature camera.
9. The pile foundation defect repair method of claim 7,
and before the drilling tool device is hoisted into the acoustic pipe, providing an ultrasonic transmission instrument, and detecting the defect position of the pile foundation by using the ultrasonic transmission instrument.
10. The pile foundation defect repair method of claim 7,
before transferring high pressure filling equipment's filling pipe, provide high-pressure squirt, will high-pressure squirt hangs and puts into in the sounding pipe until the high-pressure squirt is close to the defect position department of pile foundation, utilize the high-pressure squirt erodes the slip casting is regional, in order to clear away the residue in the slip casting region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210030616.8A CN114541378B (en) | 2022-01-12 | 2022-01-12 | Drilling tool device for repairing pile foundation defect and pile foundation defect repairing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210030616.8A CN114541378B (en) | 2022-01-12 | 2022-01-12 | Drilling tool device for repairing pile foundation defect and pile foundation defect repairing method |
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| Publication Number | Publication Date |
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| CN114541378A true CN114541378A (en) | 2022-05-27 |
| CN114541378B CN114541378B (en) | 2023-10-13 |
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| US20190024460A1 (en) * | 2015-08-18 | 2019-01-24 | Shandong University | Anti-collapse jet grouting drill bit with bi-directional rib wings, grouting consolidation system and method |
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| Publication number | Publication date |
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| CN114541378B (en) | 2023-10-13 |
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