CN108868678A - For clearing up the hole cleaning device and method of Punching Borehole Cast-in-place Concrete Pile bottom hole sediment - Google Patents
For clearing up the hole cleaning device and method of Punching Borehole Cast-in-place Concrete Pile bottom hole sediment Download PDFInfo
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- CN108868678A CN108868678A CN201810523024.3A CN201810523024A CN108868678A CN 108868678 A CN108868678 A CN 108868678A CN 201810523024 A CN201810523024 A CN 201810523024A CN 108868678 A CN108868678 A CN 108868678A
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- sediment
- rod body
- main rod
- stirring blade
- bottom hole
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B27/00—Containers for collecting or depositing substances in boreholes or wells, e.g. bailers, baskets or buckets for collecting mud or sand; Drill bits with means for collecting substances, e.g. valve drill bits
- E21B27/005—Collecting means with a strainer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/38—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions wherein the mixing is effected both by the action of a fluid and by directly-acting driven mechanical means, e.g. stirring means ; Producing cellular concrete
Abstract
The invention discloses a kind of for clearing up the hole cleaning device and method of Punching Borehole Cast-in-place Concrete Pile bottom hole sediment.For clearing up the hole cleaning device of Punching Borehole Cast-in-place Concrete Pile bottom hole sediment, including：Main rod body, main rod body is hollow drive shaft, for transmitting torque, and stretches to Punching Borehole Cast-in-place Concrete Pile bottom hole to export pressure-air to Punching Borehole Cast-in-place Concrete Pile bottom hole, pressure-air disturbance mud simultaneously forms turbulent flow in bottom hole, so that bottom hole sediment be dug and be suspended in sediment in mud；Stirring blade is in main rod body lower part, and is radially set in main rod body, rotates in the sediment for stretching to Punching Borehole Cast-in-place Concrete Pile bottom hole and with main rod body to be stirred to sediment, loosens sediment by the shearing force of stirring generation and sediment is made to suspend；Filter structure above stirring blade and is loaded in stirring blade and/or main rod body, for collecting the sediment being suspended in mud；Driving mechanism, for driving main rod body to rotate；Pressure-air generating device, for being passed through pressure-air into main rod body.
Description
Technical field
The present invention relates to Punching Borehole Cast-in-place Concrete Pile borehole cleaning technical fields, particularly, are related to a kind of for clearing up Punching Borehole Cast-in-place Concrete Pile hole
The hole cleaning device of bottom sediment.Moreover, it relates to which a kind of be used to clear up the clear of Punching Borehole Cast-in-place Concrete Pile bottom hole sediment including above-mentioned
The method of the cleaning Punching Borehole Cast-in-place Concrete Pile bottom hole sediment of aperture apparatus.
Background technique
Punching drilling machine can pass through all kinds of bad grounds, have it is at low cost, applied widely, bearing capacity of single pile is big, pile matter
The advantages that having measured is particularly suitable for the pore-forming on solid rock stratum, in urban elevated bridge and subway station enclosed structure etc.
It is widely applied in engineering construction.
In percussion drilling drilling construction, drill bit rushes repeatedly pounds basement rock, and basement rock is made to become aggregate chips and subtle powder, smaller
Aggregate chips and subtle powder be suspended in mud, by mud carrying be easily discharged out of the hole, biggish particle then slowly precipitates, and accumulates in stake holes
Bottom causes to remove difficulty, influences construction speed and pile quality.In addition install steel reinforcement cage, conduit, the processes such as funnel last compared with
Long, the sediment being suspended in mud is deposited in bottom hole again, causes bottom hole sediment before filling concrete exceeded.
It is blocked up and reduce the bearing capacity of stake to retain residue for stake bottom in order to prevent, before pouring underwater concrete, needs clear
Except the remaining clast of bottom hole.Borehole cleaning is an important process in Percussion Piles, it is not only to restrict the key of hole quality, and
The key of work efficiency is improved, the speed of borehole cleaning to saving cost and is increased economic efficiency significant.
Currently used borehole cleaning method includes taking out slurry, changing slurry, draw slag and injection etc., but scarfing cinder efficiency is not high, together
When the mud that generates it is more, later period mud conditioning is at high cost.
Summary of the invention
The present invention provides a kind of for clearing up the hole cleaning device and method of Punching Borehole Cast-in-place Concrete Pile bottom hole sediment, existing to solve
Percussive drilling construction when sediment elimination efficiency it is low, the technical problem more than the discarded slurry of generation.
According to an aspect of the present invention, a kind of for clearing up the hole cleaning device of Punching Borehole Cast-in-place Concrete Pile bottom hole sediment, packet is provided
It includes：Main rod body, main rod body are hollow drive shaft, for transmitting torque, and stretch to Punching Borehole Cast-in-place Concrete Pile bottom hole to fill to punching
It infuses stake holes bottom and exports pressure-air, pressure-air disturbance mud simultaneously forms turbulent flow in bottom hole, to dig and make bottom hole sediment
Sediment is suspended in mud；Stirring blade is in main rod body lower part, and is radially set in main rod body, for stretching to punching
It rotates in the sediment at priming concrete pile hole bottom and with main rod body to be stirred to sediment, sediment is loosened by the shearing force that stirring generates
And sediment is made to suspend；Filter structure above stirring blade and is loaded in stirring blade and/or main rod body, outstanding for collecting
Float on the sediment in mud；Driving mechanism, for driving main rod body to rotate；Pressure-air generating device, for into main rod body
It is passed through pressure-air.
Further, filter structure is using whole string bag structure, between string bag structure and the side wall surface of Punching Borehole Cast-in-place Concrete Pile
Pass through control mechanism there are the gap or string bag structure that pass through for sediment floating and controls contraction or expansion；One string bag knot
Structure is laid close to stirring blade or multiple string bag structures are arranged along the axially spaced-apart of main rod body.
Further, filter structure is used along the circumferentially-spaced multiple string bag units for being arranged in main rod body surrounding of main rod body
Body；String bag cell cube periphery passes through control mechanism with the gap or string bag cell cube passed through for sediment floating and controls receipts
Contracting or expansion.
Further, filter structure includes：Coghill net is surrounded on main rod body surrounding, and is fixed in main rod body and/or stirring
On blade, for barrier and filtering sediment from side；Spacer screen is movably connected on stirring blade, for blocking the bottom of coghill net
End opening simultaneously carries and filters sediment.
Further, the air region shape formed between the wire side shape of spacer screen and adjacent two stirring blade matches, each
A spacer screen is rotatably connected on piece stirring blade, the free end of spacer screen is connected with for controlling spacer screen opening and closing of fault coghill net
The control mechanism of bottom end opening.
Further, the wire side of spacer screen is covered on multi-disc stirring blade and is rotatablely connected with stirring blade, multiple spacer screens
It circumferentially arranges to completely enclose coghill net bottom end opening, the free end of spacer screen is connected with for controlling spacer screen opening and closing of fault cylinder
The control mechanism of net bottom end opening.
Further, multi-disc stirring blade, which is used, is symmetrically distributed in main rod body two sides, along main rod body along main rod body central axes
It is circumferentially-spaced to arrange or along at least one of main rod body axially spaced-apart arrangement arrangement mode.
Further, the plate face of stirring blade is vertically laid or is diagonally laid；Stirring blade is in main rod body
On side wall or stirring blade is in the bottom end of main rod body.
Further, the bottom indention of stirring blade, the sawtooth of adjacent stirring blade miss one another laying；Or it stirs
The bottom for mixing blade is wavy, and the wave crest of adjacent stirring blade misses one another laying.
Further, the pressure-air delivery outlet of main rod body is equipped with aperture and shunts cone, for making high pressure gas from hole
Mouth shunts the gap between cone and main rod body inner wall and escapes, to increase turbulivity when high pressure gas output.
According to another aspect of the present invention, a kind of method for clearing up Punching Borehole Cast-in-place Concrete Pile bottom hole sediment is additionally provided, in use
The hole cleaning device for clearing up Punching Borehole Cast-in-place Concrete Pile bottom hole sediment is stated, is included the following steps：Hole cleaning device is transferred to punching and is perfused
The bottom hole sediment top of stake；The spacer screen of control filter structure is rotated to open the coghill net bottom end opening of filter structure, and it is heavy to reserve
Slag floating channel；Main rod body rotation is driven, and then stirring blade rotation is driven to stir loose sediment；Pressure-air generating device is opened,
Pressure-air is sprayed to bottom hole sediment by main rod body, mud is disturbed using pressure-air and forms turbulent flow in bottom hole, thus will
Sediment is dug and is suspended in mud；Driving main rod body Continued downward motion gos deep into bottom hole；When stirring blade reaches sediment bottom
Or when rotation difficulty, stops motor rotation, terminate stirring action；Filter structure closed cylinder sieve bottom opening is controlled, is used for
Collect sediment；Stopping is passed through pressure-air, and stands, and sediment deposits in filter structure under self gravitation effect；Lifting is clear
Aperture apparatus clears up the sediment in filter structure；Hole cleaning device is transferred again, is repeated the above steps, until bottom hole sediment meets rule
Model requirement.
The invention has the advantages that：
The present invention is used to clear up the hole cleaning device of Punching Borehole Cast-in-place Concrete Pile bottom hole sediment, the structure master using main rod body as device
Body, by main rod body Punching Borehole Cast-in-place Concrete Pile bottom hole surge motion control pressure-air in the output position of Punching Borehole Cast-in-place Concrete Pile bottom hole
And stirring blade is in the hovering mixing position of Punching Borehole Cast-in-place Concrete Pile bottom hole.Main rod body is driven to drive stirring blade by driving mechanism
Stirring stirs porosity bottom sediment to control stirring blade, and bottom hole sediment is made to suspend, the speed entirely stirred without too fast,
Slowly rotation can be realized sediment and be detached from and break up from bottom hole, and low energy consumption, be particularly suitable for having the sediment of larger fragment to clear up；
Pressure-air is passed through into main rod body by pressure-air generating device simultaneously, disturb mud and forms turbulent flow in bottom hole, thus
Sediment is dug and is suspended in mud；Using pressure-air disturbance and the shear action coordinated of stirring blade, so that
Deposit in bottom hole sediment be detached from bottom hole and disperse be suspended in mud；At this point, stopping being passed through pressure-air and stopping paddle
Piece rotation, and control filter structure and constitute string bag state above stirring blade to collect the sediment of suspension, pass through the side of standing
Formula falls within sediment on filter structure, can after cleaning by slinging hole cleaning device and carrying out the cleaning of the sediment in filter structure
Bottom hole sediment cleaning again is carried out to transfer hole cleaning device again, until meeting code requirement.Hole cleaning device structure letter
It is single, shearing force is applied to bottom hole sediment using mechanical system, to loosen and disperse the blocking sediment that deposits, in pressure-air air-flow
Turbulent flow is formed under mechanical stirring double action, so that sediment suspends, and collects the sediment to suspend by string bag form, thus
Realize the quick collection and cleaning of sediment, the cleaning of bottom hole sediment is thoroughly, work efficiency is high, and whole work process directly acts on
Bottom hole influences Punching Borehole Cast-in-place Concrete Pile wall stability small.Entire scale removal process does not generate useless without injecting new mud
Slurry.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention.
Below with reference to figure, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of the hole cleaning device for clearing up Punching Borehole Cast-in-place Concrete Pile bottom hole sediment of the preferred embodiment of the present invention
Figure；
Fig. 2 is the structural schematic diagram of the filter structure of the preferred embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the spacer screen of the preferred embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the pressure-air delivery outlet of the main rod body of the preferred embodiment of the present invention.
Marginal data：
1, main rod body；101, pressure-air delivery outlet；102, aperture shunts cone；103, support frame；2, stirring blade；3,
Filter structure；301, coghill net；302, spacer screen；303, control mechanism；304, overlap joint circle；4, driving mechanism；5, pressure-air is sent out
Generating apparatus.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be limited by following and
The multitude of different ways of covering is implemented.
Fig. 1 is the structural representation of the hole cleaning device for clearing up Punching Borehole Cast-in-place Concrete Pile bottom hole sediment of the preferred embodiment of the present invention
Figure；Fig. 2 is the structural schematic diagram of the filter structure of the preferred embodiment of the present invention；Fig. 3 is the spacer screen of the preferred embodiment of the present invention
Structural schematic diagram；Fig. 4 is the structural schematic diagram of the pressure-air delivery outlet of the main rod body of the preferred embodiment of the present invention.
As shown in Figure 1, the hole cleaning device for being used to clear up Punching Borehole Cast-in-place Concrete Pile bottom hole sediment of the present embodiment, including：Main rod body
1, main rod body 1 is hollow drive shaft, for transmitting torque, and stretches to Punching Borehole Cast-in-place Concrete Pile bottom hole with to Punching Borehole Cast-in-place Concrete Pile bottom hole
Pressure-air is exported, pressure-air disturbance mud simultaneously forms turbulent flow in bottom hole, so that bottom hole sediment be dug and sediment is made to suspend
In mud；Stirring blade 2 is in 1 lower part of main rod body, and is radially set in main rod body 1, for stretching to Punching Borehole Cast-in-place Concrete Pile
It rotates in the sediment of bottom hole and with main rod body 1 the shearing force loosening sediment to be stirred to sediment, generated by stirring and makes
Sediment suspends；Filter structure 3 in 2 top of stirring blade and is loaded in stirring blade 2 and/or main rod body 1, outstanding for collecting
Float on the sediment in mud；Driving mechanism 4, for driving main rod body 1 to rotate；Pressure-air generating device 5 is used for main rod body
Pressure-air is passed through in 1.The present invention is used to clear up the hole cleaning device of Punching Borehole Cast-in-place Concrete Pile bottom hole sediment, using main rod body 1 as dress
The main structure body set, by main rod body 1 Punching Borehole Cast-in-place Concrete Pile bottom hole surge motion control pressure-air in Punching Borehole Cast-in-place Concrete Pile hole
The hovering mixing position of the output position at bottom and stirring blade 2 in Punching Borehole Cast-in-place Concrete Pile bottom hole.Mobile jib is driven by driving mechanism 4
Body 1 drives 2 Stirring of stirring blade, stirs porosity bottom sediment to control stirring blade 2, and bottom hole sediment is made to suspend, and entirely stirs
The speed mixed is without too fast, and slowly rotation can be realized sediment and be detached from and break up from bottom hole, and low energy consumption, be particularly suitable for having compared with
The sediment cleaning of big fragment；Pressure-air is passed through into main rod body 1 by pressure-air generating device 5 simultaneously, disturbance mud is simultaneously
Turbulent flow is formed in bottom hole, so that sediment be dug and be suspended in mud；It is cut using pressure-air disturbance and stirring blade 2
Effect coordinated is cut, so that siltation is detached from bottom hole in the sediment of bottom hole and disperses to be suspended in mud；At this point, stopping being passed through height
Pressure air simultaneously stops the rotation of stirring blade 2, and controls filter structure 3 to constitute string bag state above stirring blade 2 outstanding to collect
Floating sediment falls within sediment on filter structure 3, by slinging hole cleaning device and carrying out filter structure
Sediment cleaning in 3 can transfer hole cleaning device to carry out bottom hole sediment cleaning again, until meeting rule again after cleaning
Model requirement.Hole cleaning device structure is simple, applies shearing force to bottom hole sediment using mechanical system, blocking to loosen and disperse to deposit
Sediment, form turbulent flow under pressure-air air-flow and mechanical stirring double action, so that sediment suspends, and pass through string bag shape
Formula collects the sediment to suspend, to realize the quick collection and cleaning of sediment, the cleaning of bottom hole sediment is thoroughly, work efficiency is high, whole
A course of work directly acts on bottom hole, influences on Punching Borehole Cast-in-place Concrete Pile wall stability small.Entire scale removal process is without injection
New mud, therefore do not generate waste pulp.Optionally, pressure-air generating device 5 uses air bubble, High-Pressure Compressor, height
Compression pump etc..Optionally, driving mechanism 4 is using motor, driven by shaking or other rotation drive devices.
As shown in Figure 1, filter structure 3 is using whole string bag structure in the present embodiment.Structural integrity is good, can adopt
With control is supported and shunk, the sediment of suspension is opened and collected to control string bag structure, or shrink and the sediment of suspension is allowed to cross net
Pocket structural base.Optionally, between string bag structure and the side wall surface in Punching Borehole Cast-in-place Concrete Pile hole there are passing through for sediment floating
Gap.Whole rotating mechanism is constituted using string bag structure, stirring blade 2 and 1 three of main rod body, stirs sediment by rotating
And sediment is made to suspend under action of turbulent flow, when stopping rotating, the sediment of suspension sinks under the effect of gravity and is collected by the string bag,
To facilitate sediment to concentrate cleaning.Optionally, string bag structure is controlled by control mechanism shrinks or is unfolded；One string bag structure leans on
Nearly stirring blade 2 is laid or multiple string bag structures are arranged along the axially spaced-apart of main rod body 1.Paddle is driven using main rod body 1
The stirring sediment of piece 2 exports high pressure draught disturbance mud to bottom hole by main rod body 1 and forms turbulent flow in bottom hole so that its dispersion,
To dig and be suspended in mud by sediment, string bag structure is then unfolded by control mechanism, and stops being passed through pressure-air
With the rotation for stopping stirring blade 2, the sediment of the string bag structure collection deposition whereabouts of expansion is utilized by standing, to reach
The purpose of sludge collection and exclusion.Using single string bag structure, facilitate control, string bag structure is collected into a certain amount of sediment
It hangs out hole cleaning device and clears up the sediment in string bag structure, and carry out bottom hole sediment cleaning work next time.Using along mobile jib
Multiple string bag structures that body 1 is axially laid are formed and are accepted to the multistage of suspension sediment, to improve the exclusion amount and raising of sediment
Borehole cleaning efficiency.
In the present embodiment, filter structure 3 is using along the circumferentially-spaced multiple string bags for being arranged in 1 surrounding of main rod body of main rod body 1
Cell cube.Using the multiple string bag structures being circumferentially arranged along main rod body 1, the collection to the multiple regions of suspension sediment is formed, with
It improves the exclusion amount of sediment and improves borehole cleaning efficiency.Optionally, string bag cell cube periphery, which has, is used for what sediment floating passed through
Gap.Whole rotating mechanism is constituted using string bag structure, stirring blade 2 and 1 three of main rod body, it is heavy to stir by rotating
Slag simultaneously makes sediment float along gap, and when stopping rotating, the sediment of suspension falls within the net in different zones using gravity fall
In pocket structure, to facilitate sediment to concentrate cleaning.Optionally, string bag cell cube is controlled by control mechanism shrinks or is unfolded.Pass through
Stirring blade 2 is driven to stir sediment for main rod body 1 so that its dispersion, disturbs mud to bottom hole output high pressure draught using main rod body 1
And turbulent flow is formed in bottom hole, so that sediment be dug and be suspended in mud, string bag structure is then unfolded by control mechanism, and
Stop being passed through pressure-air and stop the rotation of stirring blade 2, by standing to utilize the string bag structure of expansion to collect under deposition
The sediment fallen, to achieve the purpose that sludge collection and exclusion.
As shown in Figures 2 and 3, in the present embodiment, filter structure 3 includes：Coghill net 301 is surrounded on 1 surrounding of main rod body,
And be fixed on main rod body 1 and/or stirring blade 2, for barrier and filtering sediment from side；Spacer screen 302, is movably connected on and stirs
It mixes on blade 2, for blocking the bottom end opening of coghill net 301 and carrying and filter sediment.Optionally, 301 bottom end of coghill net is also
Equipped with overlap joint circle 304, coghill net 301 and the formation of spacer screen 302 when facilitating 302 whereabouts closed cylinder 301 bottom end opening of net of spacer screen
String bag collected both sediment improves the bearing capacity and structural stability of filter structure 3.Spacer screen 302 uses and is movably linked to stir
Mode on blade 2, when utilization high pressure gas impact opening bottom sediment and the stirring sediment of stirring blade 2 so that when sediment suspends,
Spacer screen 302 can be made to be in upright state to get out of the way the bottom end opening of coghill net 301, the sediment to suspend is passed through
301 bottom opening of coghill net and float upwards, after then putting down spacer screen 302 so that suspend sediment under self gravitation effect
It deposits and enters in the string bag structure that coghill net 301 and spacer screen 302 are constituted, to have the function that collection and exclude sediment.
As shown in Figures 2 and 3, it in the present embodiment, is formed between the wire side shape of spacer screen 302 and adjacent two stirring blade 2
Air region shape match, per a spacer screen 302 is rotatably connected on a piece of stirring blade 2, the free end of spacer screen 302 is connected with
For controlling the control mechanism 303 of 302 opening and closing of fault coghill net of spacer screen, 301 bottom end opening.Optionally, every stirring blade 2
On be rotatably connected to a spacer screen 302, all spacer screens 302 unify opening and closing of fault in the same direction, to facilitate spacer screen 302
Synchronous opening/closing operation.Optionally, with rotation connection on a piece of stirring blade 2 there are two spacer screen 302, two spacer screens 302 respectively to
The two sides of stirring blade 2 are moved to control opening and closing operations, to reduce the blocking probability of 302 pairs of floating sediments of spacer screen, it is heavy to improve
The suspension amount of slag, improves the cleaning efficiency of sediment；Also facilitate 302 open and close control of spacer screen simultaneously.
In the present embodiment, the wire side of spacer screen 302 is covered on multi-disc stirring blade 2 and is rotatablely connected with stirring blade 2, more
A spacer screen 302 is circumferentially arranged to completely enclose 301 bottom end opening of coghill net, and the free end of spacer screen 302 is connected with for controlling bottom
The control mechanism 303 of 302 opening and closing of fault coghill net of net, 301 bottom end opening.It can use stirring blade 2 and carry spacer screen from bottom
302, to improve the bearing capacity of spacer screen 302, further amounts of sediment can be collected and be excluded, accelerates the exclusion speed of sediment, mentions
High borehole cleaning efficiency.
As shown in Figure 1, Figure 2 and Figure 3, in the present embodiment, multi-disc stirring blade 2 is used symmetrically to be divided along 1 central axes of main rod body
It is distributed in 1 two sides of main rod body, along the circumferentially-spaced arrangement of main rod body 1 or along at least one of 1 axially spaced-apart of main rod body arrangement arrangement
Mode.Can diameter according to Punching Borehole Cast-in-place Concrete Pile, depth, adjust the laying mode of stirring blade 2, pine stirred to sediment to improve
Efficiency realizes the efficient cleaning of bottom hole sediment using simple structure.
As shown in Figure 1, Figure 2 and Figure 3, in the present embodiment, the plate face of stirring blade 2 is vertically laid or diagonally cloth
If.Stirring blade 2 is on the side wall of main rod body 1 or stirring blade 2 is in the bottom end of main rod body 1.It can be heavy according to bottom hole
Scoriform state selects the laying mode and installation position of stirring blade 2, to improve the probability for stirring loose sediment and stir loose sediment
Amount, the suspension amount of sediment is improved, to improve the cleaning efficiency of sediment.It is heavy in stirring using the stirring blade 2 of oblique laying
The guide vane to sediment moving direction is formed while slag, so that sediment is dug and suspends, so that the suspension amount of sediment is improved,
Improve borehole cleaning efficiency.
As shown in Figure 1, Figure 2 and Figure 3, in the present embodiment, the bottom indention of stirring blade 2, adjacent stirring blade 2
Sawtooth misses one another laying；Or the bottom of stirring blade 2 is wavy, the wave crest of adjacent stirring blade 2 misses one another laying.
The shape design of adjacent 2 bottom of stirring blade forms complementation each other, can to avoid stirring blade 2 rotation when in bottom hole sediment shape
At fixed groove, the loosening efficiency of sediment is promoted.
As shown in figure 4, the pressure-air delivery outlet 101 of main rod body 1 is equipped with aperture and shunts cone 102 in the present embodiment,
It is escaped for making high pressure gas shunt the gap between cone 102 and 1 inner wall of main rod body from aperture, so that it is defeated to increase high pressure gas
Turbulivity when out.Guiding role when cone 102 forms pressure-air output is shunted using aperture, so that pressure-air is along hole
Mouth shunts cone 102 and forms abducent annular airflow output, and shunts cone 102 and 1 inner wall of main rod body using aperture
Clearance fit between face further increases the output pressure of high pressure gas, so that the pressure-air air-flow of output forms device to hole
The jet impact effect at bottom, can either break up the sediment of siltation agglomeration, and sediment is enabled to export and reflect along pressure-air
Direction persistent movement, to realize the quick suspension of sediment.
The method of the cleaning Punching Borehole Cast-in-place Concrete Pile bottom hole sediment of the present embodiment, using above-mentioned for clearing up Punching Borehole Cast-in-place Concrete Pile bottom hole
The hole cleaning device of sediment, includes the following steps：Hole cleaning device is transferred to the bottom hole sediment top of Punching Borehole Cast-in-place Concrete Pile；Control spacer screen
Rotation opens coghill net bottom end opening, reserves sediment floating channel；It drives main rod body 1 to rotate, and then stirring blade 2 is driven to revolve
Turn to stir loose sediment；Pressure-air generating device 5 is opened, pressure-air is sprayed to bottom hole sediment by main rod body 1, utilizes high pressure sky
Gas disturbance mud simultaneously forms turbulent flow in bottom hole, so that sediment be dug and be suspended in mud；Driving main rod body 1 continues to transport downwards
It is dynamic to go deep into bottom hole；When stirring blade 2 reaches sediment bottom or rotation is difficult, stops motor rotation, terminate stirring action；Control
3 closed cylinder sieve bottom of filter structure opening processed, for collecting sediment；Stopping is passed through pressure-air, and stands, and sediment is at itself
It is deposited in filter structure 3 under gravity；Hole cleaning device is lifted by crane, the sediment in filter structure 3 is cleared up；Decentralization borehole cleaning dress again
It sets, repeats the above steps, until bottom hole sediment meets code requirement.
When implementation, provide a kind of for clearing up the hole cleaning device of Punching Borehole Cast-in-place Concrete Pile bottom hole sediment.It include main rod body 1, it is main
The body of rod 1 is hollow devices, doubles as transmission shaft and ventilation pipe, main rod body 1 connects motor (driving mechanism 4) simultaneously and air compresses
Machine (pressure-air generating device 5).Two groups of different teeth of structure are provided with 1 bottom of main rod body is along the circumferential direction equally spaced
Shape blade assembly (2 component of stirring blade), for going deep into sediment and by rotational agitation sediment.The setting exhaust of 1 bottom of main rod body
Mouth (pressure-air delivery outlet 101), the pressure-air that air compressor (pressure-air generating device 5) generates is via main rod body 1
To foot of hole, high pressure draught disturbance mud forms turbulent flow, so that sediment be dug and be suspended in mud.Stop stirring and
After ventilation, the sediment of suspension starts to sink under the effect of gravity, unclamps the constraint of bottom sector strainer (spacer screen 302) at this time,
Make it under the effect of gravity, naturally droop and blocks mesh cylinder (coghill net 301) bottom.Then, the disintegrating slag of sinking will be by
Strainer (filter structure 3) is collected.The present invention solves the problems, such as that Punching Borehole Cast-in-place Concrete Pile pile bottom sediment is difficult to clean off, and side of the present invention
Method is at low cost, easy to operate, is easy to construct, and is conducive to be widely popularized, and can save manpower, time, improves working efficiency, cleaning
Effect is good, is suitable for cleaning cast-in-situ bored pile pile bottom sediment.
The dentate leaf (stirring blade 2) that can be rotated is set in main rod body 1, can be inserted inside sediment, loosens sediment,
And sediment is stirred by rotation.Adjacent dentate leaf (stirring blade 2) shape is complementary, can be to avoid heavy in bottom hole when blade rotation
Fixed groove is formed in slag.Shape, the depth of tooth, thickness of blade of dentate leaf (stirring blade 2) etc., can be according to stake
Diameter size and formation characteristics are adjusted.Exhaust outlet (pressure-air delivery outlet 101) is arranged in 1 bottom of main rod body, by air pressure
The pressure-air that contracting machine (pressure-air generating device 5) generates enters hollow main rod body 1 through piping, reaches foot of hole,
And escaped by exhaust outlet (pressure-air delivery outlet 101), high pressure draught disturbance mud forms turbulent flow, to dig and hang sediment
Float in mud.1 diameter of main rod body, steel pipe thickness are determined according to hole depth and aperture, it is ensured that it is with certain rigidity and holds
Power is carried, so as to bear the gravity of bottom member and sediment, while being unlikely to when overcoming sediment resistance to rotate because of torque
It is excessive to destroy.Dentate leaf (stirring blade 2) intersects in centre, and through-hole is arranged in intersection, facilitates main rod body 1
It extends there through, and dentate leaf (stirring blade 2) is fixed in main rod body 1.Exhaust outlet (the pressure-air output of main rod body 1
Mouth is 101) compared with several centimeters high (preferably, being higher by 2cm~10cm) at the top of dentate leaf (stirring blade 2), so that it is protected with sediment
Certain distance is held, without by sediment plug-hole.Exhaust outlet (pressure-air delivery outlet 101), bottom are arranged a diameter and are less than mobile jib
The aperture part flow arrangement (aperture shunts cone 102) of 1 internal diameter of body, so that gas shunts cone 102 and 1 inner wall of main rod body from aperture
Gap evolution, increase the turbulivity of gas.Aperture shunts cone 102 and is fixed on mobile jib by cross steel pole (support frame 103)
Inside body 1.Filter structure 3 includes two parts, and a part is peripheral cylindric strainer (coghill net 301), is fixed on dentation leaf
The back side of piece (stirring blade 2) is fixed in main rod body 1 by radial axle, and another part is the strainer for blocking bottom
(spacer screen 302), when stirring sediment, bottom screen (spacer screen 302) reduces its resistance to float to sediment, when right in contraction-like
It after bottom sediment stirs, transfers bottom screen (spacer screen 302), makes it during inactive mud, retain sediment.Spacer screen
Main rod body 1 is run through in 302 bottoms, and is fixed on the back side of dentate leaf (stirring blade 2), can undertake the weight for falling into sediment
Amount.The diameter and length of filter structure 3, size of mesh opening, the size of iron wire used, determines according to actual conditions.Filter structure 3 with
Certain interval must be retained between Punching Borehole Cast-in-place Concrete Pile hole, on the one hand facilitate hole cleaning device disengaging drilling, it is on the other hand convenient heavy
Slag is floated by 3 side of filter structure.Several centimeters of overlap joint circle 304 is arranged at mesh cylinder (coghill net 301), bottom, can be solid
Also it can be made hollow net.Overlap joint circle 304 is fixed on 2 back side of stirring blade, and bottom screen (spacer screen 302) was just pressed in when falling
On overlap joint circle 304, to form complete space in bottom.Bottom screen (spacer screen 302) is fixed on stirring by 80 degree of hinges
2 back side of blade, can be around the axis rotation of 80 degree of hinges.Bottom screen (spacer screen 302) is terminated with traction rope (control machine far from hinge
Structure 303), when firmly tensing traction rope (control mechanism 303), bottom screen (spacer screen 302) is erected, and is opened cylinder sieve bottom and is opened
Mouthful, when traction rope (control mechanism 303) loosens, bottom screen (spacer screen 302) is sagging, and closed cylinder sieve bottom is open.Net
Lattice size is determined according to the density and sediment rubble size of mud.
Sediment is removed, needs to apply a upward power below sediment, moves upwards it.Using vertical positive device to hole
When the high pressure gas or water flow flushing cinder of bottom incidence, if sediment is very tiny and loose, better effects can be reached.And work as sediment
It when rubble is larger or sediment siltation is close, is then difficult to start up, especially bulk rubble face water outlet or when gas outlet, draws
The water flow and air-flow entered possibly even compresses sediment, and on the one hand this patent passes through dentate leaf (stirring blade 2) stirring gram
The starting reactance for taking sediment rubble makes it in fluffy, still further aspect, from exhaust outlet (pressure-air delivery outlet 101) slit
Spouting air-flow forms turbulent flow in hole bottom, so that sediment be dug, is detached from bottom hole.
First hole cleaning device is transferred to pile bottom sediment top, spacer screen rotation is controlled, opens coghill net bottom end opening, it is heavy to reserve
Slag floating channel starts motor (driving mechanism 4), and driving main rod body 1 rotates, and using low speed rotation, and then drives dentation
Blade (stirring blade 2) rotation, stirs loose sediment, air compressor (pressure-air generating device 5) is then turned on, to bottom hole sediment
Pressure-air is sprayed, disturb mud using pressure-air and forms turbulent flow in bottom hole, so that sediment be dug and be suspended in mud
In, this process companion devices deepens continuously, when dentate leaf (stirring blade 2) reaches sediment bottom or rotation more difficulty
When, stop motor (driving mechanism 4) rotation, terminate stirring action, then transfers four pieces of bottom screens (spacer screen 302), make its envelope
Network blocking shape bottom of cylinder.Then stop being passed through pressure-air, stand a period of time, sediment is allowed to precipitate under Gravitative Loads, when heavy
When slag collection reaches constant weight, hole cleaning device is lifted by crane, then empties the sediment in filter structure 3, and transfer hole cleaning device again,
Meet code requirement to bottom hole sediment.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of for clearing up the hole cleaning device of Punching Borehole Cast-in-place Concrete Pile bottom hole sediment, which is characterized in that including：
Main rod body (1), the main rod body (1) is hollow drive shaft, for transmitting torque, and stretches to Punching Borehole Cast-in-place Concrete Pile bottom hole
To export pressure-air to Punching Borehole Cast-in-place Concrete Pile bottom hole, pressure-air disturbance mud simultaneously forms turbulent flow in bottom hole, so that bottom hole be sunk
Slag is dug and is suspended in sediment in mud；
Stirring blade (2) is in the main rod body (1) lower part, and is radially set on the main rod body (1), for stretching to
It rotates in the sediment of Punching Borehole Cast-in-place Concrete Pile bottom hole and with the main rod body (1) to be stirred to sediment, is cut by what stirring generated
Shear force loosens sediment and sediment is made to suspend；
Filter structure (3) above the stirring blade (2) and is loaded on the stirring blade (2) and/or the main rod body
(1) on, for collecting the sediment being suspended in mud；
Driving mechanism (4), for driving the main rod body (1) to rotate；
Pressure-air generating device (5), for being passed through pressure-air into the main rod body (1).
2. according to claim 1 for clearing up the hole cleaning device of Punching Borehole Cast-in-place Concrete Pile bottom hole sediment, which is characterized in that
The filter structure (3) using whole string bag structure, between string bag structure and the side wall surface of Punching Borehole Cast-in-place Concrete Pile there are with
Pass through control mechanism in the gap that sediment floating passes through or string bag structure and controls contraction or expansion；
One string bag structure close to the stirring blade (2) lay or multiple string bag structures along the main rod body (1) axial direction
It is intervally arranged.
3. according to claim 1 for clearing up the hole cleaning device of Punching Borehole Cast-in-place Concrete Pile bottom hole sediment, which is characterized in that
The filter structure (3) is using along the circumferentially-spaced multiple nets for being arranged in the main rod body (1) surrounding of the main rod body (1)
Pocket cell cube；
String bag cell cube periphery passes through control mechanism with the gap or string bag cell cube passed through for sediment floating and controls receipts
Contracting or expansion.
4. according to claim 1 for clearing up the hole cleaning device of Punching Borehole Cast-in-place Concrete Pile bottom hole sediment, which is characterized in that
The filter structure (3) includes：
Coghill net (301) is surrounded on the main rod body (1) surrounding, and is fixed in the main rod body (1) and/or the paddle
On piece (2), for barrier and filtering sediment from side；
Spacer screen (302) is movably connected on the stirring blade (2), for blocking the bottom end opening of the coghill net (301) simultaneously
Carrying and filtering sediment.
5. according to claim 4 for clearing up the hole cleaning device of Punching Borehole Cast-in-place Concrete Pile bottom hole sediment, which is characterized in that
The air region shape formed between the wire side shape of the spacer screen (302) and adjacent two stirring blade (2) matches,
It is rotatably connected to a spacer screen (302) on per a piece of stirring blade (2),
The free end of the spacer screen (302) is connected with for controlling coghill net (301) bottom described in the spacer screen (302) opening and closing of fault
The control mechanism (303) of end opening.
6. according to claim 4 for clearing up the hole cleaning device of Punching Borehole Cast-in-place Concrete Pile bottom hole sediment, which is characterized in that
The wire side of the spacer screen (302), which is covered on stirring blade described in multi-disc (2) and rotates with the stirring blade (2), to be connected
It connects,
Multiple spacer screens (302) are circumferentially arranged to completely enclose the coghill net (301) bottom end opening,
The free end of the spacer screen (302) is connected with for controlling coghill net (301) bottom described in the spacer screen (302) opening and closing of fault
The control mechanism (303) of end opening.
7. it is according to any one of claim 1 to 6 for clearing up the hole cleaning device of Punching Borehole Cast-in-place Concrete Pile bottom hole sediment, it is special
Sign is,
Stirring blade described in multi-disc (2) using along the main rod body (1) central axes be symmetrically distributed in the main rod body (1) two sides,
Along the circumferentially-spaced arrangement of the main rod body (1) or along at least one of the main rod body (1) axially spaced-apart arrangement arrangement mode.
8. it is according to any one of claim 1 to 6 for clearing up the hole cleaning device of Punching Borehole Cast-in-place Concrete Pile bottom hole sediment, it is special
Sign is,
The plate face of the stirring blade (2) is vertically laid or is diagonally laid；
The stirring blade (2) is on the side wall of the main rod body (1) or the stirring blade (2) is in the mobile jib
The bottom end of body (1).
9. it is according to any one of claim 1 to 6 for clearing up the hole cleaning device of Punching Borehole Cast-in-place Concrete Pile bottom hole sediment, it is special
Sign is,
The bottom indention of the stirring blade (2), the sawtooth of the adjacent stirring blade (2) miss one another laying；
Or
The bottom of the stirring blade (2) is wavy, and the wave crest of the adjacent stirring blade (2) misses one another laying.
10. it is according to any one of claim 1 to 6 for clearing up the hole cleaning device of Punching Borehole Cast-in-place Concrete Pile bottom hole sediment,
It is characterized in that,
The pressure-air delivery outlet (101) of the main rod body (1) is equipped with aperture and shunts cone (102), for making high pressure gas
It shunts the gap between cone (102) and the main rod body (1) inner wall from the aperture to escape, to increase high pressure gas output
When turbulivity.
11. a kind of method for clearing up Punching Borehole Cast-in-place Concrete Pile bottom hole sediment, clear using being used for described in any one of claims 1 to 10
Manage the hole cleaning device of Punching Borehole Cast-in-place Concrete Pile bottom hole sediment, which is characterized in that include the following steps：
Hole cleaning device is transferred to the bottom hole sediment top of Punching Borehole Cast-in-place Concrete Pile；
The spacer screen of control filter structure (3) is rotated to open the coghill net bottom end opening of filter structure (3), is reserved sediment and is floated and leads to
Road；
Main rod body (1) rotation is driven, and then stirring blade (2) rotation is driven to stir loose sediment；
It opens pressure-air generating device (5), pressure-air is sprayed to bottom hole sediment by main rod body (1), utilizes pressure-air
Disturbance mud simultaneously forms turbulent flow in bottom hole, so that sediment be dug and be suspended in mud；
Driving main rod body (1) Continued downward motion gos deep into bottom hole；
When stirring blade (2) reach sediment bottom or rotation is difficult, stops motor rotation, terminate stirring action；
Filter structure (3) closed cylinder sieve bottom opening is controlled, for collecting sediment；
Stopping is passed through pressure-air, and stands, sediment deposition in filter structure (3) under self gravitation effect；
Lift by crane hole cleaning device, the sediment in cleaning filter structure (3)；
Hole cleaning device is transferred again, is repeated the above steps, until bottom hole sediment meets code requirement.
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| CN201810523024.3A CN108868678B (en) | 2018-05-28 | 2018-05-28 | Hole cleaning device and method for cleaning sediment at hole bottom of punched cast-in-place pile |
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|---|---|---|---|
| CN201810523024.3A CN108868678B (en) | 2018-05-28 | 2018-05-28 | Hole cleaning device and method for cleaning sediment at hole bottom of punched cast-in-place pile |
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| CN116241201B (en) * | 2023-02-23 | 2023-08-25 | 安徽建筑大学 | Bored concrete pile drilling secondary cleaning device |
| CN116642801A (en) * | 2023-07-26 | 2023-08-25 | 中铁建工集团有限公司 | Bored concrete pile envelope monitoring devices |
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