CN217327190U - Integrated drill rod detection flushing device - Google Patents
Integrated drill rod detection flushing device Download PDFInfo
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- CN217327190U CN217327190U CN202220329442.0U CN202220329442U CN217327190U CN 217327190 U CN217327190 U CN 217327190U CN 202220329442 U CN202220329442 U CN 202220329442U CN 217327190 U CN217327190 U CN 217327190U
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Abstract
An integrated drill rod detection flushing device is characterized in that the bottom of a drill rod of an inner sleeve facility is provided with an angle drill which is in a conical shape with a wide upper part and a narrow lower part; the outer conduit of the jacket facility is connected with the water injection pipe and the pressurizing device through a three-way pipe, which is not shown in the figure; a certain gap is formed between the drill rod and the guide pipe, and high-pressure water is injected into the gap between the inner sleeve and the outer sleeve by the pressurizing device; the drill rod and the guide pipe are connected in a welding mode, the drill rod is connected in a lengthening mode through threads, and the guide pipe is connected in a lengthening mode through screw threads. The utility model achieves the purposes of simultaneously forming holes around a single pile and a plurality of piles, and causing soil around the piles to absorb water and disperse and crack into fragments and particles; after the pile body soil is separated from the pile, a hole is drilled in the middle proper position below the exposed pile top by a water drill, a high-strength steel pipe with the same hole size and a hoisting machinery steel wire rope are inserted to lift out the old pile, and the problem of disturbance of the structural safety of surrounding buildings in the pile foundation treatment process is solved.
Description
Technical Field
The patent of the utility model relates to a building engineering technology field is an integrative borer is visited bath device.
Background
In recent years, as China has stepped into a high-quality development stage, urban features are continuously improved and upgraded. Projects such as urban construction redevelopment, old urban area transformation and upgrading, subway tunnel construction, underground building envelope engineering and the like are continuously increased, and old pile foundation removal processing construction is more common. At present, in the construction of removing old pile foundations in China, several conventional methods are formed: the method comprises the following steps of pile pulling by a full-slewing drilling machine, flushing pile pulling and large excavation old pile breaking backfilling, and the above common methods have certain defects in the aspects of safety, environment, energy conservation, noise and the like:
(1) the full-rotary drilling machine pile pulling method has the unique effect on the bored cast-in-place pile which is easy to generate uneven pile diameter, but has the advantages of large required working surface of the equipment, high pile pulling cost, lower construction efficiency and higher noise when other types of pile foundations are pulled out, and the equipment can generate hundreds of tons of counter-forces to the ground in the pile pulling process, thereby having great influence on construction safety and quality in complex peripheral environments such as a large number of buildings and structures around, small distance between an old pile and the surrounding buildings, limited site space and the like.
(2) Although the flushing pile pulling method has lower construction cost and higher efficiency, the old pile position is rotten and muddy due to the pollution of a large amount of mud, the hole of the old pile cannot be densely backfilled, and accidents such as water burst, mud burst, ground collapse, settlement of surrounding buildings, cracking and the like easily occur.
(3) The large excavation old pile breaking backfill method requires a large field working face in the treatment process, and the layered excavation old pile exposing old piles are sequentially broken, so that a large amount of construction waste and noise are generated on the site, the quality requirement on the backfill after the old piles are treated is high, the construction period is long, and the construction cost is greatly increased.
The patent of the utility model provides a be fixed in stable integrative borer of pile body and visit bath device and pile pulling method, the above-mentioned prior art weak point has been overcome, an economic efficient solution is provided, especially in the numerous and prosperous district in city, do not have to build in a large number to around in filling the conventional art, the structure, old stake and peripheral building distance is little, among the complicated all ring edge borders such as the space of site is limited, it is secure to have realized existing building structure safety, required working face is little, green civilization, control is simple and easy, economic efficient processing method, the engineering on the existing pile foundation of china is rebuild and is provided good technical support.
SUMMERY OF THE UTILITY MODEL
The utility model provides a bath device is visited to integrative borer, with stake week pore-forming, flushing device, pore-forming stabilizing tool integration on a device, realize at the incessant bath of stake week pore-forming in-process to increase the side direction restraint at the pore-forming in-process, improve the purpose of pore-forming device overall stability.
The utility model provides a technical scheme that its technical problem adopted is:
an integrated drill rod detection flushing device comprises an inner sleeve facility and an outer sleeve facility;
the inner sleeve facility comprises a drill rod 1, an angle drill 2 and a drop hammer amplifying head 3, wherein the drop hammer amplifying head 3 is arranged at the top of the drill rod 1, the angle drill 2 is arranged at the bottom of the drill rod 1, and the angle drill 2 is in a conical shape with a wide upper part and a narrow lower part;
the jacket facility comprises a three-way pipe 4, a water injection pipe 5, a conduit 6, a flushing hole 7 and a pressurizing device; the outer conduit 6 is connected with a water injection pipe 5 and a pressurizing device (not shown in the figure) through a three-way pipe 4;
a certain gap is formed between the drill rod 1 and the guide pipe 6, and high-pressure water is injected between the inner sleeve gap and the outer sleeve gap by a pressurizing device; the drill rod 1 and the guide pipe 6 are connected in a welding mode, the drill rod 1 is connected in a threaded mode in an extending mode, the guide pipe 6 is connected in a threaded mode in an extending mode, and strength and sealing performance are guaranteed.
The utility model discloses still have following additional technical characterstic:
as the utility model discloses technical scheme further specifically optimizes: the pile structure further comprises a pore-forming stabilizing structure 8 fixed on the pile body, wherein the pore-forming stabilizing structure 8 fixed on the pile body comprises a top restraining structure 81 positioned at the top, a bottom restraining structure 83 positioned at the bottom and a lateral restraining structure 82 positioned between the top restraining structure 81 and the bottom restraining structure 83; the top constraint structure 81 and the bottom constraint structure 83 have the same structure and are designed to be rectangular or circular or polygonal with unequal side lengths according to the pile shape; the height of the lateral restraint structure 82 is smaller than that of the original pile foundation.
As the utility model discloses technical scheme further specifically optimizes: the top constraining structure 81 and the bottom constraining structure 83 are correspondingly provided with a plurality of through drill rod fixing holes 84 up and down, and the drill rod fixing holes 84 are used for fixing the drill rod 1.
Compared with the prior art, the utility model, its advantage lies in:
the integrated drill rod detection flushing device has the following advantages:
(1) the integrated drilling detection flushing device is reasonable in structure, and is convenient to carry and use by connecting all parts through welding, threads and screw threads (shown in figure 3).
(2) Pile hole-forming and flushing equipment is integrated on the device to realize uninterrupted flushing in the pile hole-forming process, and in the old pile hole-forming process, soil is dispersed and cracked into fragments and particles by water absorption.
(3) The integrated drill rod detection flushing device is innovative, convenient to obtain materials and low in manufacturing cost; the quantity of required personnel is reduced, the labor efficiency is greatly improved, the construction cost of pile pulling is reduced, and meanwhile, certain promotion effects on green civilization, energy conservation and environmental protection are achieved.
Be fixed in pore-forming stable structure 8 of pile body has following advantage:
(1) the pore-forming stable structure 8 fixed on the pile body can realize standardized and stereotyped processing and manufacturing according to the shape of the original old pile, and has simple structure and low price.
(2) Be fixed in pore-forming stable structure 8 of pile body utilizes former pile foundation to stabilize to inlay and act in soil, and the cover is in order to play stable integrative borer and surveys bath device (see attached 6 in detail) at old pile foundation pile body, so it is still suitable for under the intensive, the very little condition of working face of old pile, and to place unevenness, loose easy sinking of soil property, avoid using all advantages such as support and adaptability stronger.
(3) Be fixed in pore-forming stable structure 8 of pile body and supporting the use with integrative borer spy bath device, with the integrated device of all pore-forming of stake, bath equipment, stabilising arrangement on a device to the realization stabilizes the pore-forming and incessant bath in all pore-forming processes of stake, improves production efficiency greatly.
(4) The single pile and the multiple piles can be simultaneously constructed on the pile foundation treatment site, and the treatment efficiency of the old pile is greatly improved.
The construction method for the old pile foundation by utilizing the integrated drill rod detection flushing device has the following advantages:
(1) the method integrates drill rod detection hole forming, water flushing, hole forming stability and the like, and can simultaneously loosen soil around the same pile and simultaneously process a plurality of piles.
(2) The method overcomes the defects of the traditional technology, and in the complex surrounding environments that a large number of buildings and structures exist around, the distance between the old pile and the surrounding buildings is small, the space of the site is limited and the like in the traditional technology, the existing building structure is guaranteed to be safe, the required working surface is small, the environment is civilized, the control is simple, the economic efficiency is high, and the like.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the inner sleeve facility of the present invention;
FIG. 2 is a schematic view of the components of the jacket facility of the present invention;
FIG. 3 is a schematic view of the integrated drill rod detection flushing device of the present invention;
fig. 4 is a schematic view of a lateral restraint device of the present invention;
FIG. 5 is a schematic view of the present invention, which is a rectangular or circular shape according to the design of the pile type, fixed to the pile body;
FIG. 6 is a schematic view of the lateral restraining device sleeved on the pile body of the old pile foundation of the present invention;
FIG. 7 is a schematic view of the integrated drill rod drilling, flushing and hole forming process for stabilizing old piles;
FIG. 8 is a schematic view of the regular symmetrical hole forming of the pile body of the circular pile of the present invention by using the drilling hole forming stabilizing device;
FIG. 9 is a schematic view of the regular symmetrical hole forming of the square pile body of the present invention by using the drilling hole forming stabilizing device;
fig. 10 is a schematic diagram of the pile body water drill hole of the present invention;
FIG. 11 is a schematic view of the present invention, wherein a high-strength steel pipe (9) and a steel wire rope (10) are inserted into the opening of the pile body;
fig. 12 is a schematic sectional view of the integrated drill rod detection flushing device of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings, in order that the present disclosure may be more completely understood and fully conveyed to those skilled in the art. While the exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure is not limited to the embodiments set forth herein.
An integrated drill rod detection flushing device comprises an inner sleeve facility and an outer sleeve facility.
The inner sleeve facility comprises a drill rod 1, an angle drill 2 and a drop hammer amplifying head 3, wherein the drop hammer amplifying head 3 is arranged at the top of the drill rod 1, the angle drill 2 is arranged at the bottom of the drill rod 1, and the angle drill 2 is in a conical shape with a wide upper part and a narrow lower part.
The jacket facility comprises a three-way pipe 4, a water injection pipe 5, a conduit 6, a flushing hole 7 and a pressurizing device; the outer conduit 6 is connected with a water injection pipe 5 and a pressurizing device (not shown in the figure) through a three-way pipe 4.
A certain gap is formed between the drill rod 1 and the guide pipe 6, and high-pressure water is injected between the inner sleeve gap and the outer sleeve gap by a pressurizing device; the drill rod 1 and the guide pipe 6 are connected in a welding mode, the drill rod 1 is connected in a threaded mode in an extending mode, the guide pipe 6 is connected in a threaded mode in an extending mode, and strength and sealing performance are guaranteed.
As optimization, considering that the integrated drill rod detection flushing device has poor stability when an old pile foundation is long and the integrated drill rod detection flushing device forms a hole, a lateral restraint device (double layers or multiple layers can be manufactured according to the pile length, the schematic diagram is double layers, and the detailed illustration is shown in the attached drawing 4) needs to be designed and added to improve the overall stability in the hole forming process. The hole-forming stabilizing structure 8 fixed on the pile body can be directly fixed on the lateral restraining device of the pile body, so that the pile body can be sleeved with the original pile foundation, and the stabilizing facility is designed to be rectangular or circular according to the shape of the original pile foundation and slightly larger than the original pile foundation (figure 5).
The integrated drilling detection flushing device further comprises a pore-forming stable structure 8 fixed on the pile body, wherein the pore-forming stable structure 8 fixed on the pile body comprises a top restraint structure 81 positioned at the top, a bottom restraint structure 83 positioned at the bottom and a lateral restraint structure 82 positioned between the top restraint structure 81 and the bottom restraint structure 83; the top constraint structure 81 and the bottom constraint structure 83 have the same structure and are designed to be rectangular or circular or polygonal with unequal side lengths according to the pile shape; the height of the lateral restraint structure 82 is smaller than that of the original pile foundation.
Preferably, the top constraining structure 81 and the bottom constraining structure 83 are correspondingly provided with a plurality of through drill rod fixing holes 84 up and down, and the drill rod fixing holes 84 are used for fixing the drill rod 1.
A construction method for an old pile foundation by utilizing an integrated drill rod detection flushing device comprises the following steps: the method comprises the following steps:
step 1: and (4) lofting the accurate point position of the original building pile, and marking the old pile needing to be pulled out.
Step 2: and excavating the earthwork, transporting the earthwork above the working face outwards, and reserving a 100cm pile body.
And step 3: scraping soil around the exposed pile body, and sleeving a fixed lateral restraining device into the pile body with a regular shape (chiseling treatment is required for an irregular pile foundation).
And 4, step 4: adopt the drill rod to visit pore-forming device regular symmetry pore-forming all around at old stake pile body, make all around cohere in the soil and the separation of pile body production of pile body, incessant bath makes the soil around the stake break up and disintegrate with water in the pore-forming in-process.
And 5: and horizontally punching a round hole (the size of the hole is determined according to the size of the pile diameter) at the position of the reserved pile body below 50cm by using a water drill.
Step 6: the hole of the pile body penetrates through the high-strength steel pipe 9 with the same hole size, and a hoisting machinery steel wire rope 10 penetrates through the high-strength steel pipe 9 to achieve two-point balanced hoisting.
And 7: and trial hoisting is carried out by adopting hoisting machinery, so that the old pile is hoisted out after hoisting is ensured and safety is ensured.
And 8: and after the old pile is pulled out, backfilling the underwater part by adopting sand and cement according to geological exploration and on-site reality, and backfilling the pile hole by adopting lime soil above the underground water level.
Step 11: and (6) checking and accepting.
The embodiment of the construction method of the old pile foundation by utilizing the integrated drill rod detection flushing device comprises the following processes: measuring and positioning (determining the position of an old pile) → excavating earthwork to expose the pile body of the original pile foundation → a pile body fixing and hole forming stabilizing facility → pile body hole forming and flushing → pile body water drilling → penetrating hoisting equipment → hoisting → pile hole backfilling → inspection.
The method comprises the following steps that firstly, holes are regularly and symmetrically formed around an old pile body by adopting a drilling detection hole forming device, so that soil adhered to the pile body around is separated from the pile body (shown in the detailed picture of figures 7-9);
step two, continuously flushing water in the hole forming process to enable soil which is not separated from the pile body to be in contact with water around the formed hole, and losing structural connection and strength among soil particles under the influence of water immersion to achieve disintegration and disintegration, so that the bonding effect of pile side soil on the pile foundation is weakened;
step three, a lateral restraining device which does not need a support and can be directly fixed on a pile body is used in the hole forming process, and the overall stability of the hole forming device is improved under the condition that old piles are dense and do not occupy a working surface;
and fourthly, after the pile body soil is separated from the pile, drilling a hole (utilizing the anchoring force of the original pile foundation steel bar and the concrete as shown in the attached figures 10-11) at a proper middle position below the exposed pile top by using water, penetrating a high-strength steel pipe 9 with the same hole size, and penetrating a hoisting machinery steel wire rope 10 into the high-strength steel pipe 9 to hoist the original pile.
An integrated drill rod detection flushing device is characterized in that in the pile foundation treatment process, drill rod detection hole forming devices are adopted to form holes regularly and symmetrically around an old pile body, and uninterrupted flushing is realized in the hole forming process to enable soil around the pile body to be in contact with water, and structural connection and strength among soil particles are lost due to the influence of water immersion, so that collapse and disintegration are achieved, and the bonding effect of the soil on the pile foundation is weakened; in the pore-forming process, a lateral restraint device which does not need a support and can be directly fixed on a pile body is designed, so that the overall stability of the integrated drill rod detection flushing pore-forming device is improved; after the pile body soil is separated from the pile, a hole is drilled in the middle proper position below the exposed pile top by using a water drill (by using the anchoring force of the original pile foundation steel bar and the concrete), and a high-strength steel pipe 9 with the same hole size and a hoisting machine steel wire rope 10 are inserted to lift the old pile out. The method realizes the purposes of ensuring the safety of the existing building structure, having small required working surface, simultaneously loosening the soil around the same pile and simultaneously processing a plurality of piles in complex surrounding environments such as small distance between the old pile and the surrounding building, limited space of the site and the like in a busy section of a city, has simple control, economy and high efficiency, simple device structure and small required site, and provides good technical support for the engineering reconstruction on the existing pile foundation in China.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the above description, in combination with the drawings in the embodiments of the present invention, clearly and completely describes the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the above detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Claims (3)
1. An integrated drill rod detection flushing device is characterized by comprising an inner sleeve facility and an outer sleeve facility;
the inner sleeve facility comprises a drill rod (1), an angle drill (2) and a drop hammer amplifying head (3), wherein the top of the drill rod (1) is the drop hammer amplifying head (3), the bottom of the drill rod (1) is the angle drill (2), and the angle drill (2) is in a conical shape with a wide top and a narrow bottom;
the jacket facility comprises a three-way pipe (4), a water injection pipe (5), a guide pipe (6), a flushing hole (7) and a pressurizing device; the outer conduit (6) is connected with the water injection pipe (5) and the pressurizing device through a three-way pipe (4);
a certain gap is formed between the drill rod (1) and the guide pipe (6) and is used for injecting high-pressure water between the inner sleeve gap and the outer sleeve gap into a pressurizing device; the drill rod (1) is connected with the guide pipe (6) in a welding mode, the drill rod (1) is connected in a lengthening mode through threads, and the guide pipe (6) is connected in a lengthening mode through screw threads.
2. The integrated drill rod detection flushing device according to claim 1, characterized in that: the pile structure comprises a pile body and is characterized by further comprising a pore-forming stable structure (8) fixed on the pile body, wherein the pore-forming stable structure (8) fixed on the pile body comprises a top restraint structure (81) positioned at the top, a bottom restraint structure (83) positioned at the bottom and a lateral restraint structure (82) positioned between the top restraint structure (81) and the bottom restraint structure (83); the top constraint structure (81) and the bottom constraint structure (83) have the same structure, and are designed into a rectangle or a circle or a polygon with unequal side lengths according to a pile shape; the height of the lateral constraint structure (82) is smaller than that of the original pile foundation.
3. The integrated drill rod detection flushing device according to claim 2, characterized in that: the top constraint structure (81) and the bottom constraint structure (83) are correspondingly provided with a plurality of drill rod fixing holes (84) which penetrate through the top constraint structure and the bottom constraint structure, and the drill rod fixing holes (84) are used for fixing the drill rods (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220329442.0U CN217327190U (en) | 2022-02-18 | 2022-02-18 | Integrated drill rod detection flushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220329442.0U CN217327190U (en) | 2022-02-18 | 2022-02-18 | Integrated drill rod detection flushing device |
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| Publication Number | Publication Date |
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| CN217327190U true CN217327190U (en) | 2022-08-30 |
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| CN202220329442.0U Active CN217327190U (en) | 2022-02-18 | 2022-02-18 | Integrated drill rod detection flushing device |
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| CN (1) | CN217327190U (en) |
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- 2022-02-18 CN CN202220329442.0U patent/CN217327190U/en active Active
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