CN204825912U - Defeated material drilling tool of composite pile dual circuit - Google Patents
Defeated material drilling tool of composite pile dual circuit Download PDFInfo
- Publication number
- CN204825912U CN204825912U CN201520619577.0U CN201520619577U CN204825912U CN 204825912 U CN204825912 U CN 204825912U CN 201520619577 U CN201520619577 U CN 201520619577U CN 204825912 U CN204825912 U CN 204825912U
- Authority
- CN
- China
- Prior art keywords
- drilling rod
- pile
- independent
- drill bit
- composite pile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model relates to a defeated material drilling tool of composite pile dual circuit, the drill bit setting is in the bottom of drilling rod, and drill bit and drilling rod rotatable coupling, and cutting blade setting is in the bottom of drilling rod, and is located the top of drill bit, the drilling rod is the hollow tube, and there is independent nozzle its bottom, has independent pipeline in the drilling rod, its bottom and independent nozzle intercommunication, and the top is through independent defeated material pipe and independent reinforced pump station intercommunication, the reinforced pump station of second passes through defeated material pipe of second and the interior hollow part intercommunication of drilling rod. This drilling tool can use on conventional cement mixing method machine, has practiced thrift the stake machine and has reformed transform the cost, realized the one -tenth stake that adds core composite pile, promoted the stirring pile bearing capacity by a wide margin and effectively reduce worker back ground and subside, the multiple suitable soil stabilization material of fluming water mud and concrete or other can be realized to the dual circuit, accomplishes the different intensity composite pile's of multiple type one -tenth stake, extensive applicability, realize peripheral stirring stake and core pile's one shot forming, guaranteed the axiality of core pile and outer skirt piles, simplified construction process.
Description
Technical field
The utility model relates to technical field of building construction, particularly geotechnical engineering basement process mechanized equipment technical field, specifically refers to composite pile dual circuit conveying drilling tool.
Background technology
Cement mixing method, because of the cheap and easy construction of its construction cost, is widely used in Soft Ground and pattern foundation pit supporting structure.But its pile strength is lower, Lack of support, the current domestic cement mixing method insertion prefabricated pile core that adopts solves this problem more, and the bearing capacity of this compound pile and various aspects of performance have all had obvious improvement than single cement mixing method.But be the press-in that meets prefabricated pile core or hammering requirement, the concrete strength of prefabricated pile core requires very high, often cannot give full play to prefabricated pile core pile strength, cause a large amount of wastes of material.And for sinking to prefabricated pile core, after adopting static pressure or hammering, construction is put more energy into core stake, need significantly change stake machine or supporting increase sinking apparatus, cause construction technology loaded down with trivial details, improve construction cost further, and guarantee core stake is sunk to not eccentricly in cement earth pile process also there is no easy solution, pile quality causes anxiety.Part stake machine adopts paddle type mill to be entered by core pile monkey, and noise is very large, is more restricted in the use of the densely populated places of residence such as urban district.
Number of patent application is disclosedly in 200910062925.8 insert in the plant equipment of core stake in agitation pile, it is mounting core stake pile pressing device on light water earth mixing pile machine, and stirring and the construction of single cement mixing method I is completed by simple drill, move hole again and aim at next position, carry out the stirring construction of cement mixing method II, use pile pressing device to be pressed in cement mixing method I by prefabricated concrete core pile simultaneously, complete the pile of multidirectional cement-soil or cement mortar core mixing pile.Although this plant equipment achieves core stake and cement mixing method is mechanically constructed same, add a set of pile pressing device, increased cost; This equipment cannot realize core stake and the same drilling tool of cement mixing method is constructed, and construction technology is loaded down with trivial details; Prefabricated concrete core pile, before press-in cement mixing method, also needs align piles center again, and error is difficult to control.
The Soil-cement device that number of patent application is arranged for the new blade holoaxial disclosed in CN201520128197, when constructing cement-soil peripheral pile, the Soil-cement device that Soil-cement adopts blade holoaxial to arrange, many jet pipes are set in shaft inner chamber, for water spray, dry powder, sand or curing compound, by many jet pipe spray materials during construction, stir pile; Then in peripheral pile, concrete prefabricated inner core stake is squeezed in construction, completes the construction of extra high load bearing capacity stiff composite pile.This device need complete the construction of composite pile with preformed pile fastener driving device common combination, and be difficult to be used on light water earth mixing pile machine, need design supporting piling pile machine, applicability is limited, and cost is higher; Cement-soil peripheral pile and inner core stake cannot realize same device and construct, and are difficult to ensure axiality, and pile-forming effect is not good.
Summary of the invention
For prior art and plant equipment Problems existing, the purpose of this utility model is to provide a kind of composite pile dual circuit conveying drilling tool, can directly use on traditional cements soil mixing pile machine, same drilling tool can stir and the formation of cast-in-situ concrete core stake for cement paste simultaneously, realize composite pile one-shot forming, simplify construction technology, and can according to different soil property situation, select the different reinforcement material of input to realize varying strength composite pile shaping, applicability is extensive.
For achieving the above object, the utility model adopts following technical scheme: composite pile dual circuit conveying drilling tool, comprises drill bit, drilling rod, cutting blade, independent pipeline, the second pipeline and the second reinforced pumping plant; Described drill bit is arranged on the bottom of drilling rod, and drill bit and drilling rod are rotatably connected, and described cutting blade is arranged on the bottom of drilling rod, and is positioned at the top of drill bit; Described drilling rod is circular or square hollow, and have individual nozzle bottom it, be provided with independent pipeline in drilling rod, the bottom of this independent pipeline is communicated with individual nozzle, and top is communicated with independent reinforced pumping plant by independent conveying conduit; Described second reinforced pumping plant is communicated with the hollow parts in drilling rod by the second conveying conduit.
As optimization, described drill bit and drilling rod are rotatably connected by bolt.
As optimization, the outer ledge of described cutting blade is zigzag and the arc page.
Relative to prior art, the utility model tool has the following advantages:
1, composite pile dual circuit conveying drilling tool can directly use on traditional cements soil mixing pile machine, has saved stake machine improvement cost.
2, can realize the pile of cast-in-situ concrete core stake composite pile, compared to traditional cements soil agitation pile, bearing capacity has significantly lifting and effectively reduces the sedimentation of work groundwork, compared to prefabricated concrete core cement earth pile, has saved cost, has reduced construction noise.
3, the stake of cast-in-situ concrete core can be realized and cement mixing method uses same drilling tool to construct, the one-shot forming of peripheral pile and core stake, ensure that the axiality of core stake and peripheral pile, and simplify construction technology, shorten the construction period.
4, according to different soil property situation, the different reinforcement material of input can be selected to carry out varying strength composite pile shaping, meet different reinforcing demand, and in drilling tool, independent pipeline quantity can adjust, to meet various conveying demand, applicability is extensive.
Accompanying drawing explanation
Fig. 1 is the front elevational schematic of composite pile dual circuit conveying drilling tool under drill bit closure state.
Fig. 2 is the front elevational schematic of composite pile dual circuit conveying drilling tool under drill bit open mode.
Fig. 3 is the schematic top plan view of composite pile dual circuit conveying drilling tool.
In figure: 1-drill bit, 2-bolt, 3-individual nozzle, 4-second nozzle, 5-cut blade, 6-drilling rod, 7-independent pipeline, the 8-the second pipeline, 9-independent conveying conduit, 10-independent reinforced pumping plant, the 11-the second conveying conduit, the 12-the second reinforced pumping plant.
Detailed description of the invention
In description of the present utility model, it will be appreciated that, orientation or the position relationship of the instruction such as term " top ", " end ", " interior ", " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Composite pile dual circuit conveying drilling tool, comprises drill bit 1, drilling rod 6, cutting blade 5, independent pipeline 7, second pipeline 8 and the second reinforced pumping plant 12.
Drill bit 1 is arranged on the bottom of drilling rod 6, and drill bit 1 and drilling rod 6 are rotatably connected, during concrete enforcement, drill bit 1 and drilling rod 6 are connected to form by bolt 2 can open type knot that can be undone by a pull, sinking in process for creeping into soil layer, carry drill bit 1 in the process of drilling rod 6 rotate with bolt 2 center upper, thus the drill bit 1 that can automatically open forms second nozzle 4 with drilling rod 6.
Described cutting blade 5 is arranged on the bottom of drilling rod 6, and is positioned at the top of drill bit 1, and the outer ledge cutting blade 5 is zigzag, cuts the bottom that blade is welded in drilling rod for a pair, for stirring the soil body.
Drilling rod 6 is circular or square hollow, there is bottom it individual nozzle 3, independent pipeline 7 is provided with in drilling rod 6, independent pipeline 7 is fixed in drilling rod 6 by welding or other suitable modes, the bottom of this independent pipeline 7 is communicated with individual nozzle 3, and the top of independent pipeline 7 is communicated with independent reinforced pumping plant 10 by independent conveying conduit 9.The cement paste entered in independent pipeline 7 flows to individual nozzle 3 by this conveying conduit 7 and sprays.
Second reinforced pumping plant 12 is communicated with the hollow parts in drilling rod 6 by the second conveying conduit 11.
Composite pile dual circuit conveying drilling tool of the present utility model, can be arranged on traditional cements soil mixing pile machine, provide power, rotate drilling rod 6 by stake machine, drives drill bit 1 and cut blade 5 to be rotated down and to cut earth boring auger and enter, require the degree of depth when being drilled into, the independent reinforced pumping plant 10 of unlatching, cement paste pumps in independent pipeline 7 by independent conveying conduit 9, injects soil layer through individual nozzle 3, promotes drilling rod 6 and drill bit 1, while continuation slip casting and soil stir, until stake top, drilling rod 6 and drill bit 1 creep into downwards again, cement paste and soil layer are stirred again, soil depth is required when being drilled into, cement paste pumps in independent pipeline 7 by independent conveying conduit 9 again, soil layer is injected through individual nozzle 3, proceed to stir again, open the second reinforced pumping plant 12 simultaneously, concrete pumps in the second pipeline 8 by the second conveying conduit 11, promote drilling rod 6 simultaneously, in lifting process, drill bit 1 is automatically opened and is formed second nozzle 4 under deadweight and concrete pumping pressure effect, concrete injects through second nozzle 4 boring that drilling rod 6 lifting process formed, continue to promote drilling rod 6 to stake top, realizing peripheral pile is cement mixing method, core stake is the composite pile pile that stake is strengthened in cast-in-situ concrete.
It is cement mixing method that this drilling tool successfully achieves peripheral pile, and core stake is the pile that the composite pile of stake is strengthened in cast-in-situ concrete, achieves the lifting to traditional cements soil agitation pile bearing capacity, and effectively reduces the sedimentation of work groundwork; This drilling tool can use on light water earth mixing pile machine, enhances the versatility of equipment; Without the need to align piles position again in core stake formation of pile, strictly control axiality, ensure that pile quality; Achieve the stake of cast-in-situ concrete core and cement mixing method uses same drilling tool to construct, the one-shot forming of peripheral pile and core stake, simplifies technique, has saved cost; According to different soil property situation, the different reinforcement material of input can be selected to carry out varying strength composite pile shaping, meet different reinforcing demand, and in drilling tool, independent pipeline quantity can adjust, to meet various conveying demand, applicability is extensive.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (7)
1. composite pile dual circuit conveying drilling tool, is characterized in that: comprise drill bit (1), drilling rod (6), cut blade (5), independent pipeline (7), the second pipeline (8) and second feed in raw material pumping plant (12);
Described drill bit (1) is arranged on the bottom of drilling rod (6), and drill bit (1) and drilling rod (6) are rotatably connected, described cutting blade (5) is arranged on the bottom of drilling rod (6), and is positioned at the top of drill bit (1);
Described drilling rod (6) is circular or square hollow, there is bottom it individual nozzle (3), independent pipeline (7) is provided with in drilling rod (6), the bottom of this independent pipeline (7) is communicated with individual nozzle (3), and top is communicated with independent reinforced pumping plant (10) by independent conveying conduit (9);
Described second reinforced pumping plant (12) is communicated with the hollow parts in drilling rod (6) by the second conveying conduit (11).
2. composite pile dual circuit conveying drilling tool as claimed in claim 1, it is characterized in that: described drill bit (1) and drilling rod (6) are rotatably connected by bolt (2), when described drilling tool upwards promotes, drill bit (1) is when conducting oneself with dignity and open under material pumping pressure, the hollow parts of drilling rod (6) namely defines the second pipeline (8), and the bottom end opening of drilling rod (6) namely defines second nozzle (4).
3. composite pile dual circuit conveying drilling tool as claimed in claim 1, it is characterized in that: described drilling rod (6) is in upwards lifting process, pierce soil layer and can form a certain size the boring matched with drill pipe diameter size, for the injection of core pile material.
4. composite pile dual circuit conveying drilling tool as claimed in claim 1, it is characterized in that: described independent pipeline (7) can be used for carrying cement paste, described second pipeline (8) can be used for delivering concrete, realizing peripheral pile is cement mixing method, and core stake is the composite pile pile that stake is strengthened in cast-in-situ concrete.
5. composite pile dual circuit conveying drilling tool as claimed in claim 1, it is characterized in that: described independent pipeline (7) also can be used for carrying various suitable soil stabilization material, powdery as various in lime, cement etc. or liquid material are used for soil mass consolidation, form the peripheral pile body of varying strength; Described second pipeline (8) also can be used for the various reinforcement cementitious material such as conveying cement paste, forms the core stake of high strength, finally realizes the reinforcement composite pile of various different materials compound action.
6. composite pile dual circuit conveying drilling tool as claimed in claim 1, it is characterized in that: described independent pipeline (7) can according to drill pipe diameter size and conveying demand, multiple independent pipeline (7) is set, and multiple pumping plant that independently feeds in raw material (10) matched is set.
7. composite pile dual circuit conveying drilling tool as claimed in claim 1, is characterized in that: the outer ledge of described cutting blade (5) is zigzag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520619577.0U CN204825912U (en) | 2015-08-17 | 2015-08-17 | Defeated material drilling tool of composite pile dual circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520619577.0U CN204825912U (en) | 2015-08-17 | 2015-08-17 | Defeated material drilling tool of composite pile dual circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204825912U true CN204825912U (en) | 2015-12-02 |
Family
ID=54683528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520619577.0U Active CN204825912U (en) | 2015-08-17 | 2015-08-17 | Defeated material drilling tool of composite pile dual circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204825912U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064367A (en) * | 2015-08-17 | 2015-11-18 | 建设综合勘察研究设计院有限公司 | Double-pipeline conveying drill tool for composite pile |
| CN115234175A (en) * | 2022-09-21 | 2022-10-25 | 山东万创金属科技有限公司 | Ocean oil gas exploitation drilling rod |
-
2015
- 2015-08-17 CN CN201520619577.0U patent/CN204825912U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064367A (en) * | 2015-08-17 | 2015-11-18 | 建设综合勘察研究设计院有限公司 | Double-pipeline conveying drill tool for composite pile |
| CN115234175A (en) * | 2022-09-21 | 2022-10-25 | 山东万创金属科技有限公司 | Ocean oil gas exploitation drilling rod |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105113498A (en) | Method for constructing high-strength core composite piles | |
| CN101812843B (en) | Centre grouted poured post-grouting pile construction methods, and grouter and grout injector used thereby | |
| CN104863131A (en) | Polygonal cement-soil stirring pile and formation method thereof | |
| CN205907679U (en) | Cast -in -place strength core stirring stake | |
| CN104234042A (en) | Concrete pile forming device and construction method thereof | |
| CN103015413A (en) | Construction method of composite pile with implanting-in rigid-body embedded into hard bearing stratum | |
| CN206784372U (en) | Injection forming club-footed pile | |
| CN104141305A (en) | Multi-layer spiral blade self-drilling-type soil anchor rod and constructing method thereof | |
| CN104863132A (en) | Bougainvillea spectabilis willd-shaped cement-soil mixing pile and shaping method thereof | |
| CN102628267A (en) | Casing-less, long-spiral concrete secant pile construction method | |
| CN201395793Y (en) | Long spiral high-pressure spraying mud injecting stirring pile-forming device | |
| CN105442589A (en) | Stiffening core composite pile one-time forming machine | |
| CN105040695A (en) | Anchor rod structure capable of integrally working and construction method | |
| CN203080551U (en) | Vertical building envelope comprising occlusive cast-in-place piles and mixing piles | |
| CN204825912U (en) | Defeated material drilling tool of composite pile dual circuit | |
| CN100386483C (en) | High-performance cement soil continuous wall construction method | |
| CN204875770U (en) | One shot forming strength core composite pile becomes stake machinery | |
| CN107338790A (en) | The compound pile construction method of jet mixing | |
| CN207260138U (en) | High-pressure rotary-spray stirs the drilling rod of bearing pile and has its device | |
| KR101031447B1 (en) | Protrusion forming machine for ground boring | |
| CN112281828A (en) | Novel composite pile structure and construction method | |
| CN111005365A (en) | Drilling tool for pressure grouting of cement soil static pressure pipe pile and construction method | |
| CN105064367A (en) | Double-pipeline conveying drill tool for composite pile | |
| CN202194127U (en) | Reducing high-pressure jet-grouting rigid pile | |
| CN100363562C (en) | Preventing plate with spreading and deep layer rotating spraying mixture head with diffusion preventing plate and guniting mouth |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |