CN100385077C - Deep stirring pile stirring head with fixed blade - Google Patents
Deep stirring pile stirring head with fixed blade Download PDFInfo
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- CN100385077C CN100385077C CNB200510110430XA CN200510110430A CN100385077C CN 100385077 C CN100385077 C CN 100385077C CN B200510110430X A CNB200510110430X A CN B200510110430XA CN 200510110430 A CN200510110430 A CN 200510110430A CN 100385077 C CN100385077 C CN 100385077C
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- rotating vane
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Abstract
The present invention relates to a deep stirring pile stirring head with fixed blades in the technical field of a construction machine. The present invention comprises a core pipe, an upper rotating blade, a lower rotating blade, a ferrule, a fixed blade, two fixed flanges, a guniting pipe and soil shifting knife blades, wherein the upper rotating blade and the lower rotating blade are fixed outside the core pipe; the ferrule is sheathed on the core pipe; the fixed blade is fixed on the ferrule; the upper part and the lower part of the fixed blade are respectively welded with a fixed flange; each side of the lower rotating blade is welded with four soil shifting knife blades; the guniting pipe is arranged on the back side surface of the lower rotating blade. The present invention has the advantages of simplicity, reliability, economy, utility and easy fabrication. The stirring head is applied to deep stir and soft clay reinforcement, overcomes the problem of following rotation of stirring and loosing soil body in the stirring process, and fundamentally raises the uniformity of the pile body of a deep layer stirring pile. An obvious effect is obtained by verification of engineering practice.
Description
Technical field
What the present invention relates to is a kind of device of building machinery technical field, specifically is a kind of deep stirring pile stirring head that has fixed blade.
Background technology
The bury deep mixing method is to utilize cement (or lime) as curing compound, adopt a kind of special deep mixer tool, in the ground deep cement (or lime) and bury are forced to mix, the column, wall shape or the bulk that bury are hardened become to have certain intensity add solid.These add solid and have globality, water stability and enough intensity preferably, form composite foundation with natural ground, bear upper load jointly.The deep layer stirring technique formally is applied to engineering practice from nineteen seventies, has been widely used at present in the construction of industry and civilian construction, subway, highway, municipal administration, water conservancy, harbor approach and Offshore Units etc.Stir in the construction in deep layer, adopt deep mixer that cement paste is mixed with bury.The core pipe is arranged on the mixer, and its head has blade.In mixer when rotation, by core tube end mouth spray ejection cement paste, mix with being rotated the soil body that blade stirs pine, forms the cement stabilization body.Stirring-head is the vitals of deep mixer, and it directly influences the pile body uniformity of the deep-mixed pile of cement paste and bury mixing formation, the consolidation effect of decision ground.Stir in the construction in deep layer, distinct issues are that the soil body that stirs pine around the shaft rotates with shaft, cause can not evenly mixing with bury from the cement paste of mouth spray ejection, have influenced mixing quality.
Through existing technical literature retrieval is found, Chinese patent application CN200420014412.2, denomination of invention: whitewashing moldeed depth layer stirring pile stirring head, publication number: CN2680731, open day: 2005.02.23, this patented technology readme is: a kind of whitewashing moldeed depth layer stirring pile stirring head, comprise the core pipe, be fixed on the upper and lower two-layer blade and the shotcrete pipe in the core pipe outside, wherein said shotcrete pipe is arranged on wherein lower leave upper side, is equipped with on the blade of shotcrete pipe both sides and pulls out native muscle; The grout outlet of shotcrete pipe is in the middle part of stirring-head radius of gyration.The utility model can improve the deep-mixed pile pile body uniformity, thereby guarantees the pile body total quality, can be used for Deep Mixing Piles Construction.This patented technology can improve the pile body uniformity of deep-mixed pile to a certain extent, stirs the problem that the body that loosens the soil rotates with shaft but still can not solve in the deep layer whipping process.Can not fundamentally improve the pile body uniformity of agitation pile.
Summary of the invention
The present invention is directed to the deficiencies in the prior art and defective, a kind of deep stirring pile stirring head that has fixed blade is provided, making increases fixed blade in the soil on its stirring-head in the prior art, can effectively solve and stir the problem that the body that loosens the soil rotates with shaft in the deep layer whipping process.
The present invention is achieved by the following technical solutions, the present invention includes: the core pipe, be fixed on the core pipe outside two-layer rotating vane up and down, be enclosed within the cuff on the core pipe, be fixed on fixed blade, two mounting flanges, the shotcrete pipes on the cuff and dial native blades.Put a cuff near rotating vane place, bottom between the upper and lower two-layer rotating vane in the core pipe outside, the cuff diameter is than the big 20-40mm of core pipe.At a pair of fixed blade of cuff outside welding, fixed blade is than pivoting leaf length of a film 20-40mm, and fixed blade grows the part frame on the soil body that is not rotated the blade stirring.Blade-like is made in the lower end of fixed blade, and cutting soil when being convenient to the stirring-head sinking reduces the resistance that runs in the stirring-head sinking process.Fixed blade respectively weld a mounting flange up and down, flange diameter prevents that greater than the cuff diameter cuff from sliding up and down with the core pipe.Every limit is welded four and is dialled native blade on the rotating vane of bottom, improves the effect of loosening the soil.Shotcrete pipe is arranged on the trailing flank (contrary in the rotation direction of stirring vane) of one of them bottom rotating vane, prevents stifled slurry in the whipping process, and the grout outlet of shotcrete pipe is positioned at the middle part of bottom rotating vane.Cuff among the present invention, mounting flange, group native blade are done with wear-resisting tungsten alloy steel, and miscellaneous part is made of common iron.
The present invention is simple and reliable, and is economical and practical, easy to process.Be applied to deep layer and stir the reinforcing bury, overcome the transfer problem of stirring the body that loosens the soil in the whipping process, can fundamentally improve the pile body uniformity of deep-mixed pile.Through the engineering practice checking, obtained significant effect.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is cuff of the present invention and fixed blade vertical view
The specific embodiment
As shown in Figure 1 and Figure 2, the present invention includes: core pipe 1, top rotating vane 2, bottom rotating vane 3, cuff 4, fixed blade 5, two mounting flanges 6, shotcrete pipes 7 and dial native blade 8.
Top rotating vane 2 and bottom rotating vane 3 are fixed on core pipe 1 outside, cuff 4 is enclosed within on the core pipe 1, fixed blade 5 is fixed on the cuff 4, fixed blade 5 respectively weld a mounting flange 6 up and down, every limit is welded four and is dialled native blades 8 on the bottom rotating vane 3.Shotcrete pipe 7 is arranged on the trailing flank of bottom rotating vane 3.
Weld a pair of fixed blade 5 in cuff 4 outsides, fixed blade 5 is than bottom rotating vane 3 long 20-40mm, and blade-like is made in fixed blade 5 bottoms.
Mounting flange 6 diameters are greater than cuff 4 diameters.
Shotcrete pipe 7 is arranged on the trailing flank of one of them bottom rotating vane 3, and the grout outlet of shotcrete pipe 7 is positioned at the middle part of bottom rotating vane 3.
When installation stirring-head of the present invention is constructed on deep mixer, stirring-head is rotated counterclockwise sinking under the traction of motor, rotating vane 2,3 on the stirring-head rotates with stirring-head, bottom rotating vane 3 is opened simultaneously and is sent stock pump by shotcrete pipe 7 ejection cement pastes dialling the auxiliary soil body that stirs down of native blade 8.Fixed blade 5 is owing to separate with core pipe 1 on the stirring-head, and length is longer than pivoting leaf sheet 3, therefore not along with the stirring-head rotation, has stoped the soil body transfer around the fixed blade 5 simultaneously.Fixed blade 5 grows the part frame on the soil body that is not rotated blade 2,3 stirrings, at the pressure lower edge of the top mounting flange 6 straight cuts soil body.Top rotating vane 2 is in rotation sinking process, and mix cement the again slurry and the soil body make cement paste fully mix with the soil body.Stirring-head sinks to projected depth to be stopped, and rotary lifting stirs counterclockwise under the motor traction, continues the ejection cement paste by shotcrete pipe 7 simultaneously.Upper and lower part rotating vane 2,3 mixes cement again and starches and surrounding soil.This moment, fixed blade 5 cutting soil that rises under the pressure of bottom mounting flange 6 was promoted to the face of land until stirring-head, finished the whipping process of an agitation pile.
Claims (7)
1. deep stirring pile stirring head that has fixed blade, comprise: core pipe (1), top rotating vane (2), bottom rotating vane (3), cuff (4), two mounting flanges (6), shotcrete pipe (7) and group native blade (8), it is characterized in that, also comprise: fixed blade (5), top rotating vane (2) and bottom rotating vane (3) are fixed on core pipe (1) outside, cuff (4) is enclosed within on the core pipe (1), fixed blade (5) is fixed on the cuff (4), respectively weld a mounting flange (6) up and down at fixed blade (5), bottom rotating vane (3) is gone up every limit and is welded four groups of native blades (8), and shotcrete pipe (7) is arranged on the trailing flank of bottom rotating vane (3).
2. the deep stirring pile stirring head that has fixed blade according to claim 1 is characterized in that, described fixed blade (5) is fixed on the cuff (4), is meant: at cuff (4) outside welding a pair of fixed blade (5).
3. according to claim 1 or the 2 described deep stirring pile stirring heads that have fixed blade, it is characterized in that, described fixed blade (5), fixed blade (5) is than the long 20-40mm of bottom rotating vane (3).
4. according to claim 1 or the 2 described deep stirring pile stirring heads that have fixed blade, it is characterized in that blade-like is made in fixed blade (5) bottom.
5. according to claim 1 or the 2 described deep stirring pile stirring heads that have fixed blade, it is characterized in that, cuff (4) is enclosed between top rotating vane (2) and the bottom rotating vane (3) and locates near bottom rotating vane (3), and cuff (4) diameter is than the big 20-40mm of core pipe (1).
6. the deep stirring pile stirring head that has fixed blade according to claim 1 is characterized in that, mounting flange (6) diameter is greater than cuff (4) diameter.
7. the deep stirring pile stirring head that has fixed blade according to claim 1 is characterized in that, shotcrete pipe (7) is arranged on the trailing flank of one of them bottom rotating vane (3), and the grout outlet of shotcrete pipe (7) is positioned at the middle part of bottom rotating vane (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510110430XA CN100385077C (en) | 2005-11-17 | 2005-11-17 | Deep stirring pile stirring head with fixed blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510110430XA CN100385077C (en) | 2005-11-17 | 2005-11-17 | Deep stirring pile stirring head with fixed blade |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1773025A CN1773025A (en) | 2006-05-17 |
| CN100385077C true CN100385077C (en) | 2008-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200510110430XA Expired - Fee Related CN100385077C (en) | 2005-11-17 | 2005-11-17 | Deep stirring pile stirring head with fixed blade |
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| Country | Link |
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| CN (1) | CN100385077C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939020B (en) * | 2014-04-30 | 2016-01-06 | 中交天津港湾工程研究院有限公司 | A kind of antiwind drilling bit of deep submerged agitation pile |
| CN113845390A (en) * | 2021-10-30 | 2021-12-28 | 史丹利农业集团股份有限公司 | Modified fulvic acid chelated medium-trace element sustained-release preparation and preparation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05141168A (en) * | 1991-05-20 | 1993-06-08 | Nippon Steel Corp | Auger for soil cement composite pile |
| JPH06128945A (en) * | 1992-10-14 | 1994-05-10 | Nippon Concrete Ind Co Ltd | Subsoil improvement mixing device |
| JPH06128946A (en) * | 1992-10-16 | 1994-05-10 | Nippon Concrete Ind Co Ltd | Subsoil improvement mixing device |
| CN2183383Y (en) * | 1993-12-24 | 1994-11-23 | 江阴市矿山机械厂 | Spray agitation drilling machine |
| CN2215589Y (en) * | 1994-05-24 | 1995-12-20 | 沈学智 | Diameter changeable agitation drill |
| US5645376A (en) * | 1993-09-01 | 1997-07-08 | Taki; Osamu | Soil solidification apparatus with a shear blade of adjustable length and rotation speed for creating a ribbed soil-cement pile |
| CN2680731Y (en) * | 2004-01-05 | 2005-02-23 | 陈南杰 | Guniting type deep layer stirring pile head |
-
2005
- 2005-11-17 CN CNB200510110430XA patent/CN100385077C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05141168A (en) * | 1991-05-20 | 1993-06-08 | Nippon Steel Corp | Auger for soil cement composite pile |
| JPH06128945A (en) * | 1992-10-14 | 1994-05-10 | Nippon Concrete Ind Co Ltd | Subsoil improvement mixing device |
| JPH06128946A (en) * | 1992-10-16 | 1994-05-10 | Nippon Concrete Ind Co Ltd | Subsoil improvement mixing device |
| US5645376A (en) * | 1993-09-01 | 1997-07-08 | Taki; Osamu | Soil solidification apparatus with a shear blade of adjustable length and rotation speed for creating a ribbed soil-cement pile |
| CN2183383Y (en) * | 1993-12-24 | 1994-11-23 | 江阴市矿山机械厂 | Spray agitation drilling machine |
| CN2215589Y (en) * | 1994-05-24 | 1995-12-20 | 沈学智 | Diameter changeable agitation drill |
| CN2680731Y (en) * | 2004-01-05 | 2005-02-23 | 陈南杰 | Guniting type deep layer stirring pile head |
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| Publication number | Publication date |
|---|---|
| CN1773025A (en) | 2006-05-17 |
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Granted publication date: 20080430 Termination date: 20111117 |