CN110306545A - A kind of uniaxial stirring drill bit that multidirectional stirring can be achieved - Google Patents
A kind of uniaxial stirring drill bit that multidirectional stirring can be achieved Download PDFInfo
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- CN110306545A CN110306545A CN201910681331.9A CN201910681331A CN110306545A CN 110306545 A CN110306545 A CN 110306545A CN 201910681331 A CN201910681331 A CN 201910681331A CN 110306545 A CN110306545 A CN 110306545A
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- Prior art keywords
- drilling rod
- blade
- drill bit
- stirring
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- 238000003756 stirring Methods 0.000 title claims abstract description 164
- 238000005553 drilling Methods 0.000 claims abstract description 80
- 238000007789 sealing Methods 0.000 claims abstract description 32
- 238000003466 welding Methods 0.000 claims abstract description 21
- 239000012530 fluid Substances 0.000 claims abstract description 20
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 8
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000002689 soil Substances 0.000 abstract description 25
- 239000002002 slurry Substances 0.000 abstract description 12
- 238000010276 construction Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 11
- 239000004568 cement Substances 0.000 description 10
- 238000002156 mixing Methods 0.000 description 10
- 238000012360 testing method Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000003213 activating effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 208000009146 rhinoscleroma Diseases 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
- E21B10/43—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
- E21B10/61—Drill bits characterised by conduits or nozzles for drilling fluids characterised by the nozzle structure
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Structural Engineering (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses a kind of uniaxial stirring drill bits that multidirectional stirring can be achieved, belong to pile foundation construction apparatus field, including level-one master stirs blade, second level master stirs blade, stirs blade again, stir drilling rod again, driving gear, driven gear, drilling rod, bores tooth, connecting bracket, No. 1 spout, No. 2 spouts, drill bit, fluid passage, sealing ring, bearings；The drilling rod is internally provided with two fluid passages, and drilling rod stirs blade with drill bit, level-one master, second level master stirs blade and is attached by welding；It is connected between the driving gear and drilling rod of drill bit side using bearing, driving gear and drilling rod far from drill bit side driven gear and stir drilling rod again and pass through welded connecting by being welded to connect；No. 1 spout and No. 2 spouts are arranged at level-one master and stir blade and drilling rod junctions.Invention achieves the soil bodys by the purpose of comprehensive stirring, and the slurries that make that can be more efficient are filled into surrounding soil, and reduce and return slurry amount.
Description
Technical field
The invention belongs to pile foundation construction apparatus fields, and in particular to bore to a kind of uniaxial stirring that multidirectional stirring can be achieved
Head.
Background technique
Weak soil refers to that strand, lakes and marhshes, valley floor, the natural moisture content of river shoal deposition is high, void ratio is big, compressibility is high, shearing resistance
The low fine grained soil of intensity.Weak soil will be inevitably passed through during more and more highways, railway construction, port construction
Ground base command is a kind of common Improving Measurements by the intensity that cement mixing method enhances ground.
Cement-soil mixing pile is using cement as curing agent, by special Mixing Machine and pump for mortar transmission, on ground
Base depths mixes weak soil and curing agent action of forced stirring, anti-using a series of physical chemistry generated between curing agent and weak soil
It answers, makes weak soil scleroma at globality, water stability and the composite foundation of base bearing capacity higher.There is core pipe on blender,
Its head has blade.When blender rotates, cement slurry is sprayed by core pipe end mouth spray, with the soil for being stirred pine by rotating vane
Body is stirred, and forms cement stabilization body.Stirring-head is the important component of deep mixer, it directly affects cement slurry and weak soil
The pile body uniformity for the deep-mixed pile being mixed to form, determines the consolidation effect of ground.
Currently, mixing pile, under the conditions of existing equipment, there are the following problems in construction: (1) to the bad adaptability on stratum, than
If coastal region is there are more soft or hard staggeredly stratum, compared with hard formation, construction efficiency is low, at high cost；Compared with soft formation, particularly with
Highly plastic clay, bonding drill bit phenomenon it is serious, pile quality not can guarantee at all, especially in weak soil there are burning into sand layer,
Irony glued layer, orphan (block) Shi Rongyi fall brill or drilling is difficult.(2) ejection medium (cement slurry either flour) and soil layer
Stirring is uneven, and design requirement is not achieved, influences pile strength.(3) equipment damage is serious, and deep-mixing pile driver is in dense sand stratum
To the abrasion of drill bit than more serious when middle drilling.
The intensity for improving soft soil areas with cement mixing method, provides necessary foundation capability for engineering construction
Have great importance.Therefore, to existing mixing pile drill bit carry out Curve guide impeller fundamentally be it is very necessary, be otherwise bound to
It will limit the applicability of cement mixing method technique.Based on this, the invention proposes a kind of single shafts that multidirectional stirring can be achieved to stir
Mix drill bit.
Summary of the invention
For the above-mentioned technical problems in the prior art, the invention proposes a kind of single shafts that multidirectional stirring can be achieved
Drill bit is stirred, the deficiencies in the prior art are overcome.By the way that blade in whipping process is effectively reduced in set interface activating agent spout
Resistance guarantee the mixing of cement mixed weight and cement slurry and soil by the way that the position stirred drilling rod again and optimize spout is arranged
Uniformity.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of uniaxial stirring drill bit that multidirectional stirring can be achieved, it is characterised in that: stir blade including level-one master, second level master stirs leaf
Piece stirs blade again, stirs drilling rod again, driving gear, driven gear, drilling rod, bore tooth, connecting bracket, No. 1 spout, No. 2 spouts, bore
Head, fluid passage, sealing ring, bearing；The drilling rod is the hollow cylindrical body of rod, and drilling rod is internally provided with two fluid passages,
Drilling rod stirs blade with drill bit, level-one master, second level master stirs blade and is attached by welding；The connecting bracket and drilling rod pass through weldering
Connect in succession, the connecting bracket with stir drilling rod again and connect by bearing；It is adopted between the driving gear and drilling rod of drill bit side
It is connected with bearing, driving gear and drilling rod far from drill bit side driven gear and stir drilling rod again and pass through weldering by being welded to connect
It connects in succession；The level-one master stirs blade and is attached with brill tooth by welding；The driving gear and driven gear pass through gear
Between be engaged and be driven, it is described to stir drilling rod again and be attached with driven gear by welding；The drilling rod that stirs again is hollow circuit cylinder
The shape body of rod, stir again drilling rod with stir again blade by welding be attached, No. 1 spout and No. 2 notch settings are stirred in level-one master
Blade and drilling rod junctions.
Preferably, No. 1 spout and No. 2 spouts are arranged at level-one master and stir blade rear position, No. 1 spout and No. 2
Spout is pyramidal structure, wherein diameter range is 10-20mm at No. 1 spout minimum, and No. 1 spout sprays resistance-lowering material；No. 2
Diameter range is 20-30mm at spout minimum, and No. 2 spouts spray curing agent.
Preferably, No. 1 spout and No. 2 spouts are connected by sealing ring with fluid passage, sealing ring outer ring and drilling rod
Between be attached using welding, sealing ring inner ring and fluid passage are in close contact, and are installed seal gasket between the two, are made to seal
Ring forms a toroidal cavity.
Preferably, the material of the sealing ring be steel, sealing ring with a thickness of 5-10cm, sealing ring and fluid passage phase
Hole is arranged in the position of friendship, and the diameter of hole is 3-8cm.
Preferably, the driving gear be high hardness alloy material, driving gear be truncated cone-shaped structure, driving gear compared with
Big one end diameter range is 200-300mm, and the interval between two driving gears is 150-200mm.
Preferably, the driven gear be high hardness alloy material, driven gear be truncated cone-shaped structure, driven gear compared with
Big one end diameter range is 145-195mm.
Preferably, the level-one master stirs blade and second level master stirs the distance between blade range as 500-800mm.
Preferably, the length range for stirring blade again is 200-300mm.
Preferably, the length for stirring drilling rod again is that level-one master stirs blade and second level master stirs the 2/3-5/6 of length of blade.
Advantageous effects brought by the present invention:
(1) the stirring drill bit is provided with two layers of master and stirs blade and stir blade again, stirs blade cuts by level-one master, stirs the soil body
Later, continue lower brill, then second level master stirs blade and drives high speed rotation by drilling rod, further stirs the soil body after stirring
It mixes, meanwhile, blade is stirred again, the soil body is vertically stirred, keep soil shear failure more uniform；(2) existed by the way that blade setting will be stirred again
Level-one master stirs blade and second level master stirs between blade, can eliminate the convered structure on drilling rod, reduces to embrace in going down process and bores phenomenon
Generation；(3) by set interface activating agent channel, and by notch setting in the front of level-one stirring blade, it is ensured that living
Property agent acted directly on during sprinkling on stirring blade, significantly reduce stirring resistance；(4) by by the notch setting of slurries
In second level, master stirs bucket rear, and the slurries that make that can be more efficient are filled into surrounding soil, and reduce and return slurry amount.
Detailed description of the invention
Fig. 1 is the overall structure front view for the uniaxial stirring drill bit that multidirectional stirring can be achieved in the present invention.
Fig. 2 is the overall structure sectional view for the uniaxial stirring drill bit that multidirectional stirring can be achieved in the present invention.
Fig. 3 is the uniaxial stirring drill bit middle gear binding site cross-sectional view of the structure that multidirectional stirring can be achieved in the present invention.
Wherein, 1- level-one master stirs blade；2- second level master stirs blade；3- stirs blade again；4- stirs drilling rod again；5- driving gear；
6- driven gear；7- drilling rod；8- bores tooth；9- connecting bracket；10-1 spout；11-2 spout；12- drill bit；13- liquid is logical
Road；14- sealing ring；15- bearing.
Specific embodiment
With reference to the accompanying drawing and specific embodiment invention is further described in detail:
Embodiment 1:
Model Pile stirring test is carried out in miscellaneous fill place, pile depth is set as 5m, is constructed using Deep Mixing Method, is arranged
A, two groups of tests of B, 3 test specimens of every group of setting, wherein A group is experimental group, selects the stirring drill bit introduced in the present invention；B group is
Control group, using the stirring drill bit that market is general, particular technique is as follows:
As shown in Fig. 1 ~ 3, a kind of uniaxial stirring drill bit that multidirectional stirring can be achieved, it is characterised in that: master stirs blade including level-one
1, second level master stirs blade 2, stirs blade 3 again, stir drilling rod 4 again, driving gear 5, driven gear 6, drilling rod 7, bore tooth 8, connecting bracket
9,10, No. 2 spouts 11, drill bit 12, fluid passage 13, sealing ring 14, bearings 15 of No. 1 spout；The drilling rod 7 is hollow cylindrical
The body of rod, drilling rod 7 are internally provided with two fluid passages 13, drilling rod 7 with drill bit 12, level-one master stir blade 1, second level master stirs blade 2
It is attached by welding；The connecting bracket 9 with drilling rod 7 by being welded to connect, lead to drilling rod 4 is stirred again by the connecting bracket 9
Cross the connection of bearing 15；It is connected between the driving gear 5 and drilling rod 7 of 12 side of drill bit using bearing 15, far from drill bit 12 1
The driving gear 5 of side and drilling rod 7 driven gear 6 and stir drilling rod 4 again and pass through welded connecting by being welded to connect；The level-one master
It stirs blade 1 and is attached with brill tooth 8 by welding；The driving gear 5 is passed with driven gear 6 by being engaged between gear
Dynamic, drilling rod 4 and the driven gear 6 of stirring again is attached by welding；The drilling rod 4 that stirs again is the hollow cylindrical body of rod, multiple
It stirs drilling rod 4 and stirs blade 3 again and be attached by welding, No. 1 spout 10 and No. 2 spout 11, which is arranged, stirs blade in level-one master
1 and 7 junction of drilling rod.
Preferably, No. 1 spout 10 and No. 2 spout 11 is arranged at level-one master and stirs 1 rear position of blade, No. 1 spout
10 and No. 2 spouts 11 are pyramidal structure, wherein diameter is 15mm, No. 1 injection drop resistance material of spout 10 at No. 1 10 minimum of spout
Material；Diameter is 25mm at No. 2 11 minimums of spout, and No. 2 spouts 11 spray curing agent.
Preferably, No. 1 spout 10 and No. 2 spout 11 is connected by sealing ring 14 with fluid passage 13, sealing ring 14
It is attached between outer ring and drilling rod 7 using welding, 14 inner ring of sealing ring and fluid passage 13 are in close contact, and are installed between the two
Seal gasket makes sealing ring 14 form a toroidal cavity.
Preferably, the material of the sealing ring 14 is steel, and sealing ring 14 leads to a thickness of 8cm, sealing ring 14 and liquid
Hole is arranged in the position that road 13 intersects, and the diameter of hole is 7cm.
Preferably, the driving gear 5 is high hardness alloy material, and driving gear 5 is truncated cone-shaped structure, driving gear 5
Larger one end diameter be 250mm, between two driving gears 5 between be divided into 200mm.
Preferably, the driven gear 6 is high hardness alloy material, and driven gear is truncated cone-shaped structure, driven gear 6
Larger one end diameter is 195mm.
Preferably, the level-one master stirs blade 1 and second level master stirs the distance between blade 2 range as 800mm.
Preferably, the length range for stirring blade 3 again is 250mm.
Preferably, the length for stirring drilling rod 4 again is that level-one master stirs blade 1 and second level master stirs the 2/3 of 2 length of blade.
The construction technology construction for stirring two sprays using two, in work progress: being averaged for A group returns slurry amount is B group 40%, at
After stake 28d, excavates and checks pile quality, the results showed that, the pile quality of A group test specimen is better than B group, illustrates drill bit of the invention
More effectively.
Embodiment 2:
It is tested using the present invention in certain engineering, detailed process is as follows:
As shown in Fig. 1 ~ 3, a kind of uniaxial stirring drill bit that multidirectional stirring can be achieved, it is characterised in that: master stirs blade including level-one
1, second level master stirs blade 2, stirs blade 3 again, stir drilling rod 4 again, driving gear 5, driven gear 6, drilling rod 7, bore tooth 8, connecting bracket
9,10, No. 2 spouts 11, drill bit 12, fluid passage 13, sealing ring 14, bearings 15 of No. 1 spout；The drilling rod 7 is hollow cylindrical
The body of rod, drilling rod 7 are internally provided with two fluid passages 13, drilling rod 7 with drill bit 12, level-one master stir blade 1, second level master stirs blade 2
It is attached by welding；The connecting bracket 9 with drilling rod 7 by being welded to connect, lead to drilling rod 4 is stirred again by the connecting bracket 9
Cross the connection of bearing 15；It is connected between the driving gear 5 and drilling rod 7 of 12 side of drill bit using bearing 15, far from drill bit 12 1
The driving gear 5 of side and drilling rod 7 driven gear 6 and stir drilling rod 4 again and pass through welded connecting by being welded to connect；The level-one master
It stirs blade 1 and is attached with brill tooth 8 by welding；The driving gear 5 is passed with driven gear 6 by being engaged between gear
Dynamic, drilling rod 4 and the driven gear 6 of stirring again is attached by welding；The drilling rod 4 that stirs again is the hollow cylindrical body of rod, multiple
It stirs drilling rod 4 and stirs blade 3 again and be attached by welding, No. 1 spout 10 and No. 2 spout 11, which is arranged, stirs blade in level-one master
1 and 7 junction of drilling rod.
Preferably, No. 1 spout 10 and No. 2 spout 11 is arranged at level-one master and stirs 1 rear position of blade, No. 1 spout
10 and No. 2 spouts 11 are pyramidal structure, wherein diameter is 10mm, No. 1 injection drop resistance material of spout 10 at No. 1 10 minimum of spout
Material；Diameter is 20mm at No. 2 11 minimums of spout, and No. 2 spouts 11 spray curing agent.
Preferably, No. 1 spout 10 and No. 2 spout 11 is connected by sealing ring 14 with fluid passage 13, sealing ring 14
It is attached between outer ring and drilling rod 7 using welding, 14 inner ring of sealing ring and fluid passage 13 are in close contact, and are installed between the two
Seal gasket makes sealing ring 14 form a toroidal cavity.
Preferably, the material of the sealing ring 14 is steel, and sealing ring 14 leads to a thickness of 7cm, sealing ring 14 and liquid
Hole is arranged in the position that road 13 intersects, and the diameter of hole is 4cm.
Preferably, the driving gear 5 is high hardness alloy material, and driving gear 5 is truncated cone-shaped structure, driving gear 5
Larger one end diameter be 300mm, the interval between two driving gears 5 is 200mm.
Preferably, the driven gear 6 is high hardness alloy material, and driven gear is truncated cone-shaped structure, driven gear 6
Larger one end diameter range is 195mm.
Preferably, the level-one master stirs blade 1 and second level master stirs the distance between blade 2 range as 800mm.
Preferably, the length range for stirring blade 3 again is 300mm.
Preferably, the length for stirring drilling rod 4 again is that level-one master stirs blade 1 and second level master stirs the 5/6 of 2 length of blade.
The present invention can be achieved the uniaxial of multidirectional stirring and stir drill bit, and stirring drill bit is provided with two layers of master and stirs blade and stirs again
Blade after stirring blade cuts by level-one master, stir the soil body, continues lower brill, and then second level master stirs blade and driven by drilling rod
And high speed rotation, the soil body after stirring is futher stirred, meanwhile, blade is stirred again, the soil body is vertically stirred, stir the soil body
It mixes more uniform；Reduce the generation embraced in going down process and bore phenomenon；Can be more efficient so that slurries is filled into surrounding soil, and drop
It is low to return slurry amount.
Certainly, the above description is not a limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the technical staff in domain is made within the essential scope of the present invention also belong to guarantor of the invention
Protect range.
Claims (9)
1. a kind of uniaxial stirring drill bit that multidirectional stirring can be achieved, it is characterised in that: stir blade including level-one master, second level master stirs leaf
Piece stirs blade again, stirs drilling rod again, driving gear, driven gear, drilling rod, bore tooth, connecting bracket, No. 1 spout, No. 2 spouts, bore
Head, fluid passage, sealing ring, bearing；The drilling rod is the hollow cylindrical body of rod, and drilling rod is internally provided with two fluid passages,
Drilling rod stirs blade with drill bit, level-one master, second level master stirs blade and is attached by welding；The connecting bracket and drilling rod pass through weldering
Connect in succession, the connecting bracket with stir drilling rod again and connect by bearing；It is adopted between the driving gear and drilling rod of drill bit side
It is connected with bearing, driving gear and drilling rod far from drill bit side driven gear and stir drilling rod again and pass through weldering by being welded to connect
It connects in succession；The level-one master stirs blade and is attached with brill tooth by welding；The driving gear and driven gear pass through gear
Between be engaged and be driven, it is described to stir drilling rod again and be attached with driven gear by welding；The drilling rod that stirs again is hollow circuit cylinder
The shape body of rod, stir again drilling rod with stir again blade by welding be attached, No. 1 spout and No. 2 notch settings are stirred in level-one master
Blade and drilling rod junctions.
2. a kind of uniaxial stirring drill bit that multidirectional stirring can be achieved according to claim 1, which is characterized in that described No. 1
Spout and No. 2 spouts are arranged at level-one master and stir blade rear position, and No. 1 spout and No. 2 spouts are pyramidal structure, wherein
Diameter range is 10-20mm at No. 1 spout minimum, and No. 1 spout sprays resistance-lowering material；Diameter range is 20- at No. 2 spout minimums
30mm, No. 2 spouts spray curing agent.
3. a kind of uniaxial stirring drill bit that multidirectional stirring can be achieved according to claim 1, which is characterized in that described No. 1
Spout and No. 2 spouts are connected by sealing ring with fluid passage, are attached between sealing ring outer ring and drilling rod using welding, close
Seal ring inner ring and fluid passage are in close contact, and install seal gasket between the two, and sealing ring is made to form a toroidal cavity.
4. a kind of uniaxial stirring drill bit that multidirectional stirring can be achieved according to claim 1, which is characterized in that the sealing
The material of ring is steel, sealing ring with a thickness of 5-10cm, position that sealing ring intersects with fluid passage setting hole, hole
Diameter is 3-8cm.
5. a kind of uniaxial stirring drill bit that multidirectional stirring can be achieved according to claim 1, which is characterized in that the active
Gear is high hardness alloy material, and driving gear is truncated cone-shaped structure, and larger one end diameter range of driving gear is 200-
300mm, the interval between two driving gears are 150-200mm.
6. a kind of uniaxial stirring drill bit that multidirectional stirring can be achieved according to claim 1, which is characterized in that described driven
Gear is high hardness alloy material, and driven gear is truncated cone-shaped structure, and larger one end diameter range of driven gear is 145-
195mm。
7. a kind of uniaxial stirring drill bit that multidirectional stirring can be achieved according to claim 1, which is characterized in that the level-one
Master stirs blade and second level master stirs the distance between blade range as 500-800mm.
8. a kind of uniaxial stirring drill bit that multidirectional stirring can be achieved according to claim 1, which is characterized in that described to stir again
The length range of blade is 200-300mm.
9. a kind of uniaxial stirring drill bit that multidirectional stirring can be achieved according to claim 1, which is characterized in that described to stir again
The length of drilling rod is that level-one master stirs blade and second level master stirs the 2/3-5/6 of length of blade.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910681331.9A CN110306545A (en) | 2019-07-26 | 2019-07-26 | A kind of uniaxial stirring drill bit that multidirectional stirring can be achieved |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910681331.9A CN110306545A (en) | 2019-07-26 | 2019-07-26 | A kind of uniaxial stirring drill bit that multidirectional stirring can be achieved |
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| CN110306545A true CN110306545A (en) | 2019-10-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021135156A1 (en) * | 2019-12-29 | 2021-07-08 | 北京中岩大地科技股份有限公司 | Construction apparatus for deep stirring by using curing material and construction method therefor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0533341A (en) * | 1991-07-29 | 1993-02-09 | Tenotsukusu:Kk | Auger for boring for soil cement composite pile |
| CN207974762U (en) * | 2018-03-14 | 2018-10-16 | 朱登佩 | One kind rely on oneself commutation bi-directional cement soil mixing pile drilling tool |
| CN110029664A (en) * | 2019-05-10 | 2019-07-19 | 北京中岩大地科技股份有限公司 | It is a kind of to stir drill bit with the single shaft for eliminating soil body cementation |
| CN210315522U (en) * | 2019-07-26 | 2020-04-14 | 北京中岩大地科技股份有限公司 | Can realize unipolar stirring drill bit of multidirectional stirring |
-
2019
- 2019-07-26 CN CN201910681331.9A patent/CN110306545A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0533341A (en) * | 1991-07-29 | 1993-02-09 | Tenotsukusu:Kk | Auger for boring for soil cement composite pile |
| CN207974762U (en) * | 2018-03-14 | 2018-10-16 | 朱登佩 | One kind rely on oneself commutation bi-directional cement soil mixing pile drilling tool |
| CN110029664A (en) * | 2019-05-10 | 2019-07-19 | 北京中岩大地科技股份有限公司 | It is a kind of to stir drill bit with the single shaft for eliminating soil body cementation |
| CN210315522U (en) * | 2019-07-26 | 2020-04-14 | 北京中岩大地科技股份有限公司 | Can realize unipolar stirring drill bit of multidirectional stirring |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021135156A1 (en) * | 2019-12-29 | 2021-07-08 | 北京中岩大地科技股份有限公司 | Construction apparatus for deep stirring by using curing material and construction method therefor |
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Application publication date: 20191008 |