CN205840781U - A kind of super three axes agitating pile of pebble layer - Google Patents
A kind of super three axes agitating pile of pebble layer Download PDFInfo
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- CN205840781U CN205840781U CN201620849497.9U CN201620849497U CN205840781U CN 205840781 U CN205840781 U CN 205840781U CN 201620849497 U CN201620849497 U CN 201620849497U CN 205840781 U CN205840781 U CN 205840781U
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Abstract
This utility model belongs to building pile foundation engineering construction field, particularly relate to a kind of super three axes agitating pile of pebble layer, including three drilling rods, it is fixed on the drill bit assembly bottom drilling rod and the blade assembly being connected on drilling rod, described drill bit assembly is connected with infinitely variable speeds unit head by drilling rod, described drilling rod is connected to pile frame by bearing support, described drill bit assembly includes the drill collar being connected on drilling rod, the drilling tool being connected on drill collar and hollow boring bit, and described drilling tool is fixed with 34 alloy cutter heads；Described blade assembly is the some groups of blades being connected on drilling rod, and described blade is sheet blade blade.Drill bit assembly of the present utility model, by the rotating torque of drilling rod transmission unit head, creeps in the soil body, and its drilling ability is strong, drill tool wear is little, it is achieved that the three axes agitating pile efficient construction in the firm hard formations such as cobble；And construction technology work progress is pollution-free, place is neatly clean, and noise is little, it is not necessary to recycling mud, is a kind of green construction technique.
Description
Technical field
This utility model belongs to building pile foundation engineering construction field, particularly relates to the super three axle stirrings of a kind of pebble layer
Stake.
Background technology
Triaxial cement mixing pile is initially developed by Cheng Xing Co., Ltd. of Japan, and main purpose is to solve twin shaft cement
Soil mixing pile adjacent studs overlap joint is incomplete, become pile verticality to be relatively difficult to ensure the problems such as card.Shaped steel Soil-cement Wall (SMW engineering method) base
Pit enclosure structure has made the outstanding contribution of nearly 20 years in the application of China's building field.At present in China Shanghai, Jiangsu,
The application of the coastal soft clay area such as Zhejiang, Tianjin is the most commonplace, and is progressively generalized to the areas such as Fujian, Anhui, Hubei.Three axles
Cement mixing pile is suitable for the soil layers such as cohesive soil, silt, sand, gravel soil and saturated loess, but runs into and have cobble etc. hard
During soil layer, pile difficulty, traditional cement mixing method is just not suitable for using at this type of soil layer.For saving foundation pit enclosure cost,
The stagnant water effect giving full play to three axle cement mixing piles is good, and the features such as the construction period is short need to be researched and developed one and be suitable at heavily fortified points such as cobbles
The three axle cement mixing piles (super three axle cement mixing piles) of construction in hard formation, it is ensured that at boulder bed three axle cement mixing pile
Pile quality, to ensure the safety of deep pit construction.
Utility model content
This utility model is in order to overcome existing conventional art equipment pile-forming effect in the firm hard formations such as cobble poor, and sealing is imitated
The problem such as the most undesirable, it is provided that a kind of super three axes agitating pile of pebble layer, drill bit is provided by infinitely variable speeds unit head
Powerful rotating torque, creeps into the soil body, and its drilling ability is strong, drill tool wear is little, it is achieved that three axes agitating pile is at cobble etc. hardy
Efficient construction in Ceng.
The technical solution of the utility model: a kind of super three axes agitating pile of pebble layer, including three drilling rods, is fixed on brill
Drill bit assembly bottom bar and the blade assembly being connected on drilling rod, described drill bit assembly is by drilling rod and infinitely variable speeds unit head
Connecting, described drilling rod is connected to pile frame by bearing support, and described drill bit assembly includes the drill collar being connected on drilling rod, is connected to bore
The drilling tool quickly gone up and hollow boring bit, described drilling tool is fixed with 3-4 alloy cutter head；Described blade assembly is for being connected on drilling rod
Some groups of blades, described blade is sheet blade blade.
Drill bit assembly of the present utility model, by the rotating torque of drilling rod transmission unit head, creeps in the soil body, and it creeps into
Ability is strong, drill tool wear is little, it is achieved that the three axes agitating pile efficient construction in the firm hard formations such as cobble.
Hollow boring bit is used bottom drill bit assembly；By reducing drill bit end cross-sectional, to reduce drill bit end resistance, thus
Strengthen the power of creeping into of drill bit end, improve drilling efficiency.
Drill bit assembly configuration high power unit head, and combine electrodeless variable-speed function, its bore forming speed is fast, efficiency of construction
Can double.
Using white-out zigzag drilling tool, each zigzag drilling tool, according to 3 ~ 4 alloy cutter heads of different welding of size, passes through
Change drill bit and bore tooth pattern, reasonable Arrangement alloy cutter head, to strengthen cutter head intensity, slow down bit wear.
Preferably, some groups of blades are equally spaced in the vertical direction of drilling rod, and often group blade includes that three are connected to
Blade on the same circumference of drilling rod, three blades are equally spaced on the circumferencial direction of drilling rod, the horizontal cloth of one of them blade
Putting and blade is downwardly inclined, one of them blade is upwardly disposed and blade is downwardly inclined, and last blade is arranged and cutter down
Sword is downwardly inclined.
Preferably, described blade is welded on drilling rod, and described drilling tool is welded on hollow boring bit, and described drilling rod leads to drill collar
Cross high-strength bolt to connect.
Preferably, described drilling tool is zigzag drilling tool, and described zigzag drilling tool outer end is inclined upwardly, described alloy cutter head
Quantity is 4, and two of which alloy cutter head is welded on the outer end of zigzag drilling tool.
Preferably, described drilling rod is provided with casing, and three drilling rods are connected to bearing support by casing, and described casing is positioned at
Between set below blade and drill collar.
The casing that is connected by between drilling rod and bracing frame is strengthened, to alleviate the abrasion of drilling rod；Removed by casing simultaneously
It is attached to the cement mortar on drilling rod and drill bit and cohesive soil, decreases the workload of artificial removal, improve efficiency of construction.But also
Slow down drilling rod abrasion in boulder bed, thus reduce the cobble abrasion to drilling rod and the replacement frequency of drilling rod.
The stirring means of the super three axes agitating pile of a kind of pebble layer, comprises the steps:
1) first it is transported to mixing pile need to fix on the pebble layer of construction, hollow boring bit alignment pebble layer；
2) opening infinitely variable speeds unit head, unit head drives drilling rod and drill bit assembly to rotate, and hollow boring bit and zigzag are bored
Tool brill is turned up the soil and is driven drilling rod entirety drill down behind face；
3) hollow boring bit and zigzag drilling tool descending during, zigzag drilling tool can at utmost by cobble evacuate open,
Promote drilling rod drill down；
4), during drilling rod is descending, sheet blade blade sufficiently stirs the cobble in stratum, it is to avoid blade is by cobble card
Live；
5) after hollow boring bit arrives designated depth, stop descending, drill bit and drilling rod are regained from stratum.
Preferably, several length according to drilling rod of organizing of described drilling rod blade are adjusted.
Preferably, described infinitely variable speeds unit head is high power unit head.
Preferably, described zigzag drilling tool is white-out zigzag drilling tool.
Preferably, described drill bit assembly may be used for the boulder bed stratum of a diameter of 20-200mm.
Drill bit assembly of the present utility model may be used for the boulder bed of diameter 20 ~ 200mm, and pile-forming effect is good, stagnant water effect
More satisfactory.
Blade assembly form of the present utility model is spirally changed into sheet blade blade by original, increases between blade
Gap.Sheet blade blade sufficiently can stir the cobble in stratum, it is to avoid what blade was blocked by cobble and cannot construct asks
Topic, and ensure that the pile quality of cement mixing pile.
This utility model construction technology work progress is pollution-free, and place is neatly clean, and noise is little, it is not necessary to recycling mud
Slurry, is a kind of green construction technique.
The beneficial effects of the utility model are: for the Technology design of pebble layer super three axes agitating pile machine drill head, solve
Determined three axes agitating pile in the firm hard formations such as cobble pile difficulty, stagnant water effect difference etc. problem；Three axles can be given full play to stir
The features such as the stagnant water effect mixing stake is good, the construction period is short, increase a kind of feasible technical scheme for foundation pit enclosure design and construction；
For the technological progress of drill bit, effectively reduce the construction loss of drill bit, by improving drilling life of bit, reducing bit change-over
Number of times reaches to improve machinery service efficiency, saves the purpose of foundation pit enclosure cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of drill bit assembly of the present utility model；
Fig. 3 is the structural representation of drill bit assembly in prior art；
Fig. 4 is the structural representation of blade assembly of the present utility model；
Fig. 5 is the structural representation of prior art Leaf assembly
1. hollow boring bit in figure, 2. zigzag drilling tool, 3. alloy cutter head, 4. drill collar, 5. high-strength bolt, 6. protect
Cylinder, 7. bearing support, 8. drilling rod, 9. blade, 10. drill bit assembly.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in further detail, but is not that this utility model is protected model
The restriction enclosed.
As Figure 1-5, a kind of super three axes agitating pile of pebble layer, including three drilling rods 8, it is fixed on bottom drilling rod 8
Drill bit assembly 10 and the blade assembly that is connected on drilling rod 8.Drill bit assembly 10 is by drilling rod 8 with infinitely variable speeds unit head even
Connecing, drilling rod 8 is connected to pile frame by bearing support.Drill bit assembly 10 includes the drill collar 4 being connected on drilling rod 8, is connected on drill collar 4
Drilling tool and hollow boring bit 1.3-4 alloy cutter head 3 it is fixed with on drilling tool.Blade assembly is some groups be connected on drilling rod 8
Blade, blade 9 is sheet blade blade.Some groups of blades are equally spaced in the vertical direction of drilling rod 8, and often group blade includes three
The individual blade 9 being connected on the same circumference of drilling rod 8, three blades 9 are equally spaced on the circumferencial direction of drilling rod 8, Qi Zhongyi
Individual blade is horizontally disposed and blade is downwardly inclined, and one of them blade is upwardly disposed and blade is downwardly inclined, last blade
Arrange down and blade is downwardly inclined.Blade 9 is welded on drilling rod 8, and drilling tool is welded on hollow boring bit 1, drilling rod 8 and drill collar 4
Connected by high-strength bolt 5.Drilling tool is zigzag drilling tool 2, and zigzag drilling tool 2 outer end is inclined upwardly.The quantity of alloy cutter head 3 is
4, two of which alloy cutter head 3 is welded on the outer end of zigzag drilling tool 2.Drilling rod 8 is provided with casing 6, and three drilling rods 8 are by protecting
Cylinder 6 is connected to bearing support 7, and casing 6 is between bottom one group of blade and drill collar 4.
The stirring means of the super three axes agitating pile of a kind of pebble layer, comprises the steps:
1) first it is transported to mixing pile need to fix on the pebble layer of construction, hollow boring bit alignment pebble layer；
2) opening infinitely variable speeds unit head, unit head drives drilling rod and drill bit assembly to rotate, and hollow boring bit and zigzag are bored
Tool brill is turned up the soil and is driven drilling rod entirety drill down behind face；
3) hollow boring bit and zigzag drilling tool descending during, zigzag drilling tool can at utmost by cobble evacuate open,
Promote drilling rod drill down；
4), during drilling rod is descending, sheet blade blade sufficiently stirs the cobble in stratum, it is to avoid blade is by cobble card
Live；
5) after hollow boring bit arrives designated depth, stop descending, drill bit and drilling rod are regained from stratum.
Several length according to drilling rod of organizing of drilling rod blade are adjusted.
Infinitely variable speeds unit head is high power unit head.
Zigzag drilling tool is white-out zigzag drilling tool.
Drill bit assembly may be used for the boulder bed stratum of a diameter of 20-200mm.
This utility model is the Technology design for pebble layer super three axes agitating pile machine drill head, solves three axle stirrings
Stake is the problem such as pile difficulty, stagnant water effect difference in the firm hard formations such as cobble；The sealing effect of three axes agitating pile can be given full play to
The feature such as the best, the construction period is short, increases a kind of feasible technical scheme for foundation pit enclosure design and construction；Skill for drill bit
Art progress, effectively reduces the construction loss of drill bit, and by improving drilling life of bit, minimizing bit change-over number of times reaches to carry
High machinery service efficiency, saves the purpose of foundation pit enclosure cost.
Claims (5)
1. the super three axes agitating pile of pebble layer, including three drilling rods, is fixed on the drill bit assembly bottom drilling rod and connection
Blade assembly on drilling rod, described drill bit assembly is connected with infinitely variable speeds unit head by drilling rod, and described drilling rod is by supporting
Frame is connected to pile frame, it is characterised in that: described drill bit assembly includes the drill collar being connected on drilling rod, the drilling tool being connected on drill collar
And hollow boring bit, described drilling tool is fixed with 3-4 alloy cutter head；Described blade assembly is the some groups of leaves being connected on drilling rod
Sheet, described blade is sheet blade blade.
A kind of super three axes agitating pile of pebble layer the most according to claim 1, it is characterised in that: between some groups of blades etc.
In the vertical direction being arranged in drilling rod, often group blade includes three blades being connected on the same circumference of drilling rod, three blades
Being equally spaced on the circumferencial direction of drilling rod, one of them blade is horizontally disposed and blade is downwardly inclined, one of them blade
Upwardly disposed and blade is downwardly inclined, and last blade is arranged down and blade is downwardly inclined.
A kind of super three axes agitating pile of pebble layer the most according to claim 2, it is characterised in that: described blade is welded on
On drilling rod, described drilling tool is welded on hollow boring bit, and described drilling rod is connected by high-strength bolt with drill collar.
A kind of super three axes agitating pile of pebble layer the most according to claim 1, it is characterised in that: described drilling tool is sawtooth
Shape drilling tool, described zigzag drilling tool outer end is inclined upwardly, and the quantity of described alloy cutter head is 4, and two of which alloy cutter head welds
It is connected on the outer end of zigzag drilling tool.
A kind of super three axes agitating pile of pebble layer the most according to claim 1, it is characterised in that: described drilling rod is provided with
Casing, three drilling rods are connected to bearing support by casing, and described casing is at bottom one group between blade and drill collar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620849497.9U CN205840781U (en) | 2016-08-08 | 2016-08-08 | A kind of super three axes agitating pile of pebble layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620849497.9U CN205840781U (en) | 2016-08-08 | 2016-08-08 | A kind of super three axes agitating pile of pebble layer |
Publications (1)
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| CN205840781U true CN205840781U (en) | 2016-12-28 |
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ID=57617989
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| CN201620849497.9U Active CN205840781U (en) | 2016-08-08 | 2016-08-08 | A kind of super three axes agitating pile of pebble layer |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089084A (en) * | 2016-08-08 | 2016-11-09 | 浙江绩丰岩土技术股份有限公司 | A kind of super three axes agitating pile of pebble layer and stirring means thereof |
| CN107165581A (en) * | 2017-06-09 | 2017-09-15 | 上海建工二建集团有限公司 | A kind of GPS drill bit of drilling machine and GPS rig pile foundation drilling construction method |
| CN111036660A (en) * | 2019-12-31 | 2020-04-21 | 北京高能时代环境技术股份有限公司 | In-situ curing method for heavy metal polluted sandy gravel soil layer |
| CN113530433A (en) * | 2021-07-17 | 2021-10-22 | 无锡市政建设集团有限公司 | Triaxial reducing stirring drill rod |
| CN115075231A (en) * | 2022-08-19 | 2022-09-20 | 中铁三局集团有限公司 | Construction device and construction method for soft soil foundation reinforcement |
-
2016
- 2016-08-08 CN CN201620849497.9U patent/CN205840781U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089084A (en) * | 2016-08-08 | 2016-11-09 | 浙江绩丰岩土技术股份有限公司 | A kind of super three axes agitating pile of pebble layer and stirring means thereof |
| CN107165581A (en) * | 2017-06-09 | 2017-09-15 | 上海建工二建集团有限公司 | A kind of GPS drill bit of drilling machine and GPS rig pile foundation drilling construction method |
| CN111036660A (en) * | 2019-12-31 | 2020-04-21 | 北京高能时代环境技术股份有限公司 | In-situ curing method for heavy metal polluted sandy gravel soil layer |
| CN113530433A (en) * | 2021-07-17 | 2021-10-22 | 无锡市政建设集团有限公司 | Triaxial reducing stirring drill rod |
| CN113530433B (en) * | 2021-07-17 | 2024-02-20 | 无锡市政建设集团有限公司 | Triaxial reducing stirring drill rod |
| CN115075231A (en) * | 2022-08-19 | 2022-09-20 | 中铁三局集团有限公司 | Construction device and construction method for soft soil foundation reinforcement |
| CN115075231B (en) * | 2022-08-19 | 2022-11-29 | 中铁三局集团有限公司 | Construction device and construction method for soft soil foundation reinforcement |
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