CN205858186U - A kind of three axle blender drill bits being applicable under Complicated Geologic Condition - Google Patents
A kind of three axle blender drill bits being applicable under Complicated Geologic Condition Download PDFInfo
- Publication number
- CN205858186U CN205858186U CN201620605144.4U CN201620605144U CN205858186U CN 205858186 U CN205858186 U CN 205858186U CN 201620605144 U CN201620605144 U CN 201620605144U CN 205858186 U CN205858186 U CN 205858186U
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- China
- Prior art keywords
- blade
- drill bit
- drilling rod
- petal type
- layer
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- Expired - Fee Related
Links
- 238000005553 drilling Methods 0.000 claims abstract description 37
- 238000009827 uniform distribution Methods 0.000 claims abstract description 8
- 239000002689 soil Substances 0.000 abstract description 11
- 230000007423 decrease Effects 0.000 abstract description 4
- 241001074085 Scophthalmus aquosus Species 0.000 abstract description 3
- 239000011083 cement mortar Substances 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000004568 cement Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
A kind of three axle blender drill bits being applicable under Complicated Geologic Condition, it includes a drilling rod and a bit head, and this bit head has the main drill bit end of a front end being arranged on drilling rod, and it is a bullet-type drill bit and is arranged with tapered blade；The one leaf formula drill bit blade row being arranged on this rear, main drill bit end, is made up of multi-disc blade, and blade is around the radially uniform distribution of axis of drilling rod；Each blade of described leaf formula drill bit blade row is provided with at least one secondary drill bit；Being provided with multi-layer flower flap-type blade layer on the drilling rod at this bit head rear, form petal type blade drilling rod, each petal type blade layer includes multiple petal type blade.This utility model, for the hard of shale layer and smooth property, uses the tapered drill bit of compound bullet hair style, improves lower brill efficiency and wearability, uses petal type blade drilling rod to decrease resistance in gravel layer, improves running speed.Meanwhile, it is capable to be more sufficiently stirred for cement mortar and soil, improve pile body homogeneity.
Description
Technical field
This utility model relates to a kind of three axle blender drill bit and drilling rods being applied to building engineering field, it is adaptable to complicated
The construction of three axes agitating pile under geological condition.
Background technology
Cement mixing method is a kind of effective form of basement process, utilizes special multiple-rotor mixer to creep into cutting on the spot
The soil body, injects the soil body in drill bit end by cement grout simultaneously, after being thoroughly mixed, takes weight between each unit in charge of construction
Folded lapping construction, is formed and has some strength and rigidity, continuous whole, jointless diaphram wall body, and this body of wall can
Gear soil and water sealing structure as underground excavation foundation ditch.
Traditional cement mixing method be only applicable to process mud and the muck soil of normal consolidation, silt, saturated loess,
Plain fill, cohesive soil and without grounds such as underground water saturation loosening sands.When run into hardness compared with big, geological conditions is complex
Gravel layer, weathered rock formation time, owing to the structure of existing multiple-rotor mixer drill bit exists limitation, cause creeping into the cutting soil body
Process slowly, the problem such as shortcoming the occurs bit wear such as cement consumption additionally increases, bit damage is serious is serious, even
It is difficult to drilling construction.Therefore, it is necessary to invent a kind of three axle blender drill bits being applicable under Complicated Geologic Condition.
Utility model content
This utility model is a kind of three axle blender drill bits being applicable under Complicated Geologic Condition, in order to solve drill bit multiple
Serious wear in the case of miscellaneous geology (gravel layer, weathered rock formation), the problem creeping into difficulty.It comprises:
One drilling rod；
One bit head, it comprises:
The one main drill bit end being arranged on this drilling rod front end；
One group of leaf formula drill bit blade row, this group leaf formula drill bit blade row is arranged on the rear of this main drill bit end, by multi-disc blade
Composition, blade is around the radially uniform distribution of axis of drilling rod；Each blade of described leaf formula drill bit blade row is provided with secondary drill bit；
It is provided with multi-layer flower flap-type blade layer on the drilling rod at this bit head rear, forms petal type blade drilling rod, Mei Yihua
Flap-type blade layer includes multiple petal type blade.
This utility model, for the hard of shale layer and smooth property, uses the tapered drill bit of compound bullet hair style, improves
Time bore efficiency and wearability so that rig is obviously improved in the rock speed that enters of firm hard formation, be conducive to improving pile quality.Pin
To gravel layer laxity and the big characteristic of mud stone resistance into, helical blade drilling rod is changed petal type blade drilling rod.Petal type blade bores
Bar decreases resistance in gravel layer, improves running speed.More it is sufficiently stirred for the cement mortar in gravel layer and soil simultaneously, carries
High pile body homogeneity.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of three axle blender drill bits being applicable under Complicated Geologic Condition of this utility model.
Fig. 2 is the bit head signal of a kind of three axle blender drill bits being applicable under Complicated Geologic Condition of this utility model
Figure.
Fig. 3 is the secondary drill bit signal of a kind of three axle blender drill bits being applicable under Complicated Geologic Condition of this utility model
Figure.
Fig. 4 is that the three drilling rods cooperations of a kind of three axle blender drill bit being applicable under Complicated Geologic Condition of this utility model make
Schematic diagram.
Detailed description of the invention
Hereinafter coordinate accompanying drawing and preferred embodiment of the present utility model, this utility model is expanded on further predetermined real for reaching
The technological means taked by novel purpose.
As it is shown in figure 1, be a tool of a kind of three axle blender drill bits being applicable under Complicated Geologic Condition of this utility model
Body embodiment, it comprises a bit head 1, a drilling rod 2.
As shown in Figure 2 and Figure 3, this bit head 1 comprises a main drill bit end 11 and one group of leaf formula drill bit blade row 12.This is main
Drill bit end 11 is arranged on the front end of drilling rod 2, it is preferred that this main drill bit end 11 is a bullet-type drill bit.This main drill bit
The rear side in portion 11 is provided with one group of leaf formula drill bit blade row 12, this group leaf formula drill bit blade row 12 by multi-disc blade 121 around the axle of drilling rod 2
The blade composition of the radially uniform distribution of line, it is preferred that be the blade 121 of three radially uniform distributions of the axis around this drilling rod 2,
The angle of three blade 121 centrages is 120 °, and every blade 121 is with the horizontal the angle of 30 °.Leaf formula drill bit blade row 12
Each blade 121 is provided with at least one secondary drill bit 122, and this pair drill bit 122 has a junction 1222 and a head 1221, even
Meet portion 1222 and be provided with at least one link slot 1223, it is preferred that this head 1221 is a bullet-shaped drill bit, and its front end has one
Tapered end 1224, is a cylindrical secondary drill body 1225 on rear side of tapered end, and on rear side of secondary drill body 1225, end is inside
Depression forms a groove 1226, it is preferred that this head 1221 is made up of alloy.This pair drill bit 122 by this connecting portion 1222 and
Described link slot 1223 is soldered to described blade 121.Preferably, each blade 121 is provided with two secondary drill bits 122.Preferably,
The flush of described bullet drill bit 122 and this blade 121 and point to the rotation direction of this blade 121.
As Figure 1 and Figure 4, the drilling rod 2 at this main drill bit 1 rear has multi-layer flower flap-type blade layer 21, each petal type
Blade layer 21 has multi-disc petal type blade 211, it is preferred that the spacing between every layer of petal type blade layer is equal, each petal
Formula blade layer 21 has the petal type blade 211 of three radially uniform distributions of the axis around this drilling rod 2, three petal type blades
The angle of 211 centrages is 120 °, and every petal type blade 211 is with the horizontal the angle of 15 °.
Preferably, in actual use, can refer to following specification and implement the present embodiment, main drill bit end 11 a diameter of
250mm, a length of 150mm；The blade 121 of composition leaf formula drill bit blade row 12 is a length of 300, width 200, thickness are that 6.5mm is (long
× width x thickness)；The a diameter of 60mm of head 1221, a length of 30mm of tapered end 1224 of secondary drill bit 122, secondary drill body 1225
A length of 40mm, a length of 15mm of groove 1226, it is 4mm deeply, a diameter of 40mm of connecting portion 1222, long 85mm, two link slots
1223 a diameter of 12mm, two link slots 1223 are along the arrangement of connecting portion 1222 axis, and link slot 1223 center of circle is spaced apart 25mm, front end
The center of circle of link slot 1223 is 25mm with the space from end of head 1221；Two secondary drill bits 122 it are welded with on each blade 122,
Two secondary drill bit 122 axis spacings are 100mm, and outside pair drill bit 122 axis is 100mm with the spacing of blade 122 outer rim；Petal type
The drill pipe diameter of blade drilling rod is 250mm, and each petal type blade 211 thickness is 30mm, a length of 250mm, petal type blade
211 outside widths are 150mm, inboard width is 200mm, and the spacing between every layer of drilling rod petal type blade is 800mm, when three
Drilling rod 2 with the use of time, the spacing that the petal type blade layer between drilling rod 2 staggers up and down is 400mm.
This utility model for the hard of shale layer and smooth property, uses the tapered drill bit of compound bullet hair style, under
During brill, main drill bit end 11 coordinates the subsoil that tapered blade downward drilling cutting is hard and smooth, main drill bit 1 afterbody leaf formula drill bit
The blade of blade row 12 is provided with secondary drill bit 122, and it becomes 30 ° of angles in lower brill plane, by this design so that secondary drill bit
122 can work in coordination with main drill bit end 11 carries out soil body chopping and deep layer is crept into, and improves and lower bores efficiency and drill bit wearability so that bores
Machine is obviously improved in the rock speed that enters of firm hard formation, is conducive to improving pile quality.Meanwhile, the design of leaf formula drill bit blade row 12 is not
Only enhance and creep into and cutting power, moreover it is possible to play stirring and on return cutting the soil body effect, decrease resistance when drill bit creeps into
Power, reduces the consume of drill bit.Additionally, for the big characteristic of gravel layer laxity and mud stone resistance, helical blade drilling rod is changed
For petal type blade drilling rod.Petal type blade drilling rod decreases resistance in gravel layer, improves running speed.It also is able to simultaneously
More fully the cement mortar in stirring gravel layer and soil, improve pile body homogeneity.
The above is only preferred embodiment of the present utility model, not does this utility model any pro forma
Limit, although this utility model discloses as above with preferred embodiment, but is not limited to this utility model, any ability
The technical staff in territory, in the range of without departing from technical solutions of the utility model, it should in can utilizing the technology of the disclosure above
Hold and make a little change or be modified to the Equivalent embodiments of equivalent variations, as long as without departing from technical solutions of the utility model
Hold, any simple modification, equivalent variations and modification above example made according to technical spirit of the present utility model, the most still
Belong in the range of technical solutions of the utility model.
Claims (7)
1. the three axle blender drill bits being applicable under Complicated Geologic Condition, it is characterised in that comprise:
One drilling rod；
One bit head, including:
The one main drill bit end being arranged on this drilling rod front end；
The one rear quadrate lope formula drill bit blade row being arranged on this main drill bit end, is made up of multi-disc blade, and blade is around the axis of drilling rod
Radially uniform distribution；Each blade of described leaf formula drill bit blade row is provided with at least one secondary drill bit；
It is provided with multi-layer flower flap-type blade layer on the drilling rod at this bit head rear, forms petal type blade drilling rod, each petal type
Blade layer includes multiple petal type blade.
The three axle blender drill bits being applicable under Complicated Geologic Condition the most according to claim 1, it is characterised in that this is main
Drill bit end is a bullet-type drill bit.
The three axle blender drill bits being applicable under Complicated Geologic Condition the most according to claim 2, it is characterised in that each
Secondary drill bit has a head and a junction, and connecting portion is provided with at least one link slot, and this pair drill bit is by this connecting portion and institute
State link slot and be connected to described blade.
The three axle blender drill bits being applicable under Complicated Geologic Condition the most according to claim 3, it is characterised in that this pair
The head of drill bit is a bullet-type drill bit.
The three axle blender drill bits being applicable under Complicated Geologic Condition the most according to claim 4, it is characterised in that this leaf
Formula drill bit blade row is made up of three blades, and described blade is around the radially uniform distribution of axis of this drilling rod, three blade centerline
Angle be 120 °, every blade 121 is with the horizontal the angle of 30 °.
The three axle blender drill bits being applicable under Complicated Geologic Condition the most according to claim 5, it is characterised in that each
Blade is provided with two secondary drill bits.
The three axle blender drill bits being applicable under Complicated Geologic Condition the most according to claim 6, it is characterised in that each
Petal type blade layer is made up of the petal type blade of three radially uniform distributions of the axis around this drilling rod, three petal type blades
The angle of centrage is 120 °, and every petal type blade is with the horizontal the angle of 15 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620605144.4U CN205858186U (en) | 2016-06-20 | 2016-06-20 | A kind of three axle blender drill bits being applicable under Complicated Geologic Condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620605144.4U CN205858186U (en) | 2016-06-20 | 2016-06-20 | A kind of three axle blender drill bits being applicable under Complicated Geologic Condition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205858186U true CN205858186U (en) | 2017-01-04 |
Family
ID=57637029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620605144.4U Expired - Fee Related CN205858186U (en) | 2016-06-20 | 2016-06-20 | A kind of three axle blender drill bits being applicable under Complicated Geologic Condition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205858186U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107503689A (en) * | 2017-10-12 | 2017-12-22 | 江西中煤建设集团有限公司 | Rock-soil layer piling drill hammer and piling equipment |
| CN107503674A (en) * | 2017-10-12 | 2017-12-22 | 黄超凡 | A kind of hard rock-soil layer piling drill hammer and pile driving equipment |
-
2016
- 2016-06-20 CN CN201620605144.4U patent/CN205858186U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107503689A (en) * | 2017-10-12 | 2017-12-22 | 江西中煤建设集团有限公司 | Rock-soil layer piling drill hammer and piling equipment |
| CN107503674A (en) * | 2017-10-12 | 2017-12-22 | 黄超凡 | A kind of hard rock-soil layer piling drill hammer and pile driving equipment |
| CN107503689B (en) * | 2017-10-12 | 2019-03-12 | 江西中煤建设集团有限公司 | Rock-soil layer piling drill hammer and piling equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 |