CN107503674A - A kind of hard rock-soil layer piling drill hammer and pile driving equipment - Google Patents
A kind of hard rock-soil layer piling drill hammer and pile driving equipment Download PDFInfo
- Publication number
- CN107503674A CN107503674A CN201710947757.5A CN201710947757A CN107503674A CN 107503674 A CN107503674 A CN 107503674A CN 201710947757 A CN201710947757 A CN 201710947757A CN 107503674 A CN107503674 A CN 107503674A
- Authority
- CN
- China
- Prior art keywords
- piling
- drill bit
- bar
- soil layer
- hydraulic
- 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.)
- Withdrawn
Links
- 239000002689 soil Substances 0.000 title claims abstract description 25
- 238000005553 drilling Methods 0.000 claims abstract description 4
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 230000010355 oscillation Effects 0.000 claims description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009527 percussion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
- E21B1/00—Percussion drilling
-
- 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
- E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
- E21B10/445—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts percussion type, e.g. for masonry
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/24—Drilling using vibrating or oscillating means, e.g. out-of-balance masses
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses rock-soil layer piling drill hammer,It includes the main drill bit being wholely set and multiple secondary drill bits,Multiple secondary bit inclinations are arranged on the tapered sidewalls of the main drill bit,And the slanted angle between the central axis of the central axis of the secondary drill bit and the main drill bit is 45 °,Distance of the secondary drill bit in the outermost end face in the radial direction of the main drill bit to main drill bit central axis is 1.05 1.1 times of the drilling rod radius of main drill bit,It is in piling,Piling efficiency high,Not only the apex point of main drill bit realizes impact bottom,Its secondary drill bit can also impact to the borehole wall,Piling efficiency high,Secondary drill bit is multiple,The service life of whole drill bit can be improved,Simultaneously,In piling,It is also provided with radial vibration component,Radial vibration can improve the piling speed of secondary drill bit,Improve piling efficiency,Using the piling drill bit and piling equipment of the present invention,The time for completing a piling can be allowd to greatly shorten.
Description
Technical field
The present invention relates to rock-soil layer piling drill hammer, belong to rock-soil layer pile driving equipment technical field.
Background technology
At present, with the fast development of China's economy, construction industry has also welcome the peak period of development, and each industry of each side is all big
Emerging building.And for piling, it is general at present that stake holes is first got using the rig with drill bit, then opened from the tip of drill bit
Beginning concrete perfusion, and then realize the needs of piling.For current piling drill bit, general fairly simple, it is general using circle
The single drill bit of rod structure, the purpose of piling is realized using the lower punch power of drill bit.But for harder rock-soil layer,
This bit wear is very fast, moreover, relying solely on apex point to realize, apex point not only needs that well portion bottom is carried out being drilled with punching
Hit, also the borehole wall is impacted, Piling speed is not only relatively slow, moreover, drill tip wear is very fast, influences drive piles efficiency and cost.
The present invention is directed to problem above, there is provided rock-soil layer piling drill hammer, improves rock-soil layer piling efficiency.
The content of the invention
To achieve the above object, the present invention provides following technical scheme：Rock-soil layer piling drill hammer, it includes integrally setting
The main drill bit and multiple secondary drill bits put, it is characterised in that multiple secondary bit inclinations are arranged on the tapered side of the main drill bit
On wall, and the slanted angle between the central axis of the central axis of the secondary drill bit and the main drill bit is 45 °, the secondary brill
Distance of the head in the outermost end face in the radial direction of the main drill bit to main drill bit central axis is the drilling rod of main drill bit
1.05-1.1 times of radius.
Further, preferably, the main drill bit includes blade and is arranged on the apex point of blade front end, the point of the apex point
Portion for cone, and the size of coning angle is 120 °, and multigroup central shaft along the main drill bit is provided with the blade
The blade surface of line direction extension, every group of blade surface are made up of two symmetrically arranged blade surfaces, and are auxiliary between every group of two blade surfaces
Convex surface is connected, and the blade surface protrusion auxiliary connection convex surface is set, and is connected between adjacent two groups of blade surfaces for the cambered surface of indent
Connect.
Further, preferably, the blade surface extends in the central axial direction of the main drill bit includes arc extension
Section and linear extension, the arc extension are located remotely from the side of the apex point, and the linear extension is located at close to brill
The side of point.
Further, preferably, the secondary drill bit includes secondary drill body, end sword and side edge, wherein, the secondary drill bit sheet
Body is cylindrical structural, and the end set of the front end of the secondary drill body has end sword, the end sword and the secondary drill bit sheet
Connected between body using the side edge, the side edge includes upper side edge and lower side edge, and the lower side edge is set close to apex point, described
Upper side edge is set away from apex point, and the central axis distance between the lower side edge and the main drill bit is less than the upper side edge and institute
State the central axis distance between main drill bit.
Further, driven piles the invention provides a kind of rock-soil layer and impact piling equipment, it includes fixed mount, piling is axially driven
Dynamic component, piling bar radial vibration component, piling bar assembly and drill bit, it is characterised in that the fixed mount setting in frame,
The axially driving component of piling is arranged on the fixed mount, is beaten described in the output end connection of the axially driving component of piling
Stake bar assembly, the end set of the piling bar assembly have drill bit, and the piling bar assembly is also associated with the piling bar radially
Vibration component, it is described while the piling bar assembly carries out axially piling under the driving of the axially driving component of piling
Piling bar assembly does micro breadth oscillation under the vibration of the piling bar radial vibration component along the radial direction of the piling bar.
Further, preferably, the axially driving component of piling includes two hydraulic cylinders and fixed plate, the hydraulic cylinder
Cylinder body be fixed on the fixed mount, the piston rod of two hydraulic cylinders is separately fixed at the both sides of fixed plate, described solid
The centre of fixed board is additionally provided with connecting seat, and the upper end of the connecting seat is provided with guide pillar, and the guide pillar is along the fixed mount
Guide pin bushing is set, and slurry injection tube is also associated with the guide pillar, and center of the slurry injection tube along the piling bar is passed through
Drill bit end, the piling bar are connected on the lower surface of the fixed plate using the piling bar radial vibration component.
Further, preferably, the piling bar radial vibration component include outer seat shell, vibrating grid, hydraulic radial cylinder one,
Hydraulic radial cylinder two and sliding block, wherein, the upper end of the outer shell base is fixed on the lower surface of fixed plate, is set in the outer shell base
It is equipped with vibrating grid, the be hinged lower central for being arranged on the fixed plate in upper end of the vibrating grid, the middle part one of the vibrating grid
Body is provided with ferrule seat, and the ferrule seat is be hinged to be set on the fixation spindle nose in the frame, the sky inside the ferrule seat
Cavity volume is more than the volume of the fixed spindle nose, described to shake so that the ferrule seat makees micro-swinging around the fixed spindle nose
The bottom of moving frame is provided with vertical slideway, and the sliding block is slided up and down in the vertical slideway, and the sliding block is be hinged to be arranged on
On horizon bar, the both ends of the horizon bar are respectively fixedly connected with the piston rod and hydraulic radial cylinder two of the hydraulic radial cylinder one
Piston rod, the lower end of the vibrating grid is be hinged to be arranged on the upper end of piling bar.
Further, preferably, the hydraulic radial cylinder one and hydraulic radial cylinder two are symmetrically arranged at piling bar
Both sides, the joint connected with hydraulic pump, the hydraulic radial are respectively connected with the hydraulic radial cylinder one and hydraulic radial cylinder two
Cylinder one and hydraulic radial cylinder two are fixed in outer seat shell using fixed seat.
Further, preferably, being additionally provided with guide holder in the outer seat shell, the horizon bar is along the guide holder
Pilot hole, which slides, to be set.
Compared with prior art, the beneficial effects of the invention are as follows：
The invention provides a kind of new-type rock-soil layer piling drill bit, it is in piling, the brill for the efficiency high, not only main drill bit of driving piles
Point realizes impact bottom, and its secondary drill bit can also impact to the borehole wall, and efficiency high of driving piles, secondary drill bit is multiple, Ke Yiti
The service life of high whole drill bit, meanwhile, in piling, radial vibration component is also provided with, radial vibration can improve secondary brill
The piling speed of head, piling efficiency is improved, using the piling drill bit and piling equipment of the present invention, can to complete a piling
Time can greatly shorten.
Brief description of the drawings
Fig. 1 is the structural representation of rock-soil layer piling percussion mechanism of the present invention；
Fig. 2 is the partial enlargement structural representation of rock-soil layer piling percussion mechanism of the present invention；
Fig. 3 is the structural representation of rock-soil layer piling drill hammer of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-3 are referred to, the present invention provides a kind of technical scheme：Rock-soil layer piling drill hammer 16, it includes integrally setting
The main drill bit and multiple secondary drill bits put, it is characterised in that multiple secondary bit inclinations are arranged on the tapered side of the main drill bit
On wall 168, and the slanted angle between the central axis of the central axis of the secondary drill bit and the main drill bit is 45 °, described
Distance of the secondary drill bit in the outermost end face in the radial direction of the main drill bit to main drill bit central axis is main drill bit
1.05-1.1 times of drilling rod radius.
In the present embodiment, the main drill bit includes blade 161 and is arranged on the apex point 165 of blade front end, the apex point
Tip for cone, and the size of coning angle is 120 °, is provided with the blade 161 multigroup along the main drill bit
The blade surface of central axial direction extension, every group of blade surface are made up of two symmetrically arranged blade surfaces, and between every group of two blade surfaces
Convex surface 160 is connected for auxiliary, and the blade surface 161 is protruded the auxiliary connection convex surface 160 and set, between adjacent two groups of blade surfaces
Connected for the cambered surface 162 of indent.
Wherein, such as Fig. 3, the blade surface extends in the central axial direction of the main drill bit includes arc extension and straight
Line extension, the arc extension are located remotely from the side of the apex point, and the linear extension is located at one close to apex point
Side.The secondary drill bit includes secondary drill body 163, end sword 164 and side edge 166,167, wherein, the secondary drill body is cylinder
Shape structure, the end set of the front end of the secondary drill body have end sword, adopted between the end sword and the secondary drill body
Connected with the side edge, the side edge includes upper side edge 167 and lower side edge 166, and the lower side edge 166 is set close to apex point, institute
Side edge is stated to set away from apex point, central axis between the lower side edge and main drill bit distance be less than the upper side edge with
Central axis distance between the main drill bit.
In addition, such as Fig. 1, driven piles the invention provides a kind of rock-soil layer and impact piling equipment, it includes fixed mount 1, piling
Axially driving component, piling bar radial vibration component, piling bar assembly and drill bit 16, it is characterised in that the fixed mount 1 is set
In frame, the axially driving component of piling is arranged on the fixed mount 1, the output end of the axially driving component of piling
The piling bar assembly is connected, the end set of the piling bar assembly has drill bit 16, and the piling bar assembly is also connected with
Piling bar radial vibration component is stated, the piling bar assembly carries out axial piling under the driving of the axially driving component of piling
While, the piling bar assembly is under the vibration of the piling bar radial vibration component along the radial direction of the piling bar
Do micro breadth oscillation.
Wherein, the axially driving component of piling includes two hydraulic cylinders 3 and fixed plate 4, and the cylinder body of the hydraulic cylinder 3 is consolidated
It is scheduled on the fixed mount 1, the piston rod of two hydraulic cylinders 3 is separately fixed at the both sides of fixed plate 4, the fixed plate
Centre is additionally provided with connecting seat, and the upper end of the connecting seat is provided with guide pillar, and guide pin bushing of the guide pillar along the fixed mount is set
Put, slurry injection tube 2 is also associated with the guide pillar, center of the slurry injection tube 2 along the piling bar is passed through drill bit
End, the piling bar are connected on the lower surface of the fixed plate using the piling bar radial vibration component.
The piling bar radial vibration component includes outer seat shell 6, vibrating grid 5, hydraulic radial cylinder 1, hydraulic radial cylinder two
10 and sliding block 13, wherein, the upper end of the outer shell base 6 is fixed on the lower surface of fixed plate 4, is provided with the outer shell base 6
Vibrating grid 5, the be hinged lower central for being arranged on the fixed plate in upper end of the vibrating grid 5, the integral middle of the vibrating grid 5
Ferrule seat 8 is provided with, the ferrule seat 8 is be hinged to be set on the fixation spindle nose 7 in the frame, inside the ferrule seat 8
Cavity volume is more than the volume of the fixed spindle nose 7, described so that the ferrule seat makees micro-swinging around the fixed spindle nose
The bottom of vibrating grid 5 is provided with vertical slideway, and the sliding block 13 slides up and down in the vertical slideway, and the sliding block 13 is be hinged
It is arranged on horizon bar, the both ends of the horizon bar are respectively fixedly connected with the piston rod and radial direction liquid of the hydraulic radial cylinder 1
The piston rod of cylinder pressure 2 10, the lower end 14 of the vibrating grid 5 is be hinged to be arranged on the upper end of piling bar.
The hydraulic radial cylinder 1 and hydraulic radial cylinder 2 10 are symmetrically arranged at the both sides of piling bar 15, the footpath
The joint 11 connected with hydraulic pump, the hydraulic radial cylinder one and radial direction are respectively connected with to hydraulic cylinder one and hydraulic radial cylinder two
Hydraulic cylinder two is fixed in outer seat shell using fixed seat.Be additionally provided with guide holder in the outer seat shell, the horizon bar along
The pilot hole of the guide holder, which slides, to be set.
The invention provides a kind of new-type rock-soil layer piling drill bit, it is in piling, efficiency high of driving piles, not only main drill bit
Apex point realize impact bottom, its secondary drill bit can also impact to the borehole wall, efficiency high of driving piles, secondary drill bit be it is multiple, can
To improve the service life of whole drill bit, meanwhile, in piling, radial vibration component is also provided with, radial vibration can improve
The piling speed of secondary drill bit, piling efficiency is improved, using the piling drill bit and piling equipment of the present invention, can to complete one
The time of piling can greatly shorten.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
- The drill hammer 1. rock-soil layer is driven piles, it includes the main drill bit being wholely set and multiple secondary drill bits, it is characterised in that Duo Gesuo Secondary bit inclination is stated to be arranged on the tapered sidewalls of the main drill bit, and the central axis of the secondary drill bit and the main drill bit Slanted angle between central axis is 45 °, and the secondary drill bit is in the outermost end face in the radial direction of the main drill bit Distance to main drill bit central axis is 1.05-1.1 times of the drilling rod radius of main drill bit, and guiding is additionally provided with the outer seat shell Seat, pilot hole of the horizon bar along the guide holder, which slides, to be set.
- The drill hammer 2. rock-soil layer according to claim 1 is driven piles, it is characterised in that：The main drill bit includes blade and set Put the apex point in blade front end, the tip of the apex point for cone, and the size of coning angle is 120 °, is set on the blade The blade surface that multigroup central axial direction along the main drill bit extends is equipped with, every group of blade surface is by two symmetrically arranged blade surface structures Into, and be auxiliary connection convex surface between every group of two blade surfaces, and the blade surface protrusion auxiliary connection convex surface is set, it is adjacent Two groups of blade surfaces between for indent cambered surface connect.
- The drill hammer 3. rock-soil layer according to claim 1 is driven piles, it is characterised in that：The blade surface is in the main drill bit Extension includes arc extension and linear extension in central axial direction, and the arc extension is located remotely from the apex point Side, the linear extension are located at close to the side of apex point.
- The drill hammer 4. rock-soil layer according to claim 1 is driven piles, it is characterised in that：The secondary drill bit includes secondary drill bit sheet Body, end sword and side edge, wherein, the secondary drill body is cylindrical structural, and the end of the front end of the secondary drill body is set End sword is equipped with, is connected between the end sword and the secondary drill body using the side edge, the side edge includes upper side edge with Side edge, the lower side edge are set close to apex point, and the upper side edge is set away from apex point, between the lower side edge and the main drill bit Central axis distance be less than central axis distance between the upper side edge and the main drill bit.
- 5. a kind of rock-soil layer piling impact piling equipment, it includes fixed mount, the axially driving component of piling, piling bar radial vibration Component, piling bar assembly and drill bit, it is characterised in that the fixed mount setting is in frame, the axially driving component of piling It is arranged on the fixed mount, the output end of the axially driving component of piling connects the piling bar assembly, the piling bar The end set of component has drill bit, and the piling bar assembly is also associated with the piling bar radial vibration component, the piling bar While component carries out axially piling under the driving of the axially driving component of piling, the piling bar assembly is in the piling Micro breadth oscillation is done along the radial direction of the piling bar under the vibration of bar radial vibration component, wherein, the drill bit is using power Profit requires the drill bit described in 1-4 any one.
- 6. rock-soil layer piling impact piling equipment according to claim 5, it is characterised in that：Axially driving group of the piling Part includes two hydraulic cylinders and fixed plate, and the cylinder body of the hydraulic cylinder is fixed on the fixed mount, two hydraulic cylinders Piston rod is separately fixed at the both sides of fixed plate, and the centre of the fixed plate is additionally provided with connecting seat, the upper end of the connecting seat Guide pillar is provided with, guide pin bushing of the guide pillar along the fixed mount is set, and slurry injection tube is also associated with the guide pillar, described Center of the slurry injection tube along the piling bar is passed through drill bit end, and the piling bar is using the piling bar radial vibration group Part is connected on the lower surface of the fixed plate.
- 7. rock-soil layer piling impact piling equipment according to claim 5, it is characterised in that：The piling bar radial vibration Component includes outer seat shell, vibrating grid, hydraulic radial cylinder one, hydraulic radial cylinder two and sliding block, wherein, the upper end of the outer shell base is consolidated Be scheduled on the lower surface of fixed plate, be provided with vibrating grid in the outer shell base, the upper end of the vibrating grid is be hinged be arranged on it is described The lower central of fixed plate, the integral middle of the vibrating grid are provided with ferrule seat, and the ferrule seat is be hinged to be set in the machine On fixation spindle nose on frame, the cavity volume inside the ferrule seat is more than the volume of the fixed spindle nose, so as to the lasso Seat makees micro-swinging around the fixed spindle nose, and the bottom of the vibrating grid is provided with vertical slideway, and the sliding block is described perpendicular Slided up and down in straight slideway, the sliding block is be hinged to be arranged on horizon bar, and the both ends of the horizon bar are respectively fixedly connected with described The piston rod of hydraulic radial cylinder one and the piston rod of hydraulic radial cylinder two, the lower end of the vibrating grid is be hinged to be arranged on bar of driving piles On upper end.
- 8. rock-soil layer piling impact piling equipment according to claim 5, it is characterised in that：The He of hydraulic radial cylinder one Hydraulic radial cylinder two is symmetrically arranged at the both sides of piling bar, is all connected with the hydraulic radial cylinder one and hydraulic radial cylinder two There is the joint connected with hydraulic pump, the hydraulic radial cylinder one and hydraulic radial cylinder two are fixed on outer seat shell using fixed seat On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710947757.5A CN107503674A (en) | 2017-10-12 | 2017-10-12 | A kind of hard rock-soil layer piling drill hammer and pile driving equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710947757.5A CN107503674A (en) | 2017-10-12 | 2017-10-12 | A kind of hard rock-soil layer piling drill hammer and pile driving equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107503674A true CN107503674A (en) | 2017-12-22 |
Family
ID=60701431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710947757.5A Withdrawn CN107503674A (en) | 2017-10-12 | 2017-10-12 | A kind of hard rock-soil layer piling drill hammer and pile driving equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107503674A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116537726A (en) * | 2023-05-19 | 2023-08-04 | 宁波市电力设计院有限公司 | Coring device for three-dimensional geological modeling |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2036817A (en) * | 1935-06-04 | 1936-04-07 | Crucible Steel Co America | Drill bit |
| CN2863328Y (en) * | 2006-01-24 | 2007-01-31 | 颜灿然 | Modified tangent plane structure for three-edge minisize needle |
| CN104652435A (en) * | 2015-02-10 | 2015-05-27 | 济南轨道交通集团有限公司 | Intelligent pile machine equipment and method |
| CN205422545U (en) * | 2016-03-18 | 2016-08-03 | 山东省城乡建设勘察设计研究院 | Novel combined drill |
| CN205588427U (en) * | 2015-05-22 | 2016-09-21 | 启东市吕四科技创业中心有限公司 | Quick start bit |
| CN205858186U (en) * | 2016-06-20 | 2017-01-04 | 中国建筑第八工程局有限公司 | A kind of three axle blender drill bits being applicable under Complicated Geologic Condition |
-
2017
- 2017-10-12 CN CN201710947757.5A patent/CN107503674A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2036817A (en) * | 1935-06-04 | 1936-04-07 | Crucible Steel Co America | Drill bit |
| CN2863328Y (en) * | 2006-01-24 | 2007-01-31 | 颜灿然 | Modified tangent plane structure for three-edge minisize needle |
| CN104652435A (en) * | 2015-02-10 | 2015-05-27 | 济南轨道交通集团有限公司 | Intelligent pile machine equipment and method |
| CN205588427U (en) * | 2015-05-22 | 2016-09-21 | 启东市吕四科技创业中心有限公司 | Quick start bit |
| CN205422545U (en) * | 2016-03-18 | 2016-08-03 | 山东省城乡建设勘察设计研究院 | Novel combined drill |
| CN205858186U (en) * | 2016-06-20 | 2017-01-04 | 中国建筑第八工程局有限公司 | A kind of three axle blender drill bits being applicable under Complicated Geologic Condition |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116537726A (en) * | 2023-05-19 | 2023-08-04 | 宁波市电力设计院有限公司 | Coring device for three-dimensional geological modeling |
| CN116537726B (en) * | 2023-05-19 | 2024-05-28 | 宁波市电力设计院有限公司 | Coring device for three-dimensional geological modeling |
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