CN207988968U - The dismountable threaded drillpipe of ultra-deep pile foundation - Google Patents
The dismountable threaded drillpipe of ultra-deep pile foundation Download PDFInfo
- Publication number
- CN207988968U CN207988968U CN201820368970.0U CN201820368970U CN207988968U CN 207988968 U CN207988968 U CN 207988968U CN 201820368970 U CN201820368970 U CN 201820368970U CN 207988968 U CN207988968 U CN 207988968U
- Authority
- CN
- China
- Prior art keywords
- drilling rod
- screw thread
- external screw
- segment
- ultra
- 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.)
- Active
Links
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model is related to a kind of construction equipment, more particularly to a kind of drilling rod of filling type stake.The utility model ultra-deep pile foundation includes drilling rod and end cover with dismountable threaded drillpipe, the drilling rod is the dismountable tubular body of multistage, the lower external face of first segment drilling rod is equipped with external screw thread, the top outer surface of first segment drilling rod is equipped with portion with external threads, and the rest part of first segment drilling rod is to be not provided with the externally threaded smooth body of rod；The bottom end of second segment drilling rod is connect with the top of first segment drilling rod, it also is provided with portion with external threads in the bottom outer surface of second segment drilling rod, the external screw thread on first segment drilling rod top and the external screw thread of second segment drilling rod bottom end just synthesize a complete external screw thread, and the complete external screw thread is identical as spiral size, shape that the external screw thread of first segment drilling rod lower part extends at same position and overlaps.The threaded drillpipe by place and pile frame height limitation, is not suitable for handling the stake holes of ultra-deep, while easy for construction, and drilling efficiency is high.
Description
Technical field
The utility model is related to a kind of construction equipment, more particularly to a kind of drilling rod of filling type stake.
Background technology
Long auger guncreting pile machine is widely used in the stake machine of construction site construction usage, and main drilling rod is by power drive
It rotates, the long spire flabellum being arranged on the drill bit and main drilling rod under main drilling rod can disposably drill out stake holes, then by hollow master
Drilling rod concrete perfusion and pile into stake holes.
At present in basic pile foundation engineering construction, the construction of super large deep pile foundation engineering pile is more universal, if using mud
The method of retaining wall water drilling pore-forming can then add the method for tearing drilling rod open to solve, such as be constructed using spiral drill, then needs to be more than design
The long drilling rod of stake.Run of steel is generally up to 40 because of the factor by site factors and manufacture mechanical aspects itself, length
Rice, when needing to play deep stake, can not just use existing threaded drillpipe to carry out pile foundation processing, i.e., due to the difference of construction environment
The more environmentally-friendly dry method cast-in-place pile construction method that fetches earth can not be used.And with the high speed development of infrastructure, high-rise building list
Body is higher and higher, and basement is more and more deeper, and the depth of pile foundation even needs to reach 120 meters of depths.
Utility model content
The utility model provides a kind of dismountable threaded drillpipe of ultra-deep pile foundation, and its purpose is to solve the prior art
There are the shortcomings that, make threaded drillpipe not by place and pile frame height limitation, be suitable for handling the stake holes of ultra-deep, while construction party
Just, drilling efficiency is high.
In order to achieve the above object, the dismountable threaded drillpipe of a kind of ultra-deep pile foundation designed by the utility model, it
Including drilling rod and end cover, the drilling rod is the dismountable tubular body of multistage, and drilling rod is that dismountable type is connect with end cover, close
Sealing end lid is up big and down small shape；The lower external face for the first segment drilling rod being connect with end cover is equipped with external screw thread, should
External screw thread is to be equipped with the outer spiral shell in part in circumferential threaded protrusion, the top outer surface of first segment drilling rod on drilling rod outer surface
Line, the rest part of first segment drilling rod are to be not provided with the externally threaded smooth body of rod；The bottom end of second segment drilling rod and first segment drilling rod
Top connection, also be provided with portion with external threads in the bottom outer surface of second segment drilling rod, the external screw thread on first segment drilling rod top and
The external screw thread of second segment drilling rod bottom end just synthesizes a complete external screw thread, under the complete external screw thread and first segment drilling rod
Thread size that the external screw thread in portion extends at same position, shape is identical and overlaps；And so on, every two sections of drilling rods
Between connecting pin by setting unit external screw thread so that a complete external screw thread can be formed after connection, it is each complete
It is identical and again that external screw thread extends to thread size, shape at same position with the external screw thread of first segment drilling rod lower part
It closes；For every section of drilling rod other than external screw thread is arranged at connecting pin, rest part is the smooth body of rod；The external screw thread of every two sections of drilling rods
Between be attached by bolt mode；It is additionally provided on the top outer surface of every section of drilling rod after being connect with the connector on piling machine
Can be formed one be no more than a helical pitch complete externally threaded portion with external threads, the portion with external threads on every section of drilling rod top with
It is attached by bolt mode between the portion with external threads of connector bottom end on piling machine.
Preferably, it is the external screw thread no more than a helical pitch that every two sections of drilling rods, which connect the complete external screw thread to be formed,.
Preferably, it is 8-10 meters that first segment drilling rod lower part, which is equipped with externally threaded body of rod length,.
Preferably, the length of every section of drilling rod is 10-15 meters.
Preferably, the bore of every section of drilling rod is 800mm or 600mm.
Preferably, the connecting mode of inserted pin between every two sections of drilling rod external screw threads can be respectively in two-part external screw thread
It is upper that the plug connections being mutually matched are set；Can also be to be arranged to be mutually matched respectively on the body of rod of two sections of drilling rod connecting pins
Plug connections.
Preferably, the portion with external threads of connector bottom end in the portion with external threads and piling machine on every section of drilling rod top it
Between connecting mode of inserted pin can be that the plug connections being mutually matched are set on two-part external screw thread respectively；Can also be
The plug connections being mutually matched are set on the body of rod of the connector bottom end on every section of drilling rod top and piling machine respectively.
When utility model works, according to the depth requirements of required stake holes, first end cover is connected with first segment drilling rod,
Connector on first segment drilling rod top and piling machine drills after fixing under the operation of piling machine, as drilling depth is wanted
That asks continues to increase, and after first segment drilling rod top is detached with piling machine, first segment drilling rod top is connect with second segment drilling rod again,
Second segment drilling rod top continues to drill after connecting with piling machine, and so on can connect several sections of drilling rods one by one, often increase
One section of drilling rod can deepen one section of drilling depth, until reaching the depth requirements of design stake holes；It is also by tearing open one by one when moving back brill
Drilling rod is unloaded to be operated.
It is to be attached by separation external screw thread and with bolt mode between the dismountable drilling rod of the utility model, due to
Size shape when being extended at same position with first segment drilling rod lower external thread is provided at connecting pin between drilling rod
External screw thread that is completely the same and overlapping, compared with traditional flange form connection so that drilling will not destroy original after increase drilling rod
Borehole shape so that the borehole shape finally shaped can keep continuity and consistency；Meanwhile the company between drilling rod
It connects mode and uses this dismountable mode of bolt, rather than be threadedly coupled so that the dismounting between drilling rod is not by external force machinery item
The limitation of part, it is convenient for disassembly and assembly, it is easy to operate.The utility model is since using removable drilling rod is segmented, there is no need to be arranged together
No matter the pile frame of sample length, all can be in original piling hands- operation when drilling or moving back brill.
Using the threaded drillpipe of the utility model the specific steps of ultra-deep stake piling are carried out under the operation of screw pile machine such as
Under：The first step：Pilot hole, first soil taking hole forming, pore forming process must not generate soil compaction effect by the way of dry operation；Use pore-forming equipment
The soil taking hole forming at stake position, drilling diameter is smaller than pile body diameter, and pilot hole is not higher than stake bottom designed elevation, and moves back drilling rod；Second step：
It is connect with first segment drilling rod in the tool joint of screw pile machine and carries out hair screw thread work, continuous with drilling depth requirement adds
Greatly, after first segment drilling rod top being detached with tool joint, first segment drilling rod top is connect with second segment drilling rod again, and second segment bores
Bar top continues to drill after connecting with tool joint, and so on can connect several sections of drilling rods one by one, often increase by one section brill
Bar can deepen one section of drilling depth, until the depth requirements for reaching design stake holes are no less than 50 centimetres down again, to simultaneously
Play the role of borehole cleaning；Third walks：Steel reinforcement cage is placed, the good steel reinforcement cage of pre-production is put into drilling rod；4th step：Concrete fills
Note, steel reinforcement cage place rear pile body power head and reversely rotate, and begin to end cover and dismountable drilling rod to be detached from, then superfluidity
Concrete is sent into pipe, and filling concrete is carried out；Start reverse rotation when filling concrete and exit drilling rod, coagulation is perfused when exiting
Soil；The speed that drilling rod screws out should be matched with the speed above pulled out, and the speed of the speed and rotation above pulled out also should be consistent, rotates one week,
It is corresponding to move up a screw pitch, and when curved-line thread path should be with drilling is consistent, and the process drilled out should at the uniform velocity and continuously, drilling rod gradually moves back
Go out to form bored concrete pile.
According to said program, the mode of traditional ground piling is breached, depth is unaffected as drilled pile, operation
Process is more environmentally-friendly, not will produce mud contamination, also noiseless, in the case of same bearing strength, largely saves Building wood
Material, and effect is more three times higher than drilled pile, avoids the phenomenon that drilled pile is easy collapse hole, this programme is not in collapse hole phenomenon.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Attachment structure schematic diagrams of the Fig. 2 between every two sections of drilling rod spiral fans.
Fig. 3 is the attachment structure schematic diagram between the connector on every section of drilling rod and piling machine.
Specific implementation mode
The utility model will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1-Figure 3, the dismountable threaded drillpipe of a kind of ultra-deep pile foundation of the present embodiment description, it includes drilling rod
2 and end cover 1, the drilling rod is the dismountable tubular body of multistage, and drilling rod is connect with end cover for dismountable type, end cover
For up big and down small shape；The lower external face for the first segment drilling rod being connect with end cover is equipped with external screw thread 3, the external screw thread
For in circumferential threaded protrusion, the top outer surface of first segment drilling rod is equipped with portion with external threads 4 on drilling rod outer surface, first
The rest part of section drilling rod is to be not provided with the externally threaded smooth body of rod；The bottom end of second segment drilling rod connects with the top of first segment drilling rod
It connects, also is provided with portion with external threads 5 in the bottom outer surface of second segment drilling rod, the external screw thread and second segment on first segment drilling rod top bore
The external screw thread of bar bottom end just synthesizes a complete external screw thread, the outer spiral shell of the complete external screw thread and first segment drilling rod lower part
Thread size that line extends at same position, shape is identical and overlaps；And so on, the company between every two sections of drilling rods
End is connect by setting unit external screw thread so that a complete external screw thread can be formed after connection, each complete external screw thread is equal
It is identical as thread size, the shape that the external screw thread of first segment drilling rod lower part extends at same position and overlap；Every section
For drilling rod other than external screw thread is arranged at connecting pin, rest part is the smooth body of rod；Lead between the external screw thread of every two sections of drilling rods
The plug connections 6 for being arranged on two-part external screw thread be mutually matched respectively are crossed to be attached；The top appearance of every section of drilling rod
A complete externally threaded portion for being no more than a helical pitch can be formed by being additionally provided on face after being connect with the connector on piling machine
External threads 7 lead between the portion with external threads 9 of 8 bottom end of connector in the portion with external threads and piling machine on every section of drilling rod top
The plug connections 10 for being arranged on two-part external screw thread be mutually matched respectively are crossed to be attached.
It is the external screw thread no more than a helical pitch that every two sections of drilling rods, which connect the complete external screw thread to be formed,.
It is 8-10 meters that first segment drilling rod lower part, which is equipped with externally threaded body of rod length,.
The length of every section of drilling rod is 10-15 meters.
The bore of every section of drilling rod is 800mm or 600mm.
Claims (9)
1. a kind of dismountable threaded drillpipe of ultra-deep pile foundation, it is characterised in that：It includes drilling rod and end cover, the drilling rod
For the dismountable tubular body of multistage, drilling rod is that dismountable type is connect with end cover, and end cover is up big and down small shape；With it is close
The lower external face of the first segment drilling rod of sealing end lid connection is equipped with external screw thread, which is on drilling rod outer surface in circumferential direction
The top outer surface of threaded protrusion, first segment drilling rod is equipped with portion with external threads, and the rest part of first segment drilling rod is not set
Set the externally threaded smooth body of rod；The bottom end of second segment drilling rod is connect with the top of first segment drilling rod, in the bottom end of second segment drilling rod
Outer surface also is provided with portion with external threads, and the external screw thread on first segment drilling rod top and the external screw thread of second segment drilling rod bottom end just synthesize
For a complete external screw thread, the complete external screw thread and the external screw thread of first segment drilling rod lower part extend at same position
Thread size, shape is identical and overlaps；And so on, the connecting pin between every two sections of drilling rods passes through spiral shell outside setting unit
Line and a complete external screw thread can be formed after making connection, each complete outer spiral shell of the external screw thread with first segment drilling rod lower part
Thread size that line extends at same position, shape is identical and overlaps；Every section of drilling rod at connecting pin in addition to being arranged
Outside external screw thread, rest part is the smooth body of rod；It is attached by bolt mode between the external screw thread of every two sections of drilling rods；Every section
Can be formed by being additionally provided on the top outer surface of drilling rod by one after being connect with the connector on piling machine is no more than helical pitch
Complete externally threaded portion with external threads, outside the part of the connector bottom end in the portion with external threads and piling machine on every section of drilling rod top
It is attached by bolt mode between screw thread.
2. a kind of dismountable threaded drillpipe of ultra-deep pile foundation according to claim 1, it is characterised in that：Every two sections of drilling rods
The complete external screw thread that connection is formed is the external screw thread no more than a helical pitch.
3. a kind of dismountable threaded drillpipe of ultra-deep pile foundation according to claim 1, it is characterised in that：First segment drilling rod
It is 8-10 meters that lower part, which is equipped with externally threaded body of rod length,.
4. a kind of dismountable threaded drillpipe of ultra-deep pile foundation according to claim 1, it is characterised in that：Every section of drilling rod
Length is 10-15 meters.
5. a kind of dismountable threaded drillpipe of ultra-deep pile foundation according to claim 1, it is characterised in that：Every section of drilling rod
Bore is 800mm or 600mm.
6. a kind of dismountable threaded drillpipe of ultra-deep pile foundation according to claim 1, it is characterised in that：Every two sections of drilling rods
Connecting mode of inserted pin between external screw thread is that the plug connections being mutually matched are arranged on two-part external screw thread respectively.
7. a kind of dismountable threaded drillpipe of ultra-deep pile foundation according to claim 1, it is characterised in that：Every two sections of drilling rods
Connecting mode of inserted pin between external screw thread is that the bolt connection being mutually matched is arranged on the body of rod of two sections of drilling rod connecting pins respectively
Part.
8. a kind of dismountable threaded drillpipe of ultra-deep pile foundation according to claim 1, it is characterised in that：Every section of drilling rod top
Connecting mode of inserted pin between the portion with external threads of connector bottom end in the portion with external threads and piling machine at end is respectively two
The plug connections being mutually matched are set on partial external screw thread.
9. a kind of dismountable threaded drillpipe of ultra-deep pile foundation according to claim 1, it is characterised in that：Every section of drilling rod top
Connecting mode of inserted pin between the portion with external threads of connector bottom end in the portion with external threads and piling machine at end is respectively every
The plug connections being mutually matched are set on the body of rod of section drilling rod top and the connector bottom end on piling machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820368970.0U CN207988968U (en) | 2018-03-19 | 2018-03-19 | The dismountable threaded drillpipe of ultra-deep pile foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820368970.0U CN207988968U (en) | 2018-03-19 | 2018-03-19 | The dismountable threaded drillpipe of ultra-deep pile foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207988968U true CN207988968U (en) | 2018-10-19 |
Family
ID=63828335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820368970.0U Active CN207988968U (en) | 2018-03-19 | 2018-03-19 | The dismountable threaded drillpipe of ultra-deep pile foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207988968U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397139A (en) * | 2018-03-19 | 2018-08-14 | 杭州好桩机械科技有限公司 | The dismountable threaded drillpipe of ultra-deep pile foundation |
-
2018
- 2018-03-19 CN CN201820368970.0U patent/CN207988968U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397139A (en) * | 2018-03-19 | 2018-08-14 | 杭州好桩机械科技有限公司 | The dismountable threaded drillpipe of ultra-deep pile foundation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104018792B (en) | Reducing screw displacement pile drilling tool and construction method thereof | |
| CN105735251A (en) | Bridge pile foundation rotary excavating drilling rig cutting type whole guard barrel follow-up pile forming construction method and system | |
| CN104389516B (en) | A kind of squeezed drilling pouring pile hole method | |
| CN106930723B (en) | Wall device and its application in solution cavity leak stopping are consolidated in the leak stopping of nesting of cumulative binding type | |
| CN106917404A (en) | A kind of prefabricated screw stake | |
| CN102619224B (en) | Construction method and drilling tool for variable cross-section bored cast-in-place pile (rock bolt) | |
| CN110295849A (en) | Weathering crushed zone bored grouting method and drilling sub-assembly in shallow rock | |
| CN208023560U (en) | The dismountable screw pile machine of ultra-deep pile foundation drilling rod | |
| CN207988968U (en) | The dismountable threaded drillpipe of ultra-deep pile foundation | |
| CN109183790A (en) | A kind of Screw Pile and its construction tool and construction method | |
| CN103089170A (en) | Extensible drill pipe of long spiral drilling pressure filling pile machine and construction method thereof | |
| CN108374411A (en) | The dismountable screw pile machine of ultra-deep pile foundation drilling rod and the construction method of ultra-deep stake | |
| CN104594339B (en) | The construction method of concrete-pile | |
| CN204419031U (en) | A kind of full screw earth auger and Static pressure pile driver all-in-one | |
| CN106049463B (en) | The construction method and its drilling tool of a kind of earth-squeezing hole-enlarging stake and the earth-squeezing hole-enlarging stake | |
| CN100585091C (en) | Rotary squeezing filling pile and pile-forming method therefor | |
| CN108397139A (en) | The dismountable threaded drillpipe of ultra-deep pile foundation | |
| CN206768796U (en) | A kind of concrete-pile external spiral combines hole-forming device with inside spin | |
| CN206233232U (en) | A kind of upper and lower part expansion type soil cement is combined pile tube | |
| CN206267795U (en) | Spiral cylinder soil compaction drill bit | |
| CN102619219B (en) | Drilling construction method for cast-in-place concrete variable threaded tubular pile and drilling tool for implementing drilling construction method | |
| CN210530745U (en) | Combined drilling bottom-expanding pile-planting system | |
| CN205713982U (en) | A kind of pile foundation construction drilling equipment being applicable to karst area | |
| CN106836228A (en) | Filling type stake hollow drill | |
| CN105221076B (en) | A kind of enlarged footing fourth type screw cast-in-place pile pile making method and double dynamical casing reamer drilling tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |