CN110359446A - Revolve expanding steel tube pile rotary drilling rig and its construction method - Google Patents
Revolve expanding steel tube pile rotary drilling rig and its construction method Download PDFInfo
- Publication number
- CN110359446A CN110359446A CN201910776865.XA CN201910776865A CN110359446A CN 110359446 A CN110359446 A CN 110359446A CN 201910776865 A CN201910776865 A CN 201910776865A CN 110359446 A CN110359446 A CN 110359446A
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- steel tube
- pile
- expanding steel
- drilling rig
- rotary drilling
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 112
- 239000010959 steel Substances 0.000 title claims abstract description 112
- 238000005553 drilling Methods 0.000 title claims abstract description 63
- 238000010276 construction Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000007373 indentation Methods 0.000 claims description 6
- 239000000284 extract Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000010412 perfusion Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000003818 cinder Substances 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D11/00—Methods or apparatus specially adapted for both placing and removing sheet pile bulkheads, piles, or mould-pipes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/04—Guide devices; Guide frames
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/28—Prefabricated piles made of steel or other metals
Abstract
The invention discloses a kind of rotation expanding steel tube pile rotary drilling rigs, rotary drilling rig includes chassis and the mast that is mounted on chassis, rotation expanding steel tube stake power head is mounted on the guide rail of mast, rotation expanding steel tube stake power both sides of head, which is equipped with, hangs an elevator, pile follower bar is fixed in rotation expanding steel tube stake power head by lockable mechanism, mast foot is equipped with fender pile device, the connection rotation expanding steel tube stake of pile follower bar bottom.The invention also discloses a kind of construction methods using rotation expanding steel tube pile rotary drilling rig.Aforementioned present invention makes rotary drilling rig have rotation expanding steel tube pile driving construction function, has a pile, mud-less pollution, low cost, the advantages such as low noise.
Description
Technical field
The present invention relates to engineering machinery and pile foundation construction field, in particular to a kind of rotation expanding steel tube pile rotary drilling rig and its
Construction method.
Background technique
The structure of currently available technology rotary drilling rig is mounted on the mast 5 on chassis 1, power as shown in Figure 1, including chassis 1
First 4 are mounted on the guide rail of mast 5, and setting connects telescopic drill rod 3 and drilling bucket 2 by wirerope in the One On The Chassis elevator, stretch
Drilling rod 3 is machine locking-type (or friction type) drilling rod.
The rotary drilling rig of the prior art, which carries telescopic drill rod, realizes coagulation cast-in-place pile construction method, it usually needs is crept into
With unload native circulate operation, realize pore-forming, place steel reinforcement cage after measuring by hole depth again and conduit carries out filling concrete pile.It meets
It to soft bottom, also needs to carry out retaining wall in hole with mud, aperture also needs embedded casing, needs to carry out bottom hole scarfing cinder work etc. before perfusion
Deng.Entire work progress is more complicated, at high cost, and each link monitoring needs strictly just to can guarantee the finally quality at bored concrete pile.
The impact pile driving of the prior art be using drop hammer, the driven precast piles such as diesel hammer, hydraulic hammer enter underground, excellent
Point is that construction efficiency is fast, but haves the shortcomings that vibration is big, noise is big.And static pile press is pressed into prefabricated pile by fuselage gravity,
Embedability is limited, and machine is very huge, and transportation cost is high.
Summary of the invention
The application aims to solve at least one of the technical problems existing in the prior art.For this purpose, an object of the present invention
It is to provide a kind of rotation expanding steel tube pile rotary drilling rig.The drilling machine have rotation expanding steel tube pile driving construction function, have a pile and
The advantages such as low noise.
A kind of rotation expanding steel tube pile rotary drilling rig, comprising:
Chassis which is provided with mast；
Expanding steel tube stake power head is revolved, is mounted on the mast, and can be along the mast by the drive of pressurizing device
Lower slider；
Pile follower bar, upper end are fixedly mounted on the power head, and by the band movement rotary motion of power head, lower end is
Revolve expanding steel tube stake connecting pin.
Further, the pile follower bar is turned round by external spline and the cooperation transmitting revolution of the inside spline of the power head
Square, and pile follower bar is axially fixed on the revolving body of power head by lockable mechanism.
Further, the periphery wall on the pile follower bar is equipped with slot, the extending direction of the slot and the pile follower
The axis of bar is vertical, and the lockable mechanism includes that can match the keypad being inserted into the slot.
Further, the slot is arranged in rows along pile follower rod axis direction, and every row includes along pile follower bar circle
The uniformly distributed multiple slots of circumferential direction.
Further, the bottom of the mast is additionally provided with the fender pile device coaxial with the pile follower bar, sets on the fender pile device
There is the guide through hole being adapted to the rotation expanding steel tube stake.
Further, the bottom end internal perisporium of the pile follower bar is equipped with interior spline, the top outer wall of the rotation expanding steel tube stake
It is equipped with the outer spline being adapted to the interior spline.
Further, the rotation expanding steel tube stake bottom is equipped with helical blade.
Further, the pressurizing device is hoisting pressure device.
Further, the shell two sides of the power head, which are additionally provided with, hangs an elevator for lifting the rotation expanding steel tube stake.
A kind of rotation expanding steel tube pile rotary drilling rig construction method hangs the steel wire on an elevator using rotation expanding steel tube pile rotary drilling rig
Rope will rotation expanding steel tube stake from ground slings and be installed to rotation expanding steel tube pile rotary drilling rig on, rotation expanding steel tube stake power head by torque with
Plus-pressure is transported to rotation expanding steel tube stake by pile follower bar, realizes the implantation of rotation expanding steel tube stake.Conversely, rotation expanding steel tube pile rotary drilling rig
Also rotation expanding steel tube stake can be extracted from underground, and unloaded to ground.
Compared with prior art, the device have the advantages that it is as follows:
1, it is rotated using power head and lower pressure is applied to the method for press-fitting of rotation expanding steel tube stake by pressurizing device, when drilling
Stake uniform force reduces drilling resistance, while ensure that the verticality of stake by fender pile device.
2, constructed using this device, compared to drop hammer, the hammering steel-pipe pile such as hydraulic hammer and diesel hammer enters underground, noise
It is small.
3, it is constructed using this device, compares filling pile construction, pile is high-efficient.
4, revolve expanding steel tube stake power both sides of head hang an elevator can fast and accurately will rotation expanding steel tube stake carry out lifting with
Disassembly, removes other hanging devices from, improves work efficiency.
5, guiding role is played when rotation expanding steel tube stake bottom belt helical blade drilling, drilling machine speed, indentation ground can be improved
Layer rear screw blade has biggish pressure-bearing surface, can greatly improve carrying and the breakout capacity of stake.
Rotation expanding steel tube pile rotary drilling rig of the invention using traditional base plate of rotary drill rig and mast, to the components such as power head into
, can be by rotation expanding steel tube stake rotation indentation underground after row repacks into, construction process is relatively easy, and efficiency is very high, will not produce
Raw excessive dregs, does not need concrete perfusion, will not generate biggish noise；It is high to revolve expanding steel tube stake intensity itself, construction
When, disturbs bottom small, and indentation back spin expanding steel tube pile crown can greatly improve carrying and the breakout capacity of stake with helical blade, special
Stake and foundation stabilization Shi Yongyu not be built, is a kind of construction method of high-efficiency environment friendly energy-conservation.
Detailed description of the invention
Fig. 1 is the rotary drilling rig structure chart of the prior art；
Fig. 2 is rotation expanding steel tube pile rotary drilling rig structure and construction method schematic diagram of the invention；
Fig. 3 is rotation expanding steel tube pile rotary drilling rig lifting rotation expanding steel tube stake schematic diagram one of the invention；
Fig. 4 is rotation expanding steel tube pile rotary drilling rig lifting rotation expanding steel tube stake schematic diagram two of the invention；
Fig. 5 is rotation expanding steel tube stake power head front view of the invention；
In figure: 1, chassis；2, drilling bucket；3, telescopic drill rod；4, power head；5, mast；6, expanding steel tube stake power head is revolved；7, it send
Stake bar；8, expanding steel tube stake is revolved；9, fender pile device；10, helical blade；11, an elevator is hung；12, a wirerope is hung；13, lockable mechanism；
14, hoisting pressure device；15, slot；16, outer spline.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The structure of currently available technology rotary drilling rig is mounted on the mast 5 on chassis 1, power as shown in Figure 1, including chassis 1
First 4 are mounted on the guide rail of mast 5, and setting connects telescopic drill rod 3 and drilling bucket 2 by wirerope in the One On The Chassis elevator, stretch
Drilling rod 3 is machine locking-type (or friction type) drilling rod.
The rotary drilling rig of the prior art, which carries telescopic drill rod, realizes coagulation cast-in-place pile construction method, it usually needs is crept into
With unload native circulate operation, realize pore-forming, place steel reinforcement cage after measuring by hole depth again and conduit carries out filling concrete pile.It meets
It to soft bottom, also needs to carry out retaining wall in hole with mud, aperture also needs embedded casing, needs to carry out bottom hole scarfing cinder work etc. before perfusion
Deng.Entire work progress is more complicated, at high cost, and each link monitoring needs strictly just to can guarantee the finally quality at bored concrete pile.This
Application is exactly made on the basis of existing rotary drilling rig and being suitably modified, to obtain the application rotation expanding steel tube stake rotation to be protected
Dig drilling machine.
Referring to fig. 2, Fig. 3 and Fig. 4, a kind of rotation expanding steel tube pile rotary drilling rig, including base plate of rotary drill rig 1, mast 5, rotation expansion
Steel-pipe pile power head 6, pile follower bar 7 and rotation expanding steel tube stake 8, rotation expanding steel tube stake power head 6 is mounted on mast 5, and passes through elevator
The drive of pressurizing device 14 can be slided up and down along the guide rail on mast 5, and rotation 6 lower part of expanding steel tube stake power head is equipped with lockable mechanism
13, pile follower bar 7 is cooperated by external spline (not shown) and rotation 6 inside spline (not shown) of expanding steel tube stake power head
Transmit rotary torque；Pile follower bar 7 is axially fixed on rotation 6 revolving body of expanding steel tube stake power head by lockable mechanism 13, transmitting pressurization
With lifting force, the connection rotation expanding steel tube stake 8 of 7 lower part of pile follower bar, transmitting torque, pressurization and lifting force.
The present embodiment rotation expanding steel tube pile rotary drilling rig is transformed on the basis of using traditional rotary drilling rig,
Middle chassis, mast and pressurizing device do not make improvements, directly adopt chassis, mast and the pressurizing device of traditional rotary drilling rig,
This is repeated no more.In the application only need to the components such as power head to traditional rotary drilling rig reequip, and increase suitable with power head
The pile follower bar 7 matched is sling by will revolve expanding steel tube stake from ground and is installed on pile follower bar 7, and rotation expanding steel tube stake power head will return
Torque and plus-pressure are transported to by pile follower bar 7 revolves expanding steel tube stake 8, realizes the indentation of rotation expanding steel tube stake 8, conversely, steel is expanded in rotation
Tubular pole rotary drilling rig also can extract rotation expanding steel tube stake 8 from underground, and be discharged to ground.
Compared to existing technologies, construction process is relatively easy, and efficiency is very high, will not generate excessive dregs, no
Concrete perfusion is needed, biggish noise will not be generated；It is high to revolve expanding steel tube stake intensity itself, when construction bottom is disturbed it is small,
Indentation back spin expanding steel tube pile crown can greatly improve carrying and the breakout capacity of stake with helical blade, especially suitable for building stake with
Foundation stabilization.
It needs exist for illustrating, pressurizing device uses hoisting pressure device 14 in the present embodiment, and pressurize hoist engine
It is mounted on mast 5, the both ends of the pressurization wirerope of coiling are fixed with the bottom end of power head and top respectively on the hoist engine that pressurizes
Connection further respectively has positioned at the bottom end of power head and top on mast 5 and carries out tensioning guiding to the both ends of pressurization wirerope
Sliding, when pressurize hoist engine rotate forward when, pressurize hoist engine on pressurization wirerope drive power head makees on mast 5 above elevator
Dynamic, when the hoist engine that pressurizes inverts, the pressurization wirerope on hoist engine that pressurizes drives power head to make descending motion on mast 5.
Certain pressurizing device can also use oil cylinder pressurizing device, but compare hoisting pressure device, the range ratio of oil cylinder pressurizing device
It is shorter.
Referring to Fig. 5, it is to be understood that in practical applications, for convenience of the installation for revolving expanding steel tube stake, in rotation expanding steel tube stake
The two sides of power head 6, which can also be arranged, hangs an elevator 11.When revolving expanding steel tube stake installation, a steel wire is hung on an elevator 11 using hanging
Rotation expanding steel tube stake 8 is sling from ground and is installed on rotation expanding steel tube pile rotary drilling rig by rope 12, by rotation expanding steel tube stake power
An elevator is hung in both sides of head setting, can fast and accurately rotation expanding steel tube stake be lifted and be dismantled, remove other hanging devices from,
It improves work efficiency.
Referring to Fig. 3 and Fig. 4, as a preferred solution of the present invention, fender pile device 9 can also be set in 5 bottom of mast, protect
The center of stake device 9 is equipped with the guide through hole coaxial with pile follower bar 7.When drilling machine works, rotation expanding steel tube stake is matched across guide through hole,
To be oriented to by guide through hole, the excessive swing of limitation rotation expanding steel tube stake 8 ensure that the verticality of stake installation.
It is understood that be also provided with helical blade 10 in the bottom of rotation expanding steel tube stake 8, when drilling, revolves expanding steel tube stake
The helical blade 10 of 8 bottoms plays guiding role when creeping into, and drilling machine speed can be improved.Be pressed into stratum rear screw blade have compared with
Big pressure-bearing surface can greatly improve carrying and the breakout capacity of stake.
It should be noted that giving a kind of specific structure of lockable mechanism in the present embodiment: the periphery on pile follower bar
Wall is equipped with indent lateral slot 15, and the extending direction of slot 15 and the axis of pile follower bar are to vertical and non-intersecting, lockable mechanism
13 include the keypad that can be matched in insertion slot 15, and the revolving body bottom of power head 6 is equipped with the channel slided for keypad, works as needs
To pile follower bar with respect to power head axial direction carry out position locking when, by by keypad it is laterally inserted send dress bar slot 15
In, and position of the keypad in sliding slot is carried out by position locking by locking bolt, locking can be axially carried out to pile follower bar, because
Keypad is fixed on the revolving body of power head, and internal spline is arranged on the inner wall of revolving body, when the driving mechanism in power head
When driving revolving body movement, power is transferred to by internal spline and send dress bar by revolving body, send dress bar because of the limitation of keypad, only
Rotary motion can be acted as with revolving body one, and cannot moved axially, when needing to remove pile follower bar 7, it is only necessary to extract keypad, i.e.,
Pile follower bar 7 can be extracted out out of power head.
Preferably, slot 15 can be set multiple, and axial in a row uniformly distributed along pile follower bar 7, and every row includes along pile follower bar
The uniformly distributed multiple slots of circumferencial direction carry out flexible modulation so as to the distance to pile follower bar 7 apart from ground, are adapted to not
With the installation of length rotation expanding steel tube stake 8, while it also can reduce the transportation load range request of pressurizing device.
Referring to Fig. 3 and Fig. 4, the bottom end internal perisporium of pile follower bar 7 is equipped with interior spline (not shown), revolves expanding steel tube stake 8
Top outer wall be equipped with the outer spline 16 that is adapted to interior spline.When spinning or pile pulling, pile follower is inserted by the way that expanding steel tube stake 8 will be revolved
In 7 bottom mounting apertures of bar, outer spline 16 is inserted into interior spline, the transmitting of torque can be realized.Certainly it revolves expanding steel tube stake 8 and send
The connection of the bottom end of stake bar 7, can also be using fixed structures such as other chucks, and details are not described herein.
Referring to Fig. 3, Fig. 4 and Fig. 5, the specific mistake of rotation stake operation is carried out using above-described embodiment rotation expanding steel tube pile rotary drilling rig
Journey is as follows:
S1: rotation expanding steel tube stake power head 6 is moved to the top of mast 5 by starting drilling machine, and by locking mechanism to mast 5
Axial lock, then transfer that two sides hang an elevator 11 hang a wirerope 12, connect rotation expanding steel tube stake 8 with suspender and hang a wirerope
12, it slowly slings rotation expanding steel tube stake 8 and is put into fender pile device 9, the promotion of a wirerope 12 and decentralization are hung in adjustment two sides makes rotation expand steel
Tubular pole 8 is vertical, then promoting two sides hangs a wirerope simultaneously, and the rotation outer spline of expanding steel tube stake 8 is inserted into 7 internal keyway of pile follower bar.
S2: mobile drill to stake position, driving rotation expanding steel tube stake power head 6 turn round, and drive rotation expanding steel tube stake by pile follower bar 7
8 rotate and give by pressurizing device downward pressure, and rotation expanding steel tube stake 8 enters underground, until reaching stake depth design requirement.
When carrying out pile pulling operation, rotation expanding steel tube stake power head 6 is moved down, makes the connection rotation expanding steel tube stake 8 of 7 internal keyway of pile follower bar
Outer spline reversely rotates rotation expanding steel tube stake power head 6 and applies upward promotion power, until rotation expanding steel tube stake 8 extracts ground completely
Face finally will revolve the decentralization of expanding steel tube stake 8 to ground using hanging an elevator 11.
In work, the excessive swing of expanding steel tube stake 8 is revolved in the limitation of fender pile device 9 under mast 5, ensure that the vertical of stake
Degree plays guiding role when the helical blade 10 of rotation 8 bottom of expanding steel tube stake is crept into when drilling, drilling machine speed can be improved, is pressed into
Stratum rear screw blade has biggish pressure-bearing surface, can greatly improve carrying and the breakout capacity of stake.
Above-described embodiment is only to clearly demonstrate examples made by the present invention, rather than the restriction to embodiment.For
For those of ordinary skill in the art, other various forms of variations or change can also be made on the basis of the above description
It is dynamic.Here without can not be also exhaustive to all embodiments.And the obvious variation or change thus amplified out
It is dynamic to be still in the protection scope of this invention.
Claims (10)
1. a kind of rotation expanding steel tube pile rotary drilling rig characterized by comprising
Chassis which is provided with mast；
Expanding steel tube stake power head is revolved, is mounted on the mast, and can be glided on the mast by the drive of pressurizing device
It is dynamic；
Pile follower bar, upper end are fixedly mounted on the power head, and the band movement rotary motion for passing through power head；Lower end is that rotation is expanded
Steel-pipe pile connecting pin.
2. rotary drilling rig according to claim 1, it is characterised in that: the pile follower bar passes through external spline and the power
Rotary torque is transmitted in the inside spline cooperation of head, and pile follower bar is axially fixed in the revolving body of power head by lockable mechanism
On.
3. rotary drilling rig according to claim 2, it is characterised in that: the periphery wall of the pile follower bar is equipped with slot, institute
The extending direction for stating slot is vertical with the axis of the pile follower bar, and the lockable mechanism includes that can match in the insertion slot
Keypad.
4. rotary drilling rig according to claim 3, it is characterised in that: the slot is in a row along pile follower rod axis direction
Arrangement, every row includes the multiple slots uniformly distributed along the pile follower bar circumferencial direction.
5. rotary drilling rig according to claim 1, it is characterised in that: the bottom of the mast is additionally provided with and the pile follower bar
Coaxial fender pile device, the fender pile device are equipped with the guide through hole being adapted to the rotation expanding steel tube stake.
6. rotary drilling rig according to claim 1, it is characterised in that: the bottom end internal perisporium of the pile follower bar is equipped with internal key
The top outer wall of item, the rotation expanding steel tube stake is equipped with the outer spline being adapted to the interior spline.
7. rotation expanding steel tube pile rotary drilling rig according to claim 1, it is characterised in that: rotation expanding steel tube stake bottom is equipped with
Helical blade.
8. rotation expanding steel tube pile rotary drilling rig according to claim 1, it is characterised in that: the pressurizing device is elevator pressurization
Device.
9. rotary drilling rig according to claim 1-8, it is characterised in that: the shell two sides of the power head are also set
Have and hangs an elevator for lifting the rotation expanding steel tube stake.
10. a kind of rotation expanding steel tube pile rotary drilling rig construction method, using rotary drilling rig as claimed in claim 9, it is characterised in that:
It will revolve expanding steel tube stake using the wirerope hung on an elevator and sling and be installed to from ground and revolve on expanding steel tube pile rotary drilling rig,
Rotary torque and plus-pressure are transported to rotation expanding steel tube stake by pile follower bar by rotation expanding steel tube stake power head, realize rotation expanding steel tube stake
Indentation；Conversely, rotation expanding steel tube pile rotary drilling rig also can extract rotation expanding steel tube stake from underground, and it is discharged to ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910776865.XA CN110359446A (en) | 2019-08-22 | 2019-08-22 | Revolve expanding steel tube pile rotary drilling rig and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910776865.XA CN110359446A (en) | 2019-08-22 | 2019-08-22 | Revolve expanding steel tube pile rotary drilling rig and its construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110359446A true CN110359446A (en) | 2019-10-22 |
Family
ID=68225343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910776865.XA Pending CN110359446A (en) | 2019-08-22 | 2019-08-22 | Revolve expanding steel tube pile rotary drilling rig and its construction method |
Country Status (1)
| Country | Link |
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| CN (1) | CN110359446A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135219A (en) * | 2021-09-09 | 2022-03-04 | 上海中联重科桩工机械有限公司 | Rotary drilling rig |
| CN116335134A (en) * | 2023-02-23 | 2023-06-27 | 中建八局第三建设有限公司 | Construction method of soft and rigid composite pile |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU580273A1 (en) * | 1975-06-16 | 1977-11-15 | Производственный и научно-исследовательский институт по инженерным изысканиям в строительстве | Probing unit |
| RU1791543C (en) * | 1990-01-15 | 1993-01-30 | Проектно-Конструкторский И Технологический Институт "Нефтегазспецмонтажпроект" | Tool for boring pile and anchor sinking device |
| JP2005256431A (en) * | 2004-03-11 | 2005-09-22 | Fumio Kinoshita | Method and apparatus for pitching screw pile |
| CN210946790U (en) * | 2019-08-22 | 2020-07-07 | 山河智能装备股份有限公司 | Rotary drilling rig for rotary-expanding steel pipe pile |
-
2019
- 2019-08-22 CN CN201910776865.XA patent/CN110359446A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU580273A1 (en) * | 1975-06-16 | 1977-11-15 | Производственный и научно-исследовательский институт по инженерным изысканиям в строительстве | Probing unit |
| RU1791543C (en) * | 1990-01-15 | 1993-01-30 | Проектно-Конструкторский И Технологический Институт "Нефтегазспецмонтажпроект" | Tool for boring pile and anchor sinking device |
| JP2005256431A (en) * | 2004-03-11 | 2005-09-22 | Fumio Kinoshita | Method and apparatus for pitching screw pile |
| CN210946790U (en) * | 2019-08-22 | 2020-07-07 | 山河智能装备股份有限公司 | Rotary drilling rig for rotary-expanding steel pipe pile |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135219A (en) * | 2021-09-09 | 2022-03-04 | 上海中联重科桩工机械有限公司 | Rotary drilling rig |
| CN116335134A (en) * | 2023-02-23 | 2023-06-27 | 中建八局第三建设有限公司 | Construction method of soft and rigid composite pile |
| CN116335134B (en) * | 2023-02-23 | 2023-09-19 | 中建八局第三建设有限公司 | Construction method of soft and rigid composite pile |
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