CN108797592A - A kind of Two bors d's oeuveres channel steel applied to building structure pile foundation assists pile pulling device - Google Patents
A kind of Two bors d's oeuveres channel steel applied to building structure pile foundation assists pile pulling device Download PDFInfo
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- CN108797592A CN108797592A CN201810691370.2A CN201810691370A CN108797592A CN 108797592 A CN108797592 A CN 108797592A CN 201810691370 A CN201810691370 A CN 201810691370A CN 108797592 A CN108797592 A CN 108797592A
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- channel steel
- bors
- pile
- oeuveres
- building structure
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D9/00—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof
- E02D9/02—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof by withdrawing
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The present invention proposes that a kind of Two bors d's oeuveres channel steel applied to building structure pile foundation assists pile pulling device, including：A whole set of vibration hammer equipment and hydraulically operated fixture, and the Two bors d's oeuveres channel steel for assisting pile pulling；The Two bors d's oeuveres channel steel inside and outside wall is fixedly installed protrusion, and the edge of a wing of the single channel steel is arranged at intervals with bolt hole, and the Two bors d's oeuveres channel steel is attached by bolt.The present invention has developed a kind of Two bors d's oeuveres channel steel auxiliary pile pulling device applied to building structure pile foundation on the basis of existing pile pulling technology and method, for its defect, and core technology is the active pin that channel steel bottom can be rotated along shaft.The Two bors d's oeuveres channel steel auxiliary pile pulling device for being applied to building structure pile foundation can sink in channel steel, pile pulling during environmental protection, efficiently pull out various pile-type, and cost is relatively low, does not stay security risk.
Description
Technical field
The invention belongs to construction equipment technical fields, are related to the pile foundation of building structure, more particularly to setting for pile pulling
It is standby, it is mainly used for pulling out old stake in original ground, including the pile-type such as driven pile, in situ pile, static pressed pile, specially one
Kind assists pile pulling device applied to the Two bors d's oeuveres channel steel of building structure pile foundation.
Background technology
Since the new century, with the deep propulsion of urbanization process, town site is more and more nervous, therefore adds
The transformation of the buildings such as old town danger aging blocks room is removed soon, expands the utilization of the underground space, has become a kind of certainty
Trend.In the structure foundations foundation constructions such as old town danger aging blocks room are removed in transformation, it is necessary to old to old stake in original ground
Basis is pulled out, and development & construction then can be just re-started.
Percussion and grabbing method is mainly used for pulling out for old stake at present, hangs method, full-rotating drill pile pulling method and bath pile pulling method by force
Equal several methods.Percussion and grabbing method noise is big, long in time limit；The strong method of hanging is easy to pull off, and can not thoroughly pull out old stake, be left to subsequent construction
Security risk；Full-rotating drill pile pulling method equipment price costliness, low construction efficiency；Although bath method construction cost is relatively low, efficiency
Height, but due to there is a large amount of mud contamination, is easy to make old stake holes that can not backfill closely knit, influences subsequent development utilization.
Invention content
What is provided the purpose of the present invention is the deficiency for above-mentioned pile extracting method is a kind of applied to building structure pile foundation
Two bors d's oeuveres channel steel assists pile pulling device.
In order to achieve the above object, the present invention proposes that a kind of Two bors d's oeuveres channel steel auxiliary pile pulling applied to building structure pile foundation is set
It is standby, including：
A whole set of vibration hammer equipment and hydraulically operated fixture, and the Two bors d's oeuveres channel steel for assisting pile pulling；
The Two bors d's oeuveres channel steel inside and outside wall is fixedly installed protrusion, and the edge of a wing of the single channel steel is arranged at intervals with bolt hole,
The Two bors d's oeuveres channel steel is attached by bolt.
Further, the Two bors d's oeuveres channel steel bottom is provided with 2 rotatable active pins simultaneously, and described active pin one end, which is used, to be turned
Axis is welded on channel steel web inner wall, and the other end is up-side down triangle section free end.
Further, channel steel inner wall is close to always in extruding of the active pin because of Pile side soil body during channel steel vibration-sunk
And be closed, after channel steel, which is sunk down into, requires depth, promoting channel steel by hydraulically operated fixture starts pile pulling, rises in channel steel
In the process, up-side down triangle section in active pin free end along fixing end shaft slides down to horizontal position because of Pile side soil body frictional force,
Active pin is in the open state at this time, after channel steel is promoted to earth's surface, pile body is taken out at the top of channel steel, manually closes active pin.
Further, the fixed protrusion rounds along channel steel inside and outside wall, and section is half elliptic.
Further, the long axis of the convex cross section half elliptic is 10cm, semi-minor axis 2cm, and protrusion is arranged every 2m
Together.
Further, multigroup oval hole is additionally provided on the channel steel wall.
Further, each group of pore quantity is 8, and 4, wherein each 1 of the edge of a wing, web 2 is arranged in single channel steel
A, each ellipse hole long axis is 10cm, short axle 4cm.
Further, the same group of hole height of holes is identical, and is evenly arranged among twice protrusion, described hole edge
Channel steel short transverse is arranged one group every 2m
Further, the channel steel diameter is bigger 20~50cm than stake diameter to be pulled out.
Further, the channel steel embedded depth 2 times of stake diameter bigger than pile body length.
Advantages and features of the invention：
The present invention has developed a kind of applied to building structure on the basis of existing pile pulling technology and method for its defect
It is the active pin that channel steel bottom can be rotated along shaft that the Two bors d's oeuveres channel steel of pile foundation, which assists pile pulling device, core technology,.It should be applied to building
Structure pile foundation Two bors d's oeuveres channel steel auxiliary pile pulling device can channel steel sink, pile pulling during environmental protection, efficiently pull out various stakes
Type, and cost is relatively low, does not stay security risk.
The active pin is closed during channel steel vibration-sunk, and in channel steel uphill process, active pin is free
End slides down to horizontal position and in the open state automatically, and active pin, which is closed, opens without being controlled by other supplementary modes,
Whole process efficient quick.
The fixed lobe being arranged on the channel steel inside and outside wall can outside be native in extruded channel in channel steel sinking watching
Body, the soil body and channel steel inside and outside wall distance itself of extruding increase so that and the frictional force of channel steel inside and outside wall and the soil body greatly reduces, from
And pile pulling power is reduced, substantially increase pile pulling efficiency.
The multigroup oval hole being arranged on the channel steel wall can sink in channel steel and prevent in uphill process
Vacuum suction acts on, and to reduce pile pulling power, improves pile pulling efficiency.
Description of the drawings
Fig. 1 is Two bors d's oeuveres channel steel structural schematic diagram.
Fig. 2 is Two bors d's oeuveres channel steel and waits for pile pulling combination diagram.
Fig. 3 is the channel steel and wait for pile pulling combination diagram that active pin is closed.
Fig. 4 is that active pin is in the channel steel of open state and waits for pile pulling combination diagram.
Fig. 5 is the channel steel bottom plan view that active pin is closed.
Fig. 6 is the channel steel bottom plan view that active pin is in open state.
Fig. 7 is the sectional detail drawing that active pin is closed.
Fig. 8 is the detailed side view that active pin is closed.
Fig. 9 is the sectional detail drawing that active pin is in open state.
Figure 10 is the detailed side view that active pin is in open state.
Figure 11 sinks for channel steel, and active pin is in the process schematic of pile pulling body in open state.
Specific implementation mode
The specific implementation mode of the present invention is provided below in conjunction with attached drawing, but the present invention is not limited to the following embodiments and the accompanying drawings.Root
According to following explanation and claims, advantages and features of the invention will become apparent from.It should be noted that attached drawing be all made of it is very simple
The form of change and use non-accurate ratio, be only used for conveniently, lucidly aid in illustrating the embodiment of the present invention purpose.
It please refers to Fig.1 and Fig. 2, Fig. 1 is Two bors d's oeuveres channel steel structural schematic diagram.Fig. 2 is that Two bors d's oeuveres channel steel combines signal with pile pulling is waited for
Figure.The present invention proposes that a kind of Two bors d's oeuveres channel steel applied to building structure pile foundation assists pile pulling device, including：A whole set of vibration hammer equipment
And hydraulically operated fixture, and the Two bors d's oeuveres channel steel 01 for assisting pile pulling；01 inside and outside wall of Two bors d's oeuveres channel steel is fixedly installed protrusion 11,
The edge of a wing of the single channel steel is arranged at intervals with bolt hole 12, and the Two bors d's oeuveres channel steel 01 is attached by bolt.
Two bors d's oeuveres channel steel provided by the invention applied to building structure pile foundation assists pile pulling device, including compares in the prior art
More ripe a whole set of vibration hammer equipment and hydraulically operated fixture and a Two bors d's oeuveres channel steel (Two bors d's oeuveres channel steel 01) for assisting pile pulling.Institute
The channel steel inside and outside wall stated is fixedly installed protrusion (protrusion 11).Multigroup oval hole is additionally provided on the channel steel wall.Institute
A bolt hole (bolt hole 12) is arranged every 1m in the single channel steel edge of a wing stated, and Two bors d's oeuveres channel steel is connected by plain bolt.Specific choosing
Which kind of with the channel steel of specification, long, stake diameter and geological conditions need to flexibly be selected according to the stake of institute's pile pulling 31.A whole set of vibration hammer is set
It is not introduced in standby and hydraulically operated fixture this specification.Hydraulically operated fixture is mainly used to clamp at the top of channel steel so that it can up and down
It moves freely.
The Two bors d's oeuveres channel steel bottom is provided with 2 rotatable active pins (active pin 41) simultaneously.Active pin one end shaft
51 are welded on channel steel web inner wall, and the other end is up-side down triangle section free end.The active pin is in channel steel vibration-sunk process
It is middle to be closed because channel steel inner wall is close in the extruding of Pile side soil body always.After channel steel, which is sunk down into, requires depth, pass through
Hydraulically operated fixture promotes channel steel and starts pile pulling, and in channel steel uphill process, active pin free end up-side down triangle section is rubbed because of Pile side soil body
It wipes power and slides down to horizontal position along fixing end shaft, active pin is in the open state at this time.It, will after channel steel is promoted to earth's surface
Pile body takes out at the top of channel steel, manually closes active pin.
The fixed lobe rounds along channel steel inside and outside wall, and section is half elliptic, long axis 10cm, and semi-minor axis is
2cm, protrusion is every one of 2m settings.
Multigroup oval hole 21 is additionally provided on the channel steel wall, one group of pore quantity is 8, single channel steel setting
4, wherein each 1 of the edge of a wing, web 2.Each ellipse hole long axis is 10cm, short axle 4cm.Same group of hole height of holes phase
Together, and among twice protrusion it is evenly arranged, i.e., is arranged one group every 2m along channel steel short transverse.
The channel steel height is bigger 20~50cm than stake diameter to be pulled out, and channel steel embedded depth is 2 times bigger than pile body length
Stake diameter.
Fig. 3 sinks for channel steel 02.
Fig. 4 is pile pulling body 31 on channel steel 02, and active pin 41 is in open state at this time, and pile body weight transfer is to active pin 41, so
Channel steel 02 is passed to by active pin 41 afterwards.
Fig. 5, Fig. 7, Fig. 8 are the channel steel 02 that active pin 41 is closed.
Fig. 6, Fig. 9, Figure 10 are the channel steel 02 that active pin 41 is in open state.
Figure 11 is the process that channel steel sinking pile body is pulled out.
Process 1：Excavate stake top earthing, exposes stake top.Long, stake diameter, geological conditions according to stake, flexibly select channel steel specification.
Channel steel is clamped using vibration hammer and hydraulically operated fixture, channel steel center is made to be directed at pile center, Vibration on Start-up hammer shakes by stake top
Channel steel sinks.
Process 2：Channel steel side vibrations edge pile body direction sinking, at this time active pin during channel steel vibration-sunk because of stake side
The extruding of the soil body is close to always channel steel inner wall and is closed, if it find that channel steel has, skewness is serious, then adjusts at any time
Whole tup direction.
Process 3：When channel steel embedded depth 2 times of stake diameter bigger than pile body length, stop sinking, pile body is complete by channel steel at this time
It encases entirely.It keeps in situ constant, fully shakes certain time, so that fixed lobe is cut pile peripheral earth by shaking channel steel so that
The side friction of the inside and outside wall of channel steel and stake end and the cohesive force of supporting course soil greatly reduce.
Process 4：Channel steel is promoted by hydraulically operated fixture and starts pile pulling, and in channel steel along the uphill process of pile body direction, active pin is certainly
By end up-side down triangle section because Pile side soil body frictional force along fixing end shaft slides down to horizontal position, active pin is in and beats at this time
Open state.Pile body and the soil body dead weight being attached on pile body are born jointly by active pin and channel steel.
Process 5：On when pulling out channel steel, channel steel and pile body are above pulled out together to earth's surface.
Process 6：Pile body is taken out at the top of channel steel, manually closes active pin, stake holes is backfilled and tamps, pile pulling terminates.
In conclusion the present invention has developed a kind of application on the basis of existing pile pulling technology and method, for its defect
It is the active pin that channel steel bottom can be rotated along shaft to assist pile pulling device, core technology in the Two bors d's oeuveres channel steel of building structure pile foundation.It should
Applied to building structure pile foundation Two bors d's oeuveres channel steel auxiliary pile pulling device can channel steel sink, pile pulling during environmental protection, efficiently
Various pile-type are pulled out, and cost is relatively low, does not stay security risk.
The active pin is closed during channel steel vibration-sunk, and in channel steel uphill process, active pin is free
End slides down to horizontal position and in the open state automatically, and active pin, which is closed, opens without being controlled by other supplementary modes,
Whole process efficient quick.The fixed lobe being arranged on the channel steel inside and outside wall can in channel steel sinking watching extruded channel
The interior outside soil body, the soil body and channel steel inside and outside wall distance itself of extruding increase so that the frictional force of channel steel inside and outside wall and the soil body is big
It is big to reduce, to reduce pile pulling power, substantially increase pile pulling efficiency.The multigroup oval hole being arranged on the channel steel wall
It can sink in channel steel and prevent vacuum suction effect in uphill process, to reduce pile pulling power, improve pile pulling efficiency.
Although the present invention has been disclosed as a preferred embodiment, however, it is not to limit the invention.Skill belonging to the present invention
Has usually intellectual in art field, without departing from the spirit and scope of the present invention, when can be used for a variety of modifications and variations.Cause
This, the scope of protection of the present invention is defined by those of the claims.
Claims (10)
1. a kind of Two bors d's oeuveres channel steel applied to building structure pile foundation assists pile pulling device, which is characterized in that including：
A whole set of vibration hammer equipment and hydraulically operated fixture, and the Two bors d's oeuveres channel steel for assisting pile pulling；
The Two bors d's oeuveres channel steel inside and outside wall is fixedly installed protrusion, and the edge of a wing of the single channel steel is arranged at intervals with bolt hole, described
Two bors d's oeuveres channel steel is attached by bolt.
2. the Two bors d's oeuveres channel steel according to claim 1 applied to building structure pile foundation assists pile pulling device, which is characterized in that
The Two bors d's oeuveres channel steel bottom is provided with 2 rotatable active pins simultaneously, and described active pin one end is welded on channel steel web with shaft
Inner wall, the other end are up-side down triangle section free end.
3. the Two bors d's oeuveres channel steel according to claim 2 applied to building structure pile foundation assists pile pulling device, which is characterized in that
The active pin is closed during channel steel vibration-sunk because channel steel inner wall is close in the extruding of Pile side soil body always, when
Channel steel is sunk down into require depth after, by hydraulically operated fixture promoted channel steel start pile pulling, in channel steel uphill process, active pin free end
Up-side down triangle section is because Pile side soil body frictional force along fixing end shaft slides down to horizontal position, and active pin is in open shape at this time
Pile body is taken out at the top of channel steel after channel steel is promoted to earth's surface, manually closes active pin by state.
4. the Two bors d's oeuveres channel steel according to claim 1 applied to building structure pile foundation assists pile pulling device, which is characterized in that
The fixed protrusion rounds along channel steel inside and outside wall, and section is half elliptic.
5. the Two bors d's oeuveres channel steel according to claim 4 applied to building structure pile foundation assists pile pulling device, which is characterized in that
The long axis of the convex cross section half elliptic is 10cm, semi-minor axis 2cm, and protrusion is every one of 2m settings.
6. the Two bors d's oeuveres channel steel according to claim 1 applied to building structure pile foundation assists pile pulling device, which is characterized in that
Multigroup oval hole is additionally provided on the channel steel wall.
7. the Two bors d's oeuveres channel steel according to claim 6 applied to building structure pile foundation assists pile pulling device, which is characterized in that
The each group of pore quantity is 8, and 4, wherein each 1 of the edge of a wing, web 2, each ellipse hole is arranged in single channel steel
Long axis is 10cm, short axle 4cm.
8. the Two bors d's oeuveres channel steel according to claim 6 applied to building structure pile foundation assists pile pulling device, which is characterized in that
The same group of hole height of holes is identical, and is evenly arranged positioned at twice protrusion is intermediate, described hole along channel steel short transverse every
2m is arranged one group.
9. the Two bors d's oeuveres channel steel according to claim 1 applied to building structure pile foundation assists pile pulling device, which is characterized in that
The channel steel height is bigger 20~50cm than stake diameter to be pulled out.
10. the Two bors d's oeuveres channel steel according to claim 1 applied to building structure pile foundation assists pile pulling device, feature to exist
In channel steel embedded depth 2 times of the stake diameter bigger than pile body length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810691370.2A CN108797592A (en) | 2018-06-28 | 2018-06-28 | A kind of Two bors d's oeuveres channel steel applied to building structure pile foundation assists pile pulling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810691370.2A CN108797592A (en) | 2018-06-28 | 2018-06-28 | A kind of Two bors d's oeuveres channel steel applied to building structure pile foundation assists pile pulling device |
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| Publication Number | Publication Date |
|---|---|
| CN108797592A true CN108797592A (en) | 2018-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810691370.2A Withdrawn CN108797592A (en) | 2018-06-28 | 2018-06-28 | A kind of Two bors d's oeuveres channel steel applied to building structure pile foundation assists pile pulling device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11172674A (en) * | 1997-12-15 | 1999-06-29 | Maeda Corp | Pile extraction jig and pile extraction method |
| CN203270577U (en) * | 2013-06-05 | 2013-11-06 | 中铁四局集团有限公司 | Underground pile foundation pulling device with door plate clamp |
| CN204298820U (en) * | 2014-11-17 | 2015-04-29 | 天津市勘察院 | A kind of single sleeve pile pulling device |
| CN107338794A (en) * | 2016-12-26 | 2017-11-10 | 上海宝力通基础工程有限公司 | Static pile press pile pulling steel sleeve and pile extracting method |
| CN206986892U (en) * | 2017-05-05 | 2018-02-09 | 上海易谦岩土工程有限公司 | Detain tubular type pile extractor |
| CN208668416U (en) * | 2018-06-28 | 2019-03-29 | 中交上海航道局有限公司 | A kind of Two bors d's oeuveres channel steel auxiliary pile pulling device |
-
2018
- 2018-06-28 CN CN201810691370.2A patent/CN108797592A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11172674A (en) * | 1997-12-15 | 1999-06-29 | Maeda Corp | Pile extraction jig and pile extraction method |
| CN203270577U (en) * | 2013-06-05 | 2013-11-06 | 中铁四局集团有限公司 | Underground pile foundation pulling device with door plate clamp |
| CN204298820U (en) * | 2014-11-17 | 2015-04-29 | 天津市勘察院 | A kind of single sleeve pile pulling device |
| CN107338794A (en) * | 2016-12-26 | 2017-11-10 | 上海宝力通基础工程有限公司 | Static pile press pile pulling steel sleeve and pile extracting method |
| CN206986892U (en) * | 2017-05-05 | 2018-02-09 | 上海易谦岩土工程有限公司 | Detain tubular type pile extractor |
| CN208668416U (en) * | 2018-06-28 | 2019-03-29 | 中交上海航道局有限公司 | A kind of Two bors d's oeuveres channel steel auxiliary pile pulling device |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181113 |
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| WW01 | Invention patent application withdrawn after publication |