CN108842773A - A kind of single sleeve auxiliary pile pulling device applied to building structure pile foundation - Google Patents
A kind of single sleeve auxiliary pile pulling device applied to building structure pile foundation Download PDFInfo
- Publication number
- CN108842773A CN108842773A CN201810691369.XA CN201810691369A CN108842773A CN 108842773 A CN108842773 A CN 108842773A CN 201810691369 A CN201810691369 A CN 201810691369A CN 108842773 A CN108842773 A CN 108842773A
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- China
- Prior art keywords
- sleeve
- pile
- building structure
- pulling device
- pile pulling
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- 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.)
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Classifications
-
- 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
-
- 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
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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 single sleeve applied to building structure pile foundation assists pile pulling device, including：A whole set of vibration hammer equipment, hydraulically operated fixture and one are for assisting the cylindrical sleeve of pile pulling；The sleeve inside and outside wall is fixedly installed protrusion, and multiple groups ellipse hole is additionally provided in the sleeve wall.The present invention has developed a kind of single sleeve 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 sleeve bottom can be rotated along shaft.Single sleeve auxiliary pile pulling device for being applied to building structure pile foundation can sink under a bushing, pile pulling is environmentally friendly in the process, efficiently pulls out various pile-type for this, 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 stake old in original ground, including the pile-type such as driven pile, in situ pile, static pressed pile, specially one
Single sleeve that kind is applied to building structure pile foundation assists pile pulling device.
Background technique
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 fastly, expands the development and utilization of the underground space, has become a kind of certainty
Trend.It is removed in the structure foundations foundation constructions such as old town danger aging blocks room 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.
Method of mainly being hung using percussion and grabbing method, by force, full-rotating drill pile pulling method and bath pile pulling method are pulled out for old stake at present
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, leave to subsequent construction
Security risk；Full-rotating drill pile pulling method equipment price is expensive, construction efficiency is low；Although bath method construction cost is lower, efficiency
Height, but due to there is a large amount of mud contamination, is easy to backfill old stake holes can not closely knit, influences subsequent development utilization.
Summary of the invention
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
Single sleeve assists pile pulling device.
In order to achieve the above object, the present invention proposes that a kind of single sleeve auxiliary pile pulling applied to building structure pile foundation is set
It is standby, including：
A whole set of vibration hammer equipment, hydraulically operated fixture and one are for assisting the cylindrical sleeve of pile pulling；
The sleeve inside and outside wall is fixedly installed protrusion, and multiple groups ellipse hole is additionally provided in the sleeve wall.
Further, the cylindrical sleeve bottom is provided with multiple rotatable active pins simultaneously.
Further, the described active pin one end is welded on sleeve lining with shaft, and the other end is that up-side down triangle section is free
End.
Further, the active pin is during sleeve vibration-sunk because sleeve lining is close to always in the extruding of Pile side soil body
And be in close state, after sleeve, which is sunk down into, requires depth, promoting sleeve by hydraulically operated fixture starts pile pulling, rises in sleeve
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 sleeve is promoted to earth's surface, pile body is taken out at the top of sleeve, manually closes active pin.
Further, the quantity of the active pin is 8.
Further, the fixed lobe rounds along sleeve inside and outside wall, and section is half elliptic.
Further, the half elliptic cross section long axis of the fixed lobe is 10cm, semi-minor axis 2cm, and protrusion is every 2m
Setting is together.
Further, multiple groups ellipse hole is provided in the sleeve wall, each ellipse hole long axis is 10cm, short
Axis is 4cm.
Further, every group of ellipse pore quantity is 8, and same group of hole height of holes is identical, and it is convex to be located at twice
It is evenly arranged among rising, i.e., is arranged one group every 2m along sleeve height direction.
Further, the sleeve diameter is 20~50cm bigger than stake diameter to be pulled out.
Further, the sleeve 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
Single sleeve of pile foundation assists pile pulling device, and core technology is the active pin that sleeve bottom can be rotated along shaft.It should be applied to building knot
Single sleeve auxiliary pile pulling device of structure pile foundation can sink under a bushing, pile pulling is environmentally friendly in the process, efficiently pulls out various pile-type, and
Cost is relatively low, does not stay security risk.
The active pin is in close state during sleeve vibration-sunk, and in sleeve 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 sleeve inside and outside wall squeezes side soil inside and outside sleeve during can sinking under a bushing
Body separates the soil body and sleeve itself, so that the frictional force of sleeve inside and outside wall and the soil body greatly reduces, pulls out to reduce
Stake power, substantially increases pile pulling efficiency.
The multiple groups ellipse hole being arranged in the sleeve wall can sink under a bushing and prevent in uphill process
Vacuum suction effect improves pile pulling efficiency to reduce pile pulling power.
Detailed description of the invention
Fig. 1 is the ordinary cartridge schematic diagram with fixed lobe and oval hole.
Fig. 2 is for ordinary cartridge and to pile pulling combination diagram.
Fig. 3 be the sleeve that is in close state of active pin with to pile pulling combination diagram.
Fig. 4 is for active pin sleeve in the open state and to pile pulling combination diagram.
Fig. 5 is the sleeve bottom top view that active pin is in close state.
Fig. 6 is active pin sleeve bottom top view in the open state.
Fig. 7 is the sectional detail drawing that active pin is in close state.
Fig. 8 is the detailed side view that active pin is in close state.
Fig. 9 is active pin sectional detail drawing in the open state.
Figure 10 is active pin detailed side view in the open state.
Figure 11 is sleeve sinking, the process schematic of active pin upper pile pulling body in the open state.
Specific embodiment
A specific embodiment of the 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 be 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.
Fig. 1 and Fig. 2 are please referred to, Fig. 1 is the ordinary cartridge schematic diagram with fixed lobe and oval hole.Fig. 2 is general
Lead to sleeve and to pile pulling combination diagram.The present invention proposes that a kind of single sleeve auxiliary pile pulling applied to building structure pile foundation is set
It is standby, including：A whole set of vibration hammer equipment, hydraulically operated fixture and one are for assisting the cylindrical sleeve 01 of pile pulling；The sleeve 01
Inside and outside wall is fixedly installed protrusion 11, is additionally provided with multiple groups ellipse hole 21 in the sleeve wall.
Single sleeve provided by the invention applied to building structure pile foundation assists pile pulling device, including compares in the prior art
Mature a whole set of vibration hammer equipment and hydraulically operated fixture and one are for assisting the cylindrical sleeve (sleeve 01) of pile pulling.Described
Sleeve inside and outside wall is fixedly installed protrusion (protrusion 11).Multiple groups ellipse hole 21 is additionally provided in the sleeve wall.Specifically
Select the sleeve of which kind of specification, need to according to the stake of institute's pile pulling 31 long, stake diameter and geological conditions come flexible choice.Bush material can
To be made by rigid materials such as stainless steels.It is not introduced in a whole set of vibration hammer equipment and hydraulically operated fixture this specification.Hydraulically operated fixture
It is mainly used to clamp at the top of sleeve, allows to move freely up and down.
The cylindrical sleeve bottom is provided with 8 rotatable active pins (active pin 41) simultaneously.It uses 41 one end of active pin
Shaft 51 is welded on 01 inner wall of sleeve, and the other end is up-side down triangle section free end.The active pin 41 is under the vibration of sleeve 01
During heavy because the extruding of Pile side soil body be close to always sleeve 01 inner wall due to be in close state.When sleeve 01 sinks down into requirement deeply
After degree, sleeve 01 is promoted by hydraulically operated fixture and starts pile pulling, in 01 uphill process of sleeve, 41 free end up-side down triangle of active pin is cut
Face is because Pile side soil body frictional force along fixing end shaft slides down to horizontal position, and active pin 41 is in the open state at this time.Work as set
After cylinder 01 is promoted to earth's surface, pile body is taken out at the top of sleeve 01, manually closes active pin 41.
The fixed lobe 11 rounds along 01 inside and outside wall of sleeve, and section is half elliptic, long axis 10cm, short by half
Axis is 2cm, and protrusion 11 is every one of 2m setting.
Multiple groups ellipse hole 21 is additionally provided in the sleeve wall, one group of pore quantity is 8.Each slotted eye
21 long axis of hole is 10cm, short axle 4cm.Same group of hole height of holes is identical, and is located among twice protrusion 11 and is evenly arranged, i.e. edge
Sleeve height direction is arranged one group every 2m.
01 diameter of sleeve is 20~50cm bigger than 31 diameter of stake to be pulled out, and sleeve embedded depth is bigger than pile body length
2 times of stake diameter.
Fig. 3 is the sinking of sleeve 02.
Fig. 4 is pile pulling body 31 on sleeve 02, and active pin 41 is in the open state at this time, and pile body weight transfer is to active pin 41, so
Sleeve 02 is passed to by active pin 41 afterwards.
Fig. 5, Fig. 7, Fig. 8 are the sleeve 02 that active pin 41 is in close state.
Fig. 6, Fig. 9, Figure 10 are the sleeve 02 in the open state of active pin 41.
Figure 11 is the process that sleeve sinking pile body is pulled out.
Process 1：Excavate stake top earthing, exposes stake top.Long, stake diameter, geological conditions, flexible choice compliant sleeve according to stake.
Sleeve is clamped using vibration hammer and hydraulically operated fixture, bushing core is made to be directed at pile center, starts vibration hammer, is shaken by stake top
Sleeve sinks.
Process 2：Sleeve side shake edge pile body direction sink, active pin is during sleeve vibration-sunk because of stake side at this time
The extruding of the soil body is close to sleeve lining always and is in close state, if it find that sleeve has skewness serious, then adjusts at any time
Whole tup direction.
Process 3：When sleeve embedded depth 2 times of stake diameter bigger than pile body length, stop sinking, pile body is complete by sleeve at this time
It encases entirely.It keeps in situ constant, sufficiently shakes certain time, so that fixed lobe is cut pile peripheral earth by shaking sleeve, so that
The side friction of the inside and outside wall of sleeve and stake end and the cohesive force of supporting course soil greatly reduce.
Process 4：Sleeve is promoted by hydraulically operated fixture and starts pile pulling, and in sleeve 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 being attached on pile body self weight are born jointly by active pin and sleeve.
Process 5：On when pulling out sleeve, sleeve and pile body are above pulled out together to earth's surface.
Process 6：Pile body is taken out at the top of sleeve, manually closes active pin, stake holes is backfilled and tamps, pile pulling terminates.
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 (11)
1. a kind of single sleeve applied to building structure pile foundation assists pile pulling device, which is characterized in that including：
A whole set of vibration hammer equipment, hydraulically operated fixture and one are for assisting the cylindrical sleeve of pile pulling；
The sleeve inside and outside wall is fixedly installed protrusion, and multiple groups ellipse hole is additionally provided in the sleeve wall.
2. single sleeve according to claim 1 applied to building structure pile foundation assists pile pulling device, which is characterized in that institute
It states cylindrical sleeve bottom while being provided with multiple rotatable active pins.
3. single sleeve according to claim 2 applied to building structure pile foundation assists pile pulling device, which is characterized in that institute
It states the active pin one end and is welded on sleeve lining with shaft, the other end is up-side down triangle section free end.
4. single sleeve according to claim 2 applied to building structure pile foundation assists pile pulling device, which is characterized in that institute
It states active pin to be in close state due to the extruding of Pile side soil body is close to sleeve lining always during sleeve vibration-sunk, works as set
After cylinder sinks down into and requires depth, sleeve is promoted by hydraulically operated fixture and starts pile pulling, in sleeve uphill process, active pin free end is fallen
Triangular-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 sleeve after sleeve is promoted to earth's surface, manually closes active pin by state.
5. single sleeve according to claim 2 applied to building structure pile foundation assists pile pulling device, which is characterized in that institute
The quantity for stating active pin is 8.
6. single sleeve according to claim 1 applied to building structure pile foundation assists pile pulling device, which is characterized in that institute
It states fixed lobe to round along sleeve inside and outside wall, section is half elliptic.
7. single sleeve according to claim 6 applied to building structure pile foundation assists pile pulling device, which is characterized in that institute
The half elliptic cross section long axis for stating fixed lobe is 10cm, semi-minor axis 2cm, and protrusion is every one of 2m setting.
8. single sleeve according to claim 1 applied to building structure pile foundation assists pile pulling device, which is characterized in that institute
It states and is provided with multiple groups ellipse hole in sleeve wall, each ellipse hole long axis is 10cm, short axle 4cm.
9. single sleeve according to claim 1 applied to building structure pile foundation assists pile pulling device, which is characterized in that institute
Stating every group of ellipse pore quantity is 8, and same group of hole height of holes is identical, and is located among twice protrusion and is evenly arranged, i.e. edge
Sleeve height direction is arranged one group every 2m.
10. single sleeve according to claim 1 applied to building structure pile foundation assists pile pulling device, which is characterized in that
The sleeve diameter is 20~50cm bigger than stake diameter to be pulled out.
11. single sleeve according to claim 1 applied to building structure pile foundation assists pile pulling device, which is characterized in that
Sleeve embedded depth 2 times of the stake diameter bigger than pile body length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810691369.XA CN108842773A (en) | 2018-06-28 | 2018-06-28 | A kind of single sleeve auxiliary pile pulling device applied to building structure pile foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810691369.XA CN108842773A (en) | 2018-06-28 | 2018-06-28 | A kind of single sleeve auxiliary pile pulling device applied to building structure pile foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108842773A true CN108842773A (en) | 2018-11-20 |
Family
ID=64201509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810691369.XA Withdrawn CN108842773A (en) | 2018-06-28 | 2018-06-28 | A kind of single sleeve auxiliary pile pulling device applied to building structure pile foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108842773A (en) |
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 removing apparatus 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 |
| CN208668415U (en) * | 2018-06-28 | 2019-03-29 | 中交上海航道局有限公司 | A kind of list sleeve auxiliary pile pulling device |
-
2018
- 2018-06-28 CN CN201810691369.XA patent/CN108842773A/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 removing apparatus 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 |
| CN208668415U (en) * | 2018-06-28 | 2019-03-29 | 中交上海航道局有限公司 | A kind of list sleeve auxiliary pile pulling device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181120 |