CN208668415U - A kind of list sleeve auxiliary pile pulling device - Google Patents
A kind of list sleeve auxiliary pile pulling device Download PDFInfo
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- CN208668415U CN208668415U CN201821027461.8U CN201821027461U CN208668415U CN 208668415 U CN208668415 U CN 208668415U CN 201821027461 U CN201821027461 U CN 201821027461U CN 208668415 U CN208668415 U CN 208668415U
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- sleeve
- pile pulling
- pulling device
- list
- pile
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Abstract
The utility model proposes a kind of single sleeves to assist pile pulling device, comprising: 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 utility model has developed a kind of single sleeve auxiliary pile pulling device 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.List sleeve auxiliary pile pulling device 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.
Description
Technical field
The utility model belongs to construction equipment technical field, is related to the pile foundation of building structure, more particularly to pile pulling
Equipment, be mainly used for pulling out stake old in original ground, including the pile-type such as driven pile, in situ pile, static pressed pile, specifically
Pile pulling device is assisted for a kind of single sleeve.
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.
Utility model content
The purpose of this utility model is that a kind of single sleeve auxiliary pile pulling for being directed to the deficiency of above-mentioned pile extracting method and providing is set
It is standby.
In order to achieve the above object, the utility model proposes a kind of single sleeves to assist pile pulling device, comprising:
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, described active pin one end is welded on sleeve lining with shaft, and the other end is up-side down triangle section 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, each ellipse hole long axis is 10cm in the multiple groups ellipse hole being arranged in the sleeve wall,
Short axle is 4cm.
Further, ellipse pore quantity described in every group 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.
The advantages of the utility model and feature:
The utility model has developed a kind of single sleeve auxiliary on the basis of existing pile pulling technology and method, for its defect
Pile pulling device, core technology are the active pin that sleeve bottom can be rotated along shaft.The list sleeve assists pile pulling device can be in sleeve
Sinking, 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
Specific embodiment of the present utility model, but the utility model implementation not limited to the following are provided below in conjunction with attached drawing
Mode.According to following explanation and claims, will be become apparent from feature the advantages of the utility model.It should be noted that attached drawing
It is all made of very simplified form and uses non-accurate ratio, be only used for convenience, lucidly aid in illustrating the utility model
The purpose of embodiment.
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 utility model proposes a kind of single sleeves to assist pile pulling device, comprising: a whole set of vibration hammer
Equipment, hydraulically operated fixture and one are for assisting the cylindrical sleeve 01 of pile pulling；01 inside and outside wall of sleeve is fixedly installed convex
11 are played, is additionally provided with multiple groups ellipse hole 21 in the sleeve wall.
List sleeve provided by the utility model assists pile pulling device, a whole set of vibration hammer including comparative maturity in the prior art
Equipment and hydraulically operated fixture and one are for assisting the cylindrical sleeve (sleeve 01) of pile pulling.The sleeve inside and outside wall fixation is set
It is equipped with protrusion (protrusion 11).Multiple groups ellipse hole 21 is additionally provided in the sleeve wall.Specifically select the set of which kind of specification
Cylinder, need to according to the stake of institute's pile pulling 31 long, stake diameter and geological conditions come flexible choice.Bush material can be by the rigidity such as stainless steel
Material production.It is not introduced in a whole set of vibration hammer equipment and hydraulically operated fixture this specification.Hydraulically operated fixture is mainly used to clamp sleeve
Top 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
Semiaxis 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: excavating 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 vibration 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: promoting sleeve by hydraulically operated fixture and start 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: when above 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 utility model has been disclosed with preferred embodiment as above, so it is not intended to limit the utility model.This reality
It is without departing from the spirit and scope of the utility model, each when that can make with novel those of ordinary skill in the art
Kind changes and retouches.Therefore, the protection scope of the utility model is subject to view those as defined in claim.
Claims (11)
1. a kind of list sleeve assists pile pulling device characterized by comprising
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. list sleeve according to claim 1 assists pile pulling device, which is characterized in that the cylindrical sleeve bottom is simultaneously
It is provided with multiple rotatable active pins.
3. list sleeve according to claim 2 assists pile pulling device, which is characterized in that welded with shaft described active pin one end
In sleeve lining, the other end is up-side down triangle section free end.
4. list sleeve according to claim 2 assists pile pulling device, which is characterized in that the active pin is in sleeve vibration-sunk
It is in close state due to the extruding of Pile side soil body is close to sleeve lining always in the process, after sleeve, which is sunk down into, requires depth,
Sleeve is promoted by hydraulically operated fixture and starts pile pulling, and in sleeve uphill process, active pin free end up-side down triangle section is because of Pile side soil
Body frictional force slides down to horizontal position along fixing end shaft, and active pin is in the open state at this time, when sleeve is promoted to earth's surface
Afterwards, pile body is taken out at the top of sleeve, manually closes active pin.
5. list sleeve according to claim 2 assists pile pulling device, which is characterized in that the quantity of the active pin is 8.
6. list sleeve according to claim 1 assists pile pulling device, which is characterized in that the fixed lobe is inside and outside sleeve
Wall rounds, and section is half elliptic.
7. list sleeve according to claim 6 assists pile pulling device, which is characterized in that the half elliptic of the fixed lobe
Major cross-sectional axis is 10cm, semi-minor axis 2cm, and protrusion is every one of 2m setting.
8. list sleeve according to claim 1 assists pile pulling device, which is characterized in that the multiple groups being arranged in the sleeve wall
Each ellipse hole long axis is 10cm, short axle 4cm in oval hole.
9. list sleeve according to claim 1 assists pile pulling device, which is characterized in that ellipse pore quantity described in every group
It is 8, same group of hole height of holes is identical, and is located among twice protrusion and is evenly arranged, i.e., sets along sleeve height direction every 2m
Set one group.
10. list sleeve according to claim 1 assists pile pulling device, which is characterized in that the sleeve diameter ratio waits extracting
The big 20~50cm of stake diameter.
11. list sleeve according to claim 1 assists pile pulling device, which is characterized in that the sleeve embedded depth compares stake
The stake diameter that big 2 times of body length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821027461.8U CN208668415U (en) | 2018-06-28 | 2018-06-28 | A kind of list sleeve auxiliary pile pulling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821027461.8U CN208668415U (en) | 2018-06-28 | 2018-06-28 | A kind of list sleeve auxiliary pile pulling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208668415U true CN208668415U (en) | 2019-03-29 |
Family
ID=65825566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821027461.8U Active CN208668415U (en) | 2018-06-28 | 2018-06-28 | A kind of list sleeve auxiliary pile pulling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208668415U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108842773A (en) * | 2018-06-28 | 2018-11-20 | 中交上海航道局有限公司 | A kind of single sleeve auxiliary pile pulling device applied to building structure pile foundation |
| CN115977173A (en) * | 2022-12-28 | 2023-04-18 | 青岛理工大学 | Repeatable testing device and testing method for static pile pressing in homogeneous soil |
-
2018
- 2018-06-28 CN CN201821027461.8U patent/CN208668415U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108842773A (en) * | 2018-06-28 | 2018-11-20 | 中交上海航道局有限公司 | A kind of single sleeve auxiliary pile pulling device applied to building structure pile foundation |
| CN115977173A (en) * | 2022-12-28 | 2023-04-18 | 青岛理工大学 | Repeatable testing device and testing method for static pile pressing in homogeneous soil |
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