CN211773656U - Device for pile pulling - Google Patents
Device for pile pulling Download PDFInfo
- Publication number
- CN211773656U CN211773656U CN202020381547.1U CN202020381547U CN211773656U CN 211773656 U CN211773656 U CN 211773656U CN 202020381547 U CN202020381547 U CN 202020381547U CN 211773656 U CN211773656 U CN 211773656U
- Authority
- CN
- China
- Prior art keywords
- steel casing
- bracket
- casing pipe
- pile foundation
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 92
- 239000010959 steel Substances 0.000 claims abstract description 92
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 230000000903 blocking effect Effects 0.000 claims description 17
- 238000000605 extraction Methods 0.000 claims 1
- 239000000284 extract Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 239000002689 soil Substances 0.000 abstract description 3
- 238000010790 dilution Methods 0.000 abstract 1
- 239000012895 dilution Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Landscapes
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The utility model discloses a device for pile pulling relates to the technical field of pile foundation, including steel casing pipe, high-pressure water pipe, high-pressurepipe and bracket, the steel casing pipe is inside hollow cylinder structure, sets up a plurality of mud discharging holes on the steel casing pipe, has seted up the through-hole on the lateral wall of steel casing pipe's lower extreme, and high-pressure water pipe and high-pressurepipe all set up on the outer wall of steel casing pipe, and high-pressure water pipe and high-pressurepipe's lower extreme all insert in the through-hole, and bracket rotatable coupling is in the steel casing pipe lower extreme. The utility model discloses a bracket for device of pile pulling can sink the in-process at the steel casing pipe and pack up, and automatic when sinking to old pile foundation bottom under the steel casing pipe slips to catch on the bottom of old pile foundation, high pressure water pipe and high-pressurepipe make the soil body dilution between old pile foundation and the steel casing pipe, become the mud and discharge easily, and old pile foundation easily extracts, can not disconnected stake.
Description
Technical Field
The utility model relates to a technical field of pile foundation especially relates to a pull out device of pile foundation.
Background
Along with the development of social economy, the projects of transformation, demolition and construction are more and more, many of them involve the whole construction of pulling out of old pile foundation, receive place and construction machinery's restriction, and the whole construction degree of difficulty of pulling out the pile is great, causes the problem such as disconnected stake, big vibrations or big excavation easily, causes the destruction for the environment, influences follow-up construction to bring engineering cost rising, time limit for a project to delay the scheduling problem.
SUMMERY OF THE UTILITY MODEL
To the problem of above-mentioned production, the utility model aims to provide a device for pulling out a pile.
In order to realize the purpose, the utility model discloses the technical scheme who takes does:
the utility model provides a device for pile pulling for the cover is established on old pile foundation and will old pile foundation extracts from the ground, including steel casing pipe, high-pressure water pipe, high-pressurepipe and bracket, the steel casing pipe is inside hollow cylinder structure, set up a plurality of mud discharging hole on the steel casing pipe, the through-hole has been seted up on the lateral wall of the lower extreme of steel casing pipe, high-pressure water pipe with high-pressurepipe all sets up on the outer wall of steel casing pipe, high-pressure water pipe with high-pressurepipe's lower extreme all inserts in the through-hole, bracket rotatable coupling in the steel casing pipe lower extreme.
The device for pile pulling comprises a steel sleeve, wherein a notch is formed in the lower end of the steel sleeve, two reinforcing parts are arranged on two sides of the notch of the steel sleeve, a shaft pin is fixed between the two reinforcing parts, and a bracket is rotatably connected with the shaft pin.
The device for pile pulling comprises a bracket, wherein the bracket is of an integrated structure and comprises a supporting bracket and a blocking frame, the supporting bracket and the blocking frame are vertically arranged, the supporting bracket is located inside a steel sleeve, the blocking frame is located outside the steel sleeve, and the shaft pin and the blocking frame are close to one end of the supporting bracket in rotatable connection.
Preferably, the bracket is in an L shape, the length of the supporting bracket is greater than that of the blocking frame, the inner side surfaces of the supporting bracket and the corners of the blocking frame are both planes, and the blocking frame can rotate in the notch.
The device for pile pulling is characterized in that the number of the brackets is four, and the brackets are uniformly distributed at the lower end of the steel sleeve.
The device for pile pulling comprises an old pile foundation, a steel sleeve, a bracket and a steel sleeve, wherein the steel sleeve is sleeved on the old pile foundation, the diameter of the steel sleeve is larger than that of the old pile foundation, and the bracket abuts against the lower end of the old pile foundation.
The device for pile pulling comprises a steel sleeve, wherein a vibrating hammer is mounted at the upper end of the steel sleeve, and a lifting hole is formed in the vibrating hammer.
The device for pile pulling comprises a steel sleeve, a plurality of mud discharging holes and a plurality of mud discharging holes, wherein the mud discharging holes are uniformly distributed along the periphery of the pile body of the steel sleeve.
The device for pile pulling is characterized in that one end of the bracket is rotatably connected with the steel sleeve through a pin shaft.
The device for pile pulling is characterized in that the upper end of the high-pressure water pipe is communicated with the water jet pump, and the upper end of the high-pressure air pipe is communicated with the high-pressure air pump.
The utility model discloses owing to adopt above-mentioned technique, make it compare the positive effect that has with prior art and be:
(1) the utility model discloses a bracket for device of pile pulling can sink the in-process at the steel casing pipe and pack up, and automatic the gliding down when sinking to old pile foundation bottom under the steel casing pipe to catch on the bottom of old pile foundation.
(2) The utility model discloses a high pressure water pipe and high-pressurepipe for pulling out device of pile make the soil body between old pile foundation and the steel casing pipe dilute, become the easy discharge of mud, and old pile foundation easily extracts.
Drawings
Fig. 1 is a schematic view of the device for pile pulling of the present invention;
fig. 2 is a schematic diagram of the device for pile pulling and the hoisting machine of the present invention;
fig. 3 is a partial schematic view of the device for pile pulling of the present invention;
FIG. 4 is a schematic view of the state of the bracket when the steel casing pipe sinks outside the old pile foundation;
FIG. 5 is a schematic view showing the state of the bracket when the steel casing pipe of the present invention sinks to the bottom of the old pile foundation;
figure 6 is a side view of a steel casing and cradle of the present invention.
Reference numerals: 1. old pile foundation; 2. steel casing; 21. a sludge discharge hole; 22. a notch; 23. a reinforcing portion; 24. a shaft pin; 3. a high pressure water pipe; 4. a high-pressure air pipe; 5. a bracket; 51. a support bracket; 52. a blocking frame; 6. a vibratory hammer; 61. hoisting holes; 7. a crane.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings and specific embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model provides a device for pile pulling, please refer to fig. 1, fig. 3, for the cover is established on old pile foundation 1 and extract old pile foundation 1 from the ground, including steel casing 2, high pressure water pipe 3, high-pressurepipe 4 and bracket 5, steel casing 2 is the hollow cylinder structure in inside, the lower extreme opening of steel casing 2, set up a plurality of mud discharging hole 21 on the pile foundation lateral wall of steel casing 2, be used for discharging the mud in steel casing 2, set up the through-hole on the lateral wall of the lower extreme of steel casing 2, the through-hole is 500mm apart from the lower extreme of steel casing 2, high pressure water pipe 3 and high-pressurepipe 4 all set up on the outer wall of steel casing 2, the lower extreme of high pressure water pipe 3 and high-pressurepipe 4 all inserts in the through-hole, the lower extreme of high pressure water pipe 3 and high-pressurepipe 4 stretches into steel casing 2, bracket 5 rotatable coupling is in the lower extreme of steel casing 2, the rigidity of the bracket 5 is high, so that the old pile foundation 1 can be supported to move upwards without bending deformation.
As shown in fig. 4, 5 and 6, a notch 22 is formed at the lower end of the steel sleeve 2, two reinforcing parts 23 are arranged on two sides of the notch 22 of the steel sleeve 2, a shaft pin 24 is fixed between the two reinforcing parts 23 along the horizontal direction, and the bracket 5 is rotatably connected with the shaft pin 24.
Further optimizing the above embodiment, the bracket 5 is an integrated structure, the bracket 5 includes a support bracket 51 and a blocking frame 52, the support bracket 51 and the blocking frame 52 are vertically arranged, the support bracket 51 is located inside the steel casing 2, the blocking frame 52 is located outside the steel casing 2, and the shaft pin 24 and one end of the blocking frame 52 close to the support bracket 51 are rotatably connected; when the steel sleeve 2 is initially sleeved on the old pile foundation 1, the upper end of the old pile foundation 1 jacks up the support bracket 51 to rotate towards the direction close to the inner wall of the steel sleeve 2, and the support bracket 51 is attached to the inner wall of the steel sleeve 2; when waiting that steel casing pipe 2 sinks the bottom of old pile foundation 1, the automatic downwardly rotating of support bracket 51 catches on old pile foundation 1 bottom, and support bracket 51 is in the horizontal direction, blocks that frame 52 laminating is on steel casing pipe 2's outer wall this moment, guarantees that support bracket 51 can not downwardly rotating again, prevents that old pile foundation 1 from droing.
Wherein, the diameter of steel casing 2 is greater than the diameter of old pile foundation 1, and the diameter of steel casing 2 cover is established on old pile foundation 1, and the diameter of steel casing 2 is 600mm big than the diameter of old pile foundation 1, and the length of steel casing 2 is greater than the length of old pile foundation 1 at least 1m, and after steel casing 2 sunk the bottom of old pile foundation 1, the upper surface of support bracket 51 supported the lower extreme at old pile foundation 1, can drive old pile foundation 1 and upwards move.
As shown in fig. 1 and 2, a vibration hammer 6 is mounted at the upper end of a steel sleeve 2, the steel sleeve 2 moves downwards under the vibration of the vibration hammer 6, a hanging hole 61 is formed in the vibration hammer 6, a lifting appliance of a lifting machine 7 is fixedly connected with the vibration hammer 6 through a steel wire rope, the lifting machine 7 can drive the vibration hammer 6 to move upwards, the steel sleeve 2 and old sections are lifted out in sections, pile pulling is completed, and pile holes are backfilled after pile pulling is completed.
Further, four brackets 5 are arranged, the four brackets 5 are uniformly distributed at the lower end of the steel sleeve 2, the length of the support bracket 51 is the same as the radius of the old pile foundation 1, and the four brackets 5 play a balance role.
As shown in fig. 3, the plurality of mud discharge holes 21 are uniformly distributed along the periphery of the pile body of the steel sleeve 2, and the mud in the steel sleeve 2 is discharged from the plurality of mud discharge holes 21 and then pumped out by a mud pump.
Furthermore, four high-pressure water pipes 3 and four high-pressure air pipes 4 are arranged, the four high-pressure water pipes 3 and the four high-pressure air pipes 4 are uniformly distributed on the outer wall of the steel sleeve 2, the upper end of each high-pressure water pipe 3 is communicated with a water jet pump, the water jet pump inputs high-pressure water into the high-pressure water pipes 3, the upper end of each high-pressure air pipe 4 is communicated with a high-pressure air pump, and the high-pressure air pumps input high-pressure air into the high-pressure air pipes 4.
The utility model discloses a theory of operation: when the steel sleeve 2 is initially sleeved on the old pile foundation 1, the upper end of the old pile foundation 1 jacks up the support bracket 51 to rotate anticlockwise towards the direction close to the inner wall of the steel sleeve 2, the steel sleeve 2 gradually sinks under the action of the vibration hammer 6, the high-pressure water pipe 3 downwards sprays high-pressure water in the sinking process to dilute soil between the old pile foundation 1 and the steel sleeve 2, then the high-pressure air pipe 4 is used for inflating, so that mud is discharged out of the steel sleeve 2 through the mud discharge hole 21 along with high-pressure gas, the mud is pumped out by using a mud suction pump, when the steel sleeve 2 sinks into the bottom of the old pile foundation 1, the bracket 5 rotates clockwise under the self gravity action, the upper surface of the support bracket 51 is abutted against the bottom of the old pile foundation 1, the blocking frame 52 is abutted against the outer wall of the steel sleeve 2 to prevent the support bracket 51 from continuing to rotate clockwise, the vibration hammer 6 and the steel sleeve 2 are upwards pulled by the crane 7, the support bracket 51 is clamped, and finishing pile pulling work.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a device for pile pulling for the cover is established on old pile foundation (1) and will old pile foundation (1) is extracted from the ground, a serial communication port, including steel casing pipe (2), high pressure water pipe (3), high-pressurepipe (4) and bracket (5), steel casing pipe (2) are inside hollow cylinder structure, set up a plurality of mud discharging hole (21) on steel casing pipe (2), the through-hole has been seted up on the lateral wall of the lower extreme of steel casing pipe (2), high pressure water pipe (3) with high-pressurepipe (4) all set up on the outer wall of steel casing pipe (2), high pressure water pipe (3) with the lower extreme of high pressure epipe (4) all inserts in the through-hole, bracket (5) rotatable coupling in steel casing pipe (2) lower extreme.
2. A device for pile pulling according to claim 1, characterized in that the lower end of the steel sleeve (2) is provided with a notch (22), the steel sleeve (2) is provided with two reinforced parts (23) at two sides of the notch (22), a shaft pin (24) is fixed between the two reinforced parts (23), and the bracket (5) is rotatably connected with the shaft pin (24).
3. A device for pile pulling according to claim 2, characterized in that the bracket (5) is a one-piece structure, the bracket (5) comprises a support bracket (51) and a blocking frame (52), the support bracket (51) and the blocking frame (52) are vertically arranged, the support bracket (51) is positioned inside the steel casing pipe (2), the blocking frame (52) is positioned outside the steel casing pipe (2), and the shaft pin (24) and the blocking frame (52) are rotatably connected at one end close to the support bracket (51).
4. A device for pile pulling according to claim 1, characterized in that the brackets (5) are provided in four, four brackets (5) being evenly distributed at the lower end of the steel casing (2).
5. Device for pile pulling according to claim 1, characterized in that the steel casing (2) is sleeved on the old pile foundation (1), the diameter of the steel casing (2) is larger than the diameter of the old pile foundation (1), and the bracket (5) abuts against the lower end of the old pile foundation (1).
6. A device for pile pulling according to claim 1, characterized in that the upper end of the steel casing (2) is provided with a vibration hammer (6), and the vibration hammer (6) is provided with a hanging hole (61).
7. A device for pile extraction as claimed in claim 1, characterised in that a plurality of mud holes (21) are evenly distributed around the shaft of the steel casing (2).
8. The device for pile pulling according to claim 1, wherein the upper end of the high-pressure water pipe (3) is communicated with a water jet pump, and the upper end of the high-pressure air pipe (4) is communicated with a high-pressure air pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020381547.1U CN211773656U (en) | 2020-03-24 | 2020-03-24 | Device for pile pulling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020381547.1U CN211773656U (en) | 2020-03-24 | 2020-03-24 | Device for pile pulling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211773656U true CN211773656U (en) | 2020-10-27 |
Family
ID=72933045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020381547.1U Expired - Fee Related CN211773656U (en) | 2020-03-24 | 2020-03-24 | Device for pile pulling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211773656U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653054A (en) * | 2021-09-17 | 2021-11-16 | 中建八局第二建设有限公司 | Pile pulling construction method |
| CN113737796A (en) * | 2021-09-07 | 2021-12-03 | 江苏兴宇建设集团有限公司 | Construction method for high-pressure water flushing assisted pile driving and pile pulling synchronous grouting of steel plate pile |
| CN114482049A (en) * | 2022-03-24 | 2022-05-13 | 中国建筑第七工程局有限公司 | Construction method for removing small-diameter pile foundation and removing device |
-
2020
- 2020-03-24 CN CN202020381547.1U patent/CN211773656U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113737796A (en) * | 2021-09-07 | 2021-12-03 | 江苏兴宇建设集团有限公司 | Construction method for high-pressure water flushing assisted pile driving and pile pulling synchronous grouting of steel plate pile |
| CN113653054A (en) * | 2021-09-17 | 2021-11-16 | 中建八局第二建设有限公司 | Pile pulling construction method |
| CN114482049A (en) * | 2022-03-24 | 2022-05-13 | 中国建筑第七工程局有限公司 | Construction method for removing small-diameter pile foundation and removing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |