CN210066752U - Water cutting vibrations immersed tube pile pulling device - Google Patents

Water cutting vibrations immersed tube pile pulling device Download PDF

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Publication number
CN210066752U
CN210066752U CN201920488618.5U CN201920488618U CN210066752U CN 210066752 U CN210066752 U CN 210066752U CN 201920488618 U CN201920488618 U CN 201920488618U CN 210066752 U CN210066752 U CN 210066752U
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CN
China
Prior art keywords
pipe
steel
pile
grouting
water cutting
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Withdrawn - After Issue
Application number
CN201920488618.5U
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Chinese (zh)
Inventor
汪楼生
汪杰
方明勇
杨海斌
魏媛媛
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China Pile Foundation Engineering Co ltd
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Jiangsu Louxiang Construction Co Ltd
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Priority to CN201920488618.5U priority Critical patent/CN210066752U/en
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Abstract

The utility model provides a water cutting vibration immersed tube pile pulling device, which relates to the field of pile pulling equipment and comprises a steel sleeve, at least one bottom-supporting cable, a plurality of hollow steel pipes, a grouting mechanism and a plurality of groups of cutting plates, wherein the quantity of the grouting mechanism is equal to that of the hollow steel pipes; the bottom supporting cable is fixedly arranged at the lower end of the steel sleeve, and in the process of upwards pulling out the steel sleeve, the bottom supporting cable supports the bottom of the pile to be pulled out, so that the pile to be pulled out can be smoothly taken out on the basis of the upper part of the pile to be pulled out without being crushed, and the steel sleeve is quickly sunk into a foundation and efficiently removed on the basis of the pile to be pulled out without being crushed.

Description

Water cutting vibrations immersed tube pile pulling device
Technical Field
The invention relates to the field of pile pulling equipment, in particular to a water cutting vibration immersed tube pile pulling device.
Background
Along with the continuous and rapid development of urban construction in China, the quantity of buildings is larger and larger, a plurality of construction projects involve old pile removal work, the work has great influence on the construction of the subsequent foundation project, and the work is also of great importance to the quality of the whole construction project.
The existing old pile pulling-out method generally comprises the steps of firstly excavating earthwork to a pile to be pulled out, enabling the upper end of the pile to be pulled out to be exposed out of the soil surface to be not less than 1m, then chiseling vertical stress components such as steel bars, steel pipes and the like of the pile to be pulled out, using the vertical stress components as hoisting stress components for later-stage integral pulling-out, then using a crane to drive a vibration hammer, driving a steel sleeve to be sleeved on the old pile and slowly vibrating and pressing the steel sleeve into the old pile until the steel sleeve completely wraps the whole pile to be pulled out, then fixing the stress components on the pile to be pulled out on the steel sleeve by a worker, and slowly vibrating the steel sleeve and the pile to be pulled out by the crane to remove a foundation, wherein the steel sleeve is difficult to efficiently sleeve the pile to be pulled out and penetrate into the foundation due to the compact foundation, and the worker needs to crush the pile to be; another common pile pulling process is to pull out the pile by using a full-casing rotary drilling machine, but the method has low efficiency and high construction cost, so that how to quickly immerse a steel sleeve into a foundation and efficiently remove the pile to be pulled out on the basis of not breaking the pile to be pulled out becomes a problem to be solved urgently by technical personnel in the field.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects in the prior art and provides an efficient water cutting vibration immersed tube pile pulling device.
The invention is realized by the following technical scheme: the utility model provides a water cutting vibrations immersed tube pile pulling device, includes steel casing pipe, at least one holds in the palm end cable, many hollow steel pipes, with hollow steel pipe equal quantity's slip casting mechanism and multiunit cutting plate, the both ends of holding in the palm end cable are connected with steel casing pipe lower extreme inner wall, hollow steel pipe evenly fixes at steel casing pipe outer wall, hollow steel pipe parallels with the central axis of steel casing pipe, slip casting mechanism fixes in the steel casing pipe lower part, slip casting mechanism and hollow steel pipe lower extreme through connection, the cutting plate is fixed at the steel casing pipe lower extreme.
According to the technical scheme, preferably, the outlet at the lower end of the grouting mechanism is flush with the lower end of the steel sleeve, the grouting mechanism is a circular arc mechanism with a wide upper part and a narrow lower part, the gap between the lower end of the grouting mechanism and the outer wall of the steel sleeve is preferably 1-2mm, the grouting mechanism comprises a cover body and a plurality of groups of T-shaped baffles at equal intervals, the inner side and the outer side of each T-shaped baffle are respectively and fixedly connected with the steel sleeve and the cover body in a sealing mode, the upper end of the cover body is provided with a through hole, the lower end of the hollow steel pipe is connected with the through hole in a sealing mode, a grouting hole is formed between every two adjacent T-shaped baffles, and the width of.
According to the technical scheme, the hollow steel pipe is preferably a seamless hollow steel pipe with the diameter of 15-30mm and the thickness of 2.0-3.5 mm.
According to the technical scheme, preferably, the upper end opening of the hollow steel pipe is connected with a high-pressure grouting machine through a high-pressure grouting pipe, and the high-pressure grouting pipe is provided with a regulating valve.
According to the technical scheme, preferably, the distance between the upper end of the hollow steel pipe and the upper end of the steel sleeve is more than 500 mm.
According to the technical scheme, preferably, the inner diameter of the steel sleeve is 150-250mm larger than the diameter of the pile to be pulled, and the outer wall of the upper part of the steel sleeve is fixedly provided with the reinforcing plate.
According to the technical scheme, preferably, a connecting line of a connecting point of the bottom-supported cable and the steel sleeve penetrates through the central point of the steel sleeve, and the length of the bottom-supported cable is not less than half of the circumference of the cross section of the sleeve.
According to the above technical solution, preferably, the cutting plate is a strip steel plate, and the thickness of the cutting plate is greater than that of the grouting mechanism.
According to the technical scheme, preferably, the upper end of the steel sleeve is connected with a vibration hammer, the vibration hammer is transported through a crane, and the length of a suspension arm of the crane is not less than that of the steel sleeve.
According to the technical scheme, preferably, the vibration hammer is electrically connected with the generator set through a cable.
The invention has the beneficial effects that: in the invention, the steel sleeve and the grouting mechanism are matched to carry out hydraulic cutting on a hard soil layer at the lower end of the steel sleeve in the sinking process of the steel sleeve, the periphery of a pile to be pulled out can be wrapped by a soil body, the friction resistance at the side of the pile to be pulled out is effectively reduced, the pile can be pulled out easily, and the water cutting channel can also be used as a grouting channel for carrying out cement slurry grouting operation on the pile pulling-out hole, so that the aim of filling a cavity is fulfilled; the bottom supporting cable is fixedly arranged at the lower end of the steel sleeve, and in the process of upwards pulling out the steel sleeve, the bottom supporting cable supports the bottom of the pile to be pulled out, so that the pile to be pulled out can be smoothly taken out on the basis of the upper part of the pile to be pulled out without being crushed, and the steel sleeve is quickly sunk into a foundation and efficiently removed on the basis of the pile to be pulled out without being crushed.
Drawings
Fig. 1 shows a schematic front view of an embodiment according to the invention.
Fig. 2 shows a schematic top view of an embodiment according to the invention.
Fig. 3 shows a schematic front view of a portion a in fig. 1.
Fig. 4 shows a schematic side view of the grouting mechanism in fig. 1.
Fig. 5 shows a construction structure diagram according to an embodiment of the present invention.
In the figure: 1. steel casing; 2. a bottom-supported cable; 3. a hollow steel pipe; 4. a grouting mechanism; 5. cutting a plate; 6. pile pulling is to be carried out; 7. a cover body; 8. a T-shaped baffle plate; 9. grouting holes; 10. a high-pressure grouting pipe; 11. a high-pressure grouting machine; 12. adjusting a valve; 13. vibrating a hammer; 14. a crane; 15. a suspension arm; 16. A generator set; 17. a reinforcing plate.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
As shown in the figure, the invention provides a water cutting vibration pipe sinking and pile pulling device, which comprises a steel sleeve 1, at least one bottom supporting cable 2, a plurality of hollow steel pipes 3, grouting mechanisms 4 with the same number as the hollow steel pipes 3 and a plurality of groups of cutting plates 5, wherein two ends of the bottom supporting cable 2 are connected with the inner wall of the lower end of the steel sleeve 1, the hollow steel pipes 3 are uniformly fixed on the outer wall of the steel sleeve 1, the hollow steel pipes 3 are parallel to the central axis of the steel sleeve 1, the grouting mechanisms 4 are fixed at the lower part of the steel sleeve 1, the grouting mechanisms 4 are communicated and connected with the lower ends of the hollow steel pipes 3, the cutting plates 5 are fixed at the lower end of the steel sleeve 1, the hollow steel pipes 3 and the grouting mechanisms 4 are matched to carry out hydraulic cutting on a hard soil layer at the lower end of the steel sleeve 1 in the sinking process, the hydraulic cutting can ensure that, the pile pulling device can be easily pulled out, and a channel formed by water cutting can also be used as a grouting channel for performing cement slurry grouting operation on the pulled-out pile hole to achieve the purpose of filling a cavity; the lower end of the steel sleeve 1 is fixedly provided with the bottom supporting cable 2, in the process that the steel sleeve 1 is pulled out upwards, the bottom supporting cable 2 supports the bottom of the pile 6 to be pulled out, the pile 6 to be pulled out can be smoothly taken out on the basis of the upper part of the pile 6 to be pulled out without being broken, and therefore the steel sleeve 1 is quickly sunk into a foundation and the pile 6 to be pulled out is efficiently moved out on the basis of the pile 6 to be pulled out without being broken.
According to the above embodiment, preferably, the outlet at the lower end of the grouting mechanism 4 is flush with the lower end of the steel sleeve 1, the grouting mechanism 4 is a circular arc mechanism with a wide upper part and a narrow lower part, the gap between the lower end of the grouting mechanism 4 and the outer wall of the sleeve is preferably 1-2mm, the grouting mechanism 4 comprises a cover body 7 and a plurality of groups of T-shaped baffles 8 with equal intervals, the inner side and the outer side of each T-shaped baffle 8 are respectively and fixedly connected with the steel sleeve 1 and the cover body 7 in a sealing manner, a through hole is formed in the cover body 7, the lower end of the hollow steel pipe 3 is connected with the through hole in a sealing manner, a grouting hole 9 is formed between every two adjacent T-shaped baffles 8, the width of the grouting hole 9 is preferably 10-15mm, high-pressure water in the hollow, and because the gap between the lower end of the grouting mechanism 4 and the outer wall of the steel sleeve becomes small, the flow velocity of water flow can be increased, and the cutting effect on the hard soil layer is enhanced.
According to the above embodiment, the hollow steel pipe 3 is preferably a seamless hollow steel pipe having a diameter of 15 to 30mm and a thickness of 2.0 to 3.5mm, the hollow steel pipe 3 having a diameter of 15 to 30mm does not excessively increase the sinking resistance of the steel casing 1, and the seamless hollow steel pipe 3 having a diameter of 2.0 to 3.5mm can satisfy the sealing effect of the hollow steel pipe due to the high pressure of the high pressure water flow.
According to the above embodiment, preferably, the upper end opening of the hollow steel pipe 3 is connected to the high pressure grouting machine 11 through the high pressure grouting pipe 10, and the high pressure grouting pipe 10 is provided with the regulating valve 12, so that the pressure of the high pressure water flow can be regulated at any time.
According to the above embodiment, the distance between the upper end of the hollow steel pipe 3 and the upper end of the steel casing 1 is preferably greater than 500mm, the vibration hammer 13 needs to clamp the upper part of the steel casing 1 during the pile pulling process of the pile 6 to be pulled out, and the excess length can prevent the hollow steel pipe 3 from being damaged.
According to the above embodiment, preferably, the pile 6 to be pulled out may be deformed in the previous driving process into the ground, the inner diameter of the steel sleeve 1 is larger than the diameter of the pile 6 to be pulled out by 150 mm and 250mm, which can protect the steel sleeve 1, the outer wall of the upper part of the steel sleeve 1 is fixedly provided with the reinforcing plate 17, and the reinforcing plate 17 can prevent the vibration hammer 13 from extruding and deforming the upper part of the steel sleeve 1.
According to the above embodiment, preferably, the connecting line of the connection point of the bottom cable 2 and the steel casing 1 passes through the central point of the steel casing 1, the length of the bottom cable 2 is not less than half of the perimeter of the cross section of the steel casing, and the bottom cable 2 is positioned between the pile to be pulled 6 and the steel casing 1 during the sinking process of the steel casing 1.
According to the above embodiment, the cutting plate 5 is preferably a strip steel plate, the thickness of the cutting plate 5 is larger than that of the grouting mechanism 4, when the steel casing 1 may encounter hard stone during sinking, the cutting plate 5 can break the hard stone, and the thickness of the cutting plate 5 is larger than that of the grouting mechanism 4, so that the grouting mechanism 4 can be protected.
According to the above embodiment, preferably, the upper end of the steel casing 1 is connected with the vibration hammer 13, the vibration hammer 13 is hoisted and transported by the crane 14, and the length of the boom 15 of the crane 14 is not less than that of the steel casing 1, so that the crane 14 can vertically hoist the steel casing 1 and vertically sink the steel casing 1 into the ground.
According to the above embodiment, preferably, the vibration hammer 13 is electrically connected with the generator set 16 through a cable, so that the device can be suitable for field pile pulling, and the pile pulling range is expanded.
The specific working process is as follows:
1. excavating earthwork to the pile 6 to be pulled, and ensuring that the pile 6 to be pulled is exposed out of the soil surface by not less than 500 mm;
2. selecting a proper steel sleeve 1 according to the pile diameter of a pile 6 to be pulled, selecting the diameter of the steel sleeve 1 to be larger than the diameter of the pile 6 to be pulled by 200mm when the pile 6 to be pulled is a precast pile in principle, selecting the diameter of the steel sleeve 1 to be larger than the diameter of the pile 6 to be pulled by 300mm when the pile 6 to be pulled is a cast-in-situ bored pile, and selecting the matched steel sleeve 1, a vibration hammer 13 and a crane 14 according to the length, the diameter and the soil property condition of the pile 6 to be pulled;
3. manufacturing a steel sleeve 1 with a corresponding length, wherein the length of the steel sleeve is 3m greater than that of a pile to be pulled 6 in principle;
4. debugging water injection equipment, synchronously sinking the steel sleeve by vibration and water cutting, and lifting once every 2m for facilitating the stripping of the soil body and the pile 6 to be pulled until the steel sleeve sinks to about 1m below the pile 6 to be pulled;
5. promote the steel casing, let 2 pockets of end cable of support live in the pile end of waiting to pull out pile 6, slowly vibrate and lift, auxiliary hoist 14 can whole promotion by oneself when waiting to pull out pile 6, vibrations stop work, wait to pull out pile 6 whole promotion and accomplish the back, steel casing 1 sinks to former degree of depth, pour into grout into simultaneously, fill the pile hole, backfill until accomplishing whole holes, accessible steel casing 1 puts into yellow sand or clay when should not slip casting material operation if waiting to pull out pile 6 position needs to utilize, vibrate steel casing 1 simultaneously, reach the effect of closely knit soil body.
The invention has the beneficial effects that: according to the invention, the steel sleeve 1 and the grouting mechanism 4 are matched to perform hydraulic cutting on a hard soil layer at the lower end of the steel sleeve 1 in the sinking process of the steel sleeve 1, the hydraulic cutting can ensure that no soil body wraps around the pile 6 to be pulled, the frictional resistance at the side of the pile 6 to be pulled is effectively reduced, the pile 6 to be pulled can be easily pulled out, and the water cutting channel can also be used as a grouting channel for performing cement slurry grouting operation on the pile hole to be pulled out, so that the aim of filling a cavity is achieved; the lower end of the steel sleeve 1 is fixedly provided with a bottom supporting cable, in the process that the steel sleeve 1 is pulled out upwards, the bottom supporting cable 2 supports the bottom of the pile 6 to be pulled out, the pile 6 to be pulled out can be smoothly taken out on the basis of the upper part of the pile 6 not to be pulled out in a breaking mode, and therefore the steel sleeve 1 is rapidly sunk into the foundation and the pile 6 to be pulled out is efficiently removed on the basis of the pile 6 not to be pulled out in a breaking mode.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a water cutting vibrations immersed tube pile pulling device, its characterized in that, including steel casing pipe (1), at least one hold in the palm end cable (2), many hollow steel pipe (3), with hollow steel pipe (3) equal quantity slip casting mechanism (4) and multiunit cutting plate (5), the both ends of holding in the palm end cable (2) are connected with steel casing pipe (1) lower extreme inner wall, hollow steel pipe (3) are evenly fixed at steel casing pipe (1) outer wall, hollow steel pipe (3) parallel with the central axis of steel casing pipe (1), slip casting mechanism (4) are fixed in steel casing pipe (1) lower part, slip casting mechanism (4) and hollow steel pipe (3) lower extreme through connection, cutting plate (5) are fixed at steel casing pipe (1) lower extreme.
2. The water cutting vibration pipe sinking pile pulling device as claimed in claim 1, the lower outlet of the grouting mechanism (4) is flush with the lower end of the steel sleeve (1), the grouting mechanism (4) is a circular arc mechanism with a wide upper part and a narrow lower part, the gap between the lower end of the grouting mechanism (4) and the outer wall of the steel sleeve (1) is 1-2mm, the grouting mechanism (4) comprises a cover body (7) and a plurality of groups of T-shaped baffles (8) with equal intervals, the inner side and the outer side of the T-shaped baffle (8) are respectively and fixedly connected with the steel sleeve (1) and the cover body (7) in a sealing way, the cover body (7) is provided with a through hole, the lower end of the hollow steel pipe (3) is connected with the through hole in a sealing mode, a grouting hole (9) is formed between the adjacent T-shaped baffles (8), and the width of the grouting hole (9) is 10-15 mm.
3. A water cutting vibration pipe sinking pile pulling device according to claim 2, wherein the hollow steel pipe (3) is a seamless hollow steel pipe (3) with a diameter of 15-30mm and a thickness of 2.0-3.5 mm.
4. A water cutting vibration pipe sinking pile pulling device according to claim 3, wherein the upper port of the hollow steel pipe (3) is connected with a high pressure grouting machine (11) through a high pressure grouting pipe (10), and the high pressure grouting pipe (10) is provided with a regulating valve (12).
5. A water cutting vibration pipe sinking pile extractor according to claim 4, wherein the distance between the upper end of the hollow steel pipe (3) and the upper end of the steel sleeve (1) is more than 500 mm.
6. The water cutting vibration immersed tube pile pulling device as claimed in claim 5, wherein the inner diameter of the steel sleeve (1) is 150-250mm larger than the diameter of the pile (6) to be pulled, and the outer wall of the upper part of the steel sleeve (1) is fixedly provided with the reinforcing plate (17).
7. A water cutting vibration pipe sinking pile extractor as claimed in claim 6, wherein the connecting line of the connecting point of the backing cable (2) and the steel casing pipe (1) passes through the central point of the steel casing pipe (1), and the length of the backing cable (2) is not less than half of the perimeter of the cross section of the steel casing pipe (1).
8. A water cutting vibration pipe sinking pile pulling device according to claim 7, wherein the cutting plate (5) is a strip steel plate, and the thickness of the cutting plate (5) is larger than that of the grouting mechanism (4).
9. A water cutting vibration pipe sinking pile extractor according to claim 8, wherein the upper end of the steel casing pipe (1) is connected with a vibration hammer (13), the vibration hammer (13) is hoisted and transported by a crane (14), and the length of a boom (15) of the crane (14) is not less than that of the steel casing pipe (1).
10. A water cutting vibratory pipe sinking apparatus as claimed in claim 9, wherein said vibratory hammer (13) is electrically connected to the power unit (16) by a cable.
CN201920488618.5U 2019-04-11 2019-04-11 Water cutting vibrations immersed tube pile pulling device Withdrawn - After Issue CN210066752U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920488618.5U CN210066752U (en) 2019-04-11 2019-04-11 Water cutting vibrations immersed tube pile pulling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920488618.5U CN210066752U (en) 2019-04-11 2019-04-11 Water cutting vibrations immersed tube pile pulling device

Publications (1)

Publication Number Publication Date
CN210066752U true CN210066752U (en) 2020-02-14

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Application Number Title Priority Date Filing Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109930602A (en) * 2019-04-11 2019-06-25 江苏楼翔建设有限公司 A kind of Water Cutting vibration immersed tube pile pulling device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109930602A (en) * 2019-04-11 2019-06-25 江苏楼翔建设有限公司 A kind of Water Cutting vibration immersed tube pile pulling device
CN109930602B (en) * 2019-04-11 2024-04-19 中桩基础工程有限公司 Pile pulling device for water cutting vibration immersed tube

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Address after: Room 1132, Building 1, Sushang Xindi Life Plaza, No. 555 Zongguantang Road, Suzhou City, Jiangsu Province, 215008

Patentee after: China Pile Foundation Engineering Co.,Ltd.

Country or region after: China

Address before: Room 1132, Building 1, Sushang Xindi Life Plaza, No. 555 Zongguantang Road, Suzhou City, Jiangsu Province, 215008

Patentee before: JIANGSU LOUXIANG CONSTRUCTION Co.,Ltd.

Country or region before: China

CP03 Change of name, title or address
AV01 Patent right actively abandoned

Granted publication date: 20200214

Effective date of abandoning: 20240419

AV01 Patent right actively abandoned

Granted publication date: 20200214

Effective date of abandoning: 20240419

AV01 Patent right actively abandoned
AV01 Patent right actively abandoned