CN114396043A - Pile shoe flushing device - Google Patents

Pile shoe flushing device Download PDF

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Publication number
CN114396043A
CN114396043A CN202210067761.3A CN202210067761A CN114396043A CN 114396043 A CN114396043 A CN 114396043A CN 202210067761 A CN202210067761 A CN 202210067761A CN 114396043 A CN114396043 A CN 114396043A
Authority
CN
China
Prior art keywords
pile
nozzle
shoe
flushing
spud
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.)
Pending
Application number
CN202210067761.3A
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Chinese (zh)
Inventor
刘富均
黄卓
赵登海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CSSC Huangpu Wenchong Shipbuilding Co Ltd
Original Assignee
CSSC Huangpu Wenchong Shipbuilding Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CSSC Huangpu Wenchong Shipbuilding Co Ltd filed Critical CSSC Huangpu Wenchong Shipbuilding Co Ltd
Priority to CN202210067761.3A priority Critical patent/CN114396043A/en
Publication of CN114396043A publication Critical patent/CN114396043A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/72Pile shoes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02Cleaning by the force of jets or sprays

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (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)
  • Piles And Underground Anchors (AREA)

Abstract

The invention relates to the technical field of ocean platforms, in particular to a pile shoe flushing device. The pile shoe flushing device comprises a pile flushing pipe and a shielding piece, wherein the pile flushing pipe is used for flushing the pile shoe, the pile flushing pipe comprises a nozzle part and an external part which are communicated, and the external part is used for connecting a pile flushing system; the shielding piece comprises a guide part and a shielding part arranged at the end part of the guide part, the guide part is slidably arranged in the nozzle part in a penetrating way, and the outer wall of the guide part and the inner wall of the nozzle part are arranged at intervals. Under the action of a pile-flushing system, the shielding part is far away from the nozzle part and enables the nozzle part to be in an open state, so that the mud or silt adsorption force or a vacuum protective film on the periphery of a pile shoe is broken to achieve the pile-flushing effect, and the quick pile pulling is realized; when the pile-washing is stopped, the shielding piece falls back to the end part of the nozzle part under the action of self gravity when no external force acts, the shielding part is covered on the nozzle part and enables the nozzle part to be in a closed state, so that seabed silt or silt is prevented from entering a pile-washing system, and the smoothness of a pile-washing pipe is ensured.

Description

Pile shoe flushing device
Technical Field
The invention relates to the technical field of ocean platforms, in particular to a pile shoe flushing device.
Background
With the increasing exhaustion of land resources, the exploitation of petroleum and natural gas has been shifted from land to sea, and the development of marine resources such as petroleum and natural gas has been advanced from shallow sea to deep sea. The ocean platform is developed from shallow sea to deep sea, and the new platform not only has excellent performance and large enough deck area, but also has extremely strong wind and wave resistance and is suitable for wider water depth range. Whether in wind power installation platform or self-elevating drilling platform, generally need carry out operations such as stake, pile pulling in different sea areas.
The platform inserts the spud leg into a certain depth of the seabed in a pre-loading mode, so that the safety and reliability of the platform during working are ensured. When the operation is finished and the next target works, pile pulling operation and platform moving are needed. Because the pile leg is inserted into seabed sediment, the whole pile leg and the pile shoe need to be washed in the pile pulling operation, and the pile pulling resistance, particularly the adsorption force at the bottom of the pile shoe, is reduced. The pile-washing effect of the platform directly influences whether pile-washing operation is successful or not, pile-washing efficiency is high and low, and safety of the platform is self, and the problems that pile-washing pressure of a pile-washing system of a plurality of current ocean platforms is insufficient, sludge is caked, silt is blocked and the like exist, so that the problem that vacuum between the surface of a pile shoe and soil cannot be broken through by a nozzle and a pile-washing pipe in a pile inserting process to cause pile-washing is avoided, great influence is caused on operation efficacy, and even pile-washing operation cannot be normally completed, and safety of the platform is influenced.
Therefore, a need exists for a shoe flushing device that addresses the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a pile shoe flushing device, which aims to solve the problem of blockage in the flushing process, reduce the influence of the pile pulling operation of a platform and improve the operation efficiency.
In order to realize the purpose, the following technical scheme is provided:
a pile shoe washing apparatus comprising:
the pile punching pipe is used for flushing the pile shoe and comprises a nozzle part and an external connection part which are communicated with each other, and the external connection part is used for connecting a pile punching system;
the shielding piece comprises a guide part and a shielding part arranged at the end part of the guide part, the guide part is slidably arranged in the nozzle part in a penetrating way, and the outer wall of the guide part and the inner wall of the nozzle part are arranged at intervals;
under the action force of the pile punching system, the shielding part is far away from the nozzle part and enables the nozzle part to be in an open state; when no external force is acted, the shielding part is covered on the nozzle part and enables the nozzle part to be in a closed state.
As an alternative of the pile shoe flushing device, the pile shoe flushing device further comprises a nozzle protection cover which is fixed on the pile shoe and covers the outside of the nozzle portion.
As an alternative of the pile shoe flushing device, the pile flushing pipe is arranged on the pile shoe in a penetrating mode, the nozzle portion is located above the pile shoe, and the outlet end of the nozzle portion faces upwards.
As an alternative to the pile shoe flushing device, the minimum distance of the nozzle boot from the outlet end of the nozzle section is smaller than the length of the guide section.
As an alternative to the shoe washing device, the wall surface of the nozzle boot facing the nozzle portion is a fully closed wall surface.
As an alternative of the pile shoe flushing device, the pile flushing pipe is arranged on the pile shoe in a penetrating mode, the nozzle portion is located below the pile shoe, and the outlet end of the nozzle portion is arranged upwards.
As an alternative to the shoe flushing device, the minimum distance of the outlet end of the nozzle section from the shoe is smaller than the length of the guide section.
As an alternative of the pile shoe flushing device, a notch is arranged on the nozzle protection cover, and the notch and the surface of the pile shoe are matched to form a through hole.
As an alternative to the pile shoe flushing device, the gap is a semicircular gap.
As an alternative to the pile shoe flushing device, a plurality of the recesses are arranged at intervals in the circumferential direction of the nozzle protection cover.
As an alternative to the pile shoe flushing device, the nozzle guard has a through-hole in its wall surface adjacent to the pile shoe.
As an alternative to the pile shoe flushing device, a plurality of through holes are arranged at intervals in the circumferential direction of the nozzle protection cover.
As an alternative of the pile shoe flushing device, the nozzle part is an L-shaped bent pipe, one end of the nozzle part is vertically communicated with the external connection part, and the other end of the nozzle part is arranged in parallel with the external connection part.
As an alternative to the pile shoe flushing device, the number of nozzle segments is at least two.
As an alternative to the pile shoe washing device, the shielding portion includes an end cover and a shielding edge that surrounds the end cover.
As an alternative to the shoe flushing device, the distance between the outer wall of the guide part and the inner wall of the nozzle part is 2mm to 3 mm.
As an alternative of the pile shoe flushing device, the pile shoe flushing device further comprises a cabin penetrating external member, the cabin penetrating external member is fixed on the pile shoe, and the external connecting portion penetrates through the cabin penetrating external member.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a pile shoe flushing device, which comprises a pile flushing pipe and a shielding piece, wherein the pile flushing pipe comprises a nozzle part and an external part which are communicated with each other, and the external part is used for connecting a pile flushing system; the shielding piece comprises a guide part and a shielding part arranged at the end part of the guide part, the guide part is slidably arranged in the nozzle part in a penetrating way, and the outer wall of the guide part and the inner wall of the nozzle part are arranged at intervals. Under the action of a pile-flushing system, the shielding part is far away from the nozzle part and enables the nozzle part to be in an open state, so that the mud or silt adsorption force or a vacuum protective film on the periphery of a pile shoe is broken to achieve the pile-flushing effect, and the quick pile pulling is realized; when the pile-washing is stopped, the pile-washing system is closed and no power source is generated, when no external force is applied, the shielding piece falls back to the end part of the nozzle part under the action of self gravity, the shielding part is covered on the nozzle part and enables the nozzle part to be in a closed state, so that seabed silt or silt is prevented from entering the pile-washing system, the pile-washing pipe and the nozzle part are ensured to be unblocked, and the pile-washing system is prepared for normal use of the next pile-washing system.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a schematic view of a first shoe washing device according to an embodiment of the present invention in an open state;
FIG. 2 is a schematic view of a first shoe washing device according to an embodiment of the present invention in a closed state;
FIG. 3 is a side view of a nozzle guard provided in accordance with an embodiment of the present invention;
FIG. 4 is a schematic view of a first shoe washing device according to an embodiment of the present invention in an open state;
fig. 5 is a schematic view of a first pile shoe flushing device according to an embodiment of the present invention in a closed state.
Reference numerals:
100-pile shoe;
1-punching a pile tube; 11-a nozzle portion; 12-an external connection part;
2-a shield; 21-a guide; 22-a shield;
3-nozzle protection cover; 31-a notch;
4-crossing cabin external member.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements to be referred to must have specific orientations, be constructed in specific orientations, and operate, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected; either mechanically or electrically. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-2, the present embodiment provides a pile shoe flushing device, which comprises a pile flushing pipe 1 and a shielding member 2, wherein the pile flushing pipe 1 is used for flushing a pile shoe 100, the pile flushing pipe 1 comprises a nozzle part 11 and an external connection part 12 which are communicated, and the external connection part 12 is used for connecting a pile flushing system; the shielding member 2 includes a guide portion 21 and a shielding portion 22 disposed at an end of the guide portion 21, the guide portion 21 is slidably disposed in the nozzle portion 11, and an outer wall of the guide portion 21 is spaced apart from an inner wall of the nozzle portion 11. Under the action force of the pile-driving system, the shielding part 22 is far away from the nozzle part 11 and enables the nozzle part 11 to be in an open state, so that the mud or sand adsorption force or the vacuum protective film on the peripheral side of the pile shoe 100 is broken to achieve the pile-driving effect, and the quick pile-driving is realized; when the pile-washing is stopped, the pile-washing system is closed and no power source is generated, when no external force is applied, the shielding piece 2 falls back to the end part of the nozzle part 11 under the action of self gravity, the shielding part 22 is covered on the nozzle part 11 and enables the nozzle part 11 to be in a closed state, so that seabed silt or silt is prevented from entering the pile-washing system, the pile-washing pipe 1 and the nozzle part 11 are ensured to be smooth, and preparation is made for normal use of the next pile-washing system.
The pile shoe flushing device can be suitable for different geological conditions of rocks, sand beaches, silt and the like in the geology of the pile shoe.
To ensure that the shield 2 shields the nozzle portion 11 approximately when it falls back under its weight, the area of the shield 22 is greater than the area of the outlet end of the nozzle portion 11. In addition, in order to ensure that the nozzle portion 11 can be better shielded by the shielding portion 22, the shielding portion 22 includes an end cap and a shielding edge provided around the end cap. The dimensions and material selection of the shielding portion 22 can be designed according to the press force of the pile punching system, and the nozzle portion 11 is circular and the shielding portion 22 is also circular. Of course, in other embodiments, the nozzle portion 11 may be circular, and the shielding portion 22 may be square, as long as the shielding portion 22 can cover the nozzle portion 11 and can move upward to open the nozzle portion 11 under the impact of the pile driving system, which is not limited herein.
Optionally, the pile shoe flushing device further comprises a nozzle protection cover 3, the nozzle protection cover 3 is fixed on the pile shoe 100 and covers the nozzle portion 11, the nozzle protection cover 3 can prevent external large silt from entering the pile flushing pipe 1, the blocking risk of the pile flushing pipe 1 is further reduced, and the smoothness of the pile flushing pipe 1 is guaranteed.
Alternatively, as shown in fig. 1-2, the spud tube 1 is inserted into the shoe 100, the nozzle part 11 is located above the shoe 100, and the outlet end of the nozzle part 11 is disposed upward.
Alternatively, when the nozzle segment 11 is positioned above the shoe 100, the minimum distance of the nozzle guard 3 from the outlet end of the nozzle segment 11 is less than the length of the guide 21, to avoid that the shield 2 falls off the nozzle segment 11 into the nozzle guard 3 under the force of the pile driving system, without better shielding of the nozzle segment 11.
Illustratively, the minimum distance of the nozzle boot 3 from the exit end of the nozzle portion 11 may be 25mm when the nozzle portion 11 is located above the shoe 100.
Preferably, the wall surface of the nozzle protection cover 3 facing the nozzle portion 11 is a totally enclosed wall surface. Furthermore, a recess 31 is provided in the nozzle boot 3, which recess 31 cooperates with the surface of the shoe 100 to form a passage for the water or water-gas mixture produced by the pile flushing system to be sprayed out to flush the shoe 100. In other embodiments, the nozzle protector 3 may be provided with a through hole in a wall surface thereof adjacent to the shoe 100, which can also achieve the above-described effects.
Illustratively, the notch 31 is a semi-circular notch. The plurality of notches 31 are provided at intervals in the circumferential direction of the nozzle protector 3. When the nozzle protection cover 3 is provided with a plurality of through holes, the plurality of through holes are arranged at intervals along the circumferential direction of the nozzle protection cover 3.
Alternatively, the nozzle portion 11 is an L-shaped elbow, one end of the nozzle portion 11 is vertically communicated with the external connection portion 12, and the other end thereof is arranged in parallel with the external connection portion 12. The L-shaped bent pipe can block silt and fine sand grains, so that the pile flushing pipe 1 is prevented from being blocked better.
Preferably, the number of the nozzle portions 11 is at least two to improve the flushing efficiency and the flushing effect of the pile tube 1.
Preferably, the outer wall of the guide portion 21 is spaced from the inner wall of the nozzle portion 11 by a distance of 2mm to 3mm, so that the air or water flow generated by the nozzle portion 11 can easily break the adsorption force of sand around the shoe 100 or puncture the vacuum film on the surface of the shoe 100.
Optionally, the pile shoe flushing device further comprises a cabin penetrating external member 4, the cabin penetrating external member 4 is fixed on the pile shoe 100, and the external connection part 12 is arranged in the cabin penetrating external member 4 in a penetrating manner. Illustratively, the penetrating suite 4 is tubular, the penetrating suite 4 is welded on the pile shoe 100, and the pile tube 1 is welded on the penetrating suite 4.
Alternatively, as shown in fig. 3, the nozzle protection cover 3 may be a rectangular parallelepiped cover. In other embodiments, the nozzle protector 3 may be hemispherical or have other shapes as long as it can be fixed to the shoe 100 and cover the nozzle 11.
Alternatively, as shown in fig. 4-5, the spud tube 1 is threaded onto the shoe 100, the nozzle portion 11 is located below the shoe 100, and the outlet end of the nozzle portion 11 is disposed upward.
In order to avoid the screen 2 from escaping the nozzle section 11, the minimum distance of the outlet end of the nozzle section 11 from the shoe 100 is less than the length of the guide section 21. Illustratively, the minimum distance of the lower surface of the shoe 100 from the outlet end of the nozzle portion 11 may be 25 mm.
In order to facilitate understanding, in the pile shoe washing device provided by the embodiment, during the pile washing process, the pile washing system can generate power of 2.5Mpa, when the pile washing system operates, high-pressure water or a water-gas mixture can be ejected through the pile washing pipe 1 to open the shielding member 2 to enable the shielding member 2 to be opened to a certain height and then water or water is sprayed, the high-pressure water or the water-gas mixture is quickly filled in the nozzle protection cover 3 and is discharged out of the pile shoe 100 through the gap 31 on the nozzle protection cover 3 and penetrates through silt or silt around the pile shoe 100, the high-pressure water or the water-gas mixture is used for destroying a vacuum film around the pile shoe 100 and destroying the adsorption force of the soil around the pile shoe 100, and the pile shoe 100 and a pile leg are washed.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (10)

1. A pile shoe washing apparatus, comprising:
the pile flushing pipe (1) is used for flushing a pile shoe (100), the pile flushing pipe (1) comprises a nozzle part (11) and an external connection part (12) which are communicated, and the external connection part (12) is used for connecting a pile flushing system;
the shielding piece (2) comprises a guide part (21) and a shielding part (22) arranged at the end part of the guide part (21), the guide part (21) is slidably arranged in the nozzle part (11), and the outer wall of the guide part (21) and the inner wall of the nozzle part (11) are arranged at intervals;
under the action of the pile punching system, the shielding part (22) is far away from the nozzle part (11) and enables the nozzle part (11) to be in an open state; when no external force is applied, the shielding part (22) is covered on the nozzle part (11) and enables the nozzle part (11) to be in a closed state.
2. The pile shoe flushing device according to claim 1, characterized in that it further comprises a nozzle boot (3), the nozzle boot (3) being fixed to the pile shoe (100) and covering the nozzle portion (11).
3. The spud boot washing arrangement according to claim 2, characterized in that the spud tube (1) is threaded onto the spud boot (100), the nozzle section (11) is located above the spud boot (100) and the outlet end of the nozzle section (11) is arranged upwards.
4. The spud boot washing arrangement according to claim 3, characterized in that the minimum distance of the nozzle boot (3) from the outlet end of the nozzle section (11) is smaller than the length of the guide section (21).
5. The spud boot washing arrangement according to claim 2, characterized in that the spud tube (1) is threaded onto the spud boot (100), the nozzle section (11) is located below the spud boot (100) and the outlet end of the nozzle section (11) is arranged upwards.
6. The spud shoe flushing device according to claim 5, characterized in that the minimum distance of the outlet end of the nozzle portion (11) from the spud shoe (100) is smaller than the length of the guiding portion (21).
7. The pile shoe washing device according to any of claims 2-6, characterized in that the nozzle boot (3) is provided with a notch (31), the notch (31) cooperates with the surface of the pile shoe (100) to form a through opening; or
Through holes are formed in the wall surface, close to the pile shoe (100), of the nozzle protection cover (3).
8. The pile shoe flushing device according to any one of claims 1-6, characterized in that the nozzle segment (11) is an L-bend, one end of the nozzle segment (11) communicating perpendicularly with the extension (12) and the other end thereof being arranged parallel to the extension (12).
9. The spud shoe flushing device according to claim 8, characterized in that the number of nozzle parts (11) is at least two.
10. The spud boot washing arrangement according to any of claims 1-6, characterized in that the distance between the outer wall of the guide part (21) and the inner wall of the nozzle part (11) is 2-3 mm.
CN202210067761.3A 2022-01-20 2022-01-20 Pile shoe flushing device Pending CN114396043A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210067761.3A CN114396043A (en) 2022-01-20 2022-01-20 Pile shoe flushing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210067761.3A CN114396043A (en) 2022-01-20 2022-01-20 Pile shoe flushing device

Publications (1)

Publication Number Publication Date
CN114396043A true CN114396043A (en) 2022-04-26

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114753367A (en) * 2022-05-12 2022-07-15 中船黄埔文冲船舶有限公司 Pile punching device
CN114875915A (en) * 2022-05-23 2022-08-09 广东精铟海洋工程股份有限公司 Prevent blockking up pile shoe towards stake shower nozzle device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101302763A (en) * 2008-06-18 2008-11-12 中国海洋石油总公司 Self-elevating drilling platform pile punching apparatus
CN106812127A (en) * 2017-03-14 2017-06-09 西安石油大学 Stake system is rushed in a kind of self-elevating ocean platform shoe for preventing jetting pipeline from blocking
CN207159978U (en) * 2017-08-25 2018-03-30 招商局重工(深圳)有限公司 One kind rushes pile pipe and its spout structure
CN209722920U (en) * 2019-01-04 2019-12-03 中船黄埔文冲船舶有限公司 A kind of protective cover rushing pile pipe for jack-up unit shoe
CN211571664U (en) * 2019-09-24 2020-09-25 中国船舶工业集团公司第七0八研究所 Anti-blocking nozzle device of pile punching system
WO2020211065A1 (en) * 2019-04-19 2020-10-22 江苏亨通蓝德海洋工程有限公司 Offshore platform pile leg high-pressure flushing apparatus
CN213204121U (en) * 2020-06-15 2021-05-14 浙江华东建设工程有限公司 Hybrid pile punching system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101302763A (en) * 2008-06-18 2008-11-12 中国海洋石油总公司 Self-elevating drilling platform pile punching apparatus
CN106812127A (en) * 2017-03-14 2017-06-09 西安石油大学 Stake system is rushed in a kind of self-elevating ocean platform shoe for preventing jetting pipeline from blocking
CN207159978U (en) * 2017-08-25 2018-03-30 招商局重工(深圳)有限公司 One kind rushes pile pipe and its spout structure
CN209722920U (en) * 2019-01-04 2019-12-03 中船黄埔文冲船舶有限公司 A kind of protective cover rushing pile pipe for jack-up unit shoe
WO2020211065A1 (en) * 2019-04-19 2020-10-22 江苏亨通蓝德海洋工程有限公司 Offshore platform pile leg high-pressure flushing apparatus
CN211571664U (en) * 2019-09-24 2020-09-25 中国船舶工业集团公司第七0八研究所 Anti-blocking nozzle device of pile punching system
CN213204121U (en) * 2020-06-15 2021-05-14 浙江华东建设工程有限公司 Hybrid pile punching system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114753367A (en) * 2022-05-12 2022-07-15 中船黄埔文冲船舶有限公司 Pile punching device
CN114875915A (en) * 2022-05-23 2022-08-09 广东精铟海洋工程股份有限公司 Prevent blockking up pile shoe towards stake shower nozzle device

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