Auxiliary flushing device for leg mounting and pile pulling of Jakcup platform

By designing an auxiliary flushing device for the Jakcup platform's leg installation and pile extraction, utilizing the support frame and high-pressure nozzle connected by the ROV robotic arm, the problem of low operational efficiency caused by silt adhesion was solved, and the surface of the pile legs was thoroughly cleaned.

CN224128051UActive Publication Date: 2026-04-17SHANGHAI OCEAN ENG EQUIP MFG INNOVATION CENT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI OCEAN ENG EQUIP MFG INNOVATION CENT CO LTD
Filing Date
2025-06-19
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

When installing legs and removing piles on the Jakcup platform, the operation efficiency is low due to the adhesion of silt, and traditional flushing methods are not thorough in removing silt.

Method used

Design an auxiliary flushing device that uses a bracket connected to the ROV robotic arm and an adjustable assembly to install a high-pressure nozzle to achieve comprehensive flushing of the pile leg surface.

Benefits of technology

This improved the effectiveness and efficiency of dredging, ensuring the complete removal of silt from the surface of the pile legs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of Jakcup platform leg mounting and pile pulling, and particularly relates to an auxiliary flushing device for Jakcup platform leg mounting and pile pulling, which comprises a support connected with an ROV (remote operated vehicle) mechanical arm, a plurality of mounting holes are arranged at the bottom end of the support, and high-pressure nozzles are arranged in the mounting holes through adjusting components. The support comprises a first square plate, a plurality of mounting holes are formed in the bottom end of the first square plate, the first circulating groove is formed in the first square plate and communicates with the mounting holes, the two ends of the first circulating groove are slidably connected with second square plates, and a plurality of mounting holes are formed in the bottom ends of the second square plates. The support connected with the ROV mechanical arm is arranged, and the high-pressure spray head is installed on the support through the adjusting assembly, so that the surface of a pile leg can be comprehensively flushed when Jakcup platform leg installing and pile pulling are conducted, the desilting effect is improved, and the desilting efficiency is improved.
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Description

Technical Field

[0001] This utility model relates to the field of Jakcup platform leg installation and pile extraction technology, specifically an auxiliary flushing device for Jakcup platform leg installation and pile extraction. Background Technology

[0002] Jakcup platform leg installation and pile extraction refers to the process of pulling out the legs and lifting the platform after the work is completed on a jack-up platform. Currently in the field of marine engineering, the legs of the JAKCUP platform, due to long-term submersion in the seabed silt environment, may face the core challenges of high resistance from silt adhesion and low operational efficiency during pile extraction.

[0003] Currently, the above problems are usually solved by flushing the pile legs. However, traditional flushing methods mainly rely on fixed flushing equipment to flush the pile legs, which may result in incomplete dredging. Therefore, an auxiliary flushing device for installing and removing piles on the Jakcup platform is invented. Utility Model Content

[0004] To solve the above-mentioned technical problems, according to one aspect of the present invention, the present invention provides the following technical solution:

[0005] An auxiliary flushing device for installing legs and removing piles on a Jakcup platform includes a bracket connected to an ROV robotic arm. The bottom end of the bracket has several mounting holes, and high-pressure nozzles are installed in the mounting holes through an adjustment component.

[0006] As a preferred embodiment of the auxiliary flushing device for Jakcup platform leg installation and pile removal described in this utility model, the support includes:

[0007] The first square plate has several mounting holes at its bottom end;

[0008] The first flow groove is formed in the first square plate and is connected to the mounting hole.

[0009] The second square plate is slidably connected to both ends of the first flow groove, and the bottom end of the second square plate is provided with several mounting holes.

[0010] The second flow groove is formed in the second square plate and is connected to the mounting hole.

[0011] As a preferred embodiment of the auxiliary flushing device for Jakcup platform leg installation and pile removal described in this utility model, the support further includes:

[0012] The box body is fixedly installed at both ends of the top of the first square plate by connecting plates;

[0013] An electric actuator is fixedly installed in the housing, and the actuator rod is fixedly installed on the top of the second square plate via a connecting plate.

[0014] As a preferred embodiment of the auxiliary flushing device for Jakcup platform leg installation and pile extraction described in this utility model, the adjusting component includes:

[0015] A fixing plate is fixedly installed on the top end of the inner cavity of the mounting hole;

[0016] A hollow tube is rotatably connected to a fixed plate via a bearing, and a flexible hose is provided between the hollow tube and the high-pressure nozzle.

[0017] As a preferred embodiment of the auxiliary flushing device for Jakcup platform leg installation and pile extraction described in this utility model, the adjusting component further includes:

[0018] A circular plate, which is fixedly installed on the bottom end of the hollow tube;

[0019] The first submersible motor is fixedly mounted on the bottom of the fixed plate.

[0020] As a preferred embodiment of the auxiliary flushing device for Jakcup platform leg installation and pile extraction described in this utility model, the adjusting component further includes:

[0021] The first gear is fixedly mounted on the output shaft of the first submersible motor via a connecting shaft;

[0022] The second gear is fixedly mounted on the hollow tube, and the first gear and the second gear are meshed together.

[0023] As a preferred embodiment of the auxiliary flushing device for Jakcup platform leg installation and pile extraction described in this utility model, the adjusting component further includes:

[0024] A protective cover, which is fixedly installed on the bottom of a fixed plate, with a hollow tube passing through the protective cover;

[0025] Side plates are fixedly installed at both ends of the bottom of the circular plate.

[0026] As a preferred embodiment of the auxiliary flushing device for Jakcup platform leg installation and pile extraction described in this utility model, the adjusting component further includes:

[0027] A rotating shaft is rotatably connected between two sets of side plates via bearings, and a high-pressure nozzle is fixedly installed between the two sets of rotating shafts;

[0028] The second submersible motor is fixedly mounted on a set of side plates, and the output shaft of the second submersible motor is fixedly connected to the rotating shaft.

[0029] Compared with existing technologies:

[0030] By setting up a bracket connected to the ROV robotic arm and installing a high-pressure nozzle on the bracket using an adjustment component, the surface of the pile legs can be thoroughly washed during the installation and removal of pile legs on the Jakcup platform, which not only improves the dredging effect but also increases the dredging efficiency. Attached Figure Description

[0031] Figure 1 This is a front view schematic diagram of the structure of this utility model;

[0032] Figure 2 This utility model Figure 1 Enlarged schematic diagram of the structure at point A in the middle;

[0033] Figure 3 This is a top view of the structure of this utility model;

[0034] Figure 4 This is a schematic diagram of the protective cover structure of this utility model.

[0035] In the figure: First square plate 10, first flow channel 11, second square plate 12, second flow channel 13, box body 14, electric push rod 15, mounting hole 20, high pressure nozzle 30, fixing plate 40, hollow tube 41, round plate 42, first submersible motor 43, first gear 44, second gear 45, protective cover 46, side plate 47, rotating shaft 48, second submersible motor 49. Detailed Implementation

[0036] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0037] This utility model provides an auxiliary flushing device for installing legs and removing piles on a Jakcup platform. Please refer to [link / reference needed]. Figures 1-4 It includes a bracket connected to the ROV robotic arm, and the bottom end of the bracket has several mounting holes 20. High-pressure nozzles 30 are installed in the mounting holes 20 through an adjustment component.

[0038] The support includes: a first square plate 10, a first flow channel 11, a second square plate 12, a second flow channel 13, a box body 14, and an electric push rod 15;

[0039] The bottom end of the first square plate 10 has several mounting holes 20. A first flow groove 11 is formed in the first square plate 10 and is connected to the mounting holes 20. Both ends of the first flow groove 11 are slidably connected to the second square plate 12. A sealing ring can be provided at the connection between the first flow groove 11 and the second square plate 12 as needed. In addition, a set of second square plates 12 has a flexible water pipe on its side for connection with an external water pump, and the bottom end of the second square plate 12 has several mounting holes 20. The second flow groove 13... The second square plate 12 is formed, and the second flow groove 13 is connected to the mounting hole 20. The top two ends of the first square plate 10 are fixedly mounted on the box body 14 through the connecting plate. The electric push rod 15 is fixedly mounted in the box body 14, and the push rod of the electric push rod 15 is fixedly mounted on the top of the second square plate 12 through the connecting plate. The electric push rod 15 is preferably the electric push rod in patent CN213072337U. In addition, a sealing ring can be set between the push rod of the electric push rod 15 and the box body 14 as needed.

[0040] The adjustment assembly includes: a fixed plate 40, a hollow tube 41, a circular plate 42, a first submersible motor 43, a first gear 44, a second gear 45, a protective cover 46, a side plate 47, a rotating shaft 48, and a second submersible motor 49;

[0041] The fixing plate 40 is fixedly installed on the top of the inner cavity of the mounting hole 20. The hollow tube 41 is rotatably connected to the fixing plate 40 via a bearing, preferably the bearing in patent CN210290239U. A flexible hose is provided between the hollow tube 41 and the high-pressure nozzle 30, with a length allowable according to requirements. The circular plate 42 is fixedly installed on the bottom end of the hollow tube 41. The first submersible motor 43 is fixedly installed on the bottom of the fixing plate 40. The output shaft of the first submersible motor 43 is fixedly installed with the first gear 44 via a connecting shaft. The second gear 45 is fixedly installed on the hollow tube 41, and the first gear 44 and the second gear 45 are meshed together. The cover 46 is fixedly installed on the bottom of the fixed plate 40, and the hollow tube 41 passes through the cover 46. A sealing ring can be set between the hollow tube 41 and the cover 46 as needed. The first submersible motor 43, the first gear 44, and the second gear 45 are located in the cover 46. Side plates 47 are fixedly installed at both ends of the bottom of the circular plate 42. The rotating shaft 48 is rotatably connected between the two sets of side plates 47 through a bearing. The bearing is preferably the bearing in patent CN210290239U. The second submersible motor 49 is fixedly installed on a set of side plates 47, and the high-pressure nozzle 30 is fixedly installed between the two sets of rotating shafts 48. The output shaft of the second submersible motor 49 is fixedly connected to the rotating shaft 48.

[0042] When installing legs and extracting piles on the Jakcup platform, the specific steps for those skilled in the art are as follows:

[0043] First, the lengths of the first square plate 10 and the second square plate 12 are adjusted by the electric push rod 15 to match the lengths of the first square plate 10 and the second square plate 12 with the dimensions of the pile leg. Then, the ROV robotic arm moves the support along the pile leg. During the movement, an external water pump sprays liquid (including but not limited to water) onto the surface of the pile leg through the high-pressure nozzle 30, thereby washing away the silt on the pile leg. At the same time, the spray angle of the high-pressure nozzle 30 is adjusted by the cooperation of the first submersible motor 43 and the second submersible motor 49 to increase the rinsing range. During the rinsing process, the spray pressure can be set as needed.

[0044] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A device for assisting the flushing of a leg-jacking pile for a Jakcup platform, characterized in that, It includes a bracket connected to the ROV robotic arm, and the bottom end of the bracket has several mounting holes (20), and a high-pressure nozzle (30) is provided in the mounting holes (20) through an adjustment component.

2. The auxiliary flushing device for the Jakcup platform leg pile pulling according to claim 1, characterized in that, The support includes: The first square plate (10) has several mounting holes (20) at its bottom end; The first flow groove (11) is formed in the first square plate (10) and is connected to the mounting hole (20); The second square plate (12) is slidably connected to both ends of the first flow groove (11), and the bottom end of the second square plate (12) is provided with several mounting holes (20). The second flow groove (13) is formed in the second square plate (12) and is connected to the mounting hole (20).

3. The auxiliary flushing device for Jakcup platform leg pile pulling according to claim 2, characterized in that, The support also includes: Box body (14), the top two ends of the first square plate (10) are fixedly installed with box body (14) by connecting plates; An electric push rod (15) is fixedly installed in the housing (14), and the push rod of the electric push rod (15) is fixedly installed on the top of the second square plate (12) through a connecting plate.

4. The auxiliary flushing device for Jakcup platform leg pile pulling according to claim 1, characterized in that, The adjustment component includes: A fixing plate (40) is fixedly installed on the top end of the inner cavity of the mounting hole (20); A hollow tube (41) is rotatably connected to a fixed plate (40) via a bearing, and a flexible hose is provided between the hollow tube (41) and the high-pressure nozzle (30).

5. The auxiliary flushing device for Jakcup platform leg pile pulling according to claim 4, characterized in that, The adjustment component further includes: A circular plate (42) is fixedly installed on the bottom end of a hollow tube (41); The first submersible motor (43) is fixedly mounted on the bottom of the fixed plate (40).

6. The auxiliary flushing device for Jakcup platform leg pile pulling according to claim 5, characterized in that, The adjustment component further includes: The first gear (44) is fixedly mounted on the output shaft of the first submersible motor (43) via a connecting shaft; The second gear (45) is fixedly mounted on the hollow tube (41), and the first gear (44) and the second gear (45) are meshed together.

7. The auxiliary flushing device for Jakcup platform leg pile pulling according to claim 6, characterized in that, The adjustment component further includes: A protective cover (46) is fixedly installed on the bottom of a fixed plate (40), and a hollow tube (41) passes through the protective cover (46); Side plates (47) are fixedly installed at both ends of the bottom of the circular plate (42).

8. The auxiliary flushing device for Jakcup platform leg pile pulling according to claim 7, characterized in that, The adjustment component further includes: A rotating shaft (48) is rotatably connected between two sets of side plates (47) via bearings, and a high-pressure nozzle (30) is fixedly installed between the two sets of rotating shafts (48); The second submersible motor (49) is fixedly mounted on a set of side plates (47), and the output shaft of the second submersible motor (49) is fixedly connected to the rotating shaft (48).