Bow wave compensation ship passing platform

By designing a wave-compensation transit platform at the bow, the effects of waves are offset by amplitude and telescopic movements, thus solving the operational risks caused by ship swaying and achieving safe and reliable personnel transfer and a stable offshore engineering operation environment.

CN223658363UActive Publication Date: 2025-12-12NANTONG SAIJUN OCEAN TECH CO LTD
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Patent Information

Application Number
CN202520071002.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2025-12-12
Estimated Expiration
2035-01-13

AI Technical Summary

Technical Problem

When a vessel operates close to a drilling platform, the frequent swaying of its bow due to wave forces increases the operational risk, potentially leading to collisions that endanger personnel and equipment safety and cause economic losses.

Method used

Design a bow wave-compensated transit platform to counteract the influence of the ship in the directions of heave, roll, sway, and pitch by using amplitude-shifting and telescopic movements. The platform's stability is compensated by using drive cylinders and synchronous servo motors.

Benefits of technology

This reduced the risk of docking deviations caused by ship swaying, ensured the safe transfer of personnel, enhanced the sense of security and work enthusiasm of the workers, avoided work stoppages and delays caused by personnel transfer accidents, and safeguarded the economic benefits and personnel safety of the project.

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Abstract

The utility model discloses a bow wave compensation ship passing platform which comprises an installation base, a variable amplitude platform, a driving electric cylinder and a telescopic platform. The amplitude variation platform comprises an amplitude variation platform main body, a left side driving top end cross shaft, a central driving top end cross shaft, a right side driving top end cross shaft, a left side rack, a right side rack, a left side amplitude variation guardrail and a right side amplitude variation guardrail; the left gear is installed at the leftmost end of the synchronizing shaft and meshed with the left rack, the right gear is installed at the rightmost end of the synchronizing shaft and meshed with the right rack, and the foundation is built for continuous propelling of the whole offshore engineering operation, so that the economic benefit of a project and the life safety of personnel are guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of wave compensation technology, and specifically relates to a ship bow wave compensation over-ship platform. BACKGROUND

[0002] In today's marine transportation and operation field, ships are faced with many complex and extremely challenging working conditions, and the influence of waves is always one of the key problems that trouble the development of the industry.

[0003] In the field of ocean engineering, special ships such as material supply ships and engineering work ships of offshore oil drilling platforms are also affected. When these ships are close to the drilling platform for operation, accurate positioning and stable posture are required to ensure the safe hoisting of goods and equipment and the smooth transfer of personnel. However, the un-compensated wave force will make the bow of the ship frequently up and down and left and right, greatly increasing the operation risk. A slight mistake may cause a collision accident, endangering the safety of personnel and valuable equipment and causing incalculable economic losses. SUMMARY

[0004] In view of the above problems existing in the prior art, the present application provides a ship bow wave compensation over-ship platform.

[0005] The technical scheme of the utility model is as follows:

[0006] A ship bow wave compensation over-ship platform, comprising a mounting base, an amplitude platform, a drive cylinder, and an extension platform, the base body of the mounting base is fixedly installed at the central position of the bow deck of the ship, the front end of the mounting base is consistent with the direction of the bow of the ship, and the mounting base comprises a base body, a support column, a support cross shaft, a left side drive bottom end cross shaft, a central drive bottom end cross shaft, and a right side drive bottom end cross shaft.

[0007] The amplitude platform comprises an amplitude platform body, a left side drive top end cross shaft, a central drive top end cross shaft, a right side drive top end cross shaft, a left side rack, a right side rack, a left side amplitude guardrail, and a right side amplitude guardrail.

[0008] The rear central lower surface of the amplitude platform body is rigidly fixed with the upper end ear plate seat of the support cross shaft, the upper end ear plate seat one of the left side drive top end cross shaft is fixedly installed at the leftmost side of the lower surface of the amplitude platform body, the upper end ear plate seat two of the central drive top end cross shaft is fixedly installed at the right side of the central of the lower surface of the amplitude platform body, and the upper end ear plate seat three of the right side drive top end cross shaft is fixedly installed at the rightmost side of the lower surface of the amplitude platform body.

[0009] The driving electric cylinders comprise a left driving electric cylinder body, a central driving electric cylinder body, a right driving electric cylinder body, a left driving electric cylinder rod, a central driving electric cylinder rod and a right driving electric cylinder rod;

[0010] The tail end of the left driving electric cylinder body is fixedly installed on the upper ear plate seat one of the left driving bottom end cross shaft, the tail end of the central driving electric cylinder body is fixedly installed on the upper ear plate seat two of the central driving bottom end cross shaft, and the tail end of the right driving electric cylinder body is fixedly installed on the upper ear plate seat three of the right driving bottom end cross shaft.

[0011] The telescopic platform comprises a telescopic platform body, a double-shaft synchronous servo motor, a synchronous shaft, a left gear, a right gear, a left telescopic guardrail and a right telescopic guardrail.

[0012] As a preferred embodiment of the utility model: the left side gear is installed in the leftmost plate of the upper surface of the variable amplitude platform body in the front and back directions, and the right side gear is installed in the rightmost plate of the upper surface of the variable amplitude platform body in the front and back directions.

[0013] As a preferred embodiment of the utility model: the left side gear is installed in the leftmost plate of the upper surface of the variable amplitude platform body in the front and back directions, and the right side gear is installed in the rightmost plate of the upper surface of the variable amplitude platform body in the front and back directions.

[0014] As a preferred embodiment of the utility model: the left side driving electric cylinder rod telescopic moves in the left side driving electric cylinder body, the central driving electric cylinder rod telescopic moves in the central driving electric cylinder body, and the right side driving electric cylinder rod telescopic moves in the right side driving electric cylinder body.

[0015] As a preferred embodiment of the utility model: the top end of the left side driving electric cylinder rod is rigidly fixed with the left side driving top end cross shaft, the top end of the central driving electric cylinder rod is rigidly fixed with the central driving top end cross shaft, and the top end of the right side driving electric cylinder rod is rigidly fixed with the right side driving top end cross shaft.

[0016] As a preferred embodiment of the utility model: the left side driving electric cylinder rod telescopic moves in the left side driving electric cylinder body, the central driving electric cylinder rod telescopic moves in the central driving electric cylinder body, and the right side driving electric cylinder rod telescopic moves in the right side driving electric cylinder body.

[0017] The utility model discloses the beneficial effect is:

[0018] The utility model discloses a ship bow wave compensation over ship platform, through amplitude motion and telescopic motion, offset the influence force produced in the heave, roll, sway and surge direction when the ship deep far sea top -contact operation, greatly reduced the docking deviation risk caused by ship sway, ensure that personnel can safely, smoothly from the ship cross to the drilling platform, or vice versa, not only guarantee the safety of single personnel transfer, from the long -term operation process, the stable and reliable personnel transfer environment improves the safety of operation personnel, improves the working enthusiasm and concentration, indirectly for the whole offshore engineering operation's continuous promotion builds the solid foundation, avoids the shutdown, delay construction period etc. problem caused by personnel transfer accident, guarantees the economic benefit of project and the life safety of personnel. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is the three-dimensional structure schematic diagram of the utility model;

[0020] Fig. 2 It is the front view structure schematic diagram of the utility model;

[0021] Fig. 3 It is the elevation structure schematic diagram of telescopic platform main part.

[0022] In the drawing: 1 - installation base, 100 - base main body, 101 - support column, 102 - support cross shaft, 103 - left side drive bottom end cross shaft, 104 - central drive bottom end cross shaft, 105 - right side drive bottom end cross shaft, 2 - amplitude platform, 200 - amplitude platform main body, 201 - left side drive top end cross shaft, 202 - central drive top end cross shaft, 203 - right side drive top end cross shaft, 204 - left side rack, 205 - right side rack, 206 - left side amplitude guardrail, 207 - right side amplitude guardrail, 3 - drive electric cylinder, 301 - left side drive electric cylinder cylinder body, 302 - central drive electric cylinder cylinder body, 303 - right side drive electric cylinder cylinder body, 304 - left side drive electric cylinder cylinder rod, 305 - central drive electric cylinder cylinder rod, 306 - right side drive electric cylinder cylinder rod, 4 - telescopic platform, 400 - telescopic platform main body, 401 - double shaft synchronous servo motor, 402 - synchronous shaft, 403 - left side gear, 404 - right side gear, 405 - left side telescopic guardrail, 406 - right side telescopic guardrail. DETAILED DESCRIPTION

[0023] The utility model is specifically described below in connection with the drawings and examples. Obviously, the described example is only a part of the utility model example, not all examples. Based on the example in the utility model, all other examples obtained by the person skilled in the art without making creative labor belong to the scope of the utility model protection.

[0024] As Figs. 1-3As shown, a ship bow wave compensation overboard platform, including installation base 1, variable amplitude platform 2, drive cylinder 3, telescopic platform 4, installation base 1 set base body 100 fixedly installed in the central position of the bow deck, the front end of the installation base 1 is consistent with the bow direction, the installation base 1 includes base body 100, support column 101, support cross shaft 102, left side drive bottom cross shaft 103, central drive bottom cross shaft 104, right side drive bottom cross shaft 105, support column 101 is arranged at the central rear side of base body 100, the lower end ear plate seat of support cross shaft 102 is installed on the top end of the rotary bearing of support column 101;

[0025] Variable amplitude platform 2 includes variable amplitude platform body 200, left side drive top cross shaft 201, central drive top cross shaft 202, right side drive top cross shaft 203, left side rack 204, right side rack 205, left side variable amplitude guardrail 206, right side variable amplitude guardrail 207;

[0026] The rear central lower surface of the variable amplitude platform body 200 is rigidly fixed with the upper end ear plate seat of the support cross shaft 102, the upper end ear plate seat one of the left side drive top cross shaft 201 is fixedly installed at the leftmost side of the lower surface of the variable amplitude platform body 200, the upper end ear plate seat two of the central drive top cross shaft 202 is fixedly installed at the right side of the central of the lower surface of the variable amplitude platform body 200, the upper end ear plate seat three of the right side drive top cross shaft 203 is fixedly installed at the rightmost side of the lower surface of the variable amplitude platform body 200;

[0027] Drive cylinder 3 includes left side drive cylinder body 301, central drive cylinder body 302, right side drive cylinder body 303, left side drive cylinder rod 304, central drive cylinder rod 305, right side drive cylinder rod 306;

[0028] The tail end of the left side drive cylinder body 301 is fixedly installed on the upper ear plate seat one of the left side drive bottom cross shaft 103, the tail end of the central drive cylinder body 302 is fixedly installed on the upper ear plate seat two of the central drive bottom cross shaft 104, the tail end of the right side drive cylinder body 303 is fixedly installed on the upper ear plate seat three of the right side drive bottom cross shaft 105;

[0029] The telescopic platform 4 comprises a telescopic platform body 400, a double-shaft synchronous servo motor 401, a synchronous shaft 402, a left side gear 403, a right side gear 404, a left side telescopic guardrail 405 and a right side telescopic guardrail 406.

[0030] The left side gear 403 is installed at the leftmost end of the synchronous shaft 402 and is engaged with the left side rack 204, and the right side gear 404 is installed at the rightmost end of the synchronous shaft 402 and is engaged with the right side rack 205.

[0031] The left side telescopic guardrail 405 is fixedly installed on the left side of the upper surface of the telescopic platform body 400, and the right side telescopic guardrail 406 is fixedly installed on the right side of the upper surface of the telescopic platform body 400, so that the occurrence of accidental injuries can be reduced.

[0032] In summary, the ship bow wave compensation overboard platform can offset the influence generated in the heave, roll, sway and surge directions during the deep sea top-approaching operation of the ship through the amplitude motion and telescopic motion, greatly reduces the risk of docking deviation caused by the ship sway, can ensure that personnel safely and smoothly cross from the ship to the drilling platform, or vice versa, not only ensures the safety of single personnel transfer, but also improves the safety of operation personnel from the long-term operation process, improves the work enthusiasm and concentration, indirectly lays a solid foundation for the continuous promotion of the entire offshore engineering operation, avoids the problems of shutdown and delay of construction period caused by personnel transfer accidents, and guarantees the economic benefits of the project and the safety of personnel.

[0033] Although the embodiments of the present application have been disclosed as above, it is not limited to the application listed in the specification and the embodiments, and can be applied to various fields suitable for the present application. For those skilled in the art, various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and therefore the present application is not limited to specific details under the general concept defined by the claims and the equivalent range.

Claims

1. A ship bow wave compensation transit platform, comprising a mounting base (1), a variable amplitude platform (2), a drive cylinder (3), and a telescopic platform (4), wherein the mounting base (1) has a base body (100) fixedly installed at the center of the bow deck, and the front end of the mounting base (1) is aligned with the bow direction, the mounting base (1) includes a base body (100), a support column (101), a support cross shaft (102), a left drive bottom cross shaft (103), a central drive bottom cross shaft (104), and a right drive bottom cross shaft (105), wherein the support column (101) is located at the center rear side of the base body (100), and the lower end ear plate seat of the support cross shaft (102) is installed on the slewing bearing at the top of the support column (101); The luffing platform (2) includes a luffing platform body (200), a left drive top cross shaft (201), a central drive top cross shaft (202), a right drive top cross shaft (203), a left rack (204), a right rack (205), a left luffing guardrail (206), and a right luffing guardrail (207). The lower rear center surface of the luffing platform body (200) is rigidly fixed to the upper end ear plate seat of the support cross shaft (102). The upper end ear plate seat one of the left drive top cross shaft (201) is fixedly installed on the leftmost side of the lower surface of the luffing platform body (200). The upper end ear plate seat two of the central drive top cross shaft (202) is fixedly installed on the right side of the lower surface of the luffing platform body (200). The upper end ear plate seat three of the right drive top cross shaft (203) is fixedly installed on the rightmost side of the lower surface of the luffing platform body (200). The drive cylinder (3) includes a left drive cylinder body (301), a central drive cylinder body (302), a right drive cylinder body (303), a left drive cylinder rod (304), a central drive cylinder rod (305), and a right drive cylinder rod (306). The tail end of the left drive electric cylinder body (301) is fixedly installed on the upper ear plate seat one of the left drive bottom cross shaft (103), the tail end of the central drive electric cylinder body (302) is fixedly installed on the upper ear plate seat two of the central drive bottom cross shaft (104), and the tail end of the right drive electric cylinder body (303) is fixedly installed on the upper ear plate seat three of the right drive bottom cross shaft (105). The telescopic platform (4) includes a telescopic platform body (400), a dual-axis synchronous servo motor (401), a synchronous shaft (402), a left gear (403), a right gear (404), a left telescopic guardrail (405), and a right telescopic guardrail (406). The telescopic platform body (400) is installed on the inner recess of the upper surface of the luffing platform body (200) and slides back and forth relative to the luffing platform body (200). The dual-axis synchronous servo motor (401) is installed at the center of the tail of the telescopic platform body (400). The synchronous shaft (402) passes through the dual-axis synchronous servo motor (401) to keep both ends rotating synchronously. The left gear (403) is installed at the leftmost end of the synchronous shaft (402) and meshes with the left rack (204). The right gear (404) is installed at the rightmost end of the synchronous shaft (402) and meshes with the right rack (205).

2. The bow wave compensation transit platform as described in claim 1, characterized in that, The left rack (204) is installed in the leftmost plate on the upper surface of the luffing platform body (200) in the front-back direction, and the right rack (205) is installed in the rightmost plate on the upper surface of the luffing platform body (200) in the front-back direction.

3. The bow wave compensation transit platform as described in claim 1, characterized in that, The left luffing guardrail (206) is installed outside the leftmost plate on the upper surface of the luffing platform body (200), and the right luffing guardrail (207) is installed outside the rightmost plate on the upper surface of the luffing platform body (200).

4. The bow wave compensation transit platform as described in claim 1, characterized in that, The left drive cylinder rod (304) extends and retracts within the left drive cylinder body (301), the central drive cylinder rod (305) extends and retracts within the central drive cylinder body (302), and the right drive cylinder rod (306) extends and retracts within the right drive cylinder body (303).

5. The bow wave compensation transit platform as described in claim 1, characterized in that, The top end of the left drive cylinder rod (304) is rigidly fixed to the left drive top cross shaft (201), the top end of the central drive cylinder rod (305) is rigidly fixed to the central drive top cross shaft (202), and the top end of the right drive cylinder rod (306) is rigidly fixed to the right drive top cross shaft (203).

6. The bow wave-compensating transit platform as described in any one of claims 1-5, characterized in that, The left telescopic guardrail (405) is fixedly installed on the left side of the upper surface of the telescopic platform body (400), and the right telescopic guardrail (406) is fixedly installed on the right side of the upper surface of the telescopic platform body (400).