A ladder for climbing a fixed offshore platform

By designing the ladder of the offshore fixed platform, including the conduit frame, the first and second platforms, as well as the corresponding ladders and inclined ladders, the problems of the large impact of the onshore fixed platform, high risks and multi-layer platforms are not conducive to the weight loss of the conduit frame design, and a safe and economical solution is achieved under different water levels.

CN222713695UActive Publication Date: 2025-04-04SHENZHEN OFFSHORE OIL ENG UNDERWATER TECH CO LTD
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Patent Information

Application Number
CN202420621370.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-28
Publication Date
2025-04-04
Estimated Expiration
2034-03-28

AI Technical Summary

Technical Problem

In the case of unattended offshore fixed platforms, the way people board the platform has problems such as large surge impact, high risk of boarding, and multi-layer platforms are not conducive to the weight loss of conduit frame design.

Method used

A sea fixed platform climbing ladder is designed, including a conduit frame, a first platform and a second platform. The first platform is equipped with a first ladder, the second platform is equipped with a second ladder, a first inclined ladder is provided between the first platform and the second platform, and the second platform is equipped with a second inclined ladder, and one end away from the second platform is arranged on the fixed platform so that personnel can board the fixed platform.

Benefits of technology

Through the first and second platforms designed with two layers, the first and second ladders are set up, which solves the problem of climbing fixed platforms under different water levels. The structure is simple, compact and low cost.

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Abstract

The utility model discloses a ladder for climbing a fixed offshore platform, which comprises a conductor frame, a first platform and a second platform. The first platform and the second platform are arranged on the conductor frame, the first platform is provided with a first ladder, the second platform is provided with a second ladder, a first inclined ladder is arranged between the first platform and the second platform, the second platform is provided with a second inclined ladder, and the second inclined ladder is arranged on the fixed platform away from one end of the second platform so that people can climb onto the fixed platform. The ladder for climbing a fixed offshore platform provided by the utility model is provided by welding the first ladder and the second ladder on the first platform and the second platform respectively. Personnel climb onto the first platform through the first ladder according to the low water level, climb onto the second platform through the italic body, and then enter the fixed offshore platform. Climb onto the second platform through the second ladder at a high water level, and then enter the fixed offshore platform. The application solves the problem of climbing a fixed platform at different water levels through the first ladder and the second ladder.
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Description

Technical Field

[0001] The utility model belongs to the field of marine steel structure engineering, in particular to a ladder for climbing a fixed offshore platform. Background Art

[0002] At present, when the offshore fixed platform is unmanned, there are mainly two ways for personnel to board the platform: one is to set up a gangway between the ship and the platform to board, and the other is for the ship to directly lean against or sideways against the conductor frame and directly board the platform on the conductor frame.

[0003] A gangway is set up between the ship and the platform for boarding. After the gangway is set up, it is greatly affected by the swell waves, the risk of boarding the platform is high, and the cost of use is high; the ship can directly lean against or lean against the jacket to directly board the platform on the jacket. In this process, the height difference between the ship and the platform is greatly affected by the water level. It is necessary to set up multiple layers of platforms according to different water levels, which is not conducive to the design weight reduction of the jacket.

[0004] Therefore, it is urgent to design a ladder for climbing onto a fixed offshore platform to solve the above-mentioned problem of climbing onto the platform from a ship. Utility Model Content

[0005] In order to solve the technical problems mentioned in the background technology that ships boarding the platform via gangways or directly boarding the platform are greatly affected by swells, the risk of boarding the platform is high, and the multi-layer platform is not conducive to the design and weight reduction of the jacket, a ladder for boarding the platform on an offshore fixed platform is provided to solve the problem of boarding the platform from a ship.

[0006] In order to achieve the above-mentioned purpose, the specific technical scheme of the offshore fixed platform climbing ladder of the utility model is as follows:

[0007] A ladder for climbing onto an offshore fixed platform comprises a conductor frame, a first platform and a second platform. The first platform and the second platform are arranged on the conductor frame, the first platform is provided with a first ladder, the second platform is provided with a second ladder, a first inclined ladder is provided between the first platform and the second platform, the second platform is provided with a second inclined ladder, and one end of the second inclined ladder away from the second platform is arranged on the fixed platform so that people can climb onto the fixed platform.

[0008] Furthermore, the first ladder includes a first steel pipe and a second steel pipe, one end of the first steel pipe and the second steel pipe are respectively connected to the first platform, and one end of the first steel pipe and the second steel pipe away from the first platform are respectively connected to the conductor frame.

[0009] Furthermore, the first steel pipe and the second steel pipe are both vertically welded on the first platform, and the first steel pipe and the second steel pipe are spaced apart.

[0010] Furthermore, the second ladder includes a third steel pipe and a fourth steel pipe, one end of the third steel pipe and the fourth steel pipe are respectively connected to the second platform, and one end of the third steel pipe and the fourth steel pipe away from the second platform are respectively connected to the conductor frame.

[0011] Furthermore, the third steel pipe and the fourth steel pipe are both vertically welded on the second platform, and the third steel pipe and the fourth steel pipe are spaced apart.

[0012] Furthermore, a first cross bracing tube is provided between the first steel tube and the second steel tube, one end of the first cross bracing tube is welded to the first steel tube, and one end of the first cross bracing tube away from the first steel tube is welded to the second steel tube.

[0013] Furthermore, a second cross brace tube is provided between the third steel tube and the fourth steel tube, one end of the second cross brace tube is welded to the third steel tube, and one end of the second cross brace tube away from the third steel tube is welded to the fourth steel tube.

[0014] Furthermore, the first inclined ladder is welded and arranged on the first platform, and one end of the first inclined ladder away from the first platform is welded and arranged on the second platform, so that people can climb onto the second platform from the first platform.

[0015] Furthermore, the conductor frame is provided with a ship-mooring member, which is respectively arranged at the lower side of the first platform and the lower side of the second platform.

[0016] Furthermore, the first platform is welded and arranged on the conductor frame, the second platform is welded and arranged on the conductor frame, and the first platform is located at the lower side of the second platform.

[0017] The utility model of the offshore fixed platform climbing ladder has the following advantages:

[0018] By welding the first platform and the second platform respectively, the personnel can climb the first platform through the first ladder according to the low water level, climb the second platform through the italic body, and then enter the offshore fixed platform. At high water level, they can climb the second platform through the second ladder, and then enter the offshore fixed platform. The present application solves the problem of climbing the fixed platform at different water levels by setting the first and second ladders on the first and second platforms of the two-layer design, and has a simple and compact structure and low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a front view of the utility model of the offshore fixed platform climbing ladder;

[0020] Figure 2 It is a front view of a first inclined ladder of the utility model for climbing a platform on an offshore fixed platform.

[0021] Description of the markings in the figure:

[0022] 1. First platform; 2. Second platform; 3. First steel pipe; 4. Second steel pipe; 5. Third steel pipe; 6. Fourth steel pipe; 7. First cross bracing pipe; 8. Second cross bracing pipe; 9. First inclined ladder; 10. Mooring parts. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0024] Those skilled in the art will appreciate that, although some embodiments herein include certain features included in other embodiments but not other features, the combination of features of different embodiments is meant to be within the scope of the present invention and form different embodiments. For example, in the claims, any one of the claimed embodiments may be used in any combination.

[0025] Please refer to the attached Figure 1 To Attachment Figure 2 The utility model is a ladder for climbing onto an offshore fixed platform.

[0026] like Figure 1 As shown, the offshore fixed platform climbing ladder in the utility model includes a conductor frame, a first platform 1 and a second platform 2. The first platform 1 and the second platform 2 are arranged on the conductor frame. The first platform 1 is provided with a first ladder, and the second platform 2 is provided with a second ladder. A first inclined ladder 9 is provided between the first platform 12 and the second platform, and the second platform 2 is provided with a second inclined ladder. The second inclined ladder is provided on the fixed platform away from one end of the second platform so that people can climb onto the fixed platform. By welding the first ladder and the second ladder on the first platform 1 and the second platform 2, respectively, people climb onto the first platform 1 through the first ladder according to the low water level, climb onto the second platform 2 through the italic body, and then enter the offshore fixed platform. At high water levels, people climb onto the second platform 2 through the second ladder, and then enter the offshore fixed platform. The present application solves the problem of climbing fixed platforms at different water levels by setting the first ladder and the second ladder through the two-layer design of the first platform 1 and the second platform 2, and has a simple and compact structure and low cost.

[0027] Further, if Figure 1As shown, the first ladder includes a first steel pipe 3 and a second steel pipe 4, one end of the first steel pipe 3 and the second steel pipe 4 are respectively connected to the first platform 1, and the ends of the first steel pipe 3 and the second steel pipe 4 away from the first platform 1 are respectively connected to the conductor frame; the first steel pipe 3 and the second steel pipe 4 are both vertically welded on the first platform 1, and the first steel pipe 3 and the second steel pipe 4 are spaced apart; the second ladder includes a third steel pipe 5 and a fourth steel pipe 6, one end of the third steel pipe 5 and the fourth steel pipe 6 are respectively connected to the second platform 2, and the ends of the third steel pipe 5 and the fourth steel pipe 6 away from the second platform 2 are respectively connected to the conductor frame; the third steel pipe 5 and the fourth steel pipe 6 are both vertically welded on the second platform 2, and the third steel pipe 5 and the fourth steel pipe 6 are spaced apart.

[0028] In this embodiment, the first steel pipe 3, the second steel pipe 4, the third steel pipe 5 and the fourth steel pipe 6 are steel pipes of equal size, and the lengths are selected according to actual needs. Preferably, the first steel pipe 3, the second steel pipe 4, the third steel pipe 5 and the fourth steel pipe 6 are hollow steel pipes, which can reduce the overall weight of the jacket and have good corrosion resistance, thereby reducing the weight of the jacket of the entire offshore platform.

[0029] The first platform 1 and the second platform 2 are horizontally welded on the conductor frame. The first steel pipe 3 and the second steel pipe 4 are vertically welded on the first platform 1, and the spacing between the first steel pipe 3 and the second steel pipe 4 is selected according to actual use needs; the third steel pipe 5 and the fourth steel pipe 6 are vertically welded on the second platform 2, and the spacing between the third steel pipe 5 and the fourth steel pipe 6 is selected according to actual use needs. Preferably, the welding method of the first steel pipe 3, the second steel pipe 4, the third steel pipe 5 and the fourth steel pipe 6 is end point welding, so as to realize the first steel pipe 3 and the second steel pipe 4 are arranged on the first platform 1, and the third steel pipe 5 and the fourth steel pipe 6 are arranged on the second platform 2.

[0030] Further, if Figure 1As shown, a first cross brace tube 7 is provided between the first steel tube 3 and the second steel tube 4, one end of the first cross brace tube 7 is welded to the first steel tube 3, and the end of the first cross brace tube 7 away from the first steel tube 3 is welded to the second steel tube 4; a second cross brace tube 8 is provided between the third steel tube 5 and the fourth steel tube 6, one end of the second cross brace tube 8 is welded to the third steel tube 5, and the end of the second cross brace tube 8 away from the third steel tube 5 is welded to the fourth steel tube 6. In this embodiment, a plurality of first cross brace tubes 7 are vertically welded to the first steel tube 3, the plurality of first cross brace tubes 7 are arranged at intervals, and the ends of the plurality of first cross brace tubes 7 away from the first steel tube 3 are vertically welded to the second steel tube 4, so that personnel can board the first platform 1 through the plurality of first cross brace tubes 7 provided on the first steel tube 3 and the second steel tube 4. A plurality of second cross bracing tubes 8 are vertically welded on the third steel tube 5, and the plurality of second cross bracing tubes 8 are arranged at intervals. The ends of the plurality of second cross bracing tubes 8 away from the third steel tube 5 are vertically welded on the fourth steel tube 6, so that personnel can climb onto the second platform 2 and then climb onto the fixed platform through the plurality of second cross bracing tubes 8 arranged on the third steel tube 5 and the fourth steel tube 6.

[0031] Further, if Figure 1 and Figure 2 As shown, the first inclined ladder 9 is welded on the first platform 1, and the end of the first inclined ladder 9 away from the first platform 1 is welded on the second platform 2, so that people can climb onto the second platform 5 from the first platform 1; a mooring part is provided on the conductor frame, and the mooring part 10 is respectively arranged on the lower sides of the first platform 1 and the second platform 2; the first platform 1 is welded on the conductor frame, and the second platform 2 is welded on the conductor frame, and the first platform 1 is located at the lower side of the second platform 2.

[0032] In this embodiment, the first platform 1 and the second platform 2 are both arranged on the conductor frame, and the first platform 1 is located at the lower right or lower left of the second platform 2. When the first platform 1 is adapted to the low water level, the personnel board the first platform 1, and when the second platform 2 is adapted to the high water level, the personnel board the second platform 2. One end of the first inclined ladder 9 is welded on the first platform 1, and the other end of the first inclined ladder 9 is welded on the second platform 2. Preferably, a protective handle is provided on the first inclined ladder 9 to enable personnel to board the second platform 2 from the first platform 1, and the protective handle plays a protective role for the personnel. A second inclined ladder is provided between the second platform 2 and the fixed platform to enable personnel to board the fixed platform. A berthing part 10 is correspondingly provided below the first platform 1 and the second platform 2. Preferably, the berthing part 10 is made of rubber material, so that when the ship abuts against the berthing part 10, no damage is caused to the ship itself, and the conductor frame structure is protected.

[0033] The working principle of the offshore fixed platform climbing ladder in the utility model is as follows:

[0034] When the offshore fixed platform is at a high water level, the ship leans against or sideways against the mooring member 10 below the second ladder, and personnel climb up to the second platform 2 through the second ladder, and then climb onto the fixed platform through the second inclined ladder; when the offshore fixed platform is at a low water level, the ship leans against or sideways against the mooring member 10 below the first ladder, and personnel climb up to the first platform 1 through the first ladder, climb onto the second platform 2 from the first inclined ladder 9 of the first platform 1, and then climb onto the fixed platform through the second inclined ladder.

[0035] Based on the ladder for climbing onto a fixed offshore platform, the utility model welds the first ladder and the second ladder on the first platform 1 and the second platform 2 respectively. According to the low water level, personnel climb onto the first platform 1 through the first ladder, climb onto the second platform 2 through the italic body, and then enter the fixed offshore platform. According to the high water level, personnel climb onto the second platform 2 through the second ladder, and then enter the fixed offshore platform. The utility model solves the problem of climbing onto a fixed platform at different water levels by setting the first ladder and the second ladder on the first platform 1 and the second platform 2 with a two-layer design, and has a simple and compact structure and low cost.

[0036] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A ladder for climbing onto an offshore fixed platform, characterized in that: The invention comprises a conductor frame, a first platform and a second platform. The first platform and the second platform are arranged on the conductor frame. The first platform is provided with a first ladder, the second platform is provided with a second ladder, a first inclined ladder is provided between the first platform and the second platform, the second platform is provided with a second inclined ladder, and one end of the second inclined ladder away from the second platform is arranged on a fixed platform so that people can climb onto the fixed platform.

2. The offshore fixed platform climbing ladder according to claim 1, characterized in that: The first ladder includes a first steel pipe and a second steel pipe. One end of the first steel pipe and the second steel pipe are respectively connected to the first platform. One end of the first steel pipe and the second steel pipe away from the first platform are respectively connected to the conductor frame.

3. The offshore fixed platform climbing ladder according to claim 2 is characterized in that: The first steel pipe and the second steel pipe are both vertically welded on the first platform, and the first steel pipe and the second steel pipe are spaced apart.

4. The offshore fixed platform climbing ladder according to claim 1, characterized in that: The second ladder includes a third steel pipe and a fourth steel pipe, one end of the third steel pipe and the fourth steel pipe are respectively connected to the second platform, and one end of the third steel pipe and the fourth steel pipe away from the second platform are respectively connected to the conductor frame.

5. The offshore fixed platform climbing ladder according to claim 4, characterized in that: The third steel pipe and the fourth steel pipe are both vertically welded on the second platform, and the third steel pipe and the fourth steel pipe are spaced apart.

6. The offshore fixed platform climbing ladder according to claim 3, characterized in that: A first cross bracing tube is arranged between the first steel tube and the second steel tube, one end of the first cross bracing tube is welded to the first steel tube, and one end of the first cross bracing tube away from the first steel tube is welded to the second steel tube.

7. The offshore fixed platform climbing ladder according to claim 5, characterized in that: A second cross brace tube is arranged between the third steel tube and the fourth steel tube, one end of the second cross brace tube is welded to the third steel tube, and one end of the second cross brace tube away from the third steel tube is welded to the fourth steel tube.

8. The offshore fixed platform climbing ladder according to claim 4, characterized in that: The first inclined ladder is welded and arranged on the first platform, and one end of the first inclined ladder away from the first platform is welded and arranged on the second platform, so that people can climb onto the second platform from the first platform.

9. The offshore fixed platform climbing ladder according to claim 7, characterized in that: The conductor frame is provided with a ship anchoring member, which is respectively arranged at the lower side of the first platform and the lower side of the second platform.

10. The offshore fixed platform climbing ladder according to claim 9, characterized in that: The first platform is welded and arranged on the conductor frame, the second platform is welded and arranged on the conductor frame, and the first platform is located at the lower side of the second platform.

Citation Information

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