Mooring cable anode sacrifice block protection device

By clamping the protective block on the mooring cable anode sacrificial block and fixing it on the mooring cable anchor, the safety hazards and maintenance costs caused by loose connections and welding fixation of the anode sacrificial block are solved, and higher stability and lower maintenance costs are achieved.

CN222908081UActive Publication Date: 2025-05-27CHINA NAT OFFSHORE OIL CORP +1
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Patent Information

Application Number
CN202421826880.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-31
Publication Date
2025-05-27
Estimated Expiration
2034-07-31

AI Technical Summary

Technical Problem

The mooring cable anode sacrificial block is prone to loosening or falling off due to collision during installation or use, resulting in protection failure; traditional welding and fixing methods lead to thermal stress damage to the anchor, and the parts cannot be replaced, which poses safety hazards and increases maintenance costs.

Method used

A protective device for mooring cable anode sacrificial block is designed. By clamping the protective block on the anode sacrificial block, it is fixed to the mooring cable anchor, avoiding traditional bolt connections and welding fixing, and using the clamping method improves stability and replaceability.

Benefits of technology

It effectively prevents the anode sacrificial block from loosening or falling off due to collision, avoids thermal stress damage and safety hazards caused by welding fixation, and reduces the safe use and maintenance costs of mooring cable products.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a mooring rope anode sacrifice block protection device which comprises a steel cable and a mooring rope anchorage device, one end of the mooring rope anchorage device is connected with the steel cable, the outer wall of the mooring rope anchorage device is connected with a lifting point, and the mooring rope anchorage device achieves underwater lifting through the lifting point. An anode sacrifice block is arranged at the end, away from the steel cable, of the mooring cable anchorage device, a protection block is clamped to the anode sacrifice block so that the anode sacrifice block can be fixed to one end of the mooring cable anchorage device, the end, provided with the anode sacrifice block, of the mooring cable anchorage device is connected with a pin shaft, and the end, away from the mooring cable anchorage device, of the pin shaft is connected to the seabed. According to the mooring cable anode sacrifice block protection device, the protection block is clamped on the anode sacrifice block, so that the anode sacrifice block is fixed at one end of the mooring cable anchorage device, and on the basis that the original mooring cable anchorage device and the anode sacrifice block are connected through bolts, the protection block is used for achieving the purpose of protecting, optimizing and upgrading the anode sacrifice block for the mooring cable; assembly is simple and convenient.
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Description

Technical Field

[0001] The utility model belongs to the technical field of metal product processing, and particularly relates to a protection device for a sacrificial anode block of a mooring cable. Background Art

[0002] Due to working in seawater for a long time, the mooring cable bears external forces such as wind, waves, ocean currents, etc., as well as microbial corrosion and electrochemical corrosion brought by seawater. The mooring cable is prone to fatigue, resulting in failures, which affects the safety and reliability of the offshore platform. At present, sacrificial anode protection technology is generally adopted for underwater facilities in ocean engineering to achieve the purpose of protecting steel structures.

[0003] The mooring cable anchor and the sacrificial anode block are connected by bolts, and the sacrificial anode block is exposed outside the anchor. During installation or production use, due to displacement, dragging, etc., other objects in the environment will accidentally collide with the sacrificial anode block, resulting in loose connection or even detachment of the sacrificial anode block, causing the protection to fail. Welding and fixing the mooring cable anchor to the bolt easily causes thermal stress damage to the mooring cable anchor and even the steel wire, and each part is not replaceable, there are safety hazards in welding, increasing the safety use cost and maintenance cost of the mooring cable product.

[0004] Therefore, it is urgent to design a protection device for the sacrificial anode block of the mooring cable to solve the problem of protecting the sacrificial anode block mentioned above. Summary of the Utility Model

[0005] To solve the technical problems mentioned in the background art that during displacement, dragging, etc., other objects in the environment will accidentally collide with the sacrificial anode block, resulting in loose connection or even detachment of the sacrificial anode block, causing the protection to fail; welding and fixing the mooring cable anchor to the bolt easily causes thermal stress damage to the mooring cable anchor and even the steel wire, and each part is not replaceable, there are safety hazards in welding, a protection device for the sacrificial anode block of the mooring cable is provided to solve the problem of protecting the sacrificial anode block.

[0006] To achieve the above object, the specific technical solution of the protection device for the sacrificial anode block of the mooring cable of the present utility model is as follows:

[0007] A protection device for a sacrificial anode block of a mooring cable includes a steel cable and a mooring cable anchor. One end of the mooring cable anchor is connected to the steel cable, a lifting point is connected to the outer wall of the mooring cable anchor, and the mooring cable anchor is hoisted underwater through the lifting point. An anode sacrificial block is provided at one end of the mooring cable anchor far from the steel cable, and a protection block is clamped on the anode sacrificial block to fix the anode sacrificial block at one end of the mooring cable anchor. A pin shaft is connected to one end of the mooring cable anchor where the anode sacrificial block is provided, and the end of the pin shaft far from the mooring cable anchor is connected to the seabed.

[0008] Further, the protective block includes a protective ring and a protective baffle. Both ends of the protective baffle are respectively connected to the protective ring along the radial direction of the protective ring.

[0009] Further, the side of the protective baffle close to the protective ring is rectangular, and the side of the protective baffle away from the protective ring is arc-shaped.

[0010] Further, the lifting points include a first lifting point and a second lifting point. The first lifting point and the second lifting point are symmetrically connected to the outer wall of the mooring cable anchor to lift and place the mooring cable anchor.

[0011] Further, both the first lifting point and the second lifting point are vertically connected to the outer wall of the mooring cable anchor through bolts.

[0012] Further, the sacrificial anode block is connected to one end of the mooring cable anchor through screws, and the mooring cable anchor and the sacrificial anode block are clamped through the protective baffle.

[0013] Further, a fixing ring is connected to the outer wall of one end of the mooring cable anchor close to the sacrificial anode block, and the protective baffle is clamped on the fixing ring and the sacrificial anode block.

[0014] Further, support plates are symmetrically arranged at one end of the mooring cable anchor connected to the sacrificial anode block, and a pin shaft is rotatably connected to the support plates.

[0015] Further, a rotating connector is connected to one end of the steel cable, and the steel cable is connected to the mooring cable anchor through the rotating connector.

[0016] Further, the mooring cable anchor is cylindrical.

[0017] The mooring cable sacrificial anode block protection device of the present utility model has the following advantages:

[0018] By clamping the protective block on the sacrificial anode block, the sacrificial anode block is fixed at one end of the mooring cable anchor. On the basis of the original bolt connection between the mooring cable anchor and the sacrificial anode block, the use of the protective block achieves the purpose of optimizing and upgrading the protection of the mooring cable with the sacrificial anode block, and the assembly is simple and convenient. This application avoids the situation that during the installation or production and use process, due to displacement, dragging, etc., other objects in the environment will accidentally collide with the sacrificial anode block, resulting in the loosening or even falling off of the connection of the sacrificial anode block and causing the protection to fail; it avoids the thermal stress damage of the mooring cable anchor, the non-replaceability of each part, the safety hazards of welding, and the anti-corrosion damage caused by traditional welding fixation, and reduces the safety use cost and maintenance cost of the mooring cable product. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic structural diagram of the mooring cable sacrificial anode block protection device of the present utility model;

[0020] Figure 2This is an assembly schematic diagram of the mooring cable anode sacrificial block protection device of the present utility model.

[0021] Description of the markings in the figure:

[0022] 1. Steel cable; 2. Mooring cable anchor; 3. Protection block; 31. Protection ring; 32. Protection baffle; 4. Pin shaft; 5. First lifting point; 6. Second lifting point; 7. Bolt; 8. Fixed ring; 9. Support plate; 10. Rotating connection head. Specific implementation manners

[0023] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0024] Those skilled in the art can understand that although some embodiments herein include some features included in other embodiments rather than other features, the combination of the features of different embodiments means that it is within the scope of the present utility model and forms different embodiments. For example, in the claims, any one of the claimed embodiments can be used in any combination.

[0025] Next, refer to the attached Figure 1 to the attached Figure 2 to describe the mooring cable anode sacrificial block protection device of the present utility model.

[0026] As Figure 1 shown, the mooring cable anode sacrificial block protection device in the present utility model includes a steel cable 1 and a mooring cable anchor 2. One end of the mooring cable anchor 2 is connected to the steel cable 1. A lifting point is connected to the outer wall of the mooring cable anchor 2. The mooring cable anchor 2 is lowered underwater through the lifting point. An anode sacrificial block is provided at one end of the mooring cable anchor 2 away from the steel cable 1. A protection block 3 is clamped on the anode sacrificial block to fix the anode sacrificial block at one end of the mooring cable anchor 2. A pin shaft 4 is connected to the end of the mooring cable anchor 2 where the anode sacrificial block is provided, and the end of the pin shaft 4 away from the mooring cable anchor 2 is connected to the seabed. By clamping the protection block 3 on the anode sacrificial block to fix the anode sacrificial block at one end of the mooring cable anchor 2, on the basis of the original bolt connection between the mooring cable anchor 2 and the anode sacrificial block, the use of the protection block 3 achieves the purpose of optimizing and upgrading the protection of the mooring cable with the anode sacrificial block, and the assembly is simple and convenient.

[0027] This application avoids the situation where during installation, production, or use, due to displacement, dragging, etc., other objects in the environment may accidentally collide with the sacrificial anode block, resulting in loosening or even detachment of the connection of the sacrificial anode block, and thus causing the protection to fail; it also avoids the thermal stress damage to the mooring cable anchor 2 caused by traditional welding fixation, the non-replaceability of each part, the safety hazards of welding, and the anti-corrosion damage, etc., reducing the safety usage cost and maintenance cost of the mooring cable product.

[0028] Furthermore, as Figure 1 and Figure 2 shown, the protective block 3 includes a protective ring 31 and a protective baffle 32. Both ends of the protective baffle 32 are respectively connected to the protective ring 31 along the radial direction of the protective ring 31; the side of the protective baffle 32 close to the protective ring 31 is rectangular, and the side of the protective baffle 32 far from the protective ring 31 is arc-shaped; the lifting points include a first lifting point 5 and a second lifting point 6, and the first lifting point 5 and the second lifting point 6 are symmetrically connected to the outer wall of the mooring cable anchor 2 for lifting the mooring cable anchor 2.

[0029] In this embodiment, preferably, the protective ring 31 and the protective baffle 32 are integrally formed by thermo-casting of neoprene rubber, and the protective ring 31 and the protective baffle 32 of the sacrificial anode block for the mooring cable are designed through 1:1 three-dimensional modeling; both ends of the protective baffle 32 are connected to the port of the protective ring 21 along the radial direction of the protective ring 21; the side of the protective baffle 32 close to the protective ring 31 is in the shape of a door frame, and the side of the protective baffle 32 far from the protective ring 31 is arc-shaped.

[0030] The first lifting point 5 and the second lifting point 6 are respectively connected to the outer wall of the mooring cable anchor 2, and the first lifting point 5 and the second lifting point 6 are symmetrically arranged, so that the mooring cable anchor 2 is horizontally lifted through the first lifting point 5 and the second lifting point 6.

[0031] Furthermore, as Figure 1 shown, both the first lifting point 5 and the second lifting point 6 are vertically connected to the outer wall of the mooring cable anchor 2 by bolts; the sacrificial anode block is connected to one end of the mooring cable anchor 2 by screws, and the mooring cable anchor 2 and the sacrificial anode block are clamped by the protective baffle 32; a fixed ring 8 is connected to the outer wall of the mooring cable anchor 2 near one end of the sacrificial anode block, and the protective baffle 32 is clamped on the fixed ring 8 and the sacrificial anode block.

[0032] In this embodiment, preferably, both the first lifting point 5 and the second lifting point 6 are connected to the outer wall of the mooring cable anchor 2 by a plurality of bolts 7, so that the first lifting point 2 and the second lifting point 3 are vertically connected to the outer wall of the mooring cable anchor 2; the sacrificial anode block is connected to one end of the mooring cable anchor 2, and the sacrificial anode block is connected to the mooring cable anchor 2 by screws. The arc-shaped side of the protective baffle 32 is clamped on the mooring cable anchor 2 and the sacrificial anode block to stably connect the sacrificial anode block.

[0033] Preferably, a fixed ring 8 is provided on the outer wall of the mooring cable anchor 2. The fixed ring 8 surrounds the outer wall of the mooring cable anchor 2 on the side close to the sacrificial anode block. The arc-shaped side of the protective baffle 32 is clamped on the fixed ring 31 and the sacrificial anode block, realizing the stable connection of the sacrificial anode block, and achieving the optimization and upgrade of the protection of the mooring cable sacrificial anode block.

[0034] Furthermore, as Figure 1 shown, on one end of the mooring cable anchor 2 connected to the sacrificial anode block, support plates 9 are symmetrically provided. A pin shaft 4 is rotatably connected to the support plates 9; one end of the steel cable 1 is connected with a rotary connector 10, and the steel cable 1 is connected to the mooring cable anchor 2 through the rotary connector 10; the mooring cable anchor 2 is cylindrical.

[0035] In this embodiment, preferably, the mooring cable anchor 2 is provided with support plates 9, and a pin shaft 4 is rotatably connected to the support plates 9. Before the assembly of the pin shaft 4, it can be sleeved on the mooring cable anchor 2. The assembly is simple and convenient, and the structure is reasonable. Moreover, the mooring cable anchor 2 and the pin shaft 4 are three-dimensionally modeled at a ratio of 1:1 to simulate the actual assembly and spatial position of this embodiment; the steel cable 1 is quickly connected to the mooring cable anchor 2 through the rotary connector 10. Preferably, the mooring cable anchor 2 is cylindrical.

[0036] Based on the mooring cable sacrificial anode block protection device, the present utility model clamps the protective baffle 32 and the protective ring 31 on the sacrificial anode block, so that the sacrificial anode block is fixed on the fixed ring 8 of the mooring cable anchor 2. On the basis of the original bolt connection between the mooring cable anchor 2 and the sacrificial anode block, the use of the protective ring 31 and the protective baffle 32 achieves the purpose of optimizing and upgrading the protection of the mooring cable sacrificial anode block, and the assembly is simple and convenient. This application avoids the result of protection failure caused by the accidental collision between other objects in the environment and the sacrificial anode block during the processes of displacement, dragging, etc. during installation or production and use, resulting in the loosening or even falling off of the connection of the sacrificial anode block; it avoids the thermal stress damage of the mooring cable anchor 2 caused by traditional welding fixation, the non-replaceability of each part, the safety hazards of welding, and the anti-corrosion damage, etc., and reduces the safety use cost and maintenance cost of the mooring cable product.

[0037] Obviously, the above-mentioned embodiments of the present utility model are merely examples for clearly explaining the present utility model, rather than limiting the implementation manners of the present utility model. For those of ordinary skill in the art, other different forms of changes or modifications can be made on the basis of the above description. It is not necessary and impossible to enumerate all the implementation manners here. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included in the protection scope of the claims of the present utility model.

Claims

1. A mooring line anode sacrificial block protection device, characterized in that: The mooring cable anchor comprises a steel cable and a mooring cable anchor, wherein one end of the mooring cable anchor is connected to the steel cable, a lifting point is connected to the outer wall of the mooring cable anchor, and the mooring cable anchor is suspended underwater through the lifting point. An anode sacrificial block is arranged at the end of the mooring cable anchor away from the steel cable, a protective block is clamped on the anode sacrificial block to fix the anode sacrificial block to one end of the mooring cable anchor, and one end of the mooring cable anchor is connected to a pin shaft, and the pin shaft is connected to the seabed at the end away from the mooring cable anchor.

2. The mooring line anode sacrificial block protection device according to claim 1, characterized in that: The protection block comprises a protection ring and a protection blocking plate, and two ends of the protection blocking plate are respectively connected to the protection ring along the radial direction of the protection ring.

3. The mooring line anode sacrificial block protection device according to claim 2, characterized in that: The side of the protective blocking plate close to the protective ring is rectangular, and the side of the protective blocking plate away from the protective ring is arc-shaped.

4. The mooring line anode sacrificial block protection device according to claim 1, characterized in that: The hanging points include a first hanging point and a second hanging point, and the first hanging point and the second hanging point are symmetrically connected to the outer wall of the mooring cable anchor so as to hang and place the mooring cable anchor.

5. The mooring line anode sacrificial block protection device according to claim 4, characterized in that: The first hanging point and the second hanging point are both vertically connected to the outer wall of the mooring cable anchor by bolts.

6. The mooring line anode sacrificial block protection device according to claim 3, characterized in that: The anode sacrificial block is connected to one end of the mooring cable anchor by means of screws, and the mooring cable anchor and the anode sacrificial block are clamped together by means of a protective blocking plate.

7. The mooring line anode sacrificial block protection device according to claim 6, characterized in that: A fixing ring is connected to the outer wall of one end of the mooring cable anchor close to the anode sacrificial block, and the protective blocking plate is clamped on the fixing ring and the anode sacrificial block.

8. The mooring line anode sacrificial block protection device according to claim 1, characterized in that: A support plate is symmetrically arranged at one end of the mooring cable anchor connected to the anode sacrificial block, and a pin shaft is rotatably connected to the support plate.

9. The mooring line anode sacrificial block protection device according to claim 1, characterized in that: One end of the steel cable is connected with a rotating connector, and the steel cable is connected to the mooring cable anchor through the rotating connector.

10. The mooring line anode sacrificial block protection device according to claim 9, characterized in that: The mooring line anchor is cylindrical.