Marine attaching organism removing device of offshore platform

Abstract

The utility model relates to the technical field of offshore platform attachment cleaning, in particular to a marine attachment organism removing device of an offshore platform, which comprises a platform pile leg, the platform pile leg is sleeved in a removing platform, the removing platform is symmetrically provided with a removing and jacking mechanism for providing jacking pressure, and the platform pile leg is provided with a lifting mechanism for lifting the platform pile leg. According to the marine attaching organism removing device of the offshore platform, the elastic jacking and pressing mechanism and the jacking and pressing air cylinder are connected through the bent support to serve as a jacking and pressing force output structure, meanwhile, the jacking and pressing rod and the removing scraping shovel are connected to serve as a removing and scraping structure, and the jacking and pressing air cylinder provides adjustable basic pressure; the supporting springs are matched to absorb impact caused by uneven surfaces of the pile legs, so that scraping force is more stable, and an anti-corrosion layer is prevented from being damaged by excessive cutting while the cleaning effect of the device is guaranteed; and meanwhile, in a non-cleaning state, the jacking air cylinder releases pressure and is supported by the jacking electric cylinder and the supporting pad, so that the situation that the supporting spring is in a compressed state for a long time to accumulate fatigue is avoided.

Description

Technical Field

[0001] This utility model relates to the field of marine platform attachment cleaning technology, specifically a marine attachment organism removal device for marine platforms. Background Technology

[0002] Cleaning of fouling deposits on offshore platforms is a crucial part of marine engineering maintenance, involving the removal of biofouling and inorganic sediments such as silt and rust. Most offshore platforms are supported above the sea surface by pile legs. Biofouling can damage the anti-corrosion coating, exposing the metal substrate to seawater and salt spray, causing electrochemical corrosion, shortening the platform's lifespan, increasing the platform's weight, and potentially affecting the stability of floating platforms or the load-bearing capacity of fixed platforms. At the same time, the accumulation of hard organisms (such as oysters) can lead to abnormal local stress in the structure, causing cracks or fatigue damage. Therefore, the process of cleaning fouling deposits on offshore platforms is an important equipment maintenance process.

[0003] To address the issue of biological removal on offshore platforms, Chinese patent publication number CN216225608U proposes a marine organism removal device for the legs of an offshore lifting platform. The device includes a platform body, legs, and a movable frame. The movable frame is movably connected to the legs via a crawling assembly. Multiple removal mechanisms are mounted on the movable frame, and the platform body is connected to the movable frame via a drive mechanism. Each removal mechanism includes a cleaning shovel and a clamping assembly. The cleaning shovel has a shovel bar at its upper end and an arc-shaped blade matching the legs at its lower end. The middle of the shovel bar is connected to the movable frame via a hinge structure. The clamping assembly includes a top plate, the lower end of which is connected to the movable frame, and the upper end of the shovel bar is connected to the upper end of the top plate via an elastic element.

[0004] The aforementioned utility model uses an arc-shaped blade elastically supported on the pile leg for removal. To ensure the fit between the arc-shaped blade and the pile leg, the elastic support is always in a compressed state. Over time, fatigue stress accumulates, reducing the pressure exerted on the arc-shaped blade. Furthermore, the entire removal pressure is supported by the elasticity of the spring, making it difficult to adjust the pressure intensity of the arc-shaped blade according to the biofouling situation, thus affecting the removal effect of the device. Therefore, we propose a marine biofouling removal device for offshore platforms. Utility Model Content

[0005] To address the aforementioned technical problems, this application provides a marine organism removal device for an offshore platform, comprising platform legs sleeved within a removal platform. Symmetrically arranged on the removal platform are removal pressure mechanisms for providing top pressure. A removal scraper is elastically flipped and connected to the removal pressure mechanism. The removal scraper can be detached and presses against the platform legs. Guide posts for docking with the offshore platform are slidably connected in through holes at the four corners of the removal platform.

[0006] In some embodiments, the clearing and pressing mechanism includes a curved bracket rotatably connected to the clearing platform. An elastic pressing mechanism is sleeved on the top of the curved bracket. The elastic pressing mechanism is fixedly connected to the output end of a pressing cylinder. The pressing cylinder is symmetrically fixed on a mounting frame. The mounting frame is a symmetrical structure with a central column connecting two fixed frames. The pressing cylinder is sleeved and fixed in the fixed frame on the mounting frame. The central column in the mounting frame is slidably connected in a slide rail in a support platform. The support platform is symmetrically installed on the top of the clearing platform.

[0007] In some embodiments, a top pressure rod is fixedly connected to the bottom of the bending bracket, the top pressure rod is hinged to the cleaning scraper, and an adaptive spring for elastically supporting the cleaning scraper is provided between the cleaning scraper and the top pressure rod.

[0008] In some embodiments, the top pressure rod is provided with a side support, and the bottom of the side support is fixedly connected to a push electric cylinder. The output end of the push electric cylinder is provided with a support pad that supports and removes the top pressure mechanism when the device is idle.

[0009] In some embodiments, the elastic pressing mechanism includes a connecting plate fixed to a bending bracket, and support springs are symmetrically arranged on the connecting plate, the support springs being fixed to the pushing plate.

[0010] In some embodiments, the push plate is fixedly connected to the output end of the push cylinder, and the push plate is symmetrically provided with support columns for limiting the position. The support columns are sleeved in the support spring and are slidably connected in the through hole of the connecting plate.

[0011] This utility model has at least the following beneficial effects:

[0012] This invention connects an elastic pressing mechanism and a pressing cylinder via a rotatably connected curved bracket on a cleaning platform, serving as the pressing pressure output structure. It also connects a pressing rod and a cleaning scraper to form a scraping structure for removing attached organisms. An adaptive spring at the bottom of the pressing rod elastically supports the cleaning scraper, providing a pre-tightening force for its rotation, ensuring the scraper's blade always contacts the platform's leg surface first. The pressing cylinder pushes the curved bracket to rotate, pressing the scraper against the platform leg. Combined with the downward movement of the cleaning platform, this removes the attached organisms. Simultaneously, the pressing cylinder, in conjunction with the support spring in the elastic pressing mechanism, applies elastic stress to the rotation of the pressing rod, creating a two-stage pressure structure. The pressing cylinder provides adjustable base pressure, which, along with the support spring, absorbs the impact from uneven leg surfaces, making the scraping force of the scraper more stable. This ensures the cleaning effect while preventing excessive cutting and damage to the anti-corrosion layer. In non-cleaning mode, the pressing cylinder releases pressure, and a push-pull electric cylinder extends a support pad to support the entire curved bracket, preventing the support spring from accumulating fatigue due to prolonged compression. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0014] Figure 2 This is a partial structural schematic diagram of the present invention;

[0015] Figure 3 This is a schematic diagram of the elastic pressing mechanism in this utility model;

[0016] Figure 4 This is a schematic diagram of the overall structure of Embodiment 4 of this utility model;

[0017] Figure 5 This is a partial exploded view of the structure of Embodiment 4 of this utility model.

[0018] In the diagram: 1. Platform leg; 2. Clearing platform; 3. Clearing jacking mechanism; 4. Clearing scraper; 5. Guide column; 31. Bending bracket; 32. Elastic jacking mechanism; 33. Jacking cylinder; 34. Mounting bracket; 35. Jacking rod; 36. Adaptive spring; 37. Side support; 38. Jacking electric cylinder; 39. Support pad; 40. Support platform; 321. Connecting plate; 322. Support spring; 323. Jacking plate; 324. Support column; 101. Platform support; 102. Fixing plate; 103. Drive motor; 104. Drive wheel. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Example 1:

[0021] Please see Figure 1-3This utility model provides a technical solution: a marine organism removal device for offshore platforms, including platform legs 1, which are sleeved in a removal platform 2. A removal pressing mechanism 3 for providing top pressure is symmetrically arranged on the removal platform 2. A removal scraper 4 is elastically flipped and connected to the removal pressing mechanism 3. The removal scraper 4 is detachably pressed against the platform legs 1. Guide posts 5, which connect to the offshore platform, are slidably connected to through holes at the four corners of the removal platform 2. The removal scraper 4 is elastically flipped and connected to the removal pressing mechanism 3, automatically adapting to the surface structure of the platform legs 1 to ensure that the cutting edge always contacts the surface at the optimal angle. The symmetrical arrangement of the removal pressing mechanism 3 forms a balanced pressure field, with adjustable single-point pressure. This effectively peels off hard barnacle bases without excessively squeezing and embedding biological debris into the surface of the platform legs 1. The cooperation between the guide posts 5 and the offshore platform structure ensures the vertical downward accuracy of the removal platform 2, preventing the scraper from deviating, thus achieving efficient and safe removal of organisms attached to the legs.

[0022] Example 2:

[0023] Please see Figure 1-3 The top-pressing mechanism 3 includes a curved bracket 31, which is rotatably connected to the cleaning platform 2. An elastic top-pressing mechanism 32 is sleeved on the top of the curved bracket 31. The elastic top-pressing mechanism 32 is fixedly connected to the output end of a top-pressing cylinder 33. The top-pressing cylinder 33 is symmetrically fixed on a mounting frame 34. The mounting frame 34 is a symmetrical structure with a central column connecting two fixed frames. The top-pressing cylinder 33 is sleeved and fixed in the fixed frames on the mounting frame 34. The central column in the mounting frame 34 is slidably connected to a slide rail in a support platform 40. The support platform 40 is symmetrically installed on the top of the cleaning platform 2. A top-pressing rod 35 is fixedly connected to the bottom of the curved bracket 31. The top-pressing rod 35 is hinged to the cleaning scraper 4. An adaptive spring 36 for elastically supporting the cleaning scraper 4 is provided between the cleaning scraper 4 and the top-pressing rod 35. A side support 37 is provided on the top-pressing rod 35. The bottom of the support 37 is fixedly connected to the push cylinder 38. The output end of the push cylinder 38 is provided with a support pad 39 that supports and removes the top pressure mechanism 3 when the device is idle. The elastic top pressure mechanism 32 can absorb the impact fluctuation of the top pressure cylinder 33. The adaptable spring 36 can compensate for the unevenness of the pile leg surface. The rotating connection of the bending bracket 31, together with the hinge of the top pressure rod 35, forms a human elbow joint motion chain, which can balance the top pressure stress and prevent stress concentration. The mounting frame 34 is a symmetrical frame structure to disperse stress. The slide guide of the support platform 40 ensures the linear movement of the central column. With the rotation of the top pressure rod 35 and the bending bracket 31, the pressure applied by the top pressure cylinder 33 can be moderate and perpendicular to the force-bearing part of the bending bracket 31, reducing the operating energy consumption of the equipment. At the same time, when the push cylinder 38 is idle, it is supported by the support pad 39 to reduce the continuous pressure loss of the cylinder.

[0024] In use, the flexible pressing mechanism 32 and the pressing cylinder 33 are connected by rotating the curved bracket 31 connected to the cleaning platform 2 as the pressing force output structure. Simultaneously, the pressing rod 35 and the cleaning scraper 4 are connected as the scraping structure for removing attached organisms. The adapting spring 36 at the bottom of the pressing rod 35 elastically supports the cleaning scraper 4, providing a pre-tightening force for its rotation, ensuring that the blade of the cleaning scraper 4 always contacts the surface of the platform leg 1 first. The pressing cylinder 33 pushes the curved bracket 31 to rotate, pressing the cleaning scraper 4 onto the platform leg 1. Combined with the downward movement of the cleaning platform 2, this achieves the removal of attached organisms, while simultaneously applying pressure. The cylinder 33, in conjunction with the support spring 322 in the elastic pressing mechanism 32, can apply elastic stress to the flipping of the pressing rod 35, forming a two-stage pressure structure. The pressing cylinder 33 provides adjustable base pressure, which, together with the support spring 322, absorbs the impact caused by the unevenness of the pile leg surface, making the scraping force of the scraper 4 more stable, ensuring the cleaning effect of the device while avoiding excessive cutting and damage to the anti-corrosion layer. At the same time, in the non-cleaning state, the pressing cylinder 33 releases pressure, and the pushing electric cylinder 38 drives the support pad 39 to extend and support the entire bending bracket 31, avoiding the support spring 322 from accumulating fatigue due to long-term compression.

[0025] Example 3:

[0026] Please see Figure 2-3 The elastic pressing mechanism 32 includes a connecting plate 321 fixed on a bending bracket 31. Support springs 322 are symmetrically arranged on the connecting plate 321 and fixed to a push plate 323. The push plate 323 is fixedly connected to the output end of the pressing cylinder 33. Support columns 324 for limiting movement are symmetrically arranged on the push plate 323. The support columns 324 are sleeved in the support springs 322 and slidably connected in through holes on the connecting plate 321. The support springs 322 and support columns 324 form a composite elastic system that can absorb the impact energy of the pressing cylinder 33. Simultaneously, the symmetrically arranged support springs 322 can automatically compensate for differences in resistance on one side. The connecting plate 321 acts as a force transmission center, decomposing the cylinder thrust into two parallel load paths. The support columns 324 limit the displacement of the connecting plate 321 and the push plate 323, improving the overall stability of the structure.

[0027] Example 4:

[0028] Please see Figure 4-5This utility model provides a technical solution: a marine organism removal device for an offshore platform, comprising platform legs 1, which are sleeved in a removal platform 2. A removal pressing mechanism 3 for providing top pressure is symmetrically arranged on the removal platform 2. A removal scraper 4 is elastically flipped and connected to the removal pressing mechanism 3. The scraper 4 can detachably press against the platform legs 1. The top of the removal platform 2 is rotatably connected to a platform support 101. Based on the above structure, the guide column 5 is replaced with the platform support 101 for support at the top of the device. During the support process, the removal platform 2 can rotate around the platform legs 1. A fixed... Plate 102 is fixedly sleeved with the output end of drive motor 103. Drive motor 103 is embedded in drive wheel 104 and drive wheel 104 is rotatably connected to platform leg 1. Drive motor 103 drives drive wheel 104 to rotate, which in turn drives cleaning platform 2 to rotate around platform leg 1, adjusting the cleaning position of cleaning scraper 4 to prevent gaps between the four corner cleaning scrapers 4, which would lead to incomplete biological removal. Drive motor 103 drives cleaning platform 2 to rotate around the leg through drive wheel 104, and the lifting and lowering of platform support 101 makes the four cleaning scrapers 4 form a spiral cleaning trajectory, eliminating the gap residue of the traditional four-corner fixed layout.

[0029] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A marine organism removal device for an offshore platform, comprising platform legs (1), characterized in that: The platform leg (1) is sleeved in the cleaning platform (2). The cleaning platform (2) is symmetrically provided with a cleaning top pressure mechanism (3) for providing top pressure. The cleaning top pressure mechanism (3) is elastically flipped and connected with a cleaning scraper (4). The cleaning scraper (4) can be disengaged and presses against the platform leg (1). The guide column (5) for docking with the offshore platform is slidably connected in the through holes opened at the four corners of the cleaning platform (2).

2. The marine organism removal device for offshore platforms according to claim 1, characterized in that: The cleaning and pressing mechanism (3) includes a curved bracket (31), which is rotatably connected to the cleaning platform (2). An elastic pressing mechanism (32) is sleeved on the top of the curved bracket (31). The elastic pressing mechanism (32) is fixedly connected to the output end of the pressing cylinder (33). The pressing cylinder (33) is symmetrically fixed on the mounting frame (34). The mounting frame (34) is a symmetrical structure with a central column connecting two fixed frames. The pressing cylinder (33) is sleeved and fixed on the fixed frame on the mounting frame (34). The central column in the mounting frame (34) is slidably connected in the slide in the support platform (40). The support platform (40) is symmetrically installed on the top of the cleaning platform (2).

3. The marine organism removal device for offshore platforms according to claim 2, characterized in that: The bottom of the bending bracket (31) is fixedly connected to a top pressure rod (35), which is hinged to the cleaning scraper (4), and an adaptation spring (36) is provided between the cleaning scraper (4) and the top pressure rod (35) for elastically supporting the cleaning scraper (4).

4. The marine organism removal device for offshore platforms according to claim 3, characterized in that: The top pressure rod (35) is provided with a side support (37), and the bottom of the side support (37) is fixedly connected to a push cylinder (38). The output end of the push cylinder (38) is provided with a support pad (39) to support and clear the top pressure mechanism (3) when the device is idle.

5. The marine organism removal device for offshore platforms according to claim 2, characterized in that: The elastic pressing mechanism (32) includes a connecting plate (321) fixed on a bending bracket (31), and a support spring (322) is symmetrically arranged on the connecting plate (321). The support spring (322) is fixed on the push plate (323).

6. The marine organism removal device for offshore platforms according to claim 5, characterized in that: The push plate (323) is fixedly connected to the output end of the top pressure cylinder (33). The push plate (323) is symmetrically provided with support columns (324) for limiting. The support columns (324) are sleeved in the support spring (322) and the support columns (324) are slidably connected in the through hole on the connecting plate (321).

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