Offshore hoisting maintenance platform

By designing the adjustment mechanism and movable structure of the offshore lifting and maintenance platform, the platform can be moved, solving the problem of limited use of existing platforms after they are fixed, and improving its practicality.

CN223937119UActive Publication Date: 2026-02-24HAINENG (LIAONING) ENERGY CO LTD
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Patent Information

Application Number
CN202520100417.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-16
Publication Date
2026-02-24
Estimated Expiration
2035-01-16

AI Technical Summary

Technical Problem

Existing offshore maintenance platforms, once fixed in place, can only be used in the same location and cannot be moved, resulting in a limited range of use and reduced practicality.

Method used

An offshore lifting and maintenance platform was designed, comprising a base, a support plate, an adjustment mechanism, a guide rail, a movable block, a movable platform, and a protective mechanism. The height of the base and support plate can be adjusted by the adjustment mechanism, and the platform can be moved by the sliding of the movable block on the guide rail and the rotation of the movable platform, thereby increasing its usability.

Benefits of technology

The mobility feature expands the usability of offshore maintenance platforms, enhances their practicality, and solves the problem of limited usability caused by their inability to move after being fixed in place.

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Abstract

The utility model relates to the technical field of offshore maintenance platforms, in particular to an offshore hoisting maintenance platform which comprises a base and further comprises four supporting plates, an adjusting mechanism, a guide rail, a movable block, a movable platform and a protection mechanism. Adjusting mechanisms are arranged below the base and below each supporting plate, the two guide rails are located on the left side and the right side of the base respectively, the movable blocks are arranged on the guide rails in a sliding mode, the movable platform is movably arranged on the movable blocks, and the protection mechanism is arranged on the movable platform and used for protecting the movable platform. And through longitudinal movement of the movable platform above the base, rotation of the movable platform on the movable blocks and adjustment of the height of the movable platform, the movable platform can be moved, then the application range of the movable platform is widened, and the practicability of the movable platform is further improved.
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Description

Technical Field

[0001] This utility model relates to the field of offshore maintenance platform technology, and in particular to an offshore hoisting and maintenance platform. Background Technology

[0002] Offshore platforms are truss structures that rise above the sea surface and have a platform surface. They can be used for production operations or other activities. Existing offshore platforms have poor self-balancing performance and are prone to significant tilting, requiring anchoring systems for fixation, which has considerable limitations.

[0003] The prior art CN115092340A discloses a highly stable floating platform for offshore maintenance. When the platform encounters waves or other impacts while floating, the waves can lift the hollow bladder upwards, causing the piston to rise synchronously, releasing the blockage of the first connecting pipe, and allowing water in the buoyancy tank to be injected into the corresponding stabilizing chamber, thus stabilizing the center of gravity. After the hollow bladder is freed from the impact of the waves, the spring's rebound force forces the water back into the buoyancy tank, achieving reset. This method realizes the self-balancing function of the buoyancy device, ensuring the stability of the platform and improving its reliability.

[0004] However, once the aforementioned maintenance platform is fixed, it can only be used in the same location and cannot be moved, resulting in a limited range of use and thus reducing the practicality of the maintenance platform. Utility Model Content

[0005] The purpose of this utility model is to provide an offshore lifting and maintenance platform, which aims to solve the technical problem that existing maintenance platforms, once fixed, can only be used in the same location and cannot be moved, resulting in a limited range of use and thus reducing the practicality of the maintenance platform.

[0006] To achieve the above objectives, this utility model provides an offshore lifting and maintenance platform, including a base, support plates, adjustment mechanisms, guide rails, movable blocks, a movable platform, and a protective mechanism. Four support plates are located on the four sides of the base. The adjustment mechanism is provided below the base and below each support plate. The adjustment mechanism supports the base and support plates and adjusts their height. Two guide rails are located on the left and right sides of the base. The movable blocks are slidably mounted on the guide rails, and the movable platform is movably mounted on the movable blocks. The protective mechanism is mounted on the movable platform for protecting the movable platform.

[0007] The adjustment mechanism includes a fixed block and a support block, wherein the support block is slidably connected to the fixed block and is located within the fixed block.

[0008] The fixing block has a sliding groove, and the supporting block has a protruding plate. The protruding plate is located in the sliding groove and slides up and down in the sliding groove.

[0009] The protective mechanism includes a guardrail and an opening / closing railing. The guardrail is set on the movable platform, and the opening / closing railing is rotatably connected to the guardrail and located outside the guardrail.

[0010] The guardrail has a groove, and the opening and closing rail has a protrusion. Both the protrusion and the groove are convex in shape. The protrusion and the groove cooperate to insert the protrusion into the groove.

[0011] This utility model discloses an offshore lifting and maintenance platform. It comprises four support plates, located on the four sides of a base. An adjustment mechanism is provided below the base and under each support plate. The adjustment mechanism supports the base and support plates and adjusts their height. Two guide rails are located on the left and right sides of the base. A movable block is slidably mounted on the guide rails. A movable platform is movably mounted on the movable block. A protective mechanism is mounted on the movable platform for protection. The platform can be moved by longitudinal movement above the base, rotation on the movable block, and height adjustment, thereby increasing its usability and practicality. This solves the technical problem that existing maintenance platforms, once fixed, can only be used in one location and cannot be moved, resulting in limited usability and reduced practicality. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0013] Figure 1 This is a schematic diagram of the overall structure of the offshore lifting and maintenance platform according to the first embodiment of this utility model.

[0014] Figure 2 This is a cross-sectional schematic diagram along the hydraulic telescopic rod of the offshore lifting and maintenance platform according to the first embodiment of this utility model.

[0015] Figure 3 This is a cross-sectional schematic diagram of the movable block of the offshore lifting and maintenance platform according to the first embodiment of this utility model.

[0016] Figure 4This is a cross-sectional view of the marine lifting and maintenance platform along the guardrail, which is the first embodiment of this utility model.

[0017] Figure 5 This is the first embodiment of the offshore lifting and maintenance platform of this utility model. Figure 4 Enlarged view of point A.

[0018] In the diagram: 101-base, 102-support plate, 103-guide rail, 104-moving block, 105-moving platform, 106-fixed block, 107-support block, 108-guardrail, 109-opening rail, 110-slide groove, 111-protruding plate, 112-groove, 113-protrusion, 114-hydraulic telescopic rod, 115-drive motor, 116-electric telescopic rod. Detailed Implementation

[0019] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0020] First Embodiment

[0021] Please see Figures 1-5 , Figure 1 This is a schematic diagram of the overall structure of the offshore lifting and maintenance platform according to the first embodiment of this utility model. Figure 2 This is a cross-sectional schematic diagram along the hydraulic telescopic boom 114 of the offshore lifting and maintenance platform according to the first embodiment of this utility model. Figure 3 This is a cross-sectional view of the offshore lifting and maintenance platform along the movable block 104 according to the first embodiment of this utility model. Figure 4 This is a cross-sectional view of the offshore lifting and maintenance platform along the guardrail 108 according to the first embodiment of this utility model. Figure 5 This is the first embodiment of the offshore lifting and maintenance platform of this utility model. Figure 4 Enlarged view of point A.

[0022] This utility model provides an offshore lifting and maintenance platform, comprising a base 101, a support plate 102, an adjustment mechanism, a guide rail 103, a movable block 104, a movable platform 105, and a protective mechanism. The adjustment mechanism includes a fixed block 106 and a support block 107, and the protective mechanism includes a guardrail 108 and an opening / closing railing 109. This solution solves the problem that existing maintenance platforms, once fixed, can only be used in one location and cannot be moved, resulting in limited usability and reduced practicality. Therefore, this solution can be used in scenarios involving the maintenance of offshore platforms.

[0023] In this embodiment, the protective mechanism protects the movable platform 105 to prevent maintenance personnel from falling off the platform while performing equipment repairs. The height of the base 101 and the support plate 102 is adjusted by the adjustment mechanism, thereby adjusting the height of the movable block 104, and consequently, the height of the movable platform 105. The movable block 104 slides longitudinally on the guide rail 103, allowing the movable platform 105 to move longitudinally above the base 101. Combined with the rotation of the movable platform 105 on the movable block 104 and the height adjustment, the movable platform 105 can be moved, thus increasing its usability and practicality. This solves the technical problem that existing maintenance platforms, once fixed, can only be used in one location and cannot be moved, resulting in limited usability and reduced practicality.

[0024] The base 101 includes four support plates 102, located on its four sides. Adjustment mechanisms are provided below the base 101 and each support plate 102, supporting the base 101 and the support plates 102 and adjusting their height. Two guide rails 103 are located on the left and right sides of the base 101. Movable blocks 104 are slidably mounted on the guide rails 103. Movable platforms 105 are movably mounted on the movable blocks 104. Protective mechanisms are provided on the movable platforms 105 for protection. Each movable block 104 has a groove 110. The movable block 104 is engaged with the guide rail 103, allowing the sliding groove 110 of the movable block 104 to slide longitudinally on the guide rail 103. A hydraulic telescopic rod 114 is provided on the base 101, located between the two guide rails 103. The output end of the hydraulic telescopic rod 114 is connected to the movable block 104, driving the movable block 104 to slide longitudinally on the guide rail 103. This allows the movable platform 105 to move longitudinally on the base 101. The movable block 104 has a placement groove, in which a drive motor 115 is installed. The output shaft of the drive motor 115 is connected to the movable platform 105, driving the movable platform 105 to rotate above the movable block 104 along the axis of the output shaft of the drive motor 115.

[0025] Secondly, the support block 107 is slidably connected to the fixed block 106 and is located inside the fixed block 106. An electric telescopic rod 116 is provided inside the support block 107. The output end of the electric telescopic rod 116 is connected to the support block 107 and drives the support block 107 to slide up and down inside the fixed block 106.

[0026] Furthermore, the fixing block 106 has a sliding groove 110, and the support block 107 has a protruding plate 111. The protruding plate 111 is located in the sliding groove 110 and slides up and down in the sliding groove 110, so that the protruding plate 111 can shield and protect the support block 107 to prevent seawater from entering the fixing block 106 and affecting the normal use of the electric telescopic rod 116 inside the fixing block 106.

[0027] In addition, the guardrail 108 is installed on the movable platform 105, and the opening and closing railing 109 is rotatably connected to the guardrail 108 and located outside the guardrail 108, so that the guardrail 108 and the opening and closing railing 109 can jointly protect the movable platform 105 to prevent maintenance personnel from falling off the movable platform 105 when performing equipment maintenance on the movable platform 105.

[0028] Finally, the guardrail 108 has a groove 112, and the opening and closing railing 109 has a protrusion 113. The protrusion 113 and the groove 112 are both convex in shape. The protrusion 113 cooperates with the groove 112 to achieve the purpose of inserting the protrusion 113 into the groove 112. The material of the protrusion 113 is a flexible soft material to facilitate the insertion of the protrusion 113 into the groove 112.

[0029] When using this utility model, the base 101 and the support block 107 below the support plate 102 are inserted into seawater and fixed. Then, the electric telescopic rod 116 is activated, so that the power output from the output end of the electric telescopic rod 116 drives the fixed block 106 to slide up and down outside the support block 107, thereby driving the base 101 to move up and down above the support block 107, thus adjusting the height of the base 101. At this time, the convex plate 111 can shield and protect the support block 107 to prevent seawater from entering the fixed block 106 and affecting the normal use of the electric telescopic rod 116 inside the fixed block 106. By adjusting the height of the base 101, the height of the movable block 104 can be adjusted, thereby adjusting the height of the movable platform 105. Activating the hydraulic telescopic rod 114 allows... The power output from the output end of the hydraulic telescopic rod 114 drives the movable block 104 to slide longitudinally on the guide rail 103, thereby driving the movable platform 105 to move longitudinally on the base 101. The drive motor 115 is then activated, causing the power output from its output shaft to drive the movable platform 105 to rotate above the movable block 104 along the axis of its output shaft. By combining the rotation of the movable platform 105 on the movable block 104 with the adjustment of its height, the movable platform 105 can be moved, thus increasing its usability and practicality. This solves the technical problem that existing maintenance platforms, once fixed, can only be used in the same location and cannot be moved, resulting in limited usability and reduced practicality.

[0030] After the movable platform 105 is moved to the location requiring maintenance, the protrusion 113 is moved out of the groove 112, releasing the fixed state of the opening and closing rail 109 outside the protective rail 108. Then, the opening and closing rail 109 is rotated outside the protective rail 108, opening the protective space formed by the protective rail 108 and the opening and closing rail 109, allowing maintenance personnel to enter the protective space. Afterwards, the opening and closing rail 109 is rotated outside the protective rail 108. After the guardrail 108 is aligned with the guardrail 108, the protrusion 113 is inserted into the groove 112, so that the opening and closing rail 109 is limited and fixed outside the guardrail 108, thereby closing the protective space formed by the guardrail 108 and the opening and closing rail 109. This allows the guardrail 108 and the opening and closing rail 109 to jointly protect the movable platform 105, preventing maintenance personnel from falling off the movable platform 105 while performing equipment maintenance.

[0031] The above-disclosed embodiments are merely preferred embodiments of the present utility model and should not be construed as limiting the scope of the present utility model. Those skilled in the art can understand that implementing all or part of the above-described embodiments and making equivalent changes in accordance with the claims of the present utility model are still within the scope of the utility model.

Claims

1. An offshore lifting and maintenance platform, comprising a base, characterized in that: It also includes support plates, adjustment mechanisms, guide rails, movable blocks, movable platforms, and protective mechanisms. There are four support plates, located on the four sides of the base. The adjustment mechanism is provided under the base and under each support plate. The adjustment mechanism is used to support the base and the support plates and adjust their height. There are two guide rails, located on the left and right sides of the base. The movable blocks are slidably mounted on the guide rails. The movable platforms are movably mounted on the movable blocks. The protective mechanism is mounted on the movable platform and is used to protect the movable platform.

2. The offshore lifting and maintenance platform as described in claim 1, characterized in that: The adjustment mechanism includes a fixed block and a support block, wherein the support block is slidably connected to the fixed block and is located within the fixed block.

3. The offshore lifting and maintenance platform as described in claim 2, characterized in that: The fixing block has a sliding groove, and the supporting block has a protruding plate. The protruding plate is located in the sliding groove and slides up and down in the sliding groove.

4. The offshore lifting and maintenance platform as described in claim 1, characterized in that: The protective mechanism includes a guardrail and an opening / closing railing. The guardrail is set on the movable platform, and the opening / closing railing is rotatably connected to the guardrail and located outside the guardrail.

5. The offshore lifting and maintenance platform as described in claim 4, characterized in that: The guardrail has a groove, and the opening and closing rail has a protrusion. Both the protrusion and the groove are convex in shape. The protrusion and the groove cooperate to achieve the purpose of inserting the protrusion into the groove.

Citation Information

Patent Citations

  • High-stability offshore maintenance floating platform

    CN115092340A