A lifting system for a deck of a marine vessel

By installing a modular lifting platform system on the ship deck, the problems of high assembly difficulty and long construction cycle caused by the complexity of ship deck equipment and facilities have been solved. This has reduced assembly difficulty and shortened the construction cycle, thereby improving the turnover utilization rate of the wharf.

CN224313162UActive Publication Date: 2026-06-02CHINA RAILWAY CONSTR HEAVY IND

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHINA RAILWAY CONSTR HEAVY IND
Filing Date
2024-09-30
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

In the existing technology, ship deck equipment and facilities are complex, resulting in long assembly and commissioning cycles at the dock, large investment of human and material resources, high costs, high requirements for dock lifting capacity, and few sites that meet the construction requirements.

Method used

The method involves setting up a front-end mounting platform, a lifting platform assembly, and a rear-end mounting platform on the ship's deck. By dividing the lifting platform assembly into multiple modular structures, functional areas are divided and assembled in sections, reducing the difficulty of dock assembly, shortening the construction cycle, and improving the dock's turnover utilization rate.

Benefits of technology

The modular lifting platform system reduces the difficulty of dock assembly, shortens the construction cycle, improves dock turnover utilization, and increases construction efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model provides a lifting system for the upper deck of a ship, belonging to the field of shipbuilding technology. It includes a front-end mounting platform, a lifting platform assembly, and a rear-end mounting platform, all mounted on the upper deck. The lifting platform assembly comprises multiple lifting platforms connected sequentially along the ship's length. Hinged structures are provided between the front-end mounting platform and the lifting platform assembly, and between the rear-end mounting platform and the lifting platform assembly. This utility model, by setting the front-end mounting platform, lifting platform assembly, and rear-end mounting platform on the upper deck, and by designing the lifting platform assembly as a modular structure composed of multiple lifting platforms, facilitates segmentation and component assembly during construction based on heavier structures or functional areas. This reduces dock assembly difficulty, shortens dock construction cycle, and improves dock turnover utilization. Furthermore, it allows for simultaneous segmented manufacturing of various components, improving construction efficiency and shortening the construction cycle.
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Description

Technical Field

[0001] This utility model belongs to the field of shipbuilding technology and relates to a lifting system for the upper deck of a ship. Background Technology

[0002] Ships can be categorized by purpose into transport vessels, fishing vessels, engineering vessels, marine development vessels, and special-purpose vessels. With increasing marine development and utilization, the functional requirements for ships are becoming more diversified, leading to an increase in the number of customized special-purpose vessels. The equipment and facilities on the upper decks of some ships are becoming increasingly complex, resulting in longer construction, assembly, and commissioning cycles at wharves, significant investment of human and material resources, higher costs, and higher requirements for wharf lifting capacity, while suitable sites are limited. Utility Model Content

[0003] To address the aforementioned issues, this utility model provides a method for segmenting a large upper deck lifting platform. This method can solve the problems of segmenting large and heavy structures and constructing them according to functional areas during the construction of large equipment on the upper deck. It can move as much dock assembly work forward as possible, thereby reducing dock assembly difficulty, shortening dock construction cycle, and improving dock turnover utilization.

[0004] This utility model provides a lifting system for the upper deck of a ship, including a front-end mounting platform, a lifting platform assembly, and a rear-end mounting platform, all mounted on the upper deck of the ship; the lifting platform assembly includes multiple lifting platforms connected sequentially along the length of the ship; and hinge structures are provided between the front-end mounting platform and the lifting platform assembly, as well as between the rear-end mounting platform and the lifting platform assembly.

[0005] Optionally, the lifting platform assembly includes a first lifting platform, a second lifting platform, and a third lifting platform. One end of the first lifting platform is connected to the front-end mounting platform, and one end of the third lifting platform is connected to the rear-end mounting platform. The second lifting platform is configured to be 0 pieces or at least one piece. When the second lifting platform is configured to be more than one piece, two adjacent second lifting platforms are connected to each other.

[0006] Optionally, the first lifting platform, the second lifting platform, and the third lifting platform have the same structure.

[0007] Optionally, the first lifting platform includes a lifting unit and a unit block connected to each other. The lifting unit includes a fixed pile frame, pile legs and a connecting block. The unit block is configured as a box structure. The pile legs are provided with at least two pieces spaced apart from each other. The connecting block is provided with at least two first mounting holes that correspond one-to-one with the pile legs. A single pile leg is installed through a single first mounting hole.

[0008] The pile fixing frame is provided with at least two sets, each corresponding to a pile leg. Each set of pile fixing frames has two pieces spaced apart along the height direction of the pile leg. The two pieces in a single set of pile fixing frames are respectively fixed to the upper end face and the lower end face of the connecting block. Each piece of pile fixing frame is provided with a second mounting hole for penetrating and installing the pile leg.

[0009] Optionally, the first lifting platform is further provided with at least one set of drive components. Each set of drive components includes a power unit, a gear, and a rack. The fixed end of the power unit is fixedly connected to the pile frame, the drive end of the power unit is fixedly connected to the gear, and the rack is arranged on the pile leg along the height direction, with the rack and gear meshing with each other.

[0010] Optionally, a sliding bearing is also provided between the first mounting hole and the pile leg.

[0011] Optionally, a gap of more than 1 mm is provided between the second mounting hole and the pile leg.

[0012] Optionally, a reinforcing guardrail is also provided on the unit block. The reinforcing guardrail is set as an arch structure, and the two ends of the reinforcing guardrail extend to the two adjacent sets of lifting units respectively.

[0013] Optionally, the hinge structure includes a hinge structure and a buffer structure; one end of the hinge structure is fixedly connected to the front mounting platform or the rear mounting platform, and the other end of the hinge structure is fixedly connected to the lifting platform assembly; one end of the buffer structure is fixedly connected to the front mounting platform or the rear mounting platform, and the other end of the buffer structure is fixedly connected to the lifting platform assembly.

[0014] Optionally, the hinge structure is configured as a flexible hinge structure.

[0015] Optionally, the buffer structure is configured as an elastic deformable element.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] This utility model sets up a front-end mounting platform, a lifting platform assembly, and a rear-end mounting platform on the upper deck. By setting the lifting platform assembly as a modular structure composed of multiple lifting platforms, it is possible to divide and assemble the components into sections according to the heavier structures or functional areas during the construction process. This reduces the difficulty of dock assembly, shortens the dock construction cycle, and improves the dock's turnover utilization rate. It also facilitates the simultaneous segmented manufacturing of each component, improving construction efficiency and shortening the construction cycle.

[0018] In addition to the objectives, features, and advantages described above, this utility model has other objectives, features, and advantages. The present utility model will now be described in further detail with reference to the figures. Attached Figure Description

[0019] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings:

[0020] Figure 1 This is a schematic diagram of the overall structure of the lifting platform in an embodiment of this utility model;

[0021] Figure 2 yes Figure 1 Overall layout diagram of the central lifting platform;

[0022] Figure 3 yes Figure 1 Schematic diagram of the overall division of the central lifting unit;

[0023] Figure 4 yes Figure 1 Schematic diagram of the division of the middle unit block into segments.

[0024] in:

[0025] 1. Upper deck; 2. Lifting platform; 2.1. Lifting unit; 2.1.1. Pile fixing frame; 2.1.2. Pile legs; 2.1.3. Connecting block; 2.2. Unit block; 2.3. Reinforced guardrail; 3. Front-end mounting platform; 4. Rear-end mounting platform. Detailed Implementation

[0026] To make the above-mentioned objectives, features, and advantages of this utility model clearer and easier to understand, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. It should be noted that the accompanying drawings of this utility model are all in a simplified form and use non-precise proportions, and are only used to facilitate and clearly assist in illustrating the implementation of this utility model; the "several" mentioned in this utility model are not limited to the specific number shown in the examples in the drawings; the directions or positional relationships indicated by "front," "middle," "rear," "left," "right," "up," "down," "top," "bottom," and "middle" mentioned in this utility model are all based on the directions or positional relationships shown in the accompanying drawings of this utility model, and do not indicate or imply that the device or component referred to must have a specific orientation, nor should they be construed as limitations on this utility model.

[0027] Example 1:

[0028] See Figures 1 to 4 As shown, the present invention provides a lifting system for the upper deck of a ship, including a front-end mounting platform 3, a lifting platform assembly 2, and a rear-end mounting platform 4, all of which are mounted on the upper deck 1 of the ship and connected to each other in sequence.

[0029] As a further embodiment of this utility model, see [link to relevant documentation]. Figure 1 and Figure 2As shown, the lifting platform assembly 2 includes multiple lifting platforms connected sequentially along the length of the ship; specifically, the lifting platform assembly 2 includes a first lifting platform, a second lifting platform and a third lifting platform. One end of the first lifting platform is connected to the front mounting platform 3, one end of the third lifting platform is connected to the rear mounting platform 4, and the second lifting platform is set to 0 pieces or at least one piece connected sequentially according to actual needs.

[0030] Preferably, the first lifting platform, the second lifting platform, and the third lifting platform have the same structure.

[0031] As a further embodiment of this utility model, see [link to relevant documentation]. Figure 3 and Figure 4 As shown, taking the first lifting platform as an example, the first lifting platform includes a lifting unit 2.1 and a unit block 2.2 connected to each other. The lifting unit 2.1 includes a fixed pile frame 2.1.1, a pile leg 2.1.2 and a connecting block 2.1.3. The unit block 2.2 is configured as a box structure.

[0032] The pile leg 2.1.2 preferably has at least two pieces spaced apart from each other, and the connecting block 2.1.3 has at least two first mounting holes that correspond one-to-one with the pile leg 2.1.2, and a single pile leg 2.1.2 is installed through a single first mounting hole;

[0033] The pile fixing frame 2.1.1 is provided with at least two sets, each corresponding to a pile leg 2.1.2. Each set of pile fixing frames 2.1.1 has two pieces spaced apart along the height direction of the pile leg 2.1.2. The two pieces in each set of pile fixing frames 2.1.1 are fixedly connected to the upper end face and the lower end face of the connecting block 2.1.3, respectively. Each piece of pile fixing frame 2.1.1 is provided with a second mounting hole for penetrating and installing the pile leg 2.1.2.

[0034] Preferably, a sliding bearing is provided between the first mounting hole and the pile leg 2.1.2 so that the connecting block 2.1.3 can slide relative to the pile leg 2.1.2 in the height direction.

[0035] Preferably, a gap of more than 1 mm is provided between the second mounting hole and the pile leg 2.1.2 to facilitate the flexible sliding of the pile fixing frame 2.1.1.

[0036] Preferably, to enable the sliding of the pile leg 2.1.2 relative to the connecting block 2.1.3, at least one set of driving components is further provided on the first lifting platform. Each set of driving components includes a power unit, a gear, and a rack. The fixed end of the power unit is fixedly connected to the pile frame 2.1.1, and the driving end of the power unit is fixedly connected to the gear. The rack is arranged along the height direction on the pile leg 2.1.2, and the rack and gear mesh with each other to enable the connecting block 2.1.3 to slide along the height direction of the pile leg 2.1.2. More preferably, the power unit is preferably configured as a motor structure.

[0037] As a further embodiment of this utility model, see [link to relevant documentation]. Figure 1 and Figure 2 As shown, a reinforced guardrail 2.3 is also provided on the unit block 2.2. The reinforced guardrail 2.3 is preferably set as an arched structure, and the two ends of the reinforced guardrail 2.3 extend to the two adjacent sets of lifting units 2.1 respectively.

[0038] As a further embodiment of this utility model, in order to avoid impact loads between the front-end mounting platform 3 and the first lifting platform or between the rear-end mounting platform 4 and the third lifting platform when the legs 2.1.2 of the first lifting platform and the legs 2.1.2 of the second lifting platform, or between the legs 2.1.2 of the first lifting platform and the legs 2.1.2 of the third lifting platform, are driven by different driving components and are not synchronized or have a deviation in height direction in the driving position, a hinge structure is provided between the front-end mounting platform 3 and the first lifting platform and between the rear-end mounting platform 4 and the third lifting platform.

[0039] Preferably, the hinge structure includes a hinge component and a buffer component; one end of the hinge component is fixedly connected to the front mounting platform 3 or the rear mounting platform 4, and the other end of the hinge component is fixedly connected to the lifting platform assembly 2; one end of the buffer component is fixedly connected to the front mounting platform 3 or the rear mounting platform 4, and the other end of the buffer component is fixedly connected to the lifting platform assembly 2. More preferably, the hinge component is preferably configured as an elastic hinge structure.

[0040] As a further embodiment of this utility model, the specific process of assembling the above-described ship upper deck lifting system is as follows:

[0041] Step 1: Divide the ship's upper deck lifting system into sections, specifically:

[0042] (1) Functional division: Based on the functional areas and structural characteristics of the lifting platform, the initial overall division is made into lifting unit overall section, unit block overall section, front-end mounting platform overall section and rear-end mounting platform overall section;

[0043] (2) Division of the lifting unit: Based on the structural and functional characteristics of the lifting unit, in order to ensure that as many structural construction procedures as possible are moved forward, the pile legs with large height spans are divided into two sections along the height direction to reduce the construction height and ensure personnel safety; the pile fixing frame and connecting block are each divided into sections to retain functional integrity.

[0044] (3) Unit block division: Based on the structural form and function of the unit block, in order to reduce the narrow space and the amount of overhead welding, and reduce the construction difficulty, the main structure is divided into two equal sections along the height direction: upper and lower; the connecting frame between the main structures is a plate frame structure and is divided into one section; the upper section guardrail is one section.

[0045] (4) Front-end platform overall segment division: The front-end platform is divided into one segment;

[0046] (5) Division of the backend platform: The backend platform is divided into one segment.

[0047] Step 2: Assemble the ship's upper deck lifting system in sections.

[0048] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A lifting system for the upper deck of a ship, characterized in that, This includes a forward mounting platform, a lifting platform assembly, and a rear mounting platform, all of which are installed on the upper deck of the ship; The lifting platform assembly includes multiple lifting platforms connected sequentially along the length of the ship. Hinged structures are provided between the front-end mounting platform and the lifting platform component, as well as between the rear-end mounting platform and the lifting platform component.

2. The shipboard upper deck lifting system according to claim 1, characterized in that, The lifting platform assembly includes a first lifting platform, a second lifting platform, and a third lifting platform. One end of the first lifting platform is connected to the front-end mounting platform, and one end of the third lifting platform is connected to the rear-end mounting platform. The second lifting platform is configured to be 0 pieces or at least one piece. When the second lifting platform is configured to be more than one piece, two adjacent second lifting platforms are connected to each other.

3. The shipboard upper deck lifting system according to claim 2, characterized in that, The first lifting platform, the second lifting platform, and the third lifting platform have the same structure.

4. The ship's upper deck lifting system according to claim 3, characterized in that, The first lifting platform includes interconnected lifting units and unit blocks. The lifting unit includes a fixed pile frame, pile legs, and connecting blocks. The unit block is configured as a box structure. The pile leg is provided with at least two pieces spaced apart from each other, and the connecting block is provided with at least two first mounting holes that correspond one-to-one with the pile leg. A single pile leg is installed through a single first mounting hole. The pile fixing frame is provided with at least two sets, each corresponding to a pile leg. Each set of pile fixing frames has two pieces spaced apart along the height direction of the pile leg. The two pieces in a single set of pile fixing frames are respectively fixed to the upper end face and the lower end face of the connecting block. Each piece of pile fixing frame is provided with a second mounting hole for penetrating and installing the pile leg.

5. The shipboard upper deck lifting system according to claim 4, characterized in that, At least one set of drive components is also provided on the first lifting platform. Each set of drive components includes a power unit, a gear, and a rack. The fixed end of the power unit is fixedly connected to the pile frame, the drive end of the power unit is fixedly connected to the gear, and the rack is arranged on the pile leg along the height direction. The rack and the gear mesh with each other.

6. The shipboard upper deck lifting system according to claim 5, characterized in that, A sliding bearing is also provided between the first mounting hole and the pile leg.

7. The shipboard upper deck lifting system according to claim 5, characterized in that, A gap of more than 1 mm is provided between the second mounting hole and the pile leg.

8. The shipboard upper deck lifting system according to claim 4, characterized in that, The unit block is also equipped with a reinforced guardrail, which is an arched structure, and the two ends of the reinforced guardrail extend to the two adjacent lifting units respectively.

9. The shipboard upper deck lifting system according to any one of claims 1-8, characterized in that, The hinge structure includes a hinge structure component and a buffer structure component; One end of the hinge structure is fixedly connected to the front mounting platform or the rear mounting platform, and the other end of the hinge structure is fixedly connected to the lifting platform assembly. One end of the buffer structure is fixedly connected to the front-end mounting platform or the rear-end mounting platform, and the other end of the buffer structure is fixedly connected to the lifting platform assembly.

10. The shipboard upper deck lifting system according to claim 9, characterized in that, The hinge structure is configured as an elastic hinge structure; The buffer structure is configured as an elastic deformable component.