Combined structure of crane cylinder and hatch coaming of multipurpose ship and installation method thereof
By designing a combined structure of crane hull and hatch coaming, the problems of fatigue strength failure and inconvenience in construction and maintenance of crane hulls during lifting operations on multipurpose vessels were solved. This resulted in a combined structure of crane hull and hatch coaming with high structural strength and convenient construction, thus extending its service life.
Patent Information
- Application Number
- CN202411743852.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-30
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2044-11-30
AI Technical Summary
The existing crane hull and hatch coaming structure of multipurpose vessels are at risk of fatigue failure during lifting operations, and construction and maintenance are inconvenient.
Design a combined structure of crane cylinder and hatch coaming, adopting an open box-shaped structure with passage and drainage holes, and installed in alignment with the main deck. By optimizing the structural form and dimensions, the load is effectively transferred. Combined with the main deck reinforcement structure, it forms an integral whole, and the strength is checked to meet the strength requirements.
It achieves a simple structure and reasonable layout, which facilitates construction and maintenance, improves the structural strength and rigidity of the crane body and hatch coaming, extends service life, and meets the working requirements of the crane.
Smart Images

Figure CN119408652B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to a combined structure of a crane cylinder and hatch coaming of a multipurpose ship and a mounting method. BACKGROUND
[0002] In the construction process of a multipurpose ship, a deck crane is one of the important equipment, which plays an important role in the loading and unloading of the ship, and the lifting operation. The crane cylinder plays a role in supporting and fixing the crane during the lifting operation. The crane cylinder has a large working load and a complex stress, and has a very high requirement for the strength and rigidity of the cylinder structure. According to the arrangement and size of the deck crane, as well as the setting requirement of the nearby related structure, and fully considering the various loads suffered by the deck crane in the extreme case, a reasonable form and size of the crane cylinder structure is adopted to meet the strength and rigidity requirement of the supporting structure of the deck crane under the working load, and the form of the crane cylinder and the supporting structure is optimized in combination with the form and characteristics of the hatch coaming structure, and the hatch coaming structure and the crane cylinder structure are combined to form an integrated whole, which is beneficial to effectively transmitting the working load to the ship structure and avoiding the fatigue strength damage to the crane cylinder structure. SUMMARY
[0003] The purpose of the present application is to provide a combined structure of a crane cylinder and a hatch coaming of a multipurpose ship, which has a simple structure, a reasonable arrangement, and is convenient for on-site construction and maintenance.
[0004] The technical scheme adopted by the present application to achieve the above purpose is as follows: a combined structure of a crane cylinder and a hatch coaming of a multipurpose ship, comprising a hatch coaming side plate (1), a hatch coaming panel (2), a panel reinforcing inclined plate (3), a panel reinforcing rib (4), a cylinder longitudinal partition plate (5), a cylinder longitudinal side plate (6), a cylinder longitudinal hole panel (7), a panel reinforcing elbow plate (8), a cylinder transverse side plate (9), a cylinder horizontal elbow plate (10), a cylinder center partition plate (11), a cylinder center plate (12), a cylinder center hole panel (13), a cylinder vertical rib plate (14), a hatch coaming horizontal rib (15), a hatch coaming horizontal partition plate (16), a partition plate manhole ring (17), and a main deck (18), wherein the hatch coaming side plate (1), the hatch coaming panel (2), the panel reinforcing inclined plate (3), the panel reinforcing rib (4), the cylinder longitudinal partition plate (5), the panel reinforcing elbow plate (8), the cylinder center partition plate (11), the hatch coaming horizontal rib (15), the hatch coaming horizontal partition plate (16), and the partition plate manhole ring (17) are assembled to form a hatch coaming structure, and the cylinder longitudinal side plate (6), the cylinder longitudinal hole panel (7), the cylinder transverse side plate (9), the cylinder horizontal elbow plate (10), the cylinder center plate (12), the cylinder center hole panel (13), and the cylinder vertical rib plate (14) are assembled to form a crane cylinder structure, and the hatch coaming structure and the crane cylinder structure are assembled and then installed in position with the main deck (18) and a main deck reinforcing structure (19).
[0005] The combined structure of the crane cylinder and the hatch coaming is an open box structure.
[0006] The crane cylinder structure is a box structure, and the cylinder longitudinal side plate (6) and the cylinder center plate (12) are provided with passing holes (20) and water flowing holes (21).
[0007] The cylinder longitudinal partition plate (5) of the hatch coaming structure is provided with a manhole (22).
[0008] Another technical solution adopted by the present application to achieve the above-mentioned purpose is a crane cylinder and hatch coaming combined structure installation method of a multipurpose ship, comprising the following steps:
[0009] a. According to the deck crane arrangement and size, and the requirements of the working load and equipment operation space, the size and form of the crane cylinder structure are preliminarily designed, and the personnel passing holes (20) and water flowing holes (21) are arranged on the cylinder longitudinal side plate (6) and the cylinder center plate (12);
[0010] b. According to the hatch coaming arrangement and hatch cover load, and the requirements of the hatch cover running space, combined with the characteristics and form of the transverse bulkhead structure at the main deck, the size and form of the hatch coaming structure are designed, and are aligned with the transverse bulkhead structure to form a complete ship structure, and the manhole (22) is arranged on the cylinder longitudinal partition plate (5);
[0011] c. The hatch coaming side plate (1), the hatch coaming face plate (2), the face plate reinforcing inclined plate (3), the face plate reinforcing rib (4), the cylinder longitudinal partition plate (5), the face plate reinforcing elbow plate (8), the cylinder center partition plate (11), the hatch coaming horizontal rib (15), the hatch coaming horizontal partition plate (16), and the partition plate manhole ring (17) are first assembled into a hatch coaming structure; the cylinder longitudinal side plate (6), the cylinder longitudinal hole face plate (7), the cylinder transverse side plate (9), the cylinder horizontal elbow plate (10), the cylinder center plate (12), the cylinder center hole face plate (13), and the cylinder vertical rib plate (14) are assembled into a crane cylinder structure, and after the hatch coaming structure and the crane cylinder structure are assembled, the main deck (18) and the main deck reinforcing structure (19) are aligned and installed to form a complete open box crane cylinder and hatch coaming combined structure, and the strength of the combined structure is checked to verify whether the structure form and size meet the strength requirements, and the reasonable structure form is designed to align the hatch coaming and the crane cylinder structure with the ship body reinforcing structure.
[0012] d. The combined structure and the ship body structure in the region are checked for strength to ensure that the total strength of the ship body structure in the region meets the relevant requirements of the specification.
[0013] The application is a combined structure of a crane cylinder and hatch coaming of a multipurpose ship and a mounting method thereof, which is simple in structure, novel in design, reasonable in layout, convenient for on-site construction and maintenance, high in structural strength, light in weight, good in rigidity and stability, and capable of meeting the functional requirements of a deck crane and a hatch cover. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 Fig. 1 is a front view of a combined structure of a crane cylinder and hatch coaming of a multipurpose ship according to the application.
[0015] Figure 2 Fig. 2 is a top view of the combined structure of the crane cylinder and hatch coaming of the multipurpose ship according to the application. Figure One .
[0016] Figure 3 Fig. 3 is a front view of the combined structure of the crane cylinder and hatch coaming of the multipurpose ship according to the application. Figure Two .
[0017] Figure 4 Fig. 4 is a side view of the combined structure of the crane cylinder and hatch coaming of the multipurpose ship according to the application.
[0018] In the drawing: 1, hatch coaming side plate; 2, hatch coaming face plate; 3, face plate reinforcing inclined plate; 4, face plate reinforcing rib; 5, cylinder longitudinal partition plate; 6, cylinder longitudinal side plate; 7, cylinder longitudinal hole face plate; 8, face plate reinforcing elbow plate; 9, cylinder transverse side plate; 10, cylinder horizontal elbow plate; 11, cylinder center partition plate; 12, cylinder center plate; 13, cylinder center hole face plate; 14, cylinder vertical rib plate; 15, hatch coaming horizontal rib; 16, hatch coaming horizontal partition plate; 17, partition plate manhole ring; 18, main deck; 19, main deck reinforcing structure; 20, passage hole; 21, water flow hole; 22, manhole. DETAILED DESCRIPTION
[0019] As Figures 1 to 4As shown, the combination structure of the crane cylinder and hatch coaming of the multipurpose ship comprises hatch coaming side plates 1, hatch coaming face plates 2, face plate reinforcing inclined plates 3, face plate reinforcing ribs 4, cylinder longitudinal bulkheads 5, cylinder longitudinal side plates 6, cylinder longitudinal hole face plates 7, face plate reinforcing knee plates 8, cylinder transverse side plates 9, cylinder horizontal knee plates 10, cylinder center bulkheads 11, cylinder center plates 12, cylinder center hole face plates 13, cylinder vertical rib plates 14, hatch coaming horizontal ribs 15, hatch coaming horizontal bulkheads 16, bulkhead manhole rings 17 and main decks 18, the hatch coaming side plates 1, hatch coaming face plates 2, face plate reinforcing inclined plates 3, face plate reinforcing ribs 4, cylinder longitudinal bulkheads 5, face plate reinforcing knee plates 8, cylinder center bulkheads 11, hatch coaming horizontal ribs 15, hatch coaming horizontal bulkheads 16 and bulkhead manhole rings 17 are assembled to form a hatch coaming structure, the cylinder longitudinal side plates 6, cylinder longitudinal hole face plates 7, cylinder transverse side plates 9, cylinder horizontal knee plates 10, cylinder center plates 12, cylinder center hole face plates 13 and cylinder vertical rib plates 14 are assembled to form a crane cylinder structure, the hatch coaming structure and the crane cylinder structure are assembled and then installed in position with the main decks 18 and main deck reinforcing structures 19 to form a complete open box-shaped combination structure of the crane cylinder and hatch coaming, the crane cylinder structure is in the form of a box, the cylinder longitudinal side plates 6 and the cylinder center plates 12 of the crane cylinder structure are provided with passing holes 20 and water flowing holes 21, and the cylinder longitudinal bulkheads 5 of the hatch coaming structure are provided with manholes 22; the installation method of the combination structure of the crane cylinder and hatch coaming of the multipurpose ship comprises the following steps: a, according to the arrangement and size of the deck crane, the required space for equipment operation and the working load, the size and form of the crane cylinder structure are preliminarily designed, the box-shaped structure is adopted to facilitate the alignment with the ship structure and to facilitate the transmission of the load of the crane cylinder structure to the ship structure, the passing holes and water flowing holes are provided on the cylinder longitudinal side plates 6 and the cylinder center plates 12 to facilitate the passing of the on-site personnel and to avoid water accumulation on the main deck; b, according to the arrangement of the hatch coaming, the load of the hatch cover and the space required for the operation of the hatch cover, the size and form of the hatch coaming structure are designed in combination with the characteristics and form of the transverse bulkhead structure at the main deck to form a complete ship structure in alignment with the transverse bulkhead structure, which facilitates the transmission of the load of the hatch coaming structure to the ship structure, and the manholes 22 are provided on the cylinder longitudinal bulkheads 5 to facilitate the passing of the on-site personnel; c, the hatch coaming side plates 1 are taken as the base surface to assemble the hatch coaming face plates 2, face plate reinforcing inclined plates 3, face plate reinforcing ribs 4, cylinder longitudinal bulkheads 5, face plate reinforcing knee plates 8, cylinder center bulkheads 11, hatch coaming horizontal ribs 15, hatch coaming horizontal bulkheads 16 and bulkhead manhole rings 17 into the hatch coaming structure;With the lateral side plate 9 of the cylinder as a base surface, the longitudinal side plate 6, the longitudinal hole surface plate 7, the horizontal elbow plate 10, the central plate 12, the central hole surface plate 13, and the vertical rib plate 14 of the cylinder are assembled to form a crane cylinder structure. After the hatch coaming structure and the crane cylinder structure are assembled, they are aligned with the main deck 18 and the main deck reinforcement structure 19 to form a complete open box-shaped crane cylinder and hatch coaming combined structure. The strength of the combined structure is checked to verify whether the structure form and size meet the strength requirements. The structure form is designed to be reasonable so that the hatch coaming and the crane cylinder structure are aligned with the ship body reinforcement structure, which is conducive to the effective transmission of the working load of the combined structure to the ship body structure, thereby avoiding fatigue strength damage to the crane cylinder structure;d. The combined structure and the ship body structure in the region are checked for strength to ensure that the total strength of the ship body structure in the region meets the relevant requirements of the specification. In order to maximize the internal space of the combined structure and minimize the structure size, the combined structure and its reinforcement structure are optimized according to the final checking results, so that the combined structure form is simple and novel, the arrangement is reasonable, the on-site construction and maintenance are convenient, the structure strength is high and the weight is light, the rigidity and stability are good, the equipment use function requirements are met, and the combined structure is aligned with the ship body reinforcement structure to form an integral whole, effectively transmitting the working load of the deck crane and the hatch cover, participating in the local total strength of the ship body structure, and improving the fatigue strength and service life of the combined structure.
Claims
1. A combined structure of a crane hull and hatch coaming for a multipurpose vessel, characterized in that: The system includes hatch cofferdam side panels (1), hatch cofferdam panels (2), panel reinforcing inclined plates (3), panel reinforcing ribs (4), longitudinal bulkheads (5), longitudinal side panels (6), longitudinal hole panels (7), panel reinforcing elbows (8), transverse side panels (9), horizontal elbows (10), central bulkheads (11), central plates (12), central hole panels (13), vertical stiffeners (14), horizontal stiffeners (15), horizontal bulkheads (16), bulkhead manhole rings (17), and the main deck (18). The hatch cofferdam structure is formed by assembling the central bulkhead (11), the hatch cofferdam horizontal stiffener (15), the hatch cofferdam horizontal bulkhead (16), and the bulkhead manhole ring (17). The longitudinal side plate (6), the longitudinal hole panel (7), the transverse side plate (9), the horizontal elbow plate (10), the central plate (12), the central hole panel (13), and the vertical stiffener (14) of the cylinder are assembled to form the crane cylinder structure. The hatch cofferdam structure and the crane cylinder structure are assembled and then aligned and installed with the main deck (18) and the main deck reinforcement structure (19). The installation method of the combined structure of the crane cylinder and the hatch cofferdam of the multipurpose vessel includes the following steps: a. According to the deck crane layout and size, as well as the working load and equipment operation requirements. Based on the space requirements, the dimensions and form of the crane cylinder structure were initially designed. Personnel passage holes (20) and drainage holes (21) were set on the longitudinal side plates (6) and the central plate (12) of the cylinder. b, Based on the hatch coaming arrangement, hatch cover load and hatch cover operating space requirements, combined with the characteristics and form of the transverse bulkhead structure at the main deck, the dimensions and form of the hatch coaming structure were designed, and aligned with the transverse bulkhead structure to form a complete hull structure. Manholes (22) were set on the longitudinal bulkhead (5) of the cylinder. c, the hatch coaming side plates (1), hatch coaming panels (2), panel reinforcing inclined plates (3), panel reinforcing ribs (4), cylinder longitudinal bulkheads (5), panel reinforcing elbow plates (8), cylinder central bulkheads (11), and hatch coaming horizontal ribs (15) were installed. The hatch cofferdam horizontal bulkhead (16) and bulkhead manhole ring (17) are first assembled into the hatch cofferdam structure; the longitudinal side plate (6), longitudinal hole panel (7), transverse side plate (9), horizontal elbow plate (10), center plate (12), center hole panel (13), and vertical stiffener (14) of the cylinder are assembled into the crane cylinder structure. After the hatch cofferdam structure and the crane cylinder structure are assembled, they are aligned and installed with the main deck (18) and the main deck reinforcement structure (19) to form a complete open box-shaped crane cylinder and hatch cofferdam combination structure. The strength of the combination structure is checked to verify whether the structural form and size meet the strength requirements. A reasonable structural form is designed to align the hatch cofferdam and crane cylinder structure with the hull reinforcement structure.d. Perform strength verification on the combined structure together with the hull structure of the area to ensure that the overall strength of the hull structure in that area meets the relevant requirements of the specifications.
2. The combined structure of the crane hull and hatch coaming of a multipurpose vessel according to claim 1, characterized in that: The combined structure of the crane cylinder and the hatch coaming is an open box-shaped structure.
3. The combined structure of the crane hull and hatch coaming of a multipurpose vessel according to claim 1, characterized in that: The crane cylinder structure is a box-shaped structure, and the longitudinal side plate (6) and the central plate (12) of the crane cylinder structure are provided with passage holes (20) and water flow holes (21).
4. The combined structure of the crane hull and hatch coaming of a multipurpose vessel according to claim 1, characterized in that: The hatch enclosure structure has a manhole (22) on its longitudinal bulkhead (5).
Citation Information
Patent Citations
Ship
CN113120171A
Pile fixing guide structure and ship
CN115180064A
Supporting structure of stern horizontal axial cable guider of dredging engineering ship
CN215436808U