Ship deck manhole protection structure

By designing detachable support plates and column guardrail structures at the manholes on the ship's deck, and using screw connections to achieve rapid installation and disassembly, the problems of inconvenient construction and high cost in existing technologies are solved, thereby improving safety and reducing costs.

CN223878180UActive Publication Date: 2026-02-06SANDIANSHUI NEW ENERGY TECH (ANHUI) CO LTD
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Patent Information

Application Number
CN202520450290.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2026-02-06
Estimated Expiration
2035-03-14

AI Technical Summary

Technical Problem

Existing ship deck manhole protection structures are inconvenient to construct, cannot be recycled, are costly, and lack sufficient safety.

Method used

Design a protective structure comprising multiple support plates and upright guardrails. The support plates are movably connected by a central shaft and fixed with screws and screw holes on the edge of the manhole. Combined with a protective chain, it enables quick installation and disassembly and is suitable for manholes of different sizes.

Benefits of technology

It improves the safety of ship deck construction, reduces accidents, has a simple structure, is quick to install, can be reused after disassembly, and reduces costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to a ship deck manhole protection structure in the technical field of ship deck components. Comprising a plurality of supporting plates (1), the middles of the supporting plates (1) are movably connected through a center shaft (2), an open hole (3) is formed in the outer end of each supporting plate (1), and a plurality of screw holes (5) are formed in the edge of a manhole (4). The ship deck manhole protection structure further comprises a plurality of stand column guardrails (7), a bottom plate (12) is arranged at the bottom of each stand column guardrail (7), and a bottom plate opening is formed in each bottom plate (12). The ship deck manhole protection structure is simple in structure, can conveniently protect the ship deck manhole, improves the safety of deck area construction during ship building and maintenance, reduces accidents, is fast in structure installation, can be reused after being disassembled, and reduces cost.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to ship deck part technical field, more specifically, it relates to a ship deck manhole protection structure. BACKGROUND

[0002] In the process of ship building, the manhole on the deck is in a long-term open state, and the staff walking on the deck has the risk of falling, and the falling accident may cause casualties. Therefore, a protective structure needs to be set at the manhole position, and the existing protective structure is either a welded plate or a welded grid, which is inconvenient to construct, and the parts cannot be recycled and utilized, and the cost is high.

[0003] In the prior art, a protective device for a manhole cover on a ship and a use method thereof are disclosed in CN112026991A, which relates to the field of ship railings, and specifically relates to a protective device for a manhole cover on a ship, comprising a plurality of railing uprights, each of which is spaced apart. A protective chain is connected between each railing upright. The present application discloses a protective device for a manhole cover on a ship. Through the cooperation of the railing uprights and the protective chain, the surrounding of the manhole on the ship can be well blocked. In addition, the protective device in the present application is a detachable structure, which not only ensures the safety protection requirements of the opening edge, but also does not block the passage inside and outside the open hatch cover hole. After construction is completed, it can be easily removed. However, the technology does not involve the technical problems and technical solutions of the present application. UTILITY MODEL CONTENTS

[0004] The technical problem to be solved by the utility model is that, in view of the deficiencies of the prior art, a ship deck manhole protection structure is provided, which has a simple structure, can conveniently protect the ship deck manhole, improves the safety of the deck area construction during ship building and maintenance, reduces the occurrence of accidents, has quick structure installation, can be reused after disassembly, and reduces the cost.

[0005] To solve the above technical problems, the utility model adopts the technical scheme that:

[0006] The utility model discloses a ship deck manhole protection structure, which comprises a plurality of supporting plates, the central axes of the plurality of supporting plates are movably connected in the middle, the outer end of each supporting plate is provided with an opening, and a plurality of screw holes are arranged on the edge of the manhole.

[0007] The plurality of supporting plates are arranged at an angle above the manhole, the opening at the outer end of each supporting plate is aligned with one screw hole on the edge of the manhole, and each screw rod is screwed and connected through one opening and one corresponding screw hole.

[0008] The ship deck manhole protection structure further comprises a plurality of column guardrails, each of which is provided with a bottom plate at the bottom, and the bottom plate is provided with a bottom plate opening.

[0009] Each screw rod is screwed and connected with a screw hole at the edge of the manhole through the bottom plate opening of one column guardrail.

[0010] The protection chain is connected between two adjacent column guardrails.

[0011] The support plate comprises a support plate set, a first support plate set plate and a second support plate set plate, one end of the support plate set is movably inserted into the first support plate set plate, and the other end of the support plate set is movably inserted into the second support plate set plate.

[0012] The support plate is provided with two or three.

[0013] The central shaft is movably connected with the support plate set of a plurality of support plates.

[0014] The outer end of the first support plate set plate of the support plate is provided with an opening, and the outer end of the second support plate set plate is provided with an opening.

[0015] The technical scheme of the utility model has the following working principle and beneficial effects:

[0016] The ship deck manhole protection structure has the following advantages: when the structure is set, a plurality of support plates are made, each of which is a plate-shaped structure and has a certain flexibility, and the length of the support plate is greater than the diameter of the manhole; the central shaft is movably connected with the middle part of the plurality of support plates, so that the relative positions of the plurality of support plates can be changed, the outer end of each support plate is provided with an opening, the opening is used for the screw rod to pass through, a plurality of screw holes are arranged at the edge of the manhole, and the screw holes are used for the screw rod to be screwed and connected. When the manhole needs to be protected, the plurality of support plates are movably connected through the connecting shaft, then the support plates are arranged at the position above the manhole, the positions of the support plates are adjusted, the opening at the outer end of each support plate is aligned with one screw hole at the edge of the manhole, then one screw rod is passed through each opening, the screw rod is screwed and connected with the screw hole, the support rod and the edge of the manhole are fixedly connected, the plurality of support rods shield the manhole from different directions, and accidents caused by personnel falling are avoided. In this way, the safety of the operating personnel on the ship deck is ensured, the safety of the deck area during ship construction and maintenance is improved, and the occurrence of accidents is reduced. When the construction is completed, the ship deck manhole protection structure needs to be removed, the screw rod only needs to be loosened, and then the support rod can be removed, the support rod is not damaged and can be used for protection of other manholes, the structure can be reused after being disassembled, and the manufacturing cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] The content expressed by each drawing of the specification and the marks in the drawings are briefly described as follows:

[0018] Figure 1 The structural schematic view of the manhole protection structure of the ship deck is shown in the utility model.

[0019] Figure 2 The structural schematic view of the manhole protection structure of the ship deck is shown in the utility model.

[0020] Figure 3 The structural schematic view of the support plate with the telescopic function is shown in the utility model.

[0021] In the drawing, the marks are respectively: 1, support plate; 2, central shaft; 3, opening; 4, manhole; 5, screw hole; 6, screw rod; 7, stand column guardrail; 8, protection chain; 9, support plate set; 10, first support plate sleeve plate; 11, second support plate sleeve plate; 12, bottom plate. DETAILED DESCRIPTION

[0022] The shape, structure, mutual position and connecting relationship between parts, the function and working principle of each part of the specific implementation mode of the utility model are further explained in detail by the description of the embodiments with reference to the drawings:

[0023] As shown in the accompanying Figure 1 - the accompanying Figure 3The utility model discloses a ship deck manhole protection structure, including a plurality of support plate 1, the middle part of a plurality of support plate 1 is connected through the central shaft 2, and the outer end of each support plate 1 is provided with an opening 3 respectively. The structure is improved based on the deficiencies of the prior art. When the structure is set, a plurality of support plates 1 are made, each support plate is a plate structure, has a certain flexibility, and the length of the support plate is greater than the diameter of the manhole. The middle part of a plurality of support plates 1 is connected through the central shaft 2, so that the relative position between a plurality of support plates 1 can be changed. The outer end of each support plate 1 is provided with an opening 3 respectively, and the opening is used for the screw rod 6 to pass through. A plurality of screw holes 5 are arranged on the edge of the manhole 4, and the screw hole 5 is used for screw rod 6 to be connected. When the manhole 4 needs to be protected, a plurality of support plates 1 are connected through the connecting shaft 2, and then the support plate 1 is arranged above the manhole 4. The position of each support plate 1 is adjusted so that the opening 3 at the outer end of each support plate 1 is aligned with a screw hole 5 at the edge of the manhole 4. Then each opening 3 is positioned through a screw rod 6, and the screw rod 6 is connected with the screw hole 5. The support rod 1 and the edge of the manhole 4 are fixedly connected. A plurality of support rods 1 shield the manhole 4 from different directions to prevent accidents caused by falling. This provides safety for the operating personnel on the ship deck, improves the safety of the deck area construction during shipbuilding and maintenance, and reduces the occurrence of accidents. After the construction is completed, the ship deck manhole protection structure needs to be removed. Only the screw rod 6 needs to be loosened, and the support rod 1 can be removed. The support rod 1 is not damaged and can be used for protection of other manholes 4, achieving repeated use after the structure is disassembled and reducing manufacturing costs. The ship deck manhole protection structure has a simple structure, can conveniently protect the ship deck manhole, improves the safety of the deck area construction during shipbuilding and maintenance, reduces the occurrence of accidents, and has quick structure installation, repeated use after disassembly and reduced costs.

[0024] A plurality of support plates 1 are arranged at an angle above the manhole 4. The opening 3 at the outer end of each support plate 1 is aligned with a screw hole 5 at the edge of the manhole 4. Each screw rod 6 passes through an opening 3 and a corresponding screw hole 5 to be connected. The structure can reliably connect the outer end of the support rod with the screw hole of the manhole through the screw rod, and reliably fix the support rod. The opening is a waist-shaped hole. A support rod of one structure can be used with manholes of various sizes, without the need for the support rod to have a telescopic function to improve the application range of the structure.

[0025] The ship deck manhole protection structure further includes a plurality of column guardrails 7. Each column guardrail 7 is provided with a bottom plate 12 at the bottom, and the bottom plate 12 is provided with a bottom plate opening. Each screw rod 6 passes through the bottom plate opening of a column guardrail 7 and is connected with a screw hole 5 at the edge of the manhole 4. The column guardrail is welded with the bottom plate, and the bottom plate can be reliably fixed and connected through the screw rod.

[0026] Connecting protective chain 8 between two adjacent column guardrails 7. The above structure, the column guardrail is connected by using the chain of the ship, and the warning sign is hung, which further prevents misentry from stepping on the empty.

[0027] The support plate 1 includes a support plate sleeve 9, a first support plate sleeve plate 10 and a second support plate sleeve plate 11, one end of the support plate sleeve 9 is movably inserted into the first support plate sleeve plate 10, and the other end of the support plate sleeve 9 is movably inserted into the second support plate sleeve plate 11. The first support plate sleeve plate 10 of the support plate 1 is provided with an opening 3 at the outer end, and the second support plate sleeve plate 11 is provided with an opening 3 at the outer end. The above structure, the support plate can be divided into three sections, and the length of the support plate sleeve 9, the first support plate sleeve plate 10 and the second support plate sleeve plate 11 is far greater than the diameter of the manhole, so that the support plate cannot be separated after being connected to the screw hole of the manhole through the screw rod 6, and the connection is reliable. After the support plate 1 is divided into three sections, the length of the support plate 1 can be adjusted according to manholes 4 of different diameters, effectively improving the application range.

[0028] The support plate 1 is provided with two or three. The central shaft 2 movably connects the support plate sleeves 9 of a plurality of support plates 1. The above structure movably connects a plurality of support plates through the central shaft, ensures reliable connection, can only rotate relatively, will not fall off, and improves the blocking reliability of the manhole.

[0029] The ship deck manhole protection structure, when the structure is set, a plurality of support plates 1 are manufactured, each support plate is a plate-shaped structure, has a certain flexibility itself, and the length of the support plate is greater than the diameter of the manhole, and the plurality of support plates 1 are movably connected through the central shaft 2, so that the relative positions of the plurality of support plates 1 can be changed, and the outer ends of each support plate 1 are respectively provided with openings 3 for the screw rod 6 to pass through, and a plurality of screw holes 5 are arranged on the edge of the manhole 4 and are used for screw rod 6 screw connection. When the manhole 4 needs to be protected, the plurality of support plates 1 are movably connected through the connecting shaft 2, and then the support plates 1 are arranged above the manhole 4, the positions of each support plate 1 are adjusted, the openings 3 at the outer ends of each support plate 1 are aligned with one screw hole 5 at the edge of the manhole 4, and then one screw rod 6 passes through each opening 3, and the screw rod 6 is screwed and connected with the screw hole 5, so that the support rod 1 and the edge of the manhole 4 are fixedly connected, and the plurality of support rods 1 block the manhole 4 from different directions, so that accidents caused by falling of personnel during passing are avoided. In this way, safety protection is provided for the operating personnel during ship deck construction, the safety of the deck area construction during ship building and maintenance is improved, and the occurrence of accidents is reduced. After the construction is completed, the ship deck manhole protection structure needs to be removed, only the screw rod 6 needs to be loosened, and then the support rod 1 can be removed, the support rod 1 will not be damaged and can be used for protection of other manholes 4, so that the structure can be reused after being disassembled, and the manufacturing cost is reduced.

[0030] The utility model has been described above in conjunction with the drawings, obviously, the specific implementation of the utility model is not limited by the above-mentioned mode, as long as various improvements of the method concept and technical scheme of the utility model are adopted, or the concept and technical scheme of the utility model is directly applied to other occasions without improvement, all are within the protection scope of the utility model.

Claims

1. A ship deck hatchway protection structure, characterized by: Including multiple support plates (1), the middle of multiple support plates (1) is movably connected through a central shaft (2), the outer end of each support plate (1) is respectively provided with an opening (3), and multiple screw holes (5) are arranged on the edge of a manhole (4).

2. A ship deck hatchway protection structure according to claim 1, characterised in that: Multiple support plates (1) are arranged at an angle above the manhole (4), the opening (3) at the outer end of each support plate (1) is aligned with one screw hole (5) on the edge of the manhole (4), and each screw rod (6) is screwed and connected through one opening (3) and one corresponding screw hole (5).

3. A ship deck hatchway protection structure according to claim 1 or 2, c h a r a c t e r i s e d in that: The ship deck manhole protection structure further comprises a plurality of column guardrails (7), and the bottom of each column guardrail (7) is provided with a bottom plate (12), and the bottom plate (12) is provided with a bottom plate opening.

4. A ship deck hatchway protection structure according to claim 3, characterised in that: Each screw rod (6) is screwed and connected through the bottom plate opening of one column guardrail (7) and one screw hole (5) on the edge of the manhole (4).

5. A ship deck hatchway protection structure according to claim 3, characterised in that: The adjacent two column guardrails (7) are connected by a protective chain (8).

6. A ship deck hatchway protection structure according to claim 1 or 2, characterized in that: The support plate (1) comprises a support plate sleeve (9), a first support plate sleeve plate (10) and a second support plate sleeve plate (11), one end of the support plate sleeve (9) is movably inserted into the first support plate sleeve plate (10), and the other end of the support plate sleeve (9) is movably inserted into the second support plate sleeve plate (11).

7. A ship deck hatchway protection structure according to claim 1 or 2, characterized in that: The support plate (1) is provided with two or three.

8. A ship deck hatchway guard structure according to claim 6, characterised in that: The central shaft (2) movably connects the support plate sleeve (9) of the plurality of support plates (1).

9. A ship deck hatchway protection structure according to claim 8, characterised in that: The outer end of the first support plate sleeve plate (10) of the support plate (1) is provided with an opening (3), and the outer end of the second support plate sleeve plate (11) is provided with an opening (3).

Citation Information

Patent Citations

  • Protective device for manhole cover opening in ship and using method thereof

    CN112026991A