Large-scale modularized safety type step bridge device

By designing a large-scale modular safety-oriented walkway bridge device that integrates marine equipment, piping systems, and electrical systems, and is equipped with safety sliding supports and lashing components, the problems of rapid assembly and safety of walkway bridge devices on ships have been solved, thereby improving both safety and construction efficiency.

CN223764654UActive Publication Date: 2026-01-06AVIC DINGHENG SHIPBUILDING CO LTD
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Patent Information

Application Number
CN202520191921.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2026-01-06
Estimated Expiration
2035-02-07

AI Technical Summary

Technical Problem

Existing walkway bridge devices are difficult to integrate effectively and assemble quickly across different disciplines on ships, and pose a risk of crew members falling in rough sea conditions, affecting ship operation safety and construction efficiency.

Method used

Design a large-scale modular safety pontoon device, including a ship pontoon and safety protection components. The ship pontoon integrates marine equipment, piping and electrical systems, and is equipped with safety sliding supports, grips and lashing components. It achieves safe sliding through magnetic coils and locking sliders, provides safety lashing, and improves the safety of crew members in harsh sea conditions.

Benefits of technology

It enables rapid assembly and enhanced safety across various disciplines, reduces construction difficulty and time, and significantly improves the safety and convenience of crew members in harsh sea conditions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an implementation scheme of a large-scale modular step bridge of an oil ship, a related safety connecting device and a large-scale modular safety type step bridge device, which are characterized in that a ship step bridge is arranged on the ship according to a design scheme, and turbine equipment, a pipe system and electricity are integrated and arranged on the ship step bridge to realize large-scale modular assembly; the safety protection part is arranged on the ship step bridge, the safety protection part comprises a safety sliding supporting part, a safety holding part and a safety binding part, the safety sliding supporting part is arranged on the ship step bridge in a sliding mode, and the safety holding part is arranged on the safety sliding supporting part and is used for being grabbed by a person; the safety binding piece is arranged on the safety sliding supporting piece and used for being bound on the body of a sailor using the sailor. The device is reasonable in structural design, convenient to use and high in safety; effective technical support is provided for rapid construction of multi-specialty multifunctional large modules, and cost reduction and efficiency improvement of on-site construction operation are practically and effectively achieved.
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Description

Technical Field

[0001] This utility model relates to the field of marine equipment technology, and more specifically, to a large-scale modular safety walkway device. Background Technology

[0002] The walkway bridge is the largest modular area on the main deck of a ship. Since mechanical, piping, electrical, and structural systems also need to be located in the corresponding area, effectively integrating these various disciplines and ensuring parallel and overlapping operations is a major challenge for shipyards. Its design and installation constrain and affect the entire shipbuilding schedule. Therefore, designing a large-scale modular walkway bridge that integrates various disciplines and allows for rapid assembly is an urgent need for shipyards. Furthermore, the walkway bridge provides passage for crew members. Due to unpredictable sea conditions, crew members may encounter sudden adverse sea conditions, making it difficult to move when transferring to cabins, and even posing a risk of falling off the walkway. Therefore, designing a large-scale modular safety walkway bridge device is of significant practical value. Utility Model Content

[0003] To overcome the above-mentioned defects, this utility model relates to the multi-disciplinary and multi-functional modular assembly of large walkways on the main deck of ships and a safety walkway device for oil and gas carriers. Specifically, this utility model discloses an implementation scheme for a large modular walkway for oil and gas carriers and related safety connection devices, including: an integrated modular scheme for ship walkways, which is installed on the ship according to the design scheme and is mainly used by the crew for walking. It integrates modules of various specialties (electrical cables and large pipelines and valve accessories, various electronic sensor element bases);

[0004] This utility model provides a design and implementation scheme for a large-scale modular system that integrates various disciplines and allows for rapid assembly, and also provides a large-scale modular safety walkway device. The specific technical solution adopted is as follows:

[0005] Large modular safety-type pedestrian bridge assembly, including:

[0006] The ship's walking bridge is installed on the ship according to the design plan and is mainly used by the crew for walking. The ship's walking bridge integrates the engine equipment, piping system and electrical system to achieve large modular assembly.

[0007] Safety protection components are installed on the ship's bridge. The safety protection components include a safety sliding support, a safety grip, and a safety lashing. The safety sliding support is slidably installed on the ship's bridge. The safety grip is on the safety sliding support for personnel to grasp. The safety lashing is on the safety sliding support for securing to the crew member.

[0008] Preferably, the ship's walkway includes walkway units, the structure of which is determined according to design requirements, and the walkway units are arranged adjacent to each other on the ship according to design requirements for use by the crew.

[0009] Preferably, the safety sliding support includes a locking sliding member and a support relay member. The locking sliding member is disposed on the safety support seat on the handrail of the step bridge unit, and the support relay member is disposed on the locking sliding member. The safety support seat is fixedly fastened to the upper surface of the handrail, and sliding grooves are provided on the outer walls of both grooves of the safety support seat.

[0010] Preferably, the locking slider includes a locking slider seat and a circumferential locking slider. The locking slider seat is slidably fitted onto the safety support seat, and the circumferential locking slider is slidably connected to the safety support seat on the locking slider seat. The locking slider seat has locking through holes on both groove walls that correspond one-to-one with the two sliding grooves.

[0011] Preferably, the circumferential locking slider includes a circumferential locking slider, a locking transmission rod, a locking support seat, and a magnetic coil. The circumferential locking slider is slidably fitted into the locking through hole. One end of the locking transmission rod is disposed on the other side of the circumferential locking slider. A locking hole is provided on one side of the locking support seat. One side of the locking support seat is disposed on one side wall of the locking slider seat, and the locking hole is correspondingly fitted outside the other end of the locking transmission rod. The magnetic coil is embedded in a spiral groove on the inner wall of the locking hole.

[0012] Preferably, the supporting relay component includes a supporting relay base, the bottom end surface of which is provided with a first arc groove, and the supporting relay base is fixedly fitted onto the locking sliding seat through the first arc groove.

[0013] Preferably, the safety grip includes a grip adjustment member and a grip locking member. The grip adjustment member is disposed on the support relay seat, and the grip locking member is disposed on the grip adjustment member. The grip adjustment member includes a grip rotating seat, a grip support seat, and a handle. The grip rotating seat is rotatably fitted into a second arc groove on the top surface of the support relay seat, and the rotating shafts on both ends of the grip rotating seat rotatably pass through the support seats at both ends of the second arc groove. One side of the grip support seat is disposed on the side wall of the grip rotating seat, and one side of the handle is disposed on the other side of the grip support seat.

[0014] Preferably, the gripping locking component includes a first end gear, a locking transmission tube, a tension spring, and a second end gear. The first end gear is fixedly disposed on one end face of the support relay seat. One end face of the locking transmission tube is closed, and the other end of the locking transmission tube is axially slidably mounted on the free end of the rotating shaft. The sliding block on the inner wall of the locking transmission tube is slidably embedded in the groove on the rotating shaft. The second end gear is mounted on the other end face of the locking transmission tube and can mesh with the first end gear. One end of the tension spring is connected to one end of the locking transmission tube, and the other end of the tension spring is connected to the free end of the rotating shaft.

[0015] Preferably, the safety harness includes a safety belt, a insert, and a buckle. One end of the safety belt is connected to the support relay seat, and the other end of the safety belt is provided with two tightening straps. The insert and the buckle are connected one by one to the free ends of the two tightening straps.

[0016] Preferably, multiple sets of safety protection components are provided, and the multiple sets of safety protection components are respectively installed on the guardrails on both sides to provide safety protection for the crew.

[0017] This utility model has at least the following beneficial effects:

[0018] 1) This utility model of large-scale modular safety pedestrian bridge device has a reasonable structural design, is easy to use, and has high safety; it provides effective technical support for the rapid construction of multi-professional and multi-functional large modules, and effectively reduces costs and increases efficiency in on-site construction operations.

[0019] 2) The large modular safety walkway device of this utility model is equipped with a safety sliding support, a safety grip and a safety lashing. After the crew members are strapped to the safety lashing, they can hold the safety grip and walk safely on the walkway and quickly transfer to the cabin by sliding the safety sliding support on the handrail. This significantly improves the convenience of using the safety protection device and the safety of walking on the walkway in turbulent sea conditions.

[0020] Other advantages, objectives and features of this invention will be partly apparent from the following description, and partly understood by those skilled in the art through study and practice of this invention. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of the walkway unit in the large modular safety walkway device of this utility model;

[0022] Figure 2 This is the main view of the large modular safety pedestrian bridge device of this utility model;

[0023] Figure 3This utility model relates to a large-scale modular safety pedestrian bridge device. Figure 2 A magnified view of part C;

[0024] Figure 4 This is a top view of the large modular safety pedestrian bridge device of this utility model;

[0025] Figure 5 This utility model relates to a large-scale modular safety pedestrian bridge device. Figure 2 Schematic diagram of the three-dimensional structure in the AA direction section;

[0026] Figure 6 This utility model relates to a large-scale modular safety pedestrian bridge device. Figure 5 A magnified view of part D;

[0027] Figure 7 This utility model relates to a large-scale modular safety pedestrian bridge device. Figure 4 Schematic diagram of the three-dimensional structure in the BB direction;

[0028] Figure 8 This utility model relates to a large-scale modular safety pedestrian bridge device. Figure 7 A magnified view of part E in the image.

[0029] Wherein: 2-handrail, 3-safety support seat, 4-locking sliding seat, 5-circumferential locking slider, 6-locking transmission rod, 7-locking support seat, 8-support relay seat, 9-grip rotating seat, 10-grip support seat, 11-grip, 12-first end gear plate, 13-locking transmission tube, 14-tension spring, 15-second end gear plate, 16-seat belt, 17-insert plate, 18-buckle, 19-tightening strap, 20-sliding groove, 21-rotating shaft. Detailed Implementation

[0030] The technical solution of this utility model will be described in detail below with reference to the accompanying drawings and through embodiments. It should be noted that the description of these embodiments is for the purpose of helping to understand this utility model, but does not constitute a limitation on this utility model.

[0031] In this article, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can mean: A exists alone, B exists alone, and A and B exist simultaneously. The term " / and" in this article describes another type of relationship between related objects, indicating that two relationships can exist. For example, A / and B can mean: A exists alone, and A and B exist alone. In addition, the character " / " in this article generally indicates that the related objects before and after it are in an "or" relationship.

[0032] according to Figures 1-8As shown, a large-scale modular safety walkway device includes a ship's walkway and safety protection components. The ship's walkway is installed on a chemical tanker, and the safety protection components are installed on the walkway. The ship's walkway includes walkway units, which are frame-shaped and made of square steel tubing. Furthermore, multiple walkway units are provided, the structure of which is determined according to design requirements. These multiple walkway units are installed adjacent to each other on the ship according to design requirements for crew access. The walkway units integrate other professional systems (engineering equipment, piping, electrical) into a single unit, achieving large-scale modular assembly. The large-scale modular design has been optimized in the docking area in conjunction with the hull structure. Considering the layout of the engine equipment and piping systems, the walkway, which runs from bow to stern across the entire main deck, was segmented and connected during on-site construction to facilitate rapid docking and assembly.

[0033] The construction process for the hoisting of the pedestrian bridge unit includes:

[0034] 1) Divide the locations on the vessel where the multiple bridge units are installed according to the construction process into units;

[0035] 2) The structure of the walkway unit is prefabricated in sections (main frame structure, railings, handrails) in the inner field (manufacturing workshop). For structures with a large span of a single main frame, temporary support reinforcement is required to prevent deformation of the main frame structure.

[0036] 3) Assemble the prefabricated components (including structural frame, pipe supports, pipe fittings and electrical outfitting components);

[0037] 4) Use a crane to pre-assemble the units in its segmented areas;

[0038] 5) Paint the walkway bridge units;

[0039] 6) Fiberglass grating is laid on top of the pedestrian bridge unit;

[0040] 7) Mark the installation location on the ship's deck;

[0041] 8) Use a gantry crane to lift the walkway units in sections and lower them into their marked positions;

[0042] 9) Connect the closure ends between the walkway units to complete the construction of the walkway structure on the ship's deck.

[0043] It should be noted that this construction process reduces construction difficulty and shortens the construction period, providing a model for the integrated assembly of the ship's machinery, electrical, outfitting, and piping systems. It greatly optimizes the coordination difficulty of various specialties and eliminates the safety hazards caused by cross-operations.

[0044] The safety protection components include a safety sliding support, a safety grip, and a safety restraint. The safety sliding support is mounted on the handrail 2 of the walkway unit, and both the safety grip and the safety restraint are mounted on the safety sliding support. The safety sliding support includes a locking slider and a support relay. The locking slider is mounted on a safety support seat 3 on the handrail 2, and the support relay is mounted on the locking slider.

[0045] Furthermore, the safety support seat 3 has a U-shaped cross-section, and the inner diameter of the groove of the safety support seat 3 is not less than the diameter of the handrail 2. The safety support seat 3 is fixedly fastened to the upper surface of the handrail 2, so that the safety support seat 3 is circumferentially and axially locked on the handrail 2, thereby providing support for the locking sliding member. Sliding grooves 20 are provided on the outer walls of both grooves of the safety support seat 3 for sliding connection with the locking sliding member. Multiple safety support seats 3 are provided, and multiple safety support seats 3 are correspondingly arranged on multiple step bridge units.

[0046] The locking slider includes a locking slider seat 4 and a circumferential locking slider. The locking slider seat 4 is U-shaped, and its inner diameter is not less than the outer diameter of the safety support seat 3. The locking slider seat 4 is slidably fitted onto the safety support seat 3 and is slidably connected to the safety support seat 3 through the circumferential locking slider thereon. Furthermore, locking through holes are provided on both groove walls of the locking slider seat 4, and the two locking through holes correspond one-to-one with the two sliding grooves 20.

[0047] The circumferential locking slider includes a circumferential locking slider 5, a locking transmission rod 6, a locking support 7, and a magnetic coil. The circumferential locking slider 5 is rectangular in shape, and its thickness is greater than the depth of the sliding groove 20. The circumferential locking slider 5 is slidably fitted into the locking through hole, so that one side of the circumferential locking slider 5 can be slidably fitted into the sliding groove 20, while the other side of the circumferential locking slider 5 is located in the locking through hole. One end of the locking transmission rod 6 is vertically fixed on the other side of the circumferential locking slider 5 to push the circumferential locking slider 5 to move. Furthermore, three locking transmission rods 6 are provided, and the three locking transmission rods 6 are evenly distributed along the longitudinal direction of the circumferential locking slider 5 to improve the uniformity and stability of the pushing and pulling forces. The locking support 7 is rectangular in shape, and its width is greater than the width of the locking through hole. A locking hole is provided on one side of the locking support 7, and the three locking holes are evenly distributed along the longitudinal direction of the locking support 7. One side of the locking support 7 is fixedly mounted on one side wall of the locking sliding seat 4, and the three locking holes are sequentially fitted onto the other ends of the three locking transmission rods 6. The magnetic coil is fixedly embedded in the spiral groove on the inner wall of the locking hole, with the three magnetic coils corresponding to the three locking holes. When a direct current is applied to the magnetic coil to generate a magnetic field, it will drive the locking transmission rod 6 to slide axially back and forth in the locking hole, thereby pushing the circumferential locking slider 5 into the sliding groove 20, so that the locking sliding seat 4 is circumferentially locked and axially slidable on the safety support 3. It can also pull the circumferential locking slider 5 out of the sliding groove 20 to release the connection between the safety guard and the handrail 2, making it easier for crew members to move from one stepbridge unit to another in rough seas, until they are transferred to a safe cabin, preventing crew members from falling while walking on the stepbridge in bad sea conditions and significantly improving crew safety.

[0048] Furthermore, two sets of circumferential locking sliders are provided, and the two sets of circumferential locking sliders are correspondingly arranged on the two groove walls of the locking sliding seat 4, and correspond one-to-one with the two locking through holes.

[0049] The supporting relay component includes a supporting relay base 8, the bottom surface of which is provided with a first arc groove. The supporting relay base 8 is fixedly mounted on the locking sliding seat 4 through the first arc groove. Furthermore, the supporting relay component also includes an energy storage battery and a signal transmitter. Both the energy storage battery and the signal transmitter are installed in the mounting cavity within the supporting relay base 8, and the energy storage battery is electrically connected to the magnetic coil and the signal transmitter, respectively. The signal transmitter can transmit the usage status signal and position signal of the safety protection component to the bridge, enabling the bridge to statistically track and monitor the status of personnel on the outdoor walkway in adverse sea conditions, further improving crew safety.

[0050] The safety grip component includes a grip adjustment component and a grip locking component. The grip adjustment component is disposed on the support relay seat 8, and the grip locking component is disposed on the grip adjustment component. The grip adjustment component includes a grip rotating seat 9, a grip support seat 10, and a grip 11. The grip rotating seat 9 is cylindrical and is rotatably fitted into a second arcuate groove on the top surface of the support relay seat 8. The rotating shafts 21 on both ends of the grip rotating seat 9 rotatably extend through the support seats at both ends of the second arcuate groove, allowing the grip rotating seat 9 to rotate circumferentially within the second arcuate groove, thereby adjusting the angle of the grip 11 and improving the comfort and safety of the crew holding the grip 11. One side of the grip support seat 10 is fixedly disposed on the side wall of the grip rotating seat 9, and one side of the grip 11 is fixedly disposed on the other side of the grip support seat 10.

[0051] The gripping and locking component includes a first end gear 12, a locking transmission tube 13, a tension spring 14, and a second end gear 15. The first end gear 12 is fixedly mounted on one end face of the support relay seat 8, and the axis of the first end gear 12 coincides with the axis of the rotating shaft 21. One end face of the locking transmission tube 13 is closed, and the other end of the locking transmission tube 13 is axially slidably fitted onto the free end of the rotating shaft 21. A sliding block on the inner wall of the locking transmission tube 13 is slidably embedded in a groove on the rotating shaft 21, allowing the locking transmission tube 13 to slide axially and lock circumferentially on the rotating shaft 21. The second end gear 15 is fixedly fitted onto the other end face of the locking transmission tube 13, and the second end gear 15 can mesh with the first end gear 12. One end of the tension spring 14 is fixedly connected to the inner side of one end of the locking transmission tube 13, and the other end of the tension spring 14 is connected to the free end face of the rotating shaft 21. By pulling the locking transmission tube 13, the second end gear 15 is driven to mesh with the first end gear 12, thereby locking the rotating shaft 21 circumferentially, and finally locking the grip rotating seat 9 circumferentially. When the operator needs to adjust the rotation angle of the handle 11, simply pull the locking transmission tube 13 outward to disengage the second end gear 15 from the first end gear 12, rotate the handle 11 to the appropriate angle, and then release the locking transmission tube 13 to re-engage the second end gear 15 with the first end gear 12.

[0052] The safety harness includes a safety belt 16, inserts 17, and buckles 18. One end of the safety belt 16 is connected to the supporting relay seat 8, and the other end of the safety belt 16 is provided with two tightening straps 19. The inserts 17 and the buckles 18 are fixedly connected to the free ends of the two tightening straps 19 one by one. When using the harness, the crew member wraps the two tightening straps 19 around their waist and locks them in place by connecting the inserts 17 and the buckles 18. This further improves safety when walking on the walkway.

[0053] Furthermore, two sets of safety protection devices are provided, each set installed on one side of the guardrail. When using the devices, the crew adjusts the length of the straps 19 of both sets, wrapping them around the crew member's waist. Then, the insert 17 of one set is inserted into the buckle 18 of the other set, and so on. This further improves safety when walking on the walkway in harsh environments.

[0054] Although the embodiments of this utility model have been disclosed above, they are not limited to the applications listed in the specification and embodiments. They can be applied to various fields suitable for this utility model. For those skilled in the art, other modifications can be easily made. Therefore, without departing from the general concept defined by the claims and their equivalents, this utility model is not limited to the specific details and the illustrations shown and described herein.

Claims

1. A large modular safety type walkway device, characterized by, The utility model relates to a ship gangway which integrates and installs the engine equipment, piping and electricity to realize large modular assembly; a safety protection device is arranged on the ship gangway, the safety protection device comprises a safety sliding support, a safety holding part and a safety binding part, the safety sliding support is slidingly arranged on the ship gangway, the safety holding part is arranged on the safety sliding support for personnel to hold, and the safety binding part is arranged on the safety sliding support for binding on the body of a user. The ship gangway comprises a gangway unit for the use of personnel walking.

2. The large modular safety bridge device of claim 1, wherein, The safety sliding support comprises a locking sliding part and a support relay part, the locking sliding part is arranged on a safety support seat of a handrail of the gangway unit, and the support relay part is arranged on the locking sliding part; the safety support seat is fixedly sleeved on the handrail, and sliding grooves are arranged on the two groove walls of the safety support seat.

3. The large modular safety bridge device of claim 2, wherein, The locking sliding part comprises a locking sliding seat and a circumferential locking sliding part, the locking sliding seat is slidingly sleeved on the safety support seat, and the circumferential locking sliding part is slidingly connected with the safety support seat on the locking sliding seat; locking through holes are arranged on the two groove walls of the locking sliding seat and correspond to the two sliding grooves one by one.

4. The large modular safe walkway device of claim 3, wherein, The circumferential locking sliding part comprises a circumferential locking sliding block, a locking transmission rod, a locking support seat and a magnetic coil, the circumferential locking sliding block is slidingly embedded in the locking through hole, one end of the locking transmission rod is arranged on the other side surface of the circumferential locking sliding block, the locking support seat is provided with a locking hole in one side surface, the one side surface of the locking support seat is arranged on one side wall of the locking sliding seat, and the locking hole corresponds to the other end of the locking transmission rod outside; and the magnetic coil is embedded in a spiral groove in the inner wall of the locking hole.

5. The large modular safe walkway device of claim 4, wherein, The support relay part comprises a support relay seat, a first circular arc groove is arranged on the bottom end surface of the support relay seat, and the support relay seat is fixedly sleeved on the locking sliding seat through the first circular arc groove.

6. The large modular safe walkway device of claim 5, wherein, The safety holding part comprises a holding adjusting part and a holding locking part, the holding adjusting part is arranged on the support relay seat, and the holding locking part is arranged on the holding adjusting part; the holding adjusting part comprises a holding rotating seat, a holding support seat and a handle, the holding rotating seat is rotatingly embedded in a second circular arc groove in the top end surface of the support relay seat, rotating shafts on the two end surfaces of the holding rotating seat rotatingly penetrate through the support seats at the two ends of the second circular arc groove, one side of the holding support seat is arranged on the side wall of the holding rotating seat, and one side of the handle is arranged on the other side of the holding support seat.

7. The large modular safe walkway device of claim 6, wherein, ​ 8. The large modular safe walkway device of claim 7, wherein, The holding lock comprises a first end gear disc, a locking transmission pipe, a tension spring and a second end gear disc, the first end gear disc is fixedly arranged on one end surface of the support relay seat, one end surface of the locking transmission pipe is closed, the other end of the locking transmission pipe is axially slidably sleeved on the free end of the rotating shaft, and the sliding block on the inner wall of the locking transmission pipe is slidably embedded in the sliding groove on the rotating shaft; the second end gear disc is sleeved on the other end surface of the locking transmission pipe, and the second end gear disc can be engaged with the first end gear disc; one end of the tension spring is connected to one end of the locking transmission pipe, and the other end of the tension spring is connected to the free end of the rotating shaft.

9. The large modular safe walkway device of claim 8, wherein, The safety binding member comprises a safety belt, an insert piece and a buckle, one end of the safety belt is connected to the support relay seat, the other end of the safety belt is provided with two tightening belts, and the insert piece and the buckle are connected to the free ends of the two tightening belts one by one.

10. The large modular safe walkway device of claim 9, wherein, The safety protection member is provided in multiple sets, and the multiple sets of safety protection members are arranged on the guardrails on both sides to cooperatively provide safety protection for the crew.