Crawling ladder structure of ship channel
By designing a convertible, tilting ship passageway ladder structure, the problem of vertical ladders being unsuitable for people with limited mobility is solved, providing a safe and labor-saving climbing solution that can be stored away to save space when not in use.
Patent Information
- Application Number
- CN202520424561.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-03-12
AI Technical Summary
The existing vertically installed ladders in the ship passageway are not conducive to the safe climbing of people with limited mobility, and the climbing process is strenuous.
A ship passageway ladder structure was designed, which uses an elastic structure and a pivot connection to achieve the tilting state conversion of the ladder. Combined with an expandable protective frame, it provides a safe and labor-saving climbing method.
It enables people with limited mobility to climb safely and effortlessly, improving the safety and convenience of the escape process, while also saving space by being stored away when not in use.
Smart Images

Figure CN223721108U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to ship passageway ladder stand technical field, concretely is a kind of ship passageway ladder stand structure. BACKGROUND
[0002] Ship passageway is the emergency safety passageway used in the process of ship navigation, and is the key path for escape and maintenance, and a ladder stand is installed in the ship passageway to facilitate personnel to climb up and down in the ship passageway.
[0003] At present, the ladder stand in the ship passageway is vertically installed to reduce the occupied space, but the vertical installation is not conducive to the safe climbing of the person with poor mobility when escaping, and the climbing process is relatively laborious, so the ship passageway ladder stand structure is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a ship passageway ladder stand structure to solve the problem that the vertical installation in the current market is not conducive to the safe climbing of the person with poor mobility when escaping, and the climbing process is relatively laborious.
[0005] To achieve the above object, the utility model provides the following technical scheme: a ship passageway ladder stand structure, comprising an upper support leg, a first rotating shaft is rotatably connected to the end of the upper support leg, a main ladder stand vertical rod is installed at the end of the first rotating shaft, and a main ladder stand horizontal rod is connected between the main ladder stand vertical rods.
[0006] A spring is connected inside the main ladder stand vertical rod, a secondary ladder stand vertical rod is connected to the lower end of the spring, and a secondary ladder stand horizontal rod is connected between the secondary ladder stand vertical rods.
[0007] A second rotating shaft is rotatably connected to the lower end of the secondary ladder stand vertical rod, a first adjusting rod is installed at the end of the second rotating shaft, a third rotating shaft is rotatably connected to the end of the first adjusting rod away from the second rotating shaft, a second adjusting rod is installed on the outside of the third rotating shaft, a fourth rotating shaft is installed at the end of the second adjusting rod away from the third rotating shaft, one end of the fourth rotating shaft is rotatably connected to a lower support leg, and a positioning groove is formed in the front end of the lower support leg.
[0008] Preferably, a limiting seat is installed on the side surface of the main ladder stand vertical rod, and a protective frame is slidably arranged inside the limiting seat.
[0009] Preferably, the secondary ladder stand vertical rod and the secondary ladder stand horizontal rod are located inside the main ladder stand vertical rod and the main ladder stand horizontal rod, and the secondary ladder stand vertical rod and the main ladder stand vertical rod constitute an elastic structure through the spring.
[0010] Preferably, the first adjusting rod and the second adjusting rod are inclinedly distributed, and the first adjusting rod is hollow.
[0011] Preferably, the protective frame is connected with the main ladder upright through a sliding structure of the limiting seat, and a gap exists between the protective frame and the auxiliary ladder upright.
[0012] Preferably, the positioning groove is clamped with the auxiliary ladder upright in the storage state, and the highest point of the positioning groove is lower than the lowest point of the main ladder upright.
[0013] Compared with the prior art, the utility model has the advantages of:
[0014] (1) the ship passage ladder structure, through the upward push auxiliary ladder cross rod, the auxiliary ladder upright is removed from the positioning groove, and the positioning of the ladder in the vertical state is released, and the main ladder upright is driven to rotate, so that it is in an inclined state, and the push on the auxiliary ladder cross rod is released, the spring is used, the auxiliary ladder cross rod and the auxiliary ladder upright are removed, the length of the ladder is extended, the length of the ladder is sufficient, and the person who is not flexible is convenient for climbing, safe and labor-saving.
[0015] (2) the ship passage ladder structure, the protective frame can be driven to move, the protective frame is unfolded, the protective frame is used for surrounding and protecting the climbing personnel when the ladder is in the vertical state, the safety of the climbing process is improved, and the protective frame can be stored and not used, and the operation is flexible. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the whole structure schematic view of the utility model;
[0017] Figure 2 It is the rear view structure schematic view of the utility model;
[0018] Figure 3 It is the main ladder upright structure schematic view of the utility model;
[0019] Figure 4 It is the side view structure schematic view of the utility model;
[0020] Figure 5 It is the main ladder upright section view structure schematic view of the utility model.
[0021] In the drawing: 1, upper support foot; 2, first rotating shaft; 3, main ladder upright; 4, main ladder cross rod; 5, spring; 6, auxiliary ladder upright; 7, auxiliary ladder cross rod; 8, second rotating shaft; 9, first adjusting rod; 10, third rotating shaft; 11, second adjusting rod; 12, fourth rotating shaft; 13, lower support foot; 14, positioning groove; 15, limiting seat; 16, protective frame. DETAILED DESCRIPTION
[0022] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.
[0023] Please refer to Figures 1-5 The utility model provides the following technical scheme: a ship passageway ladder stand structure, including upper support foot 1, the end of upper support foot 1 is rotatably connected with first rotation axis 2, and the end of first rotation axis 2 is installed with main ladder stand vertical pole 3, and main ladder stand vertical pole 3 is connected with main ladder stand crosspiece 4 between them;
[0024] Further, the vice ladder stand vertical pole 6 and the vice ladder stand crosspiece 7 are located on the inner side of the main ladder stand vertical pole 3 and the main ladder stand crosspiece 4, the vice ladder stand vertical pole 6 and the vice ladder stand crosspiece 7 can be folded and unfolded, the ladder stand can be extended in length when it is in an inclined state, and the climbing length is sufficient;
[0025] The lower end of the vice ladder stand vertical pole 6 is rotatably connected with the second rotation axis 8, the end of the second rotation axis 8 is installed with the first adjusting rod 9, one end of the first adjusting rod 9 away from the second rotation axis 8 is rotatably connected with the third rotation axis 10, the outer side of the third rotation axis 10 is installed with the second adjusting rod 11, one end of the second adjusting rod 11 away from the third rotation axis 10 is installed with the fourth rotation axis 12, one end of the fourth rotation axis 12 is rotatably connected on the lower support foot 13, and the front end of the lower support foot 13 is provided with the positioning slot 14;
[0026] Further, the first adjusting rod 9 and the second adjusting rod 11 are distributed in an inclined manner, the inside of the first adjusting rod 9 is hollow, the rotation between the first adjusting rod 9 and the second adjusting rod 11 can be realized, and the mutual blocking phenomenon of the two can be avoided;
[0027] Further, the positioning slot 14 is clamped with the vice ladder stand vertical pole 6 in the storage state, the highest point of the positioning slot 14 is lower than the lowest point of the main ladder stand vertical pole 3, the vice ladder stand vertical pole 6 in the storage state can be limited by the positioning slot 14, and the ladder stand in the vertical state can be stably used;
[0028] Further, the side surface of the main ladder stand vertical pole 3 is installed with the limiting seat 15, and the inside of the limiting seat 15 is slidably provided with the protection frame 16;
[0029] Further, the protection frame 16 is in sliding structure with the main ladder vertical rod 3 through the limiting seat 15, and there is a gap between the protection frame 16 and the auxiliary ladder vertical rod 6, the position of the protection frame 16 can be adjusted to be stored to avoid occupying space, and the protection frame 16 can be unfolded to provide safety protection;
[0030] Specifically, when the ship passage ladder structure is used, the upper support foot 1 and the lower support foot 13 are installed to the ship passage wall, the ladder structure is in vertical state, and the crew can use the ladder structure for climbing normally, in order to ensure the safety of climbing, the protection frame 16 can be pulled forward to slide on the limiting seat 15, the protection frame 16 is unfolded, and the climbing personnel is surrounded and protected by the protection frame 16;
[0031] When escaping, the auxiliary ladder horizontal rod 7 can be pushed upward, the auxiliary ladder vertical rod 6 installed at the end is driven to move upward, the auxiliary ladder vertical rod 6 extrudes the spring 5 to store power, the auxiliary ladder vertical rod 6 moves out of the positioning groove 14, the main ladder vertical rod 3 is driven to rotate on the upper support foot 1 through the first rotating shaft 2, the main ladder vertical rod 3 rotates counterclockwise, the main ladder vertical rod 3 is in inclined state, the pushing of the auxiliary ladder horizontal rod 7 is released, the spring 5 in the power storage state can control the auxiliary ladder vertical rod 6 to move downward, thereby controlling the auxiliary ladder horizontal rod 7 to move downward, the auxiliary ladder vertical rod 6 and the auxiliary ladder horizontal rod 7 are extended, one end of the first adjusting rod 9 rotates on the auxiliary ladder vertical rod 6 through the second rotating shaft 8, the other end of the first adjusting rod 9 rotates on the second adjusting rod 11 through the third rotating shaft 10, one end of the second adjusting rod 11 rotates on the lower support foot 13 through the fourth rotating shaft 12, the first adjusting rod 9 and the second adjusting rod 11 are rotated and unfolded, the unfolded ladder is limited, the ladder is in inclined state, and it is convenient for the old or the child to climb, in the later period, the auxiliary ladder horizontal rod 7 is only needed to be pushed upward to drive the auxiliary ladder vertical rod 6 to move upward, the auxiliary ladder vertical rod 6 extrudes the spring 5 to store power, the auxiliary ladder vertical rod 6 is gradually stored in the main ladder vertical rod 3, the first adjusting rod 9 and the second adjusting rod 11 are synchronously rotated, the angle and the position of the ladder are flexibly adjusted, the main ladder vertical rod 3 is driven to rotate clockwise, the main ladder vertical rod 3 is rotated to the vertical position, the pushing of the auxiliary ladder horizontal rod 7 is released, due to the elastic force of the spring 5, the auxiliary ladder vertical rod 6 is clamped into the positioning groove 14, the ladder is in stable vertical state, and the ladder avoids occupying space, and the contents not described in detail in the specification belong to the prior art known by the person skilled in the art.
[0032] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A ship's passageway ladder construction comprising an upper stanchion (1), characterised in that: The end of the upper support leg (1) is rotatably connected with a first rotating shaft (2), and the end of the first rotating shaft (2) is provided with a main ladder vertical rod (3); the main ladder vertical rods (3) are connected with a main ladder horizontal rod (4). The inside of the main ladder vertical rod (3) is connected with a spring (5), the lower end of the spring (5) is connected with a secondary ladder vertical rod (6), and the secondary ladder vertical rods (6) are connected with a secondary ladder horizontal rod (7). The lower end of the secondary ladder vertical rod (6) is rotatably connected with a second rotating shaft (8), the end of the second rotating shaft (8) is provided with a first adjusting rod (9), the end of the first adjusting rod (9) away from the second rotating shaft (8) is rotatably connected with a third rotating shaft (10), the outer side of the third rotating shaft (10) is provided with a second adjusting rod (11), the end of the second adjusting rod (11) away from the third rotating shaft (10) is provided with a fourth rotating shaft (12), and one end of the fourth rotating shaft (12) is rotatably connected with a lower support leg (13), and the front end of the lower support leg (13) is provided with a positioning groove (14).
2. A ship's passageway ladder structure according to claim 1, characterised in that: The side of the main ladder vertical rod (3) is provided with a limiting seat (15), and the inside of the limiting seat (15) is slidably provided with a protective frame (16).
3. A shipboard access ladder structure as defined in claim 1 wherein: The secondary ladder vertical rod (6) and the main ladder vertical rod (3) constitute an elastic structure through the spring (5), and the secondary ladder vertical rod (6) and the secondary ladder horizontal rod (7) are located on the inside of the main ladder vertical rod (3) and the main ladder horizontal rod (4).
4. A shipboard access ladder structure according to claim 1, wherein: The first adjusting rod (9) and the second adjusting rod (11) are inclinedly distributed, and the inside of the first adjusting rod (9) is hollow.
5. A shipboard access ladder structure as defined in claim 2 wherein: The protective frame (16) and the main ladder vertical rod (3) constitute a sliding structure through the limiting seat (15), and there is a gap between the protective frame (16) and the secondary ladder vertical rod (6).
6. A shipboard access ladder structure as defined in claim 1 wherein: The positioning groove (14) and the secondary ladder vertical rod (6) in the storage state are mutually clamped, and the highest point of the positioning groove (14) is lower than the lowest point of the main ladder vertical rod (3).