Anti-falling structure of boarding ladder
By designing a landing ladder anti-fall structure with compression components, the problems of high manufacturing cost and maintenance difficulties caused by the complex structure of the existing landing ladder are solved, and the stable clamping and falling risks of the landing ladder are reduced.
Patent Information
- Application Number
- CN202420715850.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-09
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-04-09
AI Technical Summary
The existing boarding ladder structure is too complex, resulting in high manufacturing costs and difficult maintenance, which affects the ship's ability to respond in emergencies.
A anti-fall structure for the boarding ladder is designed, and the compression components include a vertical seat, a stud, a stud and a cone seat. The stud drives the cushion to perform linear movement. The cone seat and the outer wall of the interface support each other, enhancing the biting and fixing performance, ensuring stable clamping and preventing falling.
The stable clamping of the boarding ladder is achieved, which reduces the risk of falling, simplifies structural design, reduces manufacturing costs and maintenance difficulties, and improves the ship's ability to respond in emergencies.
Smart Images

Figure CN222611348U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of boarding ladders, in particular to an anti-falling structure of a boarding ladder. Background Art
[0002] A boarding ladder is a device used to connect between a ship and a dock, usually for passengers and crew to board or leave the ship. It usually consists of a series of steps that can be fixed to the side of the ship or the dock to ensure safe boarding and exiting. Boarding ladders play an important role in ships and the shipping industry, allowing people to enter and exit the ship easily and quickly.
[0003] The existing patent application number is 202321047193.7, and the publication number is CN219838681U. A Chinese patent discloses a fall prevention device for a boarding ladder, comprising a boarding ladder body, an external fixed connection limit ring of the boarding ladder body, an external movable connection limit block of the boarding ladder body, and an anti-fall structure is arranged on the outside of the boarding ladder body; the anti-fall structure comprises a main board, a first limit hole, a connecting column, a sliding column, a movable column, a threaded column, a baffle, a second limit hole, a limit spring and a hook.
[0004] Combined with the above scheme, during the use of the boarding ladder, as an important part of the ship, its performance and user experience are directly related to the safety and comfort of the ship. However, there are some problems that cannot be ignored in the actual use of the current boarding ladder. First, the structure of the current boarding ladder is too complicated. This problem is reflected in many aspects: first, there are many parts in the design process, which leads to increased manufacturing costs; second, a lot of manpower and material resources are required during the assembly and maintenance process; this complexity not only increases the burden of production and maintenance, but may also affect the ship's ability to respond in emergencies.
[0005] Therefore, based on the above technical problems, it is necessary for technicians in this field to develop an anti-fall structure for a boarding ladder. Utility Model Content
[0006] The utility model aims to provide a falling prevention structure for a boarding ladder to solve the problems raised in the above-mentioned background technology.
[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0008] A technical solution for the anti-fall structure of a boarding ladder, comprising a base plate, a walking board is arranged on the base plate, guardrails are arranged on both sides of the walking board, a bayonet is arranged on the bottom surface of the base plate, a clamping assembly is arranged on the base plate adjacent to the bayonet, the clamping assembly comprises a stand, a stud is arranged on the stand, a pressure block is arranged on the end face of the stud, and a plurality of conical seats are arranged on the outer wall of the pressure block.
[0009] As a preferred technical solution, a spring is provided on the stud sleeve between the pressing block and the stand, and two ends of the spring are respectively against the pressing block and the stand.
[0010] As a preferred technical solution, grooves are provided on both sides of the bottom plate, positioning components are provided in the grooves, the positioning components include a slide seat provided in the grooves, a positioning spring is provided between the slide seat and the groove wall, and a support seat is provided on the outer wall of the slide seat.
[0011] As a preferred technical solution, a reinforcement column is arranged between the two support seats.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] The utility model discloses a falling prevention structure for a boarding ladder. A clamping assembly is provided. The designed bayonet at the bottom of the bottom plate is respectively embedded in the hull or positioned along the edge. The stud is rotated so that the stud drives the pressure block to perform linear movement. The conical seat and the outer wall of the interface support each other, thereby enhancing the bite fixing performance and ensuring stable clamping, thereby achieving the effect of preventing falling. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall structure of a fall prevention structure of a boarding ladder;
[0015] Figure 2 It is a schematic diagram of the bottom plate structure of a fall prevention structure of a boarding ladder;
[0016] Figure 3 The figure is a schematic diagram of the structure of a clamping assembly of a fall prevention structure of a boarding ladder.
[0017] In the accompanying drawings: 11, base plate; 111, groove; 112, bayonet; 12, walking board; 13, guardrail; 21, spring; 22, sliding seat; 23, supporting seat; 24, reinforcing column; 31, standing seat; 32, stud; 33, pressure block; 34, positioning spring; 35, cone seat. DETAILED DESCRIPTION
[0018] The features and exemplary embodiments of various aspects of the present invention will be described in detail below. In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. For those skilled in the art, the present invention can be implemented without the need for some of these specific details. The following description of the embodiments is only intended to provide a better understanding of the present invention by illustrating examples of the present invention.
[0019] like Figure 1 , Figure 2 , Figure 3As shown, the utility model provides a technical solution for the anti-fall structure of the boarding ladder: comprising a bottom plate 11, the bottom plate 11 plays the role of basic support in the whole device. A walking board 12 is arranged on the bottom plate, and the user can stand on the walking board to operate. In order to ensure the safety of the user, guardrails 13 are arranged on both sides of the walking board 12 to prevent the user from accidentally falling during operation.
[0020] A bayonet 112 is provided on the bottom surface of the base plate 11, which can make the device more stable when it needs to be fixed. A clamping assembly is provided on the base plate 11 adjacent to the bayonet 112. The clamping assembly mainly includes a stand 31, and a stud 32 is provided on the stand 31. A pressing block 33 is provided on the end surface of the stud 32, and the pressing block 33 can be rotatably connected to the stud 32.
[0021] A spring 34 is provided on the outer sleeve of the stud 32 between the pressing block 33 and the stand 31. The two ends of the spring 34 respectively abut against the pressing block 33 and the stand 31, so that the pressing assembly has better flexibility during operation. In addition, a plurality of cone seats 35 are provided on the outer wall of the pressing block 33, which helps to improve the clamping bite effect and improve the assembly firmness.
[0022] Grooves 111 are provided on both sides of the bottom plate 11, and positioning components are provided in the grooves 111. The positioning components mainly include a slide seat 22, and a positioning spring 21 is provided between the slide seat 22 and the groove wall. A support seat 23 is provided on the outer wall of the slide seat 22, and a reinforcement column 24 is provided between the two support seats 23. This design enables the device to achieve precise positioning during operation and improves work efficiency.
[0023] This machine achieves efficient, safe and stable operation performance through the ingenious design of various components. It is not only suitable for various work scenes, but can also be widely used in construction, manufacturing and other fields.
[0024] According to the above scheme, in this embodiment, the designed snap-in 112 at the bottom of the bottom plate 11 is respectively embedded in the hull or positioned along the edge, and the stud 32 is rotated so that the stud 32 drives the pressure block 33 to move linearly, and the conical seat 35 and the outer wall of the interface support each other to enhance the bite and fixation performance, ensure firm clamping, and thereby achieve the effect of preventing falling.
[0025] During assembly, the support seat 23 abuts against the hull and the outer wall of the edge, and the extrusion spring 21 drives the support seat 23 to always abut against the hull and the outer wall of the edge, so as to achieve stable positioning and convenient use.
[0026] The working principle and use process of the utility model: After the various components of the solution are assembled in sequence, all the working steps can be completed according to the above implementation methods in sequence according to actual needs.
[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
[0028] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0029] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.
[0030] According to the embodiments of the present invention as described above, these embodiments do not describe all the details in detail, nor do they limit the present invention to specific embodiments. Obviously, many modifications and changes can be made based on the above description. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that technicians in the relevant technical field can make good use of the present invention and the modified use based on the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A falling prevention structure for a boarding ladder, characterized in that: The invention comprises a base plate (11), a walking board (12) is arranged on the base plate (11), guardrails (13) are arranged on both sides of the walking board (12), a bayonet (112) is arranged on the bottom surface of the base plate (11), a clamping assembly is arranged on the base plate (11) adjacent to the bayonet (112), the clamping assembly comprises a stand (31), a stud (32) is passed through the stand (31), a clamping block (33) is arranged on the end surface of the stud (32), and a plurality of cone seats (35) are arranged on the outer wall of the clamping block (33).
2. The anti-falling structure of a boarding ladder according to claim 1, characterized in that: A spring (34) is provided on the outer sleeve of the stud (32) between the pressing block (33) and the stand (31), and two ends of the spring (34) are respectively against the pressing block (33) and the stand (31).
3. The anti-fall structure of a boarding ladder according to claim 2, characterized in that: Grooves (111) are provided on both sides of the bottom plate (11), a positioning assembly is provided in the groove (111), the positioning assembly comprises a slide seat (22) provided in the groove (111), a positioning spring (21) is provided between the slide seat (22) and the groove wall, and a support seat (23) is provided on the outer wall of the slide seat (22).
4. The anti-falling structure of a boarding ladder according to claim 3, characterized in that: A reinforcement column (24) is arranged between the two support seats (23).
Citation Information
Patent Citations
Anti-falling device of boarding ladder
CN219838681U