Stairway structure

By installing protective structures on the ladder, including movable rods and limiting sleeves, the problem of low safety when climbing ship ladders is solved, and the safety of crew members climbing to the top and the convenience of anchor observation operations are achieved.

CN223905256UActive Publication Date: 2026-02-13SANDIANSHUI NEW ENERGY TECH (ANHUI) CO LTD
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Patent Information

Application Number
CN202520720346.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-16
Publication Date
2026-02-13
Estimated Expiration
2035-04-16

AI Technical Summary

Technical Problem

The ladders on ships are narrow and have low safety, and crew members are at risk of falling while climbing, especially during anchor observation, where the lack of support leads to frequent safety accidents.

Method used

A ladder structure including a ladder body and a protective structure was designed. The protective structure consists of a movable rod, a limiting sleeve, and a support seat. The movable rod can be tilted and flipped and is supported by the limiting sleeve and the support seat, providing additional support and safety.

Benefits of technology

It improves the safety of crew members climbing to the top, prevents accidents such as slipping or falling, facilitates anchor observation operations, and enhances the safety and reliability of the ladder.

✦ Generated by Eureka AI based on patent content.

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Abstract

The stairway structure comprises the stairway body and the protection structure arranged on the stairway body, the protection structure can protect sailors, the sailors can climb to the top end of the stairway body conveniently, the protection structure can be supported by the sailors in the anchor observation operation process of the sailors, missed step or falling accidents are effectively avoided, and the safety of the sailors is improved. According to the stairway structure, sailors can climb to the top end conveniently, the sailors can observe anchors conveniently, and safety is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of ladder, specifically, the utility model relates to a ladder structure. BACKGROUND

[0002] The marine passageway on the ship is usually very narrow, and there is a safety hazard of falling during the process of the crew climbing up and down, especially during the anchor observation process, in order to expand the anchor observation field of view, the crew is prone to lose support or support when climbing to the top of the passageway for anchor observation, and a passageway falling safety accident occurs, and the safety is very low.

[0003] In order to solve the above problems, the patent document with the application number 2020227542137 discloses a ship spiral ladder protection frame, which comprises a bottom protection frame, a vertical connecting pipe and a plurality of inclined protection frames; the vertical connecting pipe is fixed to the bottom protection frame and the inclined protection frame at the same time; the inclined protection frame is located above the bottom protection frame; the bottom protection frame comprises two first pipe bodies; the first pipe bodies are distributed transversely; the first pipe body comprises a first straight pipe, a second straight pipe and a third straight pipe connected in sequence; the included angle of the first straight pipe and the second straight pipe and the included angle of the second straight pipe and the third straight pipe are obtuse angles; the inclined protection frame comprises two second pipe bodies, and the second pipe body comprises a fifth straight pipe, a sixth straight pipe and a seventh straight pipe connected in sequence; the included angle of the fifth straight pipe and the sixth straight pipe and the included angle of the sixth straight pipe and the seventh straight pipe are obtuse angles, but the above problems cannot be solved.

[0004] Therefore, in order to improve or solve at least one of the above problems, a ladder structure capable of conveniently climbing to the top of the crew, capable of conveniently performing anchor observation operation of the crew, and capable of improving safety is provided. INVENTION CONTENTS

[0005] The utility model is carried out in order to solve the above problems, and aims at providing a ladder structure capable of conveniently climbing to the top of the crew, capable of conveniently performing anchor observation operation of the crew, and capable of improving safety, in order to realize the above purpose, the technical scheme adopted by the utility model is:

[0006] The utility model provides a ladder structure with the following characteristics, comprising a ladder body and a protection structure arranged on the ladder body.

[0007] In the ladder structure provided by the utility model, the protection structure can further have the following characteristics, the protection structure comprises a movable rod and a limiting sleeve, the limiting sleeve is arranged on the ladder body, and one end of the movable rod is movably connected with the limiting sleeve.

[0008] In the ladder structure provided by the utility model, the limiting sleeve can further have the following characteristics, the limiting sleeve is provided with a dumping opening, and the movable rod is inclined along the dumping opening.

[0009] In the ladder structure, the limiting sleeve is provided with a limiting groove, and the end of the movable rod is provided with a limiting protrusion, and the limiting protrusion is movably arranged in the limiting groove.

[0010] In the ladder structure, the limiting sleeve is provided with a limiting groove, and the end of the movable rod is provided with a limiting protrusion, and the limiting protrusion is movably arranged in the limiting groove.

[0011] In the ladder structure, the limiting sleeve is provided with a limiting groove, and the end of the movable rod is provided with a limiting protrusion, and the limiting protrusion is movably arranged in the limiting groove.

[0012] The technical effect of the ladder structure is that the ladder structure comprises a ladder body and a protection structure arranged on the ladder body, the protection structure can protect the crew, and the crew can conveniently climb to the top end of the ladder body, the protection structure can support the crew during the anchor observation operation, the accident of stepping off or falling is effectively avoided, and the safety is improved.

[0013] Therefore, the ladder structure can conveniently enable the crew to climb to the top end, can conveniently enable the crew to perform anchor observation operation, and improves the safety. BRIEF DESCRIPTION OF DRAWINGS

[0014] The present specification includes the following drawings, and the shown contents are respectively:

[0015] Figure 1 is a structural schematic view of the ladder structure in the embodiment of the utility model.

[0016] Figure 2 is a structural schematic view of the movable rod and the limiting sleeve in the embodiment of the utility model.

[0017] Figure 3 is a sectional view of the limiting sleeve in the embodiment of the utility model.

[0018] In the drawing, the marks are: ladder body 10, handrail 11, protection structure 20, movable rod 21, limiting protrusion 211, limiting sleeve 22, pouring opening 221, limiting groove 222, supporting seat 23. DETAILED DESCRIPTION

[0019] The specific embodiments of the present application are further described in detail below by comparing the drawings and the description of the embodiments, the purpose being to help the skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical scheme of the present application, and to help the implementation.

[0020] Figure 1 is a structural schematic view of the ladder structure in the embodiment of the utility model.

[0021] As Figure 1 shown, the ladder structure provided by the utility model includes a ladder body 10 and a protection structure 20 arranged on the ladder body 10, the protection structure 20 can protect the crew, facilitate the crew to climb to the top end of the ladder body 10, and in the process of the crew performing the anchor observation operation, the protection structure 20 can be used for the crew to hold, effectively avoid the occurrence of the stepping empty or falling accidents, and improve the safety, so that the ladder structure provided by the utility model can facilitate the crew to climb to the top end, can facilitate the crew to perform the anchor observation operation, and improve the safety.

[0022] Figure 2 is a structural schematic view of the movable rod and the limiting sleeve in the embodiment of the utility model; Figure 3 is a sectional view of the limiting sleeve in the embodiment of the utility model.

[0023] As Figure 2 and Figure 3 shown, the protection structure 20 includes a movable rod 21 and a limiting sleeve 22, the movable rod 21 is in the cuboid rod shape, the limiting sleeve 22 is in the square sleeve shape matched with the movable rod 21, the limiting sleeve 22 is arranged on the inner wall of the ladder body 10, one end of the movable rod 21 is movably connected with the limiting sleeve 22, when the movable rod 21 is arranged along the vertical direction, the end part of the movable rod 21 is clamped in the limiting sleeve 22, the limiting sleeve 22 can limit the end part of the movable rod 21, keep the movable rod 21 standing along the vertical direction, and can be used for the crew to hold, in the process of the crew performing the anchor observation operation, the movable rod 21 is used for the crew to hold, effectively avoid the occurrence of the stepping empty or falling accidents, and improve the safety.

[0024] As Figure 3 shown, the limiting sleeve 22 is provided with a dumping opening 221, the dumping opening 221 is located on the side of the limiting sleeve 22 away from the ladder body 10, when the movable rod 21 is clamped in the limiting sleeve 22 along the vertical direction, after the one end of the movable rod 21 is lifted upward, the movable rod 21 can be dumped along the dumping opening 221, so that the movable rod 21 is reversibly arranged on the limiting sleeve 22, can be stored when not working, reduce the space occupied by the structure, and improve the reliability of the structure.

[0025] As Figure 3As shown, the limiting sleeve 22 is provided with a limiting groove 222, and the end of the movable rod 21 is provided with a limiting protrusion 211; the limiting groove 222 is a long strip-shaped waist-shaped groove arranged on the limiting sleeve 22 in the vertical direction, and the limiting protrusion 211 is movably arranged in the limiting groove 222, so that the movable rod 21 can be prevented from slipping out of the limiting sleeve 22, and the reliability and safety of the structure are improved. When the movable rod 21 is arranged in the vertical direction, the end of the movable rod 21 is clamped in the limiting sleeve 22, the movable rod 21 is kept standing in the vertical direction, and the limiting protrusion 211 is located at the bottom of the limiting groove 222; when it is needed to overturn the movable rod 21, the movable rod 21 is lifted upward, the limiting protrusion 211 is located at the top end of the limiting groove 222, and the movable rod 21 can be tilted along the tilting opening 221.

[0026] The protection structure 20 further comprises a supporting seat 23 arranged on the ladder body 10, and the end of the movable rod 21 away from the limiting sleeve 22 abuts against the supporting seat 23; when the movable rod 21 is tilted, the two ends of the movable rod 21 are supported by the limiting sleeve 22 and the supporting seat 23 respectively and are accommodated in the ladder body 10, so that the crew can conveniently grasp the movable rod 21 when climbing to the top end of the ladder body 10, the crew can conveniently climb, and the reliability of the structure is improved.

[0027] The ladder body 10 is provided with a handrail 11, which can assist the crew in climbing in the ladder body 10 and improve the safety.

[0028] Effects of the embodiment

[0029] The ladder structure provided by the utility model comprises a ladder body and a protection structure arranged on the ladder body, the protection structure can protect the crew, and the crew can conveniently climb to the top end of the ladder body; in the process of anchor observation operation of the crew, the protection structure can support the crew, so that the crew can be effectively prevented from falling or falling off, and the safety is improved.

[0030] Therefore, the ladder structure provided by the utility model can conveniently enable the crew to climb to the top end and can conveniently enable the crew to perform anchor observation operation, and the safety is improved.

[0031] The utility model is described exemplarily above with reference to the drawings. Apparently, the specific implementation of the utility model is not limited by the above manner. As long as various non-essential improvements are adopted by using the method concept and technical scheme of the utility model, or the above-mentioned concept and technical scheme of the utility model are directly applied to other occasions without improvement, all of them are within the protection scope of the utility model.

Claims

1. A ladder structure, characterized in that The application relates to a ladder body (10) and a protection structure (20) arranged on the ladder body (10), wherein the protection structure (20) comprises a movable rod (21) and a limiting sleeve (22), the limiting sleeve (22) is arranged on the ladder body (10), one end of the movable rod (21) is movably connected with the limiting sleeve (22), the protection structure (20) further comprises a bearing seat (23), the bearing seat (23) is arranged on the ladder body (10), and the end of the movable rod (21) away from the limiting sleeve (22) is in abutment with the bearing seat (23).

2. The stairway structure according to claim 1, characterized in that A tilting opening (221) is arranged on the limiting sleeve (22), and the movable rod (21) is inclined along the tilting opening (221).

3. The stairway structure of claim 2, wherein, A limiting groove (222) is arranged on the limiting sleeve (22), and a limiting protrusion (211) is arranged on the end of the movable rod (21), the limiting protrusion (211) is movably arranged in the limiting groove (222).

4. The stairway structure of claim 1, wherein, An armrest (11) is arranged on the ladder body (10).