Boarding ladder with safety early warning function
By designing a foldable storage extension ladder structure and safety warning function, the existing boarding ladders occupy a large area and are prone to collision are solved, and the convenient movement and safe use of boarding ladders are achieved.
Patent Information
- Application Number
- CN202422475060.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-14
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-10-14
AI Technical Summary
The existing boarding ladders have a large area of land and are prone to collision with surrounding objects during movement. The existing folding structure occupies a height space, affecting the convenience of use.
A foldable storage structure with boat ladder extension ladder one and extension ladder two is designed. Combined with the setting of shrink rope and railing, the ladder is contracted and unfolded by a servo motor, and is equipped with railings, handrails, suction cups, universal wheels and other safety warning functions.
It realizes that the boarding ladder does not affect surrounding objects during movement, ensures safe passage, and provides safety guidance in bad weather, improving the practicality and safety of the boarding ladder.
Smart Images

Figure CN223203003U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of boarding ladder devices, in particular to a boarding ladder with a safety early warning function. Background Art
[0002] A boarding ladder is a device used by modern large-scale oil tanker terminals to allow workers and passengers to board and disembark safely and smoothly during docking operations. Currently, boarding ladders have the advantages of being too large and too long, and being movable. Although existing boarding ladders are convenient for boarding personnel, they occupy a large area due to being too large and too long, and may collide with surrounding objects during movement and transportation, resulting in other adverse situations. Some boarding ladders have extension ladders that can be raised and folded, but they are too long and require a large height space. Therefore, in order to further improve the practicality of the boarding ladder, we propose a boarding ladder with a safety warning function to solve the above problems. Utility Model Content
[0003] The purpose of the present invention is to solve at least one of the technical problems existing in the prior art and to provide a boarding ladder with a safety warning function. The ship ladder main body is provided with two extension ladders, namely, the ship ladder extension ladder 1 and the ship ladder extension ladder 2, which are connected with the ship ladder extension ladder 2 in combination with a retractable rope, and the surfaces of the two extension ladders are provided with foldable and retractable railings, which not only do not affect the folding and storage, but also do not affect the safety of boarding personnel, so that the ship ladder extension ladder 1 and the ship ladder extension ladder 2 are folded and stored into an inverted V shape, ensuring that the ship ladder main body will not be affected or bumped into surrounding objects due to the excessive length of the extension ladder when being moved.
[0004] The present invention also provides a boarding ladder with the above-mentioned safety warning function, comprising: a ship ladder main body, both side surfaces of the ship ladder main body are connected to a fixed plate, the rear surface of the fixed plate is rotatably connected to a ship ladder extension ladder 1 through a rotating shaft, one end of the ship ladder extension ladder 1 is rotatably connected to a ship ladder extension ladder 2, the upper surfaces of the ship ladder extension ladder 1 and the ship ladder extension ladder 2 are rotatably connected to a railing 1 and a railing 2, the positions of the railing 1 and the railing 2 are staggered, when the railing 1 is folded and laid flat on the upper surface of the ship ladder extension ladder 1, the railing 2 is located on the upper surface of the railing 1, and both side surfaces of the ship ladder extension ladder 2 are fixedly connected to a pull ring, the inside of the pull ring is fixedly connected to a retraction rope, and the end of the retraction rope away from the ship ladder extension ladder 2 is fixedly connected to a reel.
[0005] According to the present invention, a boarding ladder with a safety warning function is provided with a storage compartment inside the ladder body. A servo motor is fixedly connected to the inner top wall of the storage compartment. The output end of the servo motor is fixedly connected to the winding drum via a rotating rod, which is used to facilitate the retraction and expansion of the retraction rope.
[0006] According to the boarding ladder with a safety warning function described in the utility model, the upper surface of the ladder body is provided with a plurality of steps, and the upper surface of the fixing plate is fixedly connected to a handrail, so as to achieve the effect of being flush with the hull, making it easier for people to board the ship.
[0007] According to the present invention, a boarding ladder with a safety warning function is provided on the bottom surface of the ladder body. An electric hydraulic rod is fixedly connected to the inner top wall of the bottom compartment, and a suction cup is fixedly connected to the output end of the electric hydraulic rod. This prevents the pressure from affecting the stability of the ladder body when the first and second extension ladders are deployed onto the ship's hull.
[0008] According to the boarding ladder with a safety warning function described in the utility model, the upper surface of the fixed plate is fixedly connected to a support rod, and the middle part of the retractable rope is located on the top surface of the support rod to support the retractable rope.
[0009] According to the boarding ladder with a safety warning function described in the utility model, the bottom surface of the ladder body is fixedly connected to a universal wheel, and the side surface of the fixing plate is fixedly connected to a safety warning light, which is used to remind and guide boarding personnel at night or in bad weather.
[0010] According to the boarding ladder with a safety warning function described in the utility model, the step surface of the main ladder body is provided with a granular anti-skid layer, and the upper surfaces of the first and second extension ladders are both provided with a striped anti-skid layer, which is used to prevent people from slipping when boarding the ship in rainy or snowy weather.
[0011] Beneficial effect: By arranging two extension ladders, the ship ladder extension ladder 1 and the ship ladder extension ladder 2, on the ship ladder main body, and combining the retraction rope with the ship ladder extension ladder 2, and the surfaces of the two extension ladders are provided with foldable and retractable railings, it not only does not affect the folding and storage, but also does not affect the safety of boarding personnel. The ship ladder extension ladder 1 and the ship ladder extension ladder 2 are folded and stored into an inverted V shape, ensuring that the ship ladder main body will not be affected or bumped into surrounding objects when being moved because the extension ladder is too long. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] The present invention will be further described below with reference to the accompanying drawings and embodiments;
[0013] Figure 1 This is the overall structural diagram of the boarding ladder with safety warning function of the utility model;
[0014] Figure 2 This is a bottom view of the boarding ladder with a safety warning function of the utility model;
[0015] Figure 3 This is a structural diagram of the boarding ladder extension ladder with a safety warning function of the utility model;
[0016] Figure 4 This is a rear view of the boarding ladder with a safety warning function of the present invention.
[0017] Legend:
[0018] 1. Ladder body; 2. Ladder extension 1; 3. Ladder extension 2; 4. Fixing plate; 5. Rewinding drum; 6. Retraction rope; 7. Railing 1; 8. Railing 2; 9. Support rod; 10. Handrail; 11. Storage compartment; 12. Bottom compartment; 13. Electric hydraulic rod; 14. Suction cup; 15. Safety warning light. DETAILED DESCRIPTION
[0019] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.
[0020] Reference Figure 1-4 , the utility model embodiment of a boarding ladder with a safety warning function, which includes: a ship ladder main body 1, used to carry the ship ladder extension ladder 1 2 and the ship ladder extension ladder 2 3 and other equipment, the two side surfaces of the ship ladder main body 1 are connected with a fixing plate 4, which is used to connect the support rod 9 and the ship ladder extension ladder 1 2 and the ship ladder extension ladder 2 3, the rear surface of the fixing plate 4 is rotatably connected to the ship ladder extension ladder 1 2 through a rotating shaft, and one end of the ship ladder extension ladder 1 2 is rotatably connected to the ship ladder extension ladder 2 3, so as to form a boarding ladder that is easy to store, so as to avoid the situation where the traditional boarding ladder is too long and inconvenient to arrange, the upper surfaces of the ship ladder extension ladder 1 2 and the ship ladder extension ladder 2 3 are rotatably connected with the railing 1 7 and the railing 2 8, so as to protect the safety of boarding personnel. The positions of railing 1 7 and railing 2 8 are staggered, which is used to facilitate folding and storage. When railing 1 7 is folded and laid flat on the upper surface of the ship ladder extension ladder 1 2, railing 2 8 is located on the upper surface of railing 1 7, so that railing 1 7 and railing 2 8 are flat when folded and stored, and do not affect the folding of the ship ladder extension ladder 1 2 and the ship ladder extension ladder 2 3. Both side surfaces of the ship ladder extension ladder 2 3 are fixedly connected with pull rings for fixing the retraction rope 6, and the inside of the pull ring is fixedly connected with the retraction rope 6 for fixing the ship ladder extension ladder 2 3. The end of the retraction rope 6 away from the ship ladder extension ladder 2 3 is fixedly connected with a reel-up 5, which is used to reel up a part of the retraction rope 6 when the ship ladder extension ladder 2 3 is retracted.
[0021] A storage bin 11 is provided inside the main body 1 of the ship ladder. The inner top wall of the storage bin 11 is fixedly connected to a servo motor. The output end of the servo motor is fixedly connected to the reel-up drum 5 through a rotating rod, which is used to facilitate the retraction and unfolding of the retraction rope 6, and can fold and unfold the ship ladder extension ladder 1 2 and the ship ladder extension ladder 2 3. A number of steps are provided on the upper surface of the ship ladder main body 1, and a handrail 10 is fixedly connected to the upper surface of the fixed plate 4, which is used to achieve the effect of being flush with the hull, making it convenient for people to board the ship. A bottom bin 12 is provided on the bottom surface of the main body of the ship ladder 1, and an electric hydraulic rod 13 is fixedly connected to the inner top wall of the bottom bin 12. A suction cup 14 is fixedly connected to the output end of the electric hydraulic rod 13, which is used to prevent the pressure when the ship ladder extension ladder 1 2 and the ship ladder extension ladder 2 3 are unfolded to the hull from affecting the stability of the ship ladder main body 1, and to avoid the situation where the ship ladder main body 1 loses control and shakes or one end is tilted after being pressurized. A support rod 9 is fixedly connected to the top surface of the fixed plate 4. The middle portion of the retraction rope 6 is located on the top surface of the support rod 9, supporting the retraction rope 6 so that the retraction rope 6 has sufficient tension to pull the ship ladder extension step 1 2 and the ship ladder extension step 2 3. Universal wheels are fixedly connected to the bottom surface of the ship ladder body 1. Safety warning lights 15 are fixedly connected to the side of the fixed plate 4 to alert and guide boarding personnel at night or in inclement weather to prevent them from missing their boarding time. The step surface of the ship ladder body 1 is provided with a granular anti-skid layer, and the top surfaces of the ship ladder extension step 1 2 and the ship ladder extension step 2 3 are both provided with a striped anti-skid layer to prevent slipping on rainy and snowy days.
[0022] Working principle: When using the boarding ladder with safety warning function, the ship ladder body 1 is moved to a suitable position of the dock of the docked ship through the universal wheel, and then the electric hydraulic rod 12 inside the bottom warehouse 12 is used to fit the suction cup 14 with the ground to ensure the stability of the ship ladder body 1, and then the servo motor inside the storage warehouse 11 drives the rotating rod to rotate, so that the winding drum 5 unfolds the wound retraction rope 6, which also causes the ship ladder extension ladder 2 3 connected to the other end of the retraction rope 6 to unfold toward the hull. When the ship ladder extension ladder 2 3 is unfolded, the ship ladder extension ladder 1 2 is also unfolded and kept flush with the ship ladder extension ladder 2 3. One end of the ship ladder extension ladder 2 3 is placed on the hull. When the boarding personnel go up to the ship ladder extension ladder 1 2 through the steps of the ship ladder body 1, the flatly stored railing 2 8 is first pulled open and erected, and then the railing 1 7 is also pulled open and erected, so that the passage of the boarding personnel is not affected.
[0023] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.
Claims
1. A boarding ladder with a safety warning function, characterized in that: include: A ship ladder main body (1), the two side surfaces of the ship ladder main body (1) are evenly connected with fixed plates (4), the rear surface of the fixed plate (4) is rotatably connected with a ship ladder extension ladder (2) through a rotating shaft, one end of the ship ladder extension ladder (2) is rotatably connected with a ship ladder extension ladder (3), the upper surfaces of the ship ladder extension ladder (2) and the ship ladder extension ladder (3) are both rotatably connected with a railing (7) and a railing (8), the positions of the railing (7) and the railing (8) are staggered, when the railing (7) is folded and laid flat on the upper surface of the ship ladder extension ladder (2), the railing (8) is located on the upper surface of the railing (7), the two side surfaces of the ship ladder extension ladder (3) are fixedly connected with a pull ring, the interior of the pull ring is fixedly connected with a retraction rope (6), and the end of the retraction rope (6) away from the ship ladder extension ladder (3) is fixedly connected with a reel (5).
2. A boarding ladder with a safety warning function according to claim 1, characterized in that: A storage bin (11) is provided inside the ship ladder body (1), and a servo motor is fixedly connected to the inner top wall of the storage bin (11), and an output end of the servo motor is fixedly connected to a winding drum (5) via a rotating rod.
3. The boarding ladder with a safety warning function according to claim 1, characterized in that: The upper surface of the ship ladder body (1) is provided with a plurality of steps, and the upper surface of the fixing plate (4) is fixedly connected with a handrail (10).
4. The boarding ladder with a safety warning function according to claim 1, characterized in that: The bottom surface of the ship ladder body (1) is provided with a bottom bin (12), the inner top wall of the bottom bin (12) is fixedly connected to an electric hydraulic rod (13), and the output end of the electric hydraulic rod (13) is fixedly connected to a suction cup (14).
5. The boarding ladder with a safety warning function according to claim 1, characterized in that: The upper surface of the fixed plate (4) is fixedly connected to a support rod (9), and the middle portion of the retractable rope (6) is located on the top surface of the support rod (9).
6. The boarding ladder with a safety warning function according to claim 1, characterized in that: The bottom surface of the ship ladder main body (1) is fixedly connected with a universal wheel, and the side surface of the fixing plate (4) is fixedly connected with a safety warning light (15).
7. The boarding ladder with a safety warning function according to claim 1, characterized in that: The stepped surface of the ship ladder main body (1) is provided with a granular anti-skid layer, and the upper surfaces of the ship ladder extension step 1 (2) and the ship ladder extension step 2 (3) are both provided with a striped anti-skid layer.