Stainless steel boarding ladder with protection device
By installing protective devices on the boarding ladder, including air cushions and pressure relief devices, the problem of the boarding ladder slipping due to seawater adhesion during use is solved, and safety and stability are improved, making it easier to climb quickly.
Patent Information
- Application Number
- CN202421721494.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-19
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-07-19
AI Technical Summary
The existing boarding ladders are likely to slip due to seawater adhesion during use, causing rescuers to slip their hands and feet when climbing, causing safety hazards.
A stainless steel boarding ladder with a protective device is designed, including a protective device on the lower surface of the ladder. The protective device includes an air cushion, a pallet, a rotating block, a round rod and a pressure relief device. The air cushion is bulged through an air pump to provide buffer protection.
It effectively reduces the safety hazards caused by the sliding and falling of climbers, improves the safety and stability of the equipment, and facilitates the rapid climbing of climbers.
Smart Images

Figure CN222756748U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of boarding ladders, in particular to a stainless steel boarding ladder with a protective device. Background Art
[0002] A rescue boarding ladder is a device used in rescue operations, usually used to transfer people from one ship to another or from the water to a ship in an emergency. In actual applications, the rescue boarding ladder is usually operated by professional rescue personnel or crew members.
[0003] The prior art includes a utility model with a publication number of CN209051561U. The utility model relates to the field of ship rescue, specifically a boarding ladder for boarding an inflatable hybrid lifeboat, wherein the inflatable hybrid lifeboat includes an inflatable hull and a rigid hull that is integrated with the inflatable hull and located below the inflatable hull, including a ladder body and a hull connecting portion that is respectively connected to the ladder body, wherein the hull connecting portion includes a hull cover, and the hull cover has a slot that can be clamped on the end face of the hull. The utility model provides a boarding ladder that can be applied to an inflatable hybrid lifeboat, wherein the boarding ladder can be clamped on the end face of the inflatable hull through a hull mounting portion, and then lifeguards can board the ship through the ladder body of the boarding ladder. The hull connection part of the boarding ladder is adapted to the structure of the rigid hull, which can ensure the stable support of the boarding ladder without damaging the hull. However, during use, seawater sticks to the boarding ladder, which can easily cause the boarding ladder to become slippery. When rescuers climb urgently, they are prone to slipping and falling.
[0004] In order to solve the problem of rescuers slipping and falling during climbing, causing safety hazards, the existing technology uses safety belts to deal with it. However, safety belts are prone to limit the body flexibility of rescuers during climbing, which in turn leads to slow rescue and affects rapid climbing. Utility Model Content
[0005] The utility model aims to solve the defect in the prior art that rescuers may slip and fall when climbing, thus causing potential safety hazards, and proposes a stainless steel boarding ladder with a protective device.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a stainless steel boarding ladder with a protective device, comprising a ladder and a protective device, a hook being installed on the upper surface of the ladder, and the protective device being arranged on the lower surface of the ladder, and the protective device comprising a round rod, the round rod being fixedly connected to the ladder, the surface of the round rod being rotatably connected to a rotating block, the surface of the rotating block being fixedly connected to a supporting plate, the surface of the supporting plate being installed with an air cushion, one side of the air cushion being fixedly connected to an air hole, a side of the supporting plate close to the air hole being fixedly connected to a pull rope, a side of the pull rope away from the supporting plate being fixedly connected to a rubber plug, the rubber plug being inserted into the air hole, an air pump being installed on one side of the supporting plate, and an air pipe being installed on the driving end of the air pump. By arranging the protective device, it is convenient to protect climbing personnel, reduce the occurrence of safety hazards, improve the safety of the equipment, and facilitate to buffer the falling climbing personnel.
[0007] Preferably, the air cushion is arranged on the upper surface of the support plate, and the air pipe is fixedly connected to the air cushion on the side away from the air pump. By providing the air cushion, it is convenient to protect climbers, increase the safety of the equipment, reduce the difficulty of operating the equipment, and facilitate use.
[0008] Preferably, there are two rotating blocks, and the two rotating blocks are arranged in mirror symmetry. By setting the rotating blocks, when in use, the rotating blocks can easily drive the tray to rotate, which facilitates the folding and storage of the tray, thereby increasing the usability of the device.
[0009] Preferably, a pressure relief device is provided on the lower surface of the support plate, and the pressure relief device includes a piston rod, the piston rod is fixedly connected to the support plate, a pad is fixedly connected to the surface of the piston rod, the lower surface of the piston rod is slidably connected to a support seat, and a pressure spring is sleeved on the surface of the piston rod. By providing the pressure relief device, the impact force of the support plate can be reduced, the service life of the equipment is improved, the stability of the equipment is increased, and the failure rate of the equipment is reduced.
[0010] Preferably, the lower surface of the support seat is fixedly connected to a base, and the piston rod is arranged on the lower surface of the support plate. By arranging the piston rod, it is convenient to buffer the support plate, thereby increasing the stability of the equipment, reducing the difficulty of operating the equipment, and facilitating use.
[0011] Preferably, the two ends of the pressure spring are fixedly connected to the support seat and the pad respectively, and there are four piston rods, which are arranged in a mirror-symmetrical manner. By setting the support seat, it is convenient to assist the piston rod and the pressure spring to relieve the impact force on the support plate, thereby increasing the usability of the equipment and reducing the difficulty of operating the equipment.
[0012] Compared with the prior art, the advantages and positive effects of the utility model are:
[0013] In the utility model, a protective device and a pressure relief device are provided. When in use, the support plate is rotated to unfold the support plate. At this time, the air pump injects air into the air cushion through the air pipe, and the air cushion swells. When the climber falls, he falls on the air cushion, and the air cushion protects the climber. At the same time, the piston rod is stressed and slides downward to drive the pad to squeeze the pressure spring. The pressure spring generates elastic force to relieve the impact force. When use is completed, the pull rope is pulled to pull out the rubber plug, and the gas in the air cushion is discharged, and the support plate can be rotated and folded for storage. By providing the utility model, it is convenient to protect the climbers, the stability of the equipment is increased, the safety hazard caused by the climbers slipping and falling is reduced, the safety of the equipment is improved, and it is convenient to provide buffering protection for the climbers. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 A three-dimensional structural schematic diagram of a stainless steel boarding ladder with a protective device is proposed for the utility model;
[0015] Figure 2 A partial structural schematic diagram of a stainless steel boarding ladder with a protective device is proposed for the utility model;
[0016] Figure 3 The utility model provides a schematic diagram of the protective device structure of a stainless steel boarding ladder with a protective device;
[0017] Figure 4 The utility model provides a schematic diagram of a rubber plug structure of a stainless steel boarding ladder with a protective device;
[0018] Figure 5 The utility model provides a structural schematic diagram of a pressure relief device of a stainless steel boarding ladder with a protective device.
[0019] Legend: 1. Ladder; 2. Hook; 3. Protective device; 31. Air cushion; 32. Support plate; 33. Rotating block; 34. Round rod; 35. Rubber plug; 36. Air hole; 37. Pull rope; 38. Air pump; 39. Air pipe; 4. Pressure relief device; 41. Support seat; 42. Piston rod; 43. Pad; 44. Pressure spring; 45. Base. DETAILED DESCRIPTION
[0020] See also Figure 1-5 The utility model provides a technical solution: a stainless steel boarding ladder with a protective device, comprising a ladder 1 and a protective device 3, a hook 2 is installed on the upper surface of the ladder 1, and the protective device 3 is arranged on the lower surface of the ladder 1.
[0021] The specific settings and functions of the protective device 3 and the pressure relief device 4 are described in detail below.
[0022] In this embodiment: the protective device 3 includes a round rod 34, the round rod 34 is fixedly connected to the ladder 1, the surface of the round rod 34 is rotatably connected to a rotating block 33, the surface of the rotating block 33 is fixedly connected to a support plate 32, the surface of the support plate 32 is installed with an air cushion 31, one side of the air cushion 31 is fixedly connected to an air hole 36, the side of the support plate 32 close to the air hole 36 is fixedly connected to a pull rope 37, the side of the pull rope 37 away from the support plate 32 is fixedly connected to a rubber plug 35, the rubber plug 35 is inserted with the air hole 36, one side of the support plate 32 is installed with an air pump 38, and the driving end of the air pump 38 is installed with an air pipe 39. By setting the protective device 3, it is convenient to protect climbers, reduce the occurrence of safety hazards, improve the safety of equipment, and facilitate buffering of falling climbers.
[0023] Specifically, the air cushion 31 is arranged on the upper surface of the support plate 32, and the air pipe 39 is fixedly connected to the air cushion 31 on the side away from the air pump 38. By setting the air cushion 31, it is convenient to protect climbers, increase the safety of the equipment, reduce the difficulty of operating the equipment, and facilitate use.
[0024] Specifically, there are two rotating blocks 33, and the two rotating blocks 33 are arranged in a mirror-symmetrical manner.
[0025] In this embodiment, by providing a rotating block 33, when in use, the rotating block 33 can easily drive the support plate 32 to rotate, making it convenient for the support plate 32 to be folded and stored, thereby increasing the usability of the device.
[0026] Specifically, a pressure relief device 4 is provided on the lower surface of the support plate 32, and the pressure relief device 4 includes a piston rod 42, which is fixedly connected to the support plate 32, a pad 43 is fixedly connected to the surface of the piston rod 42, a support seat 41 is slidably connected to the lower surface of the piston rod 42, and a pressure spring 44 is sleeved on the surface of the piston rod 42.
[0027] In this embodiment, by providing the pressure relief device 4, the impact force of the support plate 32 is reduced, the service life of the equipment is increased, the stability of the equipment is increased, and the failure rate of the equipment is reduced.
[0028] Specifically, the lower surface of the support seat 41 is fixedly connected to the base 45, and the piston rod 42 is arranged on the lower surface of the support plate 32. By arranging the piston rod 42, it is convenient to buffer the support plate 32, thereby increasing the stability of the equipment, reducing the difficulty of operating the equipment, and facilitating use.
[0029] Specifically, two ends of the pressure spring 44 are fixedly connected to the support seat 41 and the backing plate 43 respectively. There are four piston rods 42, and the four piston rods 42 are arranged in a mirror-symmetrical manner.
[0030] In this embodiment, by providing the support seat 41, the auxiliary piston rod 42 and the pressure spring 44 are convenient for relieving the impact force on the support plate 32, thereby increasing the usability of the device and reducing the difficulty of operating the device.
[0031] Working principle: by setting the protection device 3 and the pressure relief device 4, when in use, the support plate 32 is rotated to unfold the support plate 32, and the air pump 38 injects air into the air cushion 31 through the air pipe 39, and the air cushion 31 swells. When the climber falls, he falls on the air cushion 31, and the air cushion 31 protects the climber. At the same time, the piston rod 42 is stressed and slides downward to drive the pad 43 to squeeze the pressure spring 44. The pressure spring 44 generates elastic force to relieve the impact force. When use is completed, the pull rope 37 is pulled to pull out the rubber plug 35, and the gas in the air cushion 31 is discharged, and the support plate 32 can be rotated to be folded and stored. By setting the utility model, it is convenient to protect the climbers, increase the stability of the equipment, reduce the safety hazards caused by the climbers' hands slipping and falling, improve the safety of the equipment, and facilitate the buffering protection of the climbers.
Claims
1. A stainless steel boarding ladder with a protective device, comprising a ladder (1) and a protective device (3), characterized in that: The upper surface of the ladder (1) is provided with a hook (2); the protective device (3) is arranged on the lower surface of the ladder (1); the protective device (3) comprises a round rod (34); the round rod (34) is fixedly connected to the ladder (1); the surface of the round rod (34) is rotatably connected to a rotating block (33); the surface of the rotating block (33) is fixedly connected to a supporting plate (32); the surface of the supporting plate (32) is provided with an air cushion (31); one side of the air cushion (31) is fixedly connected to an air hole (36); a side of the supporting plate (32) close to the air hole (36) is fixedly connected to a pull rope (37); a side of the pull rope (37) away from the supporting plate (32) is fixedly connected to a rubber plug (35); the rubber plug (35) is inserted into the air hole (36); one side of the supporting plate (32) is provided with an air pump (38); a driving end of the air pump (38) is provided with an air pipe (39).
2. A stainless steel boarding ladder with a protective device according to claim 1, characterized in that: The air cushion (31) is arranged on the upper surface of the support plate (32), and the air pipe (39) is fixedly connected to the air cushion (31) at a side away from the air pump (38).
3. The stainless steel boarding ladder with a protective device according to claim 1, characterized in that: There are two rotating blocks (33), and the two rotating blocks (33) are arranged in a mirror-symmetrical manner.
4. The stainless steel boarding ladder with a protective device according to claim 1, characterized in that: The lower surface of the support plate (32) is provided with a pressure relief device (4), and the pressure relief device (4) comprises a piston rod (42), the piston rod (42) is fixedly connected to the support plate (32), a pad (43) is fixedly connected to the surface of the piston rod (42), the lower surface of the piston rod (42) is slidably connected to a support seat (41), and a pressure spring (44) is sleeved on the surface of the piston rod (42).
5. A stainless steel boarding ladder with a protective device according to claim 4, characterized in that: The lower surface of the support seat (41) is fixedly connected to a base (45), and the piston rod (42) is disposed on the lower surface of the support plate (32).
6. A stainless steel boarding ladder with a protective device according to claim 4, characterized in that: The two ends of the pressure spring (44) are respectively fixedly connected to the support seat (41) and the pad (43). There are four piston rods (42), and the four piston rods (42) are arranged in a mirror-symmetrical manner.
Citation Information
Patent Citations
Boarding ladder
CN209051561U