Ship embarkation rope ladder testing device

By designing a ship boarding rope ladder testing device, a magnetic chuck and ejection mechanism are used to simulate the pilot's stepping force, thereby realizing the load-bearing capacity test of the rope ladder. This solves the problem of high risk of rope ladder breakage and improves safety and ease of operation.

CN223672755UActive Publication Date: 2025-12-16张波
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Patent Information

Application Number
CN202520320445.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-26
Publication Date
2025-12-16
Estimated Expiration
2035-02-26

AI Technical Summary

Technical Problem

Current technology lacks a device that allows pilots to test the load-bearing capacity of the target vessel's rope ladder before boarding or disembarking, resulting in a high risk of rope ladder breakage and posing a safety hazard.

Method used

Design a ship boarding rope ladder testing device, including a carrier, a magnetic chuck, a push-out mechanism and a controller. The magnetic chuck is attached to the outside of the ship, the push-out mechanism simulates the stepping force of the pilot, the detection unit monitors the thrust in real time, and the controller controls the state switching of the magnetic chuck and the push-out mechanism to realize the load-bearing test of the rope ladder steps.

Benefits of technology

It can detect the risk of rope ladder breakage before boarding and disembarking, reducing the occurrence of safety accidents. The C-shaped structure stabilizes the rope ladder steps, avoiding the risk of detachment, and provides remote control operation.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a ship embarkation rope ladder testing device which comprises a carrier, the front end of the carrier is provided with a magnetic suction cup, the magnetic suction cup has a suction state and an unloading state, the carrier is provided with an ejection mechanism which applies pushing force downwards in the vertical direction, the ejection mechanism is provided with a detection unit used for detecting the magnitude of the pushing force, and the detection unit is connected with the magnetic suction cup. The carrier is provided with a controller, the controller comprises a first control module used for driving the magnetic suction cup to be switched between a suction state and an unloading state, a second control module used for controlling starting and stopping of the ejection mechanism and a battery module used for providing electric energy, and a detection unit of the ejection mechanism is in communication connection with the second control module. The utility model provides a ship embarkation rope ladder testing device which can enable a pilot to carry out bearing capacity detection on a rope ladder hung on the outer side of a target ship before the pilot embarks and leaves the ship, and reduces the risk of rope ladder breakage.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of ship auxiliary equipment, specifically is a ship boarding rope ladder testing arrangement. BACKGROUND

[0002] The crew of large ships sailing at sea mostly uses a rope ladder hung on the outside of the hull of the target ship to climb when boarding or leaving the ship. Especially, the pilot boards or leaves the ship by the rope ladder after the pilot boat approaches the target ship. However, due to the large waves at sea, the rope ladder is highly corroded, and the rope ladder often breaks during the boarding or leaving process of the pilot, causing personal injury to the pilot and even falling into the sea and other accidents.

[0003] Although there are specifications for the maintenance of the rope ladder in the industry, the rope ladder is installed on the target ship, and the pilot cannot know the actual state of the rope ladder on the target ship before boarding or leaving the ship, so the industry lacks a detection device that can temporarily detect the load-bearing capacity of the rope ladder before the pilot uses it. UTILITY MODEL CONTENT

[0004] The utility model aims to at least solve one of the technical problems in the related art: to provide a ship boarding rope ladder testing arrangement that can detect the load-bearing capacity of the rope ladder hung on the outside of the target ship before the pilot boards or leaves the ship, reducing the risk of rope ladder breakage.

[0005] To this end, one object of the utility model is to provide a ship boarding rope ladder testing arrangement, which includes a carrier, a magnetic chuck is provided at the front end of the carrier, the magnetic chuck has an attraction state and an unloading state, a push-out mechanism is provided on the carrier to apply a downward thrust in the vertical direction, a detection unit is provided on the push-out mechanism to detect the size of the thrust, a controller is provided on the carrier, the controller includes a first control module for switching the magnetic chuck between the attraction state and the unloading state, a second control module for controlling the start and stop of the push-out mechanism, and a battery module for providing electrical energy, and the detection unit of the push-out mechanism is in communication connection with the second control module. The magnetic chuck can be attracted to the outside of the hull of the target ship, and then the push-out mechanism can apply a downward thrust to the rope ladder pedal on the rope ladder, which simulates the gravity of the pilot stepping on the rope ladder pedal, thereby discovering the breakage of the rope ladder pedal in advance and avoiding the breakage of the rope ladder during the boarding or leaving process of the pilot.

[0006] According to an example of the utility model, the carrier is C-shaped structure, the carrier includes upper horizontal plate, lower horizontal plate and vertical plate, both ends of vertical plate are fixed with rear end of upper horizontal plate and lower horizontal plate, and the front end of upper horizontal plate and lower horizontal plate is equipped with magnetic chuck, the ejection mechanism is located between upper horizontal plate and lower horizontal plate and is connected with upper horizontal plate.C-shaped structure can be well limited corresponding rope ladder pedal between upper horizontal plate and lower horizontal plate, avoid the situation of accidental disengagement when the ejection mechanism exerts thrust to rope ladder pedal.

[0007] According to an example of the utility model, the lower end surface of upper horizontal plate is concave and forms mounting groove for accommodating ejection mechanism.

[0008] According to an example of the utility model, the ejection mechanism is electric push rod, the fixed end of electric push rod is fixed with carrier, and the movable end of electric push rod is equipped with pressing plate for abutting against rope ladder pedal, the electric push rod is electrically connected with battery module and is in communication connection with second control module, and the detection unit is arranged for detecting the thrust size of movable end of electric push rod.

[0009] According to an example of the utility model, the mounting groove is arranged to be reset to the inside of mounting groove when the movable end of electric push rod moves upwards to initial position.

[0010] According to an example of the utility model, the magnetic chuck includes chuck shell and electromagnet arranged in the chuck shell, and the electromagnet is electrically connected with first control module in controller.

[0011] According to an example of the utility model, the top of carrier is equipped with top cover, and the device control cavity is formed between top cover and carrier, and the controller is installed in the device control cavity.

[0012] According to an example of the utility model, the ship boarding rope ladder testing device further includes remote controller in communication connection with controller, the remote controller is equipped with first control button for controlling magnetic chuck to switch between suction state and unloading state, and second control button for controlling ejection mechanism to start and stop, the first control button is in wireless communication connection with first control module in controller, and the second control button is in wireless communication connection with second control module in controller.

[0013] According to an example of the utility model, the rear end of carrier away from magnetic chuck is equipped with annular pull ring.

[0014] The above technical scheme has the following advantages or beneficial effects: firstly, the pilot can attract the magnetic force suction plate on the carrier to the outer side wall of the target ship before boarding, and the ejecting mechanism on the carrier is placed above one of the rope ladder steps, then the ejecting mechanism ejects downward to exert a downward thrust on the rope ladder step, thereby simulating the gravity of the pilot stepping on the rope ladder step, so that it can be detected in advance whether the rope ladder is safe, and the occurrence of rope ladder breakage during the boarding process of the pilot is avoided; secondly, the carrier is a C-shaped structure, and the C-shaped carrier can limit one of the rope ladder steps between the upper horizontal plate and the lower horizontal plate of the carrier, thereby avoiding the risk of disengagement of the rope ladder step and the ejecting mechanism; finally, the attraction or unloading of the magnetic force suction plate and the ejecting or resetting of the ejecting mechanism can be remotely controlled through the remote controller.

[0015] The additional aspects and advantages of the present application will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structure schematic diagram of the ejecting mechanism 3 of the present application exerting a thrust downward.

[0017] Figure 2 is a structure schematic diagram of the ejecting mechanism 3 of the present application resetting upward.

[0018] Figure 3 is Figure 2 is a side view of the ship boarding rope ladder testing device.

[0019] Figure 4 is Figure 3 is a schematic diagram of the internal structure of the ship boarding rope ladder testing device.

[0020] Figure 5 is a control logic block diagram of the ship boarding rope ladder testing device.

[0021] Figure 6 is a working state schematic diagram of the ship boarding rope ladder testing device attracted to the outer side of the target ship.

[0022] 1, carrier; 1.1, upper horizontal plate; 1.2, lower horizontal plate; 1.3, vertical plate; 1.4, mounting groove; 2, magnetic force suction plate; 2.1, suction plate shell; 2.2, electromagnet; 3, ejecting mechanism; 3.1, detection unit; 3.2, power unit; 4, controller; 4.1, first control module; 4.2, second control module; 4.3, battery module; 5, top cover; 6, equipment control cavity; 7, remote controller; 7.1, first control button; 7.2, second control button; 8, pull ring; 9, rope ladder step; 10, target ship. DETAILED DESCRIPTION

[0023] Embodiments of the present application are described in detail below with reference to the attached drawing figures, wherein the same or like component have the same or similar designations. The embodiments described below are presented by way of example to explain the present application, and are not to be construed as limiting the present application.

[0024] A ship boarding rope ladder testing device according to an embodiment of the present application is described in detail below with reference to the attached drawings.

[0025] The present application provides a kind of ship boarding rope ladder testing device, as shown in figure, it includes carrier 1, the front end of the carrier 1 along the length direction of itself is equipped with magnetic chuck 2, the magnetic chuck 2 has attraction state and unloading state, wherein the attraction state refers to the working state of magnetic chuck 2 with external magnetic force, wherein the unloading state refers to the magnetic attraction of magnetic chuck 2 to external elimination, so that magnetic chuck 2 can be from the side of attraction ship break away, the bottom of the carrier 1 is equipped with ejection mechanism 3, the ejection mechanism 3 includes the power unit 3.2 that can be along vertical direction downward to rope ladder pedal 9 with the detection unit 3.1 for detecting the thrust of power unit 3.2, when power unit 3.2 exerts force on rope ladder pedal, detection unit 3.1 can obtain the numerical value of the thrust of power unit 3.2 in real time, the carrier 1 is equipped with controller 4, the controller 4 includes the first control module 4.1 for driving magnetic chuck 2 to switch between attraction state and unloading state, the second control module 4.2 for controlling the start-stop of ejection mechanism 3, and the battery module 4.3 for providing electric energy, the first control module 4.1 and the second control module 4.2 are respectively connected with battery module 4.3 to form the entire controller 4, the detection unit 3.1 of the ejection mechanism 3 is connected with the second control module 4.2, and battery module 4.3 can provide electric energy to the power unit 3.2 of ejection mechanism 3 through the second control module 4.2.

[0026] In the present embodiment, when ejection mechanism 3 exerts force on rope ladder pedal 9, it will be subjected to reaction force, the size of the force and reaction force is equal, so the thrust is the force and reaction force between ejection mechanism 3 and rope ladder pedal 9.

[0027] Based on one of the preferred examples of the above embodiments:

[0028] The carrier 1 is long strip shape extending along the length direction. The magnetic force suction plate 2 is arranged at the front end of the carrier 1, and the rear end of the carrier 2 is provided with a holding end, and the crew can hold the holding end of the rear end of the carrier 2 by hand or by means of an extension rod, and the magnetic force suction plate 2 at the front end of the carrier 2 is attracted to the outer side wall of the target ship 10 after passing through the rope ladder step 9, and finally the rope ladder step 9 below the carrier 1 is pushed downward by the ejecting mechanism 3, and when the value of the pushing force reaches the set standard value, the detection unit 3.1 gives a detection qualified signal, and the controller 4 controls the power unit 3.2 of the ejecting mechanism 3 to reset through the second control module 4.2, and then controls the magnetic force suction plate 2 to switch from the attraction state to the unloading state through the first control module 4.1, and completes the detection of the carrying weight of the rope ladder step 9.

[0029] Based on the above preferred example two:

[0030] Compared with the above preferred example one, the improvement of the present preferred example is that the carrier 1 in the present preferred example is a C-shaped structure, and the C-shaped structure carrier 1 comprises an upper horizontal plate 1.1, a lower horizontal plate 1.2 and a vertical plate 1.3, as shown in Figure 3 and Figure 4 The upper end of the vertical plate 1.3 is fixed to the right end of the upper horizontal plate 1.1, which is the rear end of the upper horizontal plate 1.1, and the lower end of the vertical plate 1.3 is fixed to the right end of the lower horizontal plate 1.2, which is the rear end of the lower horizontal plate 1.2. The front end of the upper horizontal plate 1.1 and the front end of the lower horizontal plate 1.2 are provided with a magnetic force suction plate 2. The ejecting mechanism 3 is located between the upper horizontal plate 1.1 and the lower horizontal plate 1.2 and is connected to the upper horizontal plate 1.1, specifically, the ejecting mechanism 3 is connected to the lower end surface of the upper horizontal plate 1.1. By adopting the C-shaped structure, the two magnetic force suction plates 2 can form a stable ring structure after being attracted to the target ship 10, and at this time one rope ladder step 9 in the rope ladder is limited between the upper horizontal plate 1.1 and the lower horizontal plate 1.2, and when the ejecting mechanism 3 exerts a downward pushing force on the rope ladder step 9, the rope ladder step 9 can be prevented from being separated from the ejecting mechanism 3.

[0031] As shown in Figure 4 The lower end surface of the upper horizontal plate 1.1 is recessed to form a mounting groove 1.4 for accommodating the ejecting mechanism 3. The ejecting mechanism 3 is mounted in the mounting groove 1.4.

[0032] Preferably, the ejecting mechanism 3 has a downward extending ejecting state and a retracted initial state, and the groove depth of the mounting groove 1.4 is set to be able to hide the ejecting mechanism 3 entirely in the mounting groove 1.4 when the ejecting mechanism 3 is in the retracted initial state. In this embodiment, when the carrier 1 is clamped to the corresponding rope ladder step 9 in the horizontal direction, the rope ladder step 9 is prevented from abutting against the ejecting mechanism 3, so that the rope ladder step 9 can be slidably fitted with the lower end surface of the upper horizontal plate 1.1 in the carrier 1.

[0033] Based on one of the preferred examples of the ejection mechanism 3 in the above embodiments:

[0034] The ejection mechanism 3 is an electric push rod, the fixed end of the electric push rod is inserted into the installation slot 1.4 and fixedly connected with the carrier 1, the movable end of the electric push rod is provided with a pressing plate for abutting against the rope ladder step 9, the electric push rod is electrically connected with the battery module 4.3, and the electric push rod is communicatively connected with the second control module 4.2, so that the controller 4 can control the electric push rod to extend downward to apply a downward pushing force to the rope ladder step 9 or to retract upward into the installation slot 1.4, and the detection unit 3.1 is configured to detect the pushing force of the movable end of the electric push rod in real time. The electric push rod in this embodiment is also called an electric push rod, which is a kind of existing commercially available product, and it is extremely common to integrate the detection unit 3.1 on the electric push rod for detecting the pushing force. Such detection unit 3.1 can be a variety of existing force sensors, so the specific types of force sensors used by the detection unit 3.1 and the structure of the electric push rod in this embodiment are not listed one by one.

[0035] Preferably, the installation slot 1.4 is configured to allow the movable end of the electric push rod to retract into the installation slot 1.4 when the movable end of the electric push rod moves upward to the initial position.

[0036] Based on the second preferred example of the ejection mechanism 3 in the above embodiments:

[0037] As shown in Figure 1 , Figure 4 and Figure 5 , the power unit 3.2 in the ejection mechanism 3 includes an upper pressing plate, a lower pressing plate, and a linkage assembly disposed between the upper pressing plate and the lower pressing plate, the linkage assembly is composed of a plurality of pivotally connected linkages, the upper pressing plate and the lower pressing plate are drivingly connected through the linkage assembly, so that the upper pressing plate and the lower pressing plate can move towards each other or move away from each other, a driving motor is provided between the upper pressing plate and the lower pressing plate, an output shaft of the driving motor is drivingly connected with the linkage assembly through a transmission screw, the driving motor controls the upper pressing plate and the lower pressing plate to move towards each other or move away from each other through forward rotation or reverse rotation of the output shaft, the driving motor is electrically connected with the battery module 4.3 in the controller 4, and the driving motor and the detection unit 3.1 are communicatively connected with the second control module 4.2, and the second control module 4.2 receives the detection signal of the detection unit 3.1 for controlling the forward rotation or reverse rotation of the driving motor. In this embodiment, the relative or opposite movement of the parallel upper pressing plate and lower pressing plate is realized by a plurality of linkages forming a plurality of four-bar mechanisms, which is a common connection method in existing four-bar mechanisms and is more commonly used in various lifting mechanisms. In this embodiment, the specific structure of each linkage in the linkage assembly is not described in detail.

[0038] As shown in Figure 4As shown, the magnetic suction cup 2 comprises a suction cup shell 2.1, and an electromagnet 2.2 arranged in the suction cup shell 2.1, which is electrically connected with the first control module 4.1 in the controller 4. In this embodiment, the suction and release states of the electromagnet 2.2 are changed by the first control module 4.1 controlling the on-off of the electromagnet 2.2.

[0039] It should be understood that the magnetic suction cup 2 is used to be attracted to the target ship 10 during work and to be released from the target ship 10 after work, so the structures of various magnetic suction cups 2 capable of having suction and release states in the prior art all belong to the scope of the magnetic suction cup 2 described in this embodiment.

[0040] Based on the improvement of the above embodiment, the top of the carrier 1 is provided with a top cover 5, and the device control cavity 6 is formed between the top cover 5 and the carrier 1, and the controller 4 is installed in the device control cavity 6. The top cover 5 and the carrier 1 are detachably connected.

[0041] Based on the improvement of the above embodiment, the carrier 1 is provided with a start button, and the start button is electrically connected with the controller 4. After the start button is pressed, the first control module 4.1 in the controller 4 controls the magnetic suction cup 2 to open and be in the suction state with magnetic attraction. Thus, when the operator approaches the target ship 10 with the ship boarding rope ladder testing device, the ship boarding rope ladder testing device can be well attracted to the outer wall of the target ship 10.

[0042] Preferably, the ship boarding rope ladder testing device of this embodiment further comprises a remote controller 7, which is communicatively connected with the controller 4. The remote controller 7 is provided with a first control button 7.1 and a second control button 7.2. The first control button 7.1 is wirelessly communicatively connected with the first control module 4.1 in the controller 4, and is used to control the magnetic suction cup 2 to switch between the suction state and the release state. The second control button 7.2 is wirelessly communicatively connected with the second control module 4.2 in the controller 4, and is used to control the power unit 3.2 in the ejecting mechanism 3 to be ejected downward or to be reset upward.

[0043] In order to facilitate the gripping of the ship boarding rope ladder testing device of this embodiment and the attachment of the ship boarding rope ladder testing device to the outer side of the hull of the target ship 10, the improvement of this embodiment is that the rear end of the carrier 1 away from the magnetic suction cup 2 is provided with a ring-shaped pull ring 8.

[0044] The working principle of the above embodiment is as follows:

[0045] Firstly, the pilot or other crew on the pilot boat grips the pull ring 8 in the ship boarding rope ladder testing device, and makes the ship boarding rope ladder testing device in the open state through the starting button on the carrier 1, at this time the first control module 4.1 in the controller 4 drives the magnetic suction cup 2 to be in the suction state with magnetic force after being powered on, after the pilot boat approaches the target ship 10, the above-mentioned crew holding the ship boarding rope ladder testing device aligns the front of the carrier 1 with the outer side wall of the hull of the target ship 10, and in the process, one of the rope ladder steps 9 in the rope ladder is clamped between the upper horizontal plate 1.1 and the lower horizontal plate 1.2 of the carrier 1, at this time the lower end surface of the upper horizontal plate 1.1 is basically attached to the rope ladder step 9, the ejecting mechanism 3 corresponds to the rope ladder step 9, then the crew on the pilot boat gives a control instruction through the second control button 7.2 on the remote controller 7, the second control module 4.2 on the controller 4 receives the control instruction and drives the power unit 3.2 of the ejecting mechanism 3 to work, so that the power unit 3.2 of the ejecting mechanism 3 moves downward and exerts a downward thrust on the rope ladder step 9, and when the detection unit 3.1 detects that the thrust reaches a preset standard value, a detection qualified signal is given, and the controller 4 receives the detection qualified signal and controls the power unit 3.2 of the ejecting mechanism 3 to reset, finally the controller 4 controls the magnetic suction cup 2 to be powered off and in the unloading state through the first control module 4.1, or the crew on the pilot boat controls the magnetic suction cup 2 to be powered off through the first control button 7.1 on the remote controller 7.

[0046] Preferably, the preset standard value is 24KN.

[0047] Preferably, the remote controller 7 is provided with a signal receiving unit for receiving the detection signal sent by the detection unit 3.1, and the remote controller 7 is provided with a display screen for displaying the thrust detection value on the display screen.

[0048] Further, the remote controller 7 is provided with a signal sending module for inputting the preset standard value, which is in communication connection with the controller 4, and is used to change the standard value pre-stored in the controller 4.

[0049] Although the embodiments of the present application have been shown and described above, it should be understood by those skilled in the art that the above-mentioned embodiments are exemplary and cannot be understood as limiting the present application, and those skilled in the art can make changes, modifications, replacements and modifications to the above-mentioned embodiments within the scope of the present application.

[0050] For those skilled in the art, after reading the above description, various changes and modifications will undoubtedly be apparent. Therefore, the appended claims should be considered as covering all changes and modifications within the true intent and scope of the present application. Any and all equivalent ranges and contents within the scope of the claims should be considered as still within the intent and scope of the present application.

Claims

1. A ship embarkation rope ladder test device, characterized by: The device includes a carrier (1), the front end of the carrier (1) is provided with a magnetic chuck (2), the magnetic chuck (2) has a suction state and an unloading state, the carrier (1) is provided with an ejection mechanism (3) for applying a pushing force downward in the vertical direction, the ejection mechanism (3) is provided with a detection unit (3.1) for detecting the size of the pushing force, the carrier (1) is provided with a controller (4), the controller (4) includes a first control module (4.1) for driving the magnetic chuck (2) to switch between the suction state and the unloading state, a second control module (4.2) for controlling the start and stop of the ejection mechanism (3), and a battery module (4.3) for providing electric energy, and the detection unit (3.1) of the ejection mechanism (3) is in communication connection with the second control module (4.2).

2. The marine boarding rope ladder test device of claim 1, wherein: The carrier (1) is in a C-shaped structure, the carrier (1) includes an upper horizontal plate (1.1), a lower horizontal plate (1.2) and a vertical plate (1.3), the two ends of the vertical plate (1.3) are fixed with the rear ends of the upper horizontal plate (1.1) and the lower horizontal plate (1.2) respectively, the front ends of the upper horizontal plate (1.1) and the lower horizontal plate (1.2) are provided with the magnetic chuck (2), and the ejection mechanism (3) is located between the upper horizontal plate (1.1) and the lower horizontal plate (1.2) and connected with the upper horizontal plate (1.1).

3. The marine embarkation ladder test device of claim 2, wherein: The lower end surface of the upper horizontal plate (1.1) is concave to form a mounting groove (1.4) for accommodating the ejection mechanism (3).

4. The marine boarding rope ladder test device of claim 3, wherein: The ejection mechanism (3) is an electric push rod, the fixed end of the electric push rod is fixed with the carrier (1), the movable end of the electric push rod is provided with a pressing plate for abutting against the rope ladder step, the electric push rod is in electrical connection with the battery module (4.3) and in communication connection with the second control module (4.2), and the detection unit (3.1) is arranged to detect the size of the pushing force of the movable end of the electric push rod.

5. The marine embarkation ladder test device of claim 4, wherein: The mounting groove (1.4) is arranged to enable the movable end of the electric push rod to reset into the mounting groove (1.4) when the movable end of the electric push rod moves upward to an initial position.

6. The marine boarding rope ladder test device of claim 1, wherein: The magnetic chuck (2) includes a chuck shell (2.1) and an electromagnet (2.2) arranged in the chuck shell (2.1), the electromagnet (2.2) is in electrical connection with the first control module (4.1) in the controller (4).

7. The marine boarding rope ladder test device of claim 1, wherein: The top of the carrier (1) is provided with a top cover (5), the top cover (5) and the carrier (1) together form a device control cavity (6), and the controller (4) is installed in the device control cavity (6).

8. The marine boarding rope ladder test device of claim 1, wherein: The ship boarding rope ladder testing device further includes a remote controller (7) in communication connection with the controller (4), the remote controller (7) is provided with a first control button (7.1) for controlling the magnetic chuck (2) to switch between the suction state and the unloading state, and a second control button (7.2) for controlling the start and stop of the ejection mechanism (3), the first control button (7.1) is in wireless communication connection with the first control module (4.1) in the controller (4), and the second control button (7.2) is in wireless communication connection with the second control module (4.2) in the controller (4).

9. The marine boarding rope ladder test device of claim 1, wherein: The rear end of the carrier (1) away from the magnetic chuck (2) is provided with a ring-shaped pull ring (8).