Fender simulation device, mooring test equipment and test method

Abstract

The invention discloses a fender simulation device, mooring test equipment and a test method, and relates to the technical field of ship mooring test fender simulation, and the fender simulation device comprises a controller, a fender force measurement assembly and a driving mechanism; the fender force measuring assembly is provided with a force sensor used for measuring the impact force borne by the fender force measuring assembly, and the force sensor is electrically connected with the controller. The output end of the driving mechanism is in transmission connection with a moving mechanism capable of translating in the impact force applying direction, and the fender force measuring assembly is installed on the moving mechanism and translates synchronously along with the moving mechanism. The driving assembly is electrically connected with the controller; the controller is used for calculating corresponding deformation through a counter-force-deformation curve and converting the deformation into translation of the moving mechanism, fenders with different rigidities can be simulated, changes of specifications and parameters of different fenders can be achieved under the condition that a hydrodynamic test is carried out when a ship is moored on a wharf, and the stability of the ship is improved. And meanwhile, the fender squeezing force is measured.

Description

Technical Field

[0001] The present invention relates to the technical field of ship mooring and berthing test fender simulation, and particularly to a fender simulation device, a mooring and berthing test equipment and a test method. Background Art

[0002] When a ship is berthed, after the ship is moored at the dock, it needs to be pressed against the fender to protect the dock from being impacted by a large force from the ship. There are many types of fenders used in existing docks, and currently, rubber fenders are mostly used. Fenders include various styles such as drum-shaped fenders, conical fenders, and airbag fenders. Among them, conical and drum-shaped fenders also include one-drum-one-plate, two-drums-one-plate, and multi-drums-one-plate. The end lengths of different drum-shaped fenders are different, that is, the contact areas with the end plates of the fenders are also different when the ship is affected by waves.

[0003] For the simulation of fenders, traditional equipment uses rubber for direct simulation. However, there are many types of fenders. Since rubber itself is also non-linear during simulation, it is difficult to manufacture the material in the scaled-down test, which greatly increases the difficulty and time cost of preparing the fender model. Summary of the Invention

[0004] The purpose of the present invention is to provide a fender simulation device, a mooring and berthing test equipment and a test method to solve the above problems existing in the prior art, which can simulate fenders with different stiffnesses, and can realize changes in different fender specifications and parameters and simultaneously measure the fender squeezing force when conducting a hydrodynamic test during the simulation of a ship mooring at a dock.

[0005] To achieve the above purpose, the present invention provides the following solution: The present invention provides a fender simulation device, including a controller, a fender force measuring component, and a driving mechanism;

[0006] A force sensor for measuring the impact force received is provided on the fender force measuring component, and the force sensor is electrically connected to the controller;

[0007] The output end of the driving mechanism is drivingly connected to a moving mechanism capable of translating along the impact force application direction. The fender force measuring component is installed on the moving mechanism and translates synchronously with the moving mechanism; and the driving component is electrically connected to the controller;

[0008] The controller is used to calculate the corresponding deformation amount through the reaction force-deformation curve, and is used to convert the deformation amount into the translation amount of the moving mechanism.

[0009] Preferably, the force sensor adopts a single-component force sensor.

[0010] Preferably, the fender force measuring assembly further includes connecting blocks distributed on both sides of the force sensor along the impact force application direction, and both connecting blocks are detachably connected to the force sensor.

[0011] Preferably, the driving mechanism adopts a servo motor. The moving mechanism includes a slide table, a connecting portion movably installed on the slide table along the impact force application direction, and a lead screw rotatably installed on the slide table. The lead screw is in transmission connection with the output end of the servo motor. One end of the connecting portion is in rotational cooperation with the lead screw, and the other end extends out of the slide table and is connected to the fender force measuring assembly.

[0012] Preferably, a lengthening plate is detachably connected to the force receiving end of the fender force measuring assembly, and the lengthening plate extends horizontally in a direction perpendicular to the impact force application direction.

[0013] Preferably, an installation sleeve is provided on one side of the lengthening plate close to the fender force measuring assembly, and the installation sleeve is sleeved on the force receiving end of the fender force measuring assembly.

[0014] There is also provided a mooring test device, including a dock model and a test ship model docked on one side of the dock model; at least one fender simulation device is provided on one side of the dock model close to the test ship model. The driving mechanism and the moving mechanism of the fender simulation device are both fixedly installed on the dock model. The fender force measuring assembly of the fender simulation device extends out of the dock model and is used to bear the impact force of the test ship model.

[0015] Preferably, a plurality of mooring devices are further provided on the dock model. The mooring devices are located on one side of the fender simulation device away from the test ship model and are evenly distributed along the length direction of the test ship model. Flexible cables are connected to the corresponding positions of the test ship model at each mooring device.

[0016] Preferably, a plurality of the fender simulation devices are provided on one side of the dock model close to the test ship model, and each fender simulation device is evenly distributed along the length direction of the test ship model.

[0017] There is also provided a mooring test method, including the following steps:

[0018] Preparation before the test: Prepare a dock model, a test ship model, a plurality of mooring devices and a plurality of fender simulation devices. Fix the driving mechanism and the moving mechanism of each test ship model on the dock model, and the fender force measuring assembly of each test ship model extends out of the dock model and is close to the side of the test ship model. Fix each mooring device on the dock model and locate it on one side of the fender simulation device away from the test ship model, and connect each mooring device to the corresponding position of the test ship model with a flexible cable;

[0019] Starting test: At the moment of impact, the fender force-measuring assembly contacts the test ship model. By default, when the fender force-measuring assembly is not impacted, its deformation is ε0, and when it is impacted, its deformation becomes ε1. At this moment, the measured reaction force is F, and the deformation amount at this time is Δε = ε1 - ε0. There are different interpolations in different elastic stages for matching the reaction force-deformation curve;

[0020] The reaction force signal is transmitted to the controller. The controller calculates the corresponding deformation amount through the reaction force-deformation curve, converts the deformation amount into the translation amount of the moving mechanism, and then issues an instruction to the driving mechanism. The driving mechanism drives the moving mechanism to translate, and the translation mechanism drives the fender simulation device to translate synchronously to the translation amount.

[0021] The present invention has achieved the following technical effects compared with the prior art:

[0022] Considering the variety of fenders, in order to simulate different fenders in the mooring test, the present invention discloses a fender simulation device. On the premise of ensuring the unchanged mechanical properties, it simulates the reaction force-deformation performance of the scaled-down fender, so that the influence of the fender on the test ship model in the mooring test remains unchanged. Specifically, the present invention can simulate fenders with different stiffnesses simultaneously through the cooperation of the driving mechanism and the moving mechanism, and can also measure the impact force received by the fender force-measuring assembly through the force sensor, providing a more simple and easy-to-operate fender simulation device for mooring test simulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0024] Figure 1 Structural schematic of the fender simulation device in an embodiment disclosed by the present invention Figure 1 ;

[0025] Figure 2 Structural schematic of the fender simulation device in an embodiment disclosed by the present invention Figure 2 ;

[0026] Figure 3 Structural schematic diagram of the fender force-measuring assembly in an embodiment disclosed by the present invention;

[0027] Figure 4 Structural schematic of the extension plate in an embodiment disclosed by the present invention Figure 1 ;

[0028] Figure 5 Structural schematic of the extension plate in an embodiment disclosed by the present invention Figure 2 ;

[0029] Figure 6 Structural schematic of the mooring test equipment in an embodiment disclosed by the present invention Figure 2 ;

[0030] Figure 7 Structural schematic of the mooring test equipment in an embodiment disclosed by the present invention Figure 2 ;

[0031] Figure 8 Control logic diagram of the fender simulation device in an embodiment disclosed by the present invention;

[0032] Figure 9 Elastic curve of the rubber drum fender, designed fender curve and energy curve diagram in an embodiment disclosed by the present invention.

[0033] Wherein, 1 - servo motor, 2 - slide table, 3 - mounting base, 4 - connecting part, 5 - fender force measuring component, 6 - coupling, 7 - connecting block, 8 - force sensor, 9 - extension plate, 10 - mounting sleeve, 11 - test ship model, 12 - control cabinet, 13 - dock model, 14 - mooring equipment, 15 - flexible cable. Detailed implementation manners

[0034] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0035] The purpose of the present invention is to provide a fender simulation device, mooring test equipment and test method to solve the problems existing in the above-mentioned prior art, which can simulate fenders with different stiffnesses, and when conducting hydrodynamic tests during the simulation of a ship mooring at a dock, can realize the changes of different fender specifications and parameters, and simultaneously measure the fender squeezing force.

[0036] To make the above objects, features and advantages of the present invention more obvious and understandable, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation manners.

[0037] As Figures 1 to 9As shown in the figure, this embodiment provides a fender simulation device, which includes a controller, a fender force measuring component 5 and a driving mechanism; a force sensor 8 for measuring the impact force received by the fender force measuring component 5 is provided on the fender force measuring component 5, and the force sensor 8 is electrically connected to the controller; the output end of the driving mechanism is drivingly connected with a moving mechanism capable of translating along the impact force application direction, and the fender force measuring component 5 is installed on the moving mechanism and translates synchronously with the moving mechanism, so as to realize the simulation of fenders with different non-linear stiffnesses during the test by matching the driving mechanism with the force sensor 8; and the driving component is electrically connected to the controller; the controller is used to calculate the corresponding deformation amount through the reaction force-deformation curve, and is used to convert the deformation amount into the translation amount of the moving mechanism. Considering the variety of fender types, in order to simulate different fenders in the mooring test, the present invention discloses a fender simulation device, which simulates the reaction force-deformation performance of the scaled-down fender on the premise of ensuring unchanged mechanical properties, so that the influence of the fender on the test ship model 11 in the mooring test remains unchanged. Specifically, the present invention can simulate fenders with different stiffnesses at the same time through the cooperation of the driving mechanism and the moving mechanism, and can also measure the impact force received by the fender force measuring component 5 through the force sensor 8, providing a more simple and easy-to-operate fender simulation device for mooring test simulation.

[0038] In a specific embodiment, the force sensor 8 adopts a single-component force sensor, and the force applied by the test ship model 11 to the fender force measuring component 5 along the impact direction, that is, the impact force, is collected through the single-component force sensor, so as to avoid interference from other factors such as friction to the test.

[0039] In a specific embodiment, the fender force measuring component 5 further includes connecting blocks 7 distributed on both sides of the force sensor 8 along the impact force application direction. Both connecting blocks 7 are detachably connected to the force sensor 8. At the moment of impact, one side of the connecting block 7 first contacts the test ship model 11, and the impact force is transmitted to the force sensor 8 through this connecting block 7, and then transmitted to the connecting block 7 on the other side. This connecting block 7 is connected to the moving mechanism. By setting the two connecting blocks 7, the damage to the force sensor 8 is reduced and its service life is extended. In this embodiment, bolt structures are provided on both sides of the force sensor 8, and threaded holes are provided on one side of each of the two connecting blocks 7 close to the force sensor 8. The force sensor 8 and the corresponding connecting block 7 are threadedly fastened through the bolt structure and the threaded hole to ensure no relative slip. Preferably, the force sensor 8 is electrically connected to the controller through a wire, and there is an interval for the wire to pass through between the connecting block 7 and the force sensor 8.

[0040] In a specific embodiment, the driving mechanism uses a servo motor 1. When simulating the curve, the time interval of each execution cycle of the servo motor 1 is less than 10 ms. That is, starting from the moment when the force sensor 8 receives the impact force of the ship, after the controller calculates the distance to be moved, until the servo motor 1 executes the command to reach the specified displacement distance. The moving mechanism includes a slide table 2, a connecting part 4 movably installed on the slide table 2 along the impact force application direction, and a lead screw rotatably installed on the slide table 2. The lead screw is in transmission connection with the output end of the servo motor 1. One end of the connecting part 4 is in rotational cooperation with the lead screw, and the other end extends out of the slide table 2 and is connected to the fender force measuring component 5. The force signal of the fender force measuring component 5 is transmitted to the controller, and the fender deformation at this time is calculated through the reaction force - deformation curve. After converting the deformation, it is transformed into a displacement distance signal in the controller, and then an instruction is sent to the servo motor 1 to drive the servo motor 1 to rotate. When the servo motor 1 rotates, it will drive the lead screw to rotate, thereby driving the connecting part 4 and the fender force measuring component 5 to move, realizing the transformation of the force received by the fender force measuring component 5 into the displacement of the fender force measuring component 5, so as to adjust the horizontal deformation condition of the fender force measuring component 5.

[0041] In this embodiment, the servo motor 1 and the lead screw are fastened by a coupling 6, but it is not limited to being connected by the coupling 6, and other transmission components such as worm and worm gear can also be used.

[0042] In this embodiment, in some cases, the driving mechanism can also use a cylinder or an oil cylinder, etc. The telescopic rod of the cylinder or the oil cylinder is used as the moving mechanism and is connected to the connecting part 4. The connecting part 4 is connected to the fender force measuring component 5 and is electrically connected to the cylinder or the oil cylinder through the controller, so that after the fender force measuring component 5 is stressed, the controller drives the telescopic rod of the cylinder or the oil cylinder to extend and retract by a corresponding displacement.

[0043] In this embodiment, the connecting part 4 is made of a relatively hard material, such as steel, so as to reduce the influence of the deformation of the fender force measuring component 5 on itself after being impacted by the test ship model 11.

[0044] In the embodiment where the connecting blocks 7 are respectively installed on both sides of the force sensor 8, the connecting block 7 on one side of the force sensor 8 is used to bear and transmit the impact force, and the connecting block 7 on the other side is connected to the connecting part 4.

[0045] In a specific embodiment, an extension plate 9 is detachably connected to the force receiving end of the fender force measuring component 5. The extension plate 9 extends horizontally along the direction perpendicular to the impact force application. By setting the extension plate 9, the contact area between the fender force measuring component 5 and the test ship model 11 is increased to simulate the contact between a fender with multiple drums and the ship.

[0046] In this embodiment, the extension plate 9 is made of a relatively hard material, such as steel, so as to reduce the influence of the deformation of the fender force measuring component 5 on itself after being impacted by the test ship model 11.

[0047] In this embodiment, an installation sleeve 10 is provided on one side of the extension plate 9 close to the fender force measuring assembly 5. The installation sleeve 10 is sleeved on the force receiving end of the fender force measuring assembly 5 to ensure that the force receiving end of the fender force measuring assembly 5 receives uniform force, thereby improving the accuracy of the test results.

[0048] Furthermore, a mooring test device is also provided, which includes a dock model 13 and a test ship model 11 docked on one side of the dock model 13. At least one fender simulation device is provided on the side of the dock model 13 close to the test ship model 11. The driving mechanism and the moving mechanism of the fender simulation device are both fixedly installed on the dock model 13. The fender force measuring assembly 5 of the fender simulation device extends out of the dock model 13 and is used to bear the impact force of the test ship model 11, so as to be able to simulate mooring tests.

[0049] In this embodiment, a mounting seat 3 is installed on the platform of the dock model 13. The driving mechanism and the moving mechanism are both detachably connected to the mounting seat 3. The moving mechanism and its corresponding mounting seat 3 extend out of the side of the dock model 13 close to the test ship model 11. The moving mechanism is connected to the fender simulation device through a connecting part 4. An opening for the connecting part 4 to pass through and move along the impact force direction is provided on the mounting seat 3 corresponding to the moving mechanism. The connecting part 4 is in a rod-shaped structure, one end of which is connected to the moving mechanism, and the other end is connected to the fender simulation device after passing through the opening from below to ensure that the fender simulation device can effectively contact the test ship model 11.

[0050] In a specific embodiment, a plurality of mooring devices 14 are also provided on the dock model 13. The mooring devices 14 are located on the side of the fender simulation device away from the test ship model 11 and are evenly distributed along the length direction of the test ship model 11. Flexible cables 15 are connected to the positions of the mooring devices 14 corresponding to the test ship model 11. The mooring of the dock model 13 to the test ship model 11 is completed through the mooring devices 14 and the flexible cables 15.

[0051] Since there are multiple positions for installing fenders at the berth where the ship docks in an actual dock, it is necessary to simultaneously simulate the deformation physical properties and impact forces of multiple fenders. Furthermore, in a specific embodiment, a plurality of fender simulation devices are provided on the side of the dock model 13 close to the test ship model 11, and the fender simulation devices are evenly distributed along the length direction of the test ship model 11.

[0052] In this embodiment, for the test, since the test ship model 11 will collide with multiple fender simulation devices simultaneously, and the midship line of the test ship model 11 does not always coincide with the front direction of the wharf model 13, and sometimes yaw motion will occur. At this time, the impact forces received by each fender simulation device need to be collected synchronously to facilitate the analysis of the maximum impact forces of different fenders at different times. Then, preferably, a control cabinet 12 is installed on the wharf model 13. A controller is connected to the control cabinet 12. Each fender simulation device is simultaneously connected to the control cabinet 12 and is electrically connected to this controller, so that the fender simulation devices are simultaneously connected to the controller to achieve synchronous collection, ensuring the synchronization of the force measurement and deformation simulation of multiple fender simulation devices. And the controller is electrically connected to the upper computer for outputting the time history signal of the force.

[0053] A mooring test method is also provided, including the following steps:

[0054] Preparation before the test: Prepare the wharf model 13, the test ship model 11, multiple mooring devices 14 and multiple fender simulation devices. Fix the driving mechanism and the moving mechanism of each test ship model 11 on the wharf model 13, and extend the fender force measuring component 5 of each test ship model 11 to the side of the wharf model 13 close to the test ship model 11. Fix each mooring device 14 on the wharf model 13 and on the side of the fender simulation device away from the test ship model 11, and connect each mooring device 14 to the corresponding position of the test ship model 11 with a flexible cable 15;

[0055] Start the test: At the moment of impact, the fender force measuring component 5 contacts the test ship model 11. By default, when the fender force measuring component 5 is not impacted, the deformation is ε0, and when it is impacted, the deformation is ε1. At this moment, the measured reaction force is F, and the deformation amount at this time is Δε = ε1 - ε0. There will be different interpolations in different elastic stages to match the reaction force - deformation curve;

[0056] The reaction force signal is transmitted to the controller. The controller calculates the corresponding deformation amount through the reaction force - deformation curve, and after converting the deformation amount into the translation amount of the moving mechanism, issues an instruction to the driving mechanism, and drives the moving mechanism to translate through the driving mechanism. The translation mechanism drives the fender simulation device to translate synchronously to the translation amount.

[0057] The conversion of the controller mainly includes the following content:

[0058] The present invention uses cubic spline interpolation to simulate the relationship between the reaction force and deformation of the fender. According to the number of selected sample points, F fend (ε) is a piecewise cubic polynomial. If F i (ε) represents F fend (ε) in the i-th subinterval [ε i-1 , ε iFor the expression on i F(ε) has the following form:

[0059] F i (ε) = a i + b i ε + c i ε 2 + d i ε 3 ε ∈ [ε i-1 ,ε i

[0060] Then for any deformation variable ε, it can be expressed as F fend (ε) =

[0061]

[0062] For example: For a rubber drum fender with one drum and one board, its elastic curve is as shown by the Figure 9 black curve. It is relatively difficult to completely simulate this curve through the experimental device. Therefore, we use the method of multiple curves for fitting. At different elastic stages, the different reaction forces F n of the fenders are obtained. The finer the stage division, the smaller the error from the theoretical value curve. Before using this device, the theoretical value needs to be obtained first, and this theoretical value is usually obtained from the manuals provided by the manufacturer or industry specifications. Then, the corresponding coefficients (a n , b n , c n , …) a, b, c are the spline curve coefficients. In addition, Figure 9 the red curve in is the designed fender curve, and the blue curve is the energy curve. Among them, for the rubber drum fender with one drum and one board, the designed reaction force = 936 KN, the fender size = 1450 mm, and the designed energy absorption = 596 (kN-M).

[0063] It can be seen from this that the reaction force of the fender force measuring component 5 is a non-linear force. Therefore, this characteristic needs to be considered during the simulation in the experiment. There will be different interpolations at different elastic stages to match the reaction force - deformation curve. Furthermore, after the pressure is measured by the fender force measuring component 5, the signal is transmitted to the controller. The controller converts it into the displacement distance according to the non-linear reaction force - deformation curve, so as to drive the displacement of the fender force measuring component 5 more accurately through the driving mechanism.

[0064] This device can also measure the horizontal torque when the ship impacts the fender. Assume that the bow direction is X, and the direction perpendicular to the bow horizontally is the Y direction, and the Y direction points to the fender direction.

[0065] Due to the provision of multiple fender simulation devices, assume that in Figure 1 ​In the coordinate system, there are a total of K fender simulation devices, and the coordinates of the fender simulation devices are [X1, X2, X3, ..., X K . Ignoring factors such as the friction of the fender force measuring component 5, after the fender force measuring component 5 is compressed, it only generates a force in the Y direction. Therefore, there is:

[0066]

[0067] At the initial moment, the impact force on the fender is 0, that is, ∑F Xfend = 0. The impact force ∑F Xfend of the ship on the fender is equal to the sum of the measured forces of the fender The sum of the torques ∑M XYfend is equal to

[0068] Among them, each fender is an independent mechanism for simulating an elastic curve.

[0069] Adaptations made according to actual needs are all within the protection scope of the present invention.

[0070] This device can not only measure the reaction force of the fender, but also measure the torque of the hull on the fender during rotational motion.

[0071] It should be noted that for those skilled in the art, obviously the present invention is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present invention, the present invention can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0072] Specific examples are used in the present invention to elaborate on the principles and implementation manners of the present invention. The description of the above embodiments is only used to help understand the method and its core idea of the present invention; at the same time, for those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation manners and application scopes. In summary, the content of this specification should not be construed as a limitation of the present invention.

Claims

1. A fender simulation device, characterized in that, It includes a controller, a fender force measuring component, and a driving mechanism; A force sensor for measuring the impact force received by the fender force measuring component is provided on the fender force measuring component, and the force sensor is electrically connected to the controller; The output end of the driving mechanism is drivingly connected to a moving mechanism capable of translating along the impact force application direction. The fender force measuring component is installed on the moving mechanism and translates synchronously with the moving mechanism; and the driving component is electrically connected to the controller; The controller is used to calculate the corresponding deformation amount through the reaction force-deformation curve and is used to convert the deformation amount into the translation amount of the moving mechanism.

2. The fender simulation device according to claim 1, characterized in that, The force sensor adopts a single-component force sensor.

3. The fender simulation device according to claim 2, characterized in that, The fender force measuring component further includes connecting blocks distributed on both sides of the force sensor along the impact force application direction, and both connecting blocks are detachably connected to the force sensor.

4. The fender simulation device according to claim 1, characterized in that The driving mechanism adopts a servo motor. The moving mechanism includes a sliding table, a connecting part movably installed on the sliding table along the impact force application direction, and a lead screw rotatably installed on the sliding table. The lead screw is drivingly connected to the output end of the servo motor. One end of the connecting part is rotationally matched with the lead screw, and the other end extends out of the sliding table and is connected to the fender force measuring component.

5. The fender simulation device according to claim 1, characterized in that A lengthening plate is detachably connected to the force receiving end of the fender force measuring component, and the lengthening plate extends horizontally in a direction perpendicular to the impact force application direction.

6. The fender simulation device according to claim 5, characterized in that, An installation sleeve is provided on one side of the lengthening plate close to the fender force measuring component, and the installation sleeve is sleeved on the force receiving end of the fender force measuring component.

7. A mooring test device, characterized in that, It includes a dock model and a test ship model docked on one side of the dock model; at least one fender simulation device as described in any one of claims 1 to 6 is provided on the side of the dock model close to the test ship model. The driving mechanism and the moving mechanism of the fender simulation device are both fixedly installed on the dock model, and the fender force measuring component of the fender simulation device extends out of the dock model and is used to bear the impact force of the test ship model.

8. The mooring test equipment according to claim 7, characterized in that A plurality of mooring devices are further provided on the dock model. The mooring devices are located on the side of the fender simulation device away from the test ship model and are evenly distributed along the length direction of the test ship model. Flexible cables are connected to the corresponding positions of the test ship model at each mooring device.

9. The mooring test equipment according to claim 8, characterized in that, A plurality of the fender simulation devices are provided on the side of the dock model close to the test ship model, and each fender simulation device is evenly distributed along the length direction of the test ship model.

10. A mooring test method using the mooring test equipment as described in any one of claims 7 to 9, characterized in that, It includes the following steps: Preparation before the test: Prepare a dock model, a test ship model, a plurality of mooring devices, and a plurality of fender simulation devices. Fix the driving mechanism and the moving mechanism of each test ship model on the dock model, and the fender force measuring component of each test ship model extends out of the dock model on the side close to the test ship model. Fix each mooring device on the dock model and locate it on the side of the fender simulation device away from the test ship model, and connect each mooring device to the corresponding position of the test ship model with a flexible cable; Opening test: At the moment of impact, the fender force measurement component contacts the test ship model. By default, when the fender force measurement component is not impacted, its deformation is ε0, and when it is impacted, its deformation is ε1. At this moment, the measured reaction force is F, and the deformation amount at this time is Δε = ε1 - ε0. There are different interpolations in different elastic stages to match the reaction force-deformation curve; The reaction force signal is transmitted to the controller. The controller calculates the corresponding deformation amount through the reaction force-deformation curve, converts the deformation amount into the translation amount of the moving mechanism, and then issues an instruction to the driving mechanism. The driving mechanism drives the moving mechanism to translate, and the translation mechanism drives the fender simulation device to translate synchronously to the translation amount.

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