Cuttlefish sucker-imitated in-situ environment suction metering platform

Abstract

The utility model relates to the technical field of ocean bionic engineering, and discloses a cuttlefish-imitating sucker in-situ environment suction metering platform which comprises a supporting frame, a vertical transmission mechanism and a spring force measuring device, the interior of the supporting frame is connected with the vertical transmission mechanism, and the vertical transmission mechanism is limited in the horizontal direction; the spring force measuring device is located under the vertical transmission mechanism and fixed to the supporting frame through bolts. The force measuring device abandons an electric signal sensor which is not resistant to underwater high pressure, and adopts a spring force measuring structure which is simple and compact in structure, so that the stability, durability and environmental adaptability under complex sea conditions of the suction metering platform are greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of marine bionics, in particular to an in-situ environmental suction force measurement platform for imitating cuttlefish suckers. Background Technique

[0002] The suckers of cuttlefish have powerful adsorption ability and excellent environmental adaptability. Their structure and function are the result of highly optimized in nature. The research on imitating cuttlefish suckers aims to mimic this natural biological phenomenon to develop devices and materials with high adsorption ability and strong environmental adaptability in industrial, medical and other application fields.

[0003] With the continuous in-depth understanding of cuttlefish suckers, the research on imitating cuttlefish suckers mainly tends to two parts. One part starts from the imitated cuttlefish suckers themselves and conducts research on multi-scale structures, flexible material selection and elastic calculation theories. The other part focuses on the effective measurement and evaluation of the adsorption force of imitated cuttlefish suckers to improve the adsorption performance of imitated cuttlefish suckers. However, in the aspect of measuring the suction force of imitated cuttlefish suckers, the following challenges and problems are still faced:

[0004] 1. At present, most of the suction force measurements of imitated cuttlefish suckers are carried out in the laboratory environment, while the real cuttlefish suckers perform best in the marine water environment. Conventional laboratory platforms are difficult to simulate the in-situ marine environmental conditions, including water pressure, water temperature and water quality, etc.

[0005] 2. Measuring the suction force of imitated cuttlefish suckers in the in-situ environment requires overcoming the high-pressure marine environment, and current micro sensors are generally not suitable for the high-pressure marine environment, which makes it difficult to measure the adsorption force of imitated cuttlefish suckers in the in-situ marine environment with electrical signal sensors.

[0006] 3. Measuring the adsorption force performance of imitated cuttlefish suckers involves mechanical structures, electrical control, image recognition and other contents. Measuring the suction force of suckers for different adsorption materials in the in-situ marine environment at different depths and different sea conditions puts forward high requirements for the stability, repeatability and durability of the measurement platform. At present, there is no relevant comprehensive experimental platform to meet the measurement requirements. Content of the Utility Model

[0007] The purpose of the utility model is to solve the technical problems put forward in the above background technique.

[0008] The utility model adopts the following technical scheme: An in-situ environmental suction force measurement platform for imitating cuttlefish suckers, including a support frame, a vertical transmission mechanism and a spring force measuring device. The inside of the support frame is connected to the vertical transmission mechanism and limits the vertical transmission mechanism in the horizontal direction. The spring force measuring device is located directly below the vertical transmission mechanism and is fixed to the support frame by bolts.

[0009] As a preferred technical solution, the support frame includes a deep-water pressure-resistant motor, a cover plate, and a housing. The deep-water pressure-resistant motor is located at the center of the cover plate and is fixed to the cover plate by bolts. The cover plate and the housing are made of transparent materials. Wherein, the housing is provided with housing water-permeable holes.

[0010] As a preferred technical solution, the vertical transmission mechanism includes an optical axis, a lead screw, an elastic clip, and a suction cup, wherein:

[0011] There are four optical axes, which respectively pass through the elastic clip, and one end is connected to the cover plate, and the other end is connected to the spring force measuring device. The four optical axes limit the elastic clip in the horizontal direction and at the same time ensure that the elastic clip moves up and down in the vertical direction;

[0012] One end of the lead screw is connected to the shaft of the deep-water pressure-resistant motor, and the other end passes through the threaded hole in the center of the elastic clip;

[0013] The elastic clip is divided into a sliding plate part and an elastic clamping part. The center of the sliding plate part has a threaded hole, and the four corners have light holes. The lead screw passes through the threaded hole, and the four optical axes respectively pass through the four light holes; the elastic clamping part consists of two left and right petals, with a circular through hole in the middle, and the clamping of an object is realized through the deformation force generated by the two left and right petals and the limitation of the circular through hole;

[0014] The suction cup is made of flexible silicone material. The solid rod above is clamped and fixed by the elastic clip, and the hollow part below is suspended for adsorbing an object.

[0015] As a preferred technical solution, the spring force measuring device includes an "I"-shaped suction plate, a scale column, a scale marking ring, and a spring, wherein:

[0016] The scale column is made of transparent pressure-resistant material with a hollow center. Uniform scale lines are engraved on the outer wall surface of the scale column. The base of the scale column is fixedly connected to the housing by bolts, and the four corners are in interference fit with the four optical axes respectively. Scale column water-permeable holes are provided on the wall surface of the scale column;

[0017] The "I"-shaped suction plate is made of transparent pressure-resistant material. The lower part is located in the cavity of the scale column and is in clearance fit with the inner wall of the cavity. The lower surface of the "I"-shaped suction plate is connected to the spring, and various materials can be pasted on the upper surface for testing the adsorption force of the suction cup on different materials;

[0018] The scale marking ring is made of self-lubricating elastic material and is in transitional fit with the inner wall surface of the scale column and is located in the middle of the "I"-shaped suction plate. When the "I"-shaped suction plate moves upward, it drives the scale column to move synchronously;

[0019] The spring is located in the cavity of the scale column. The bottom of the spring is fixedly connected to the bottom of the cavity of the scale column, and the top of the spring is fixedly connected to the lower surface of the "I"-shaped suction plate. The spring is calibrated by a force sensor before installation.

[0020] The present utility model also provides a method for measuring the suction force of an imitation cuttlefish sucker in the in-situ environment, which includes the following steps:

[0021] S1. After removing the sucker, the elastic clip can be bonded to the "I"-shaped suction plate. Immerse the suction force measurement platform in water, continuously apply an upward pulling force to the tension sensor and record the scale and reading to complete the calibration of the scale column.

[0022] S2. After the suction force measurement platform is fixed to the repeater and lowered to the predetermined ocean water level with the repeater, turn on the deep-water pressure-resistant motor. The lead screw drives the elastic clip and the sucker to move vertically downward at a constant speed. The camera located outside the support frame observes the position of the sucker in real time, and the lighting lamp located outside the support frame provides illumination for the suction force measurement platform.

[0023] S3. After the sucker contacts the upper surface of the "I"-shaped suction plate, it deforms under the upward spring force and the downward pressure of the elastic clip, and a negative pressure is formed in the sucker cavity.

[0024] S4. Control the deep-water pressure-resistant motor to rotate in the reverse direction. The lead screw drives the elastic clip and the sucker to move vertically upward at a constant speed. Since the sucker generates a suction force on the upper surface of the "I"-shaped suction plate, the "I"-shaped suction plate moves vertically upward simultaneously with the sucker, driving the scale identification ring to move upward, and the spring is stretched upward.

[0025] S5. During the stretching process of the spring, when the suction force of the sucker and the spring tension reach the critical balance point, the sucker detaches from the upper surface of the "I"-shaped suction plate. At this time, the spring and the "I"-shaped suction plate return downward. Due to the friction between the scale identification ring and the inner wall of the scale column, it stays at the maximum scale it reaches. The camera records the scale change of the whole process to complete the suction force measurement of the imitation cuttlefish sucker.

[0026] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:

[0027] 1. In the present utility model, the in-situ environment suction force measurement platform for the imitation cuttlefish sucker can directly measure the adsorption force of the imitation cuttlefish sucker in the in-situ ocean environment. The camera can observe the deformation process of the sucker in real time through the support frame made of transparent material.

[0028] 2. In the present utility model, the force measuring device abandons the electrical signal sensor that is not resistant to underwater high pressure and uses a simple and compact spring force measuring structure, which greatly improves the stability, durability and environmental adaptability of the suction force measurement platform in complex sea conditions.

[0029] 3. In the present utility model, the adsorbed surface in the suction force measurement platform can be replaced with different materials to obtain more comprehensive adsorption force data of the imitation cuttlefish sucker in the in-situ ocean environment. This greatly improves the scalability of the suction force measurement platform. Description of the Drawings

[0030] Figure 1 A three-dimensional sectional view of a suction force measurement platform for an in-situ environment imitating a cuttlefish sucker proposed by the present utility model;

[0031] Figure 2 A suction force measurement platform for an in-situ environment imitating a cuttlefish sucker proposed by the present utility model Figure 1 The three-dimensional schematic diagram of the elastic clip in it;

[0032] Figure 3 A three-dimensional schematic diagram of a suction force measurement platform for an in-situ environment imitating a cuttlefish sucker installed on a repeater;

[0033] Figure 4 A schematic diagram of the principle for calibrating the scale column of a suction force measurement platform for an in-situ environment imitating a cuttlefish sucker proposed by the present utility model before measurement;

[0034] Figure 5 The first stage of measurement of a suction force measurement platform for an in-situ environment imitating a cuttlefish sucker in the marine in-situ environment proposed by the present utility model;

[0035] Figure 6 The second stage of measurement of a suction force measurement platform for an in-situ environment imitating a cuttlefish sucker in the marine in-situ environment proposed by the present utility model;

[0036] Figure 7 The third stage of measurement of a suction force measurement platform for an in-situ environment imitating a cuttlefish sucker in the marine in-situ environment proposed by the present utility model;

[0037] Figure 8 The fourth stage of measurement of a suction force measurement platform for an in-situ environment imitating a cuttlefish sucker in the marine in-situ environment proposed by the present utility model;

[0038] Legend:

[0039] 1. Support frame; 11. Deep-water pressure-resistant motor; 12. Cover plate; 13. Shell; 130. Shell water-permeable hole; 2. Vertical transmission mechanism; 21. Optical axis; 22. Lead screw; 23. Elastic clip; 24. Sucker; 3. Spring force measuring device; 31. "I"-shaped suction plate; 32. Scale column; 320. Scale column water-permeable hole; 33. Scale marking ring; 34. Spring; 4. Suction force measurement platform; 5. Lighting lamp; 6. Camera; 7. Repeater. Specific implementation manners

[0040] In the description, claims and the above drawings of the present utility model, terms such as "first", "second", "third", "fourth", etc. (if any) are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that such data used may be interchangeable under appropriate circumstances, so that the embodiments described herein can be implemented in an order different from that shown or described herein. In addition, the term "comprising" or "having" and any variation thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units does not necessarily limit to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0041] Combined with Figure 1 、 Figure 2 and Figure 3As shown in the figure, a suction force measurement platform for in-situ environment imitating cuttlefish suckers provided by the present utility model includes a support frame 1, a vertical transmission mechanism 2, and a spring force measuring device 3. The inside of the support frame 1 is connected to the vertical transmission mechanism 2 and limits the vertical transmission mechanism 2 in the horizontal direction. The spring force measuring device 3 is located directly below the vertical transmission mechanism 2 and is fixed to the support frame 1 by bolts. The support frame 1 includes a deep-water pressure-resistant motor 11, a cover plate 12, and a housing 13. The deep-water pressure-resistant motor 11 is located at the center of the cover plate 12 and is fixed to the cover plate 12 by bolts. The cover plate 12 and the housing 13 are made of transparent materials, and the housing 13 is provided with housing water-permeable holes 130. The vertical transmission mechanism 2 includes a light shaft 21, a lead screw 22, an elastic clip 23, and a sucker 24. There are four light shafts 21, which respectively pass through the elastic clip 23, one end is connected to the cover plate 12, and the other end is connected to the spring force measuring device 3. The four light shafts 21 limit the elastic clip 23 in the horizontal direction and at the same time ensure that the elastic clip 23 moves up and down in the vertical direction. One end of the lead screw 22 is connected to the shaft of the deep-water pressure-resistant motor 11, and the other end passes through the threaded hole 232 at the center of the elastic clip 23. The elastic clip 23 is divided into a sliding plate part 230 and an elastic clamping part 231. The center of the sliding plate part 230 has a threaded hole 232, and there are light holes 233 at the four corners. The lead screw 22 passes through the threaded hole 232, and the four light shafts 21 respectively pass through the four light holes 233. The elastic clamping part 231 is composed of two left and right petals, with a circular through-hole 234 in the middle, and the clamping of an object is realized through the deformation force generated by the two left and right petals and the limitation of the circular through-hole 234. The sucker 24 is made of flexible silicone material. The solid rod above is clamped and fixed by the elastic clip 23, and the lower cavity part is suspended for adsorbing an object. The spring force measuring device 3 includes an "I"-shaped suction plate 31, a scale column 32, a scale marking ring 33, and a spring 34. The scale column 32 is a transparent pressure-resistant material with a hollow center. Uniform scale lines are engraved on the outer wall surface of the scale column 32. The base of the scale column is fixedly connected to the housing 13 by bolts, and the four corners are respectively in interference fit with the four light shafts 21. Scale column water-permeable holes 320 are opened on the wall surface of the scale column. The "I"-shaped suction plate 31 is made of transparent pressure-resistant material, and the lower part is located in the cavity of the scale column 32 and is in clearance fit with the inner wall of the cavity. The lower surface of the "I"-shaped suction plate 31 is connected to the spring, and various materials can be pasted on the upper surface for testing the adsorption force of the sucker 24 on different materials. The scale marking ring 33 is made of self-lubricating elastic material and is in transition fit with the inner wall surface of the scale column 32 and is located in the middle of the "I"-shaped suction plate 31. When the "I"-shaped suction plate 31 moves upward, it drives the scale column 32 to move synchronously. The spring 34 is located in the cavity of the scale column 32. The bottom of the spring 34 is fixedly connected to the bottom of the scale column cavity, and the top of the spring 34 is fixedly connected to the lower surface of the "I"-shaped suction plate 31. The spring 34 is calibrated by a force sensor before installation.

[0042] In the solution of this utility model, through the integrated spring force measuring device (3), the adsorption force of the imitation cuttlefish sucker (24) under different materials and environments can be accurately measured. The spring force measuring device, combined with the uniform scale lines on the scale column (32), makes the measurement results intuitive and accurate.

[0043] In the solution of this utility model, the clearance fit design between the "I"-shaped suction plate (31) and the scale column (32), as well as the transition fit of the scale marking ring (33), ensure the stability and accuracy of the measurement.

[0044] In the solution of this utility model, the combination of the support frame (1) and the vertical transmission mechanism (2), through the design of the optical axis (21) and the lead screw (22), not only realizes the horizontal limit and vertical transmission of the elastic clamp (23), but also ensures the stability and flexibility of the whole system.

[0045] In the solution of this utility model, the design of the elastic clamp (23) allows it to clamp objects of different sizes through the deformation force and the limit of the circular through-hole (234), increasing the versatility and adaptability of the platform. The equipped deep-water pressure-resistant motor (11) ensures that the platform can still work normally in deep sea or high-pressure environments, broadening the application scenarios of the platform, and is particularly suitable for fields such as ocean engineering and deep-sea exploration. The design of the whole platform takes into account the convenience of operation. Through simple motor drive, the vertical movement of the vertical transmission mechanism can be realized, and then the suction force of the sucker can be measured. The addition of the lighting lamp (5) facilitates the use of the platform in low-light or dark environments, ensuring the visibility and accuracy of the measurement process. The design of the platform adopts the modular idea, and each component is relatively independent, which is convenient for maintenance and replacement. For example, the spring force measuring device (3) can be disassembled and calibrated separately, improving the reliability and maintainability of the equipment.

[0046] Combined Figures 4 - 8 As shown, a method for measuring the in-situ environment of an imitation cuttlefish sucker of this utility model includes the following steps:

[0047] S1. After removing the sucker 24, the elastic clamp 23 and the "I"-shaped suction plate 31 can be bonded. Immerse the suction force measurement platform in water, continuously apply an upward pulling force to the tension sensor 8 and record the scale and reading to complete the calibration of the scale column 32.

[0048] S2. After the suction force measurement platform is fixed to the repeater 7 and lowered to the predetermined water level in the ocean with the repeater 7, turn on the deep-water pressure-resistant motor 11. The lead screw 22 drives the elastic clamp 23 and the sucker 24 to move vertically downward at a constant speed. The camera 6 located outside the support frame observes the position of the sucker 24 in real time, and the lighting lamp 5 located outside the support frame provides illumination for the suction force measurement platform.

[0049] S3. After the suction cup 24 contacts the upper surface of the "I"-shaped suction plate 31, it deforms under the upward spring force and the downward pressure of the elastic clamp 23, and a negative pressure is formed in the suction cup cavity.

[0050] S4. Control the deep-water pressure-resistant motor 11 to rotate in the reverse direction. The lead screw 22 drives the elastic clamp 23 and the suction cup 24 to move vertically upward at a constant speed. Since the suction cup 24 generates a suction force on the upper surface of the "I"-shaped suction plate 31, the "I"-shaped suction plate 31 moves vertically upward simultaneously with the suction cup, and drives the scale identification ring 33 to move upward. The spring 34 is stretched upward.

[0051] S5. During the stretching process of the spring 34, when the suction force of the suction cup 24 and the pulling force of the spring 34 reach the critical balance point, the suction cup 24 detaches from the upper surface of the "I"-shaped suction plate 31. At this time, the spring 34 and the "I"-shaped suction plate 31 return downward. Due to the friction between the scale identification ring 33 and the inner wall of the scale column 32, it stays at the maximum scale it reaches.

[0052] Working principle: Before measuring the suction force of the imitated cuttlefish suction cup, first remove the suction cup 24, bond the elastic clamp 23 to the "I"-shaped suction plate 31, immerse the suction force measurement platform in water, continuously apply an upward pulling force to the tensile sensor 8 and record the scale and reading to complete the calibration of the scale column 32; after fixing the suction force measurement platform to the repeater 7, lower it to the predetermined ocean water level together with the repeater 7 with the optoelectronic composite cable, turn on the deep-water pressure-resistant motor 11, and the lead screw 22 drives the elastic clamp 23 and the suction cup 24 to move vertically downward at a constant speed. The camera 6 located outside the support frame observes the position of the suction cup 24 in real time, and the lighting lamp 5 located outside the support frame provides illumination for the suction force measurement platform; when the downward-moving suction cup 24 contacts the upper surface of the "I"-shaped suction plate 31, it deforms under the upward spring force and the downward pressure of the elastic clamp 23, and a negative pressure is formed in the suction cup cavity; control the deep-water pressure-resistant motor 11 to rotate in the reverse direction, the lead screw 22 drives the elastic clamp 23 and the suction cup 24 to move vertically upward at a constant speed. Since the suction cup 24 generates a suction force on the upper surface of the "I"-shaped suction plate 31, the "I"-shaped suction plate 31 moves vertically upward simultaneously with the suction cup, and drives the scale identification ring 33 to move upward. The spring 34 is stretched upward; during the stretching process of the spring 34, when the suction force of the suction cup 24 and the pulling force of the spring 34 reach the critical balance point, the suction cup 24 detaches from the upper surface of the "I"-shaped suction plate 31. At this time, the spring 34 and the "I"-shaped suction plate 31 return downward. Due to the friction between the scale identification ring 33 and the inner wall of the scale column 32, it stays at the maximum scale it reaches. The camera 6 records the scale change of the whole process to complete the suction force measurement of the imitated cuttlefish suction cup.

[0053] As described above, the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A cuttlefish-like suction cup in-situ environmental suction force measurement platform, characterized in that: The metering platform comprises a support frame (1), a vertical transmission mechanism (2) and a spring force measuring device (3); the support frame (1) is internally connected to the vertical transmission mechanism (2) and limits the vertical transmission mechanism (2) in the horizontal direction; the spring force measuring device (3) is located directly below the vertical transmission mechanism (2) and is fixed to the support frame (1) by bolts.

2. The in-situ environmental suction force measurement platform for imitating cuttlefish suckers according to claim 1 is characterized in that: The metering platform also includes a lighting lamp (5), which is located outside the supporting frame and provides lighting for the metering platform.

3. The in-situ environmental suction force measurement platform for imitating cuttlefish suckers according to claim 1 is characterized in that: The support frame (1) comprises a cover plate (12) and a shell (13); a deep-water pressure-resistant motor (11) is arranged at the center of the cover plate (12) and is fixed to the cover plate (12) by bolts; the deep-water pressure-resistant motor (11) is used to drive the vertical transmission mechanism (2).

4. The in-situ environmental suction force measurement platform for imitating cuttlefish suckers according to claim 3 is characterized in that: The cover plate (12) and the shell (13) are made of transparent materials, wherein a shell water-permeable hole (130) is opened on the shell (13).

5. The in-situ environmental suction force measurement platform for imitating cuttlefish suckers according to claim 4 is characterized in that: The metering platform further comprises a camera (6), wherein the camera (6) is located outside the supporting frame, and the camera (6) observes the metering process through the cover plate (12) and the housing (13).

6. The in-situ environmental suction force measurement platform for imitating cuttlefish suckers according to claim 3 is characterized by: The vertical transmission mechanism (2) comprises an optical axis (21), a screw rod (22), an elastic clamp (23) and a suction cup (24), wherein: There are four optical axes (21), each of which passes through the elastic clip (23), and one end of which is connected to the cover plate (12) and the other end of which is connected to the spring force measuring device (3). The four optical axes (21) limit the elastic clip (23) in the horizontal direction and ensure that the elastic clip (23) moves up and down in the vertical direction. One end of the screw rod (22) is connected to the shaft of the deep-water pressure-resistant motor (11), and the other end passes through the threaded hole (232) in the center of the elastic clamp (23); The elastic clamp (23) is divided into a sliding plate part (230) and an elastic clamping part (231); the sliding plate part (230) has a threaded hole (232) at the center and light holes (233) at four corners; the screw rod (22) passes through the threaded hole (232), and the four optical axes (21) pass through the four light holes (233) respectively; the elastic clamping part (231) is composed of two left and right lobes, and has a circular through hole (234) in the middle; the object is clamped by the deformation force generated by the left and right lobes and the limiting of the circular through hole (234); The solid rod above the suction cup (24) is clamped and fixed by an elastic clamp (23), and the hollow portion below is suspended in the air for adsorbing objects.

7. The in-situ environmental suction force measurement platform for imitating cuttlefish suckers according to claim 6, characterized in that: The spring force measuring device (3) comprises an I-shaped suction plate (31), a scale column (32), a scale identification ring (33) and a spring (34), wherein: The outer wall of the graduated column (32) is engraved with uniform graduated lines, the graduated column base is fixedly connected to the housing (13) by bolts, the four corners are respectively interference fit with the four optical axes (21), and the graduated column wall is provided with a graduated column water permeable hole (320); The "I"-shaped suction plate (31) is located below the cavity of the scale column (32) and is in clearance with the inner wall of the cavity. The lower surface of the "I"-shaped suction plate (31) is connected to a spring, and the material pasted on the upper surface is used to test the adsorption force of the suction cup (24) on different materials. The scale marking ring (33) is transitionally matched with the inner wall surface of the scale column (32) and is located in the middle of the "I"-shaped suction plate (31). When the "I"-shaped suction plate (31) moves upward, it drives the scale column (32) to move synchronously; The spring (34) is located in the cavity of the scale column (32), the bottom of the spring (34) is fixedly connected to the bottom of the scale column cavity, and the top of the spring (34) is fixedly connected to the lower surface of the "I"-shaped suction plate (31).

8. The in-situ environmental suction force measurement platform for imitating cuttlefish suckers according to claim 7, characterized in that: The metering platform also includes a tension sensor (8), and the spring (34) is calibrated by the force sensor (8) before installation.

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