Oceanographic equipment bottom marker retrieval device

Abstract

The application discloses a marine instrument equipment sunken position marker fishing device, which comprises a shell, a clamping elastic component, a fixed magnet, a floating marker floating ball, a long line and a counterweight, wherein the shell is a sphere, and an opening is arranged at the top of the shell; a floating ball cavity, an exchange cavity, a first cavity and a second cavity are arranged in the shell, the floating ball cavity is located in the center of the shell, the first cavity and the second cavity are arranged on the two sides of the floating ball cavity respectively, the exchange cavity is arranged at the bottom of the floating ball cavity and is independent of the floating ball cavity, an exchange hole is arranged between the exchange cavity and the second cavity, the exchange cavity is provided with a water injection hole which is communicated with the outside, and the clamping elastic component is arranged on the two sides of the inner wall of the floating ball cavity. Therefore, the sunken position of the marine instrument can be accurately marked without relying on other ways; meanwhile, the fishing process can be simplified, the fishing can be completed through simple connection, the labor cost, equipment cost and time cost are reduced, and the loss of marine data in the instrument is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of ocean salvage, and in particular to a device for marking and salvaging the position of ocean equipment on the seabed. BACKGROUND

[0002] In ocean observation, exploration and development activities, a large number of precise and expensive instruments and equipment need to be placed at a specified depth or area under water for work. Due to the complex and changeable ocean environment, the equipment often loses connection with the working mother ship on the water surface due to reasons such as breakage of the mooring cable, failure of the connecting mechanism, impact of the sea current or human operation errors, and then sinks into the seabed. After such an accident occurs, it is difficult to determine the precise position of the equipment on the seabed, which brings great difficulties to the search and salvage work.

[0003] The traditional search and salvage method mainly relies on sonar scanning, underwater robot (ROV) search, etc. These methods not only have complex technology, long time-consuming, but also have extremely high cost, and the success rate is greatly affected by factors such as seabed topography and hydrological conditions. In addition, even if the position is roughly determined through the above-mentioned methods, divers or large salvage equipment are still needed for salvage, which not only has a cumbersome operation process and a long time-consuming, but also is limited by conditions such as water depth and sea conditions, resulting in a sharp increase in salvage difficulty, and high human, equipment and time costs. SUMMARY

[0004] The present application aims to at least partly solve one of the technical problems in the related art.

[0005] To this end, one object of the present application is to provide a device for marking and salvaging the position of ocean equipment on the seabed, which can accurately mark the position of the ocean equipment on the seabed without relying on other methods, and can simplify the salvage process, complete the salvage through simple connection, reduce the human, equipment and time costs, and avoid the loss of ocean data in the equipment.

[0006] To achieve the above object, the first aspect of the present application provides a device for marking and salvaging the position of ocean equipment on the seabed, comprising a shell, a clamping spring part, a fixed magnet, a floating marker float, a long line and a counterweight, wherein the shell is a sphere, and an opening is provided at the top of the shell; the shell is internally provided with a float cavity, an exchange cavity, a first cavity and a second cavity, wherein the float cavity is located at the center of the shell, and the first cavity and the second cavity are respectively arranged on both sides of the float cavity; the exchange cavity is arranged at the bottom of the float cavity and is independent of the float cavity; an exchange hole is arranged between the exchange cavity and the second cavity, and a water injection hole communicating with the outside is further provided in the exchange cavity; clamping spring parts are arranged on both sides of the inner wall of the float cavity, and a fixed magnet is installed at the bottom of the float cavity; the fixed magnet is connected with the floating marker float in the float cavity through a long line; a counterweight is installed at the bottom of the exchange cavity, and a connecting ring is arranged at the bottom of the shell.

[0007] The ocean instrument equipment sunken position marker fishing device can accurately mark the sunken position of the ocean instrument, does not need to rely on other ways, can simplify the fishing process, can complete fishing through simple connection, reduces the labor, equipment and time cost, and avoids the loss of ocean data in the instrument.

[0008] In addition, the ocean instrument equipment sunken position marker fishing device can have the following additional technical features.

[0009] In an embodiment of the present application, the second cavity is divided into a sliding cavity and a trigger cavity by an arc-shaped plate; the sliding cavity is adjacent to the outside of the shell, and the sliding cavity is configured to accommodate an arc-shaped sliding cover; and the exchange cavity and the trigger cavity are communicated through an exchange hole.

[0010] In an embodiment of the present application, one end of an elastic rope is connected to the inner end of the sliding cavity, and the other end of the elastic rope is connected to the arc-shaped sliding cover; the arc-shaped sliding cover is provided with a trigger component, and the coverage area of the arc-shaped sliding cover is greater than the area of the opening.

[0011] In an embodiment of the present application, a plurality of small floats are arranged in the trigger cavity, and two adjacent small floats are connected by a connecting rope; the top of the trigger cavity is provided with an arc-shaped float, the tip of the arc-shaped float is a tapered cone with an arc, and the top of the arc-shaped float is smoothly connected to one side surface; one end of a spring rope is connected to the other side surface of the arc-shaped float, and the other end of the spring rope is connected to the top of the trigger cavity.

[0012] In an embodiment of the present application, the long line is configured to be able to penetrate into an external fishing block after the floating marker float ball is removed, so as to slide the fishing block into the inside of the float ball cavity and be clamped with the elastic clamp.

[0013] In an embodiment of the present application, the elastic clamp includes an elastic clamp and a spring, wherein the top of the elastic clamp is rotationally connected to the float ball cavity; one end of the spring is connected to the inner wall of the float ball cavity, and the other end of the spring is connected to the back surface of the elastic clamp; two limiting plates are fixedly connected in the float ball cavity, and the two limiting plates limit the distance between the two elastic clamps.

[0014] In an embodiment of the present application, a circular hole is arranged in the middle of the fishing block, and a magnetic block is arranged at the bottom of the fishing block.

[0015] Compared with the prior art, the present application has at least the following beneficial effects:

[0016] 1. Through the mechanical trigger structure, the position mark can be realized without relying on external complex electronic instruments. When the instrument sinks to the bottom, the device sinks with the instrument. In this process, seawater enters the exchange cavity through the water injection hole

[0017] The small float in the trigger cavity rises with the water level and presses the arc-shaped float. When the arc-shaped float reaches the set water level (i.e. the set time), it touches the trigger component and releases the marking float ball. The float ball rises to the water surface by buoyancy and is stably connected to the underwater device (and instrument equipment) through the long line, directly marking the sinking position. The whole process is automatically completed and is not affected by factors such as instrument power failure or signal interference, with high marking accuracy and direct position guidance for salvage work.

[0018] 2. Through the salvage block, the marking float ball can be quickly slid into the device float ball cavity through the long line. The magnetic block at the bottom of the salvage block is magnetically attracted to the fixed magnet inside the device, and the left and right elastic clamps in the float ball cavity clamping groove can fix the salvage block, realizing the stable connection of the salvage rope and the underwater device. Without the need for divers to dive or large and complex salvage equipment, the connection and salvage can be completed through water surface operation, simplifying the salvage process, shortening the salvage time, and reducing manpower.

[0019] 3. Through precise position marking and convenient salvage function, the device can significantly improve the recovery rate of lost ocean instrument equipment, reduce the asset loss of expensive instrument equipment, and reduce the hardware investment cost of ocean engineering; the stored ocean observation data in the instrument equipment can be maximized, avoiding the delay of ocean-related engineering due to data loss.

[0020] Additional aspects and advantages of the present application will be in part apparent and in part pointed out hereinafter. BRIEF DESCRIPTION OF DRAWINGS

[0021] The above and / or additional aspects and advantages of the present application will become apparent and be readily appreciated from the following description, including the accompanying drawings, in which:

[0022] Figure 1 Structure diagram of the ocean instrument equipment sinking position mark salvage device of the present application;

[0023] Figure 2 Structure diagram of the salvage block of the ocean instrument equipment sinking position mark salvage device of the present application;

[0024] Figure 3 Structure diagram of the round hole of the ocean instrument equipment sinking position mark salvage device of the present application;

[0025] Figure 4Structure diagram of the fishing device for the seabed position marker of the marine instrument equipment of the application.

[0026] As shown in the figure: 1, arc-shaped sliding cover; 2, floating marker float ball; 3, long line; 4, counterweight; 5, exchange cavity; 6, shell; 7, first cavity; 8, elastic spring; 9, water injection hole; 10, connecting ring; 11, elastic rope; 12, trigger part; 13, fixed magnet; 14, exchange hole; 15, connecting rope; 16, elastic clip; 17, float ball cavity; 18, second cavity; 19, small float; 20, spring rope; 21, arc-shaped float; 22, round hole; 23, fishing block. DETAILED DESCRIPTION

[0027] The embodiments of the application are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the application, and cannot be understood as a limitation of the application.

[0028] The fishing device for the seabed position marker of the marine instrument equipment of the embodiments of the application is described below in conjunction with the accompanying drawings.

[0029] The fishing device for the seabed position marker of the marine instrument equipment provided by the embodiments of the application can be widely applied to various marine observation, seabed geological exploration, marine environment monitoring and underwater engineering equipment deployment and recovery.

[0030] As Figure 1 shown, the fishing device for the seabed position marker of the marine instrument equipment of the embodiments of the application can include a shell 6, a clamping elastic part, a fixed magnet 13, a floating marker float ball 2, a long line 3 and a counterweight 4.

[0031] The shell 6 is a sphere, and an opening is arranged at the top of the shell 6. It can be understood that the opening is used for the floating marker float ball 2 to enter and exit the shell 6.

[0032] The shell 6 is internally provided with a float ball cavity 17, an exchange cavity 5, a first cavity 7 and a second cavity 18.

[0033] The float ball cavity 17 is located at the center of the shell 6, and the first cavity 7 and the second cavity 18 are respectively arranged on the two sides of the float ball cavity 17; the exchange cavity 5 is arranged at the bottom of the float ball cavity 17 and is independent of the float ball cavity 17.

[0034] The exchange cavity 5 and the second cavity 18 are provided with an exchange hole 14, and the exchange cavity 5 is provided with a water injection hole 9 in communication with the outside. It should be noted that the number of water injection holes 9 is multiple, and the diameters of different water injection holes 9 are different.

[0035] It should be noted that the exchange cavity 5 described in the embodiments of the present application can be provided with a baffle for shielding the water injection hole 9, and the baffle can be in a damping sliding connection with the bottom of the exchange cavity 5. The water injection hole 9 is shielded by the baffle to control the water injection speed and the triggering time of the floating marker floating ball 2.

[0036] As another possible case, the number of available water injection holes 9 can also be adjusted by providing a corresponding water injection hole plug.

[0037] The inner wall of the floating ball cavity 17 is provided with a clamping spring part on both sides, and the bottom of the floating ball cavity 17 is provided with a fixed magnet 13. The fixed magnet 13 is connected with the floating marker floating ball 2 in the floating ball cavity 17 through a long line 3. It should be noted that the fixed magnet 13 is a strong magnet, and the fishing block 23 is stably clamped into the inside of the floating ball cavity 17 through the clamping spring part.

[0038] It should be noted that the long line 3 described in the above embodiments can be a nylon line.

[0039] The bottom of the exchange cavity 5 is provided with a counterweight 4, and the bottom of the shell 6 is provided with a connecting ring 10.

[0040] It should be noted that the counterweight 4 provided can maintain the downward posture of the device under water.

[0041] In one embodiment of the present application, as shown in Figure 1 The inside of the second cavity 18 is divided into a sliding cavity and a triggering cavity by an arc-shaped plate. The sliding cavity is adjacent to the outside of the shell 6, and is configured to accommodate the arc-shaped sliding cover 1. The exchange cavity 5 and the triggering cavity are in communication through an exchange hole 14. It should be noted that the arc-shaped plate is provided with a through hole.

[0042] It can be understood that the exchange hole 14 provided can transfer the water in the exchange cavity 5 to the inside of the triggering cavity, and at the same time, the exchange hole 14 provided has a certain internal damping effect.

[0043] It should be noted that the arc-shaped sliding cover 1 provided can control the opening and closing of the opening on the shell 6.

[0044] In one embodiment of the present application, as shown in Figure 1 The inner end of the sliding cavity is connected with one end of an elastic string 11, and the other end of the elastic string 11 is connected with the arc-shaped sliding cover 1. The arc-shaped sliding cover 1 is provided with a triggering part 12, and the coverage area of the arc-shaped sliding cover 1 is greater than the area of the opening.

[0045] It should be noted that the trigger component 12 described in the embodiment includes an elastic member and a limiting shaft; the elastic member is embedded in the arc-shaped sliding cover 1, the fixed end of the limiting shaft is embedded in the arc-shaped sliding cover 1, the contact end of the limiting shaft penetrates the arc-shaped plate and abuts against the arc-shaped float 21; the elastic member always applies a force to the limiting shaft towards the arc-shaped float 21; the contact end is a dome.

[0046] Specifically, when the arc-shaped float 21 presses and retracts the trigger component 12, the dome of the contact end is located in the through hole of the arc-shaped plate, and since the elastic rope 11 has a pulling force on the arc-shaped sliding cover 1, the dome of the contact end will be subjected to a component force of the edge of the through hole of the arc-shaped plate towards the compression of the elastic member, and then the contact end will be completely retracted into the arc-shaped sliding cover 1, and finally the arc-shaped sliding cover 1 is completely accommodated in the sliding cavity.

[0047] In an embodiment of the present application, as shown in Figure 1 the trigger cavity is internally provided with a plurality of small floats 19, and two adjacent small floats 19 are connected by a connecting rope 15.

[0048] The top of the trigger cavity is provided with an arc-shaped float 21, the tip of the arc-shaped float 21 is a tapered cone with an arc, the top of the arc-shaped float 21 is smoothly connected to one side surface, and the other side surface of the arc-shaped float 21 is connected to one end of a spring rope 20, and the other end of the spring rope 20 is connected to the top of the trigger cavity.

[0049] It can be understood that when the small float 19 and the arc-shaped float 21 contact the trigger component 12, the trigger component 12 will retract into the arc-shaped sliding cover 1, so that the upper arc-shaped sliding cover 1 quickly rebounds into the sliding cavity through the elastic rope 11, and the floating marker float ball 2 is released.

[0050] In an embodiment of the present application, as shown in Figure 4 the long line 3 is configured to be able to penetrate into the external fishing block 23 after the floating marker float ball 2 is removed, so as to slide the fishing block 23 into the inside of the float ball cavity 17 and be clamped with the clamping component.

[0051] It should be noted that the long line 3 has flexibility and high tensile strength, and its length is sufficient to maintain stable connection with the bottom of the shell 6 after the floating marker float ball 2 floats to the water surface, so as to form a reliable guide path in the subsequent fishing process. Through the guide path, the operator only needs to pull the long line 3 at the water surface end, so that the fishing block 23 automatically slides into the float ball cavity 17 along the predetermined path, and precise docking is realized.

[0052] In an embodiment of the present application, as shown in Figure 1 the clamping component includes an elastic clamp 16 and a spring 8.

[0053] The top of the elastic clip 16 is rotationally connected with the floating ball cavity 17, one end of the elastic spring 8 is connected with the inner wall of the floating ball cavity 17, the other end of the elastic spring 8 is connected with the back of the elastic clip 16, two limiting plates (not numbered in the figure) are fixedly connected in the floating ball cavity, and the two limiting plates respectively limit the distance of the two elastic clips 16 from each other, so as to limit the rotation amplitude of the elastic clip 16.

[0054] In an embodiment of the present application, as shown in Figure 2 and Figure 3 The middle part of the fishing block 23 is provided with a circular hole 22, and the bottom of the fishing block 23 is provided with a magnetic block. It should be noted that the fishing block 23 is provided with a shoulder for cooperating with the elastic clamping part.

[0055] It should be understood that when the fishing block 23 slides into the floating ball cavity 17 along the long line 3, the outer side wall thereof will be in contact with the inner end surface of the elastic clip 16, and under the action of the self-weight or traction force of the fishing block 23, the elastic clip 16 is pushed outward and compresses the elastic spring 8. After the fishing block 23 completely enters the predetermined position, the elastic spring 8 automatically resets the elastic clip 16 under the action of the elastic force, and clamps into the shoulder provided on the fishing block 23, thereby forming a stable mechanical locking. This locking structure can not only prevent the fishing block 23 from being pulled out due to water flow disturbance, but also ensure reliable force transmission under the action of external traction force.

[0056] It should be noted that the magnetic block has strong magnetic force, which can ensure that the fishing block 23 can still be stably attached under water, and will not be loosened due to water flow impact or vibration. The magnetic attraction force and the mechanical locking structure of the elastic clamping part cooperate with each other to form a double fixing mechanism, thereby effectively improving the fishing reliability and durability of the device.

[0057] Specifically, when the relevant staff needs to use the ocean instrument for underwater operation, the device can be fixedly connected with the ocean instrument to be deployed through the connecting ring 10 at the bottom of the device by using a high-strength rope or buckle, and then the device and the ocean instrument are deployed together to the bottom of the water through the water surface ship. Seawater will enter the exchange cavity 5 through the water injection hole 9 of the bottom exchange cavity 5 of the shell 6.

[0058] If the ocean instrument loses contact with the ship due to cable breakage or the like, since the seawater gradually enters the exchange cavity 5 through the water injection hole 9 (the water injection speed can be controlled by the opening degree of the baffle or the number of water injection hole plugs) in advance, then the seawater slowly flows into the trigger cavity in the second cavity 18 through the exchange hole 14, and as the water level in the trigger cavity rises, the multiple small floats 19 arranged inside the trigger cavity gradually float up and press the arc-shaped float 21. When the water level rises to a set height, the top end of the arc-shaped float 21 will touch the trigger component 12 inside the arc-shaped sliding cover 1, the trigger component 12 rebounds under force, causing the arc-shaped sliding cover 1 to quickly open under the action of the elastic rope 11, and releasing the floating marker float ball 2.

[0059] The released floating marker float ball 2 rises to the water surface through the opening at the top of the shell 6 due to its own buoyancy, and since the floating marker float ball 2 is connected to the ocean instrument through the connecting long line 3, the float ball floats on the water surface, directly marking the sinking position of the underwater instrument. Then, the floating marker float ball 2 is removed, the fishing block 23 at the end of the external fishing line is passed through the long line 3 connected to the marker float ball, and the fishing block 23 is slid along the long line 3 into the float ball cavity 17 inside the shell 6. The magnetic block at the bottom of the fishing block 23 is attracted to the fixed magnet 13 inside the device, and at the same time, the elastic clamp 16 in the float ball cavity 17 is automatically clamped into the fishing block 23 under the action of the elastic spring 8, achieving stable locking. After the external fishing line is pulled tight, the fishing block 23 together with the device and the ocean instrument connected thereto can be lifted as a whole, achieving rapid recovery of the equipment.

[0060] In summary, the ocean instrument device sinking position marker fishing device of the embodiment of the present application has the following advantages:

[0061] 1. The mechanical trigger structure is provided, and the position marker can be realized without relying on external complex electronic instruments. When the instrument sinks, the device sinks together with the instrument, and in this process, seawater enters the exchange cavity 5 through the water injection hole 9, and then enters the trigger cavity through the exchange hole 14. The small floats 19 in the trigger cavity rise with the water level, and press the arc-shaped float 21. When the arc-shaped float 21 touches the trigger component 12 at a set water level (i.e. a set time), the marker float ball is released. The float ball rises to the water surface relying on buoyancy, and is stably connected to the underwater device (and instrument equipment) through the long line 3, directly marking the sinking position. The entire process is automatically completed and is not affected by factors such as instrument power failure or signal interference, the marker has high precision, and can directly provide clear position guidance for fishing work.

[0062] 2. The retrieval block 23 can be quickly slid into the float cavity 17 via the long line 3 marking the float. The magnetic block at the bottom of the retrieval block 23 is magnetically attracted to the fixed magnet 13 inside the device. Furthermore, the left and right elastic clips 16 in the slots of the float cavity 17 can fix the retrieval block 23, achieving a stable connection between the retrieval rope and the underwater device. No diver or large, complex retrieval equipment is required; connection and retrieval can be completed solely through surface operations, simplifying the retrieval process, shortening retrieval time, and reducing manpower.

[0063] 3. Through precise location marking and convenient salvage functions, this device can significantly improve the recovery rate of lost marine instruments and equipment, reduce asset losses of expensive instruments and equipment, and lower the hardware investment costs of marine engineering; it can maximize the recovery of marine observation data stored in instruments and equipment, and avoid delays in marine-related engineering due to data loss.

[0064] In the description of this specification, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0065] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0066] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application.

Claims

1. A device for marking the location of a sunken oceanographic instrument, characterized in that, The application relates to a ball-shaped shell, a clamping elastic component, a fixed magnet, a floating marker floating ball, a long line and a counterweight. The shell is a sphere, and an opening is arranged at the top of the shell. A floating ball cavity, an exchange cavity, a first cavity and a second cavity are arranged in the shell. The floating ball cavity is located at the center of the shell, and the first cavity and the second cavity are arranged on the two sides of the floating ball cavity. The exchange cavity is arranged at the bottom of the floating ball cavity and is independent of the floating ball cavity. An exchange hole is arranged between the exchange cavity and the second cavity, and the exchange cavity is provided with a water injection hole communicating with the outside. Clamping elastic components are arranged on the two sides of the inner wall of the floating ball cavity, and a fixed magnet is arranged at the bottom of the floating ball cavity. The bottom of the exchange cavity is provided with a counterweight, and the bottom of the shell is provided with a connecting ring. The second cavity is divided into a sliding cavity and a triggering cavity by an arc-shaped plate. The sliding cavity is adjacent to the outside of the shell, and is configured to accommodate an arc-shaped sliding cover. The sliding cavity is connected with one end of an elastic rope, and the other end of the elastic rope is connected with the arc-shaped sliding cover. The arc-shaped sliding cover is provided with a triggering component, and the covering area of the arc-shaped sliding cover is larger than the area of the opening. The triggering cavity is provided with a plurality of small floating balls, and adjacent small floating balls are connected by a connecting rope.

2. The oceanographic instrument submersion position marker retrieval device of claim 1, wherein, The top of the triggering cavity is provided with an arc-shaped floating ball, the tip of the arc-shaped floating ball is a tapered cone with an arc, and the top of the arc-shaped floating ball is smoothly connected with one side of the arc-shaped floating ball.

3. The oceanographic equipment seabed position marker retrieval device of claim 1, wherein, The other side of the arc-shaped floating ball is connected with one end of a spring rope, and the other end of the spring rope is connected with the top of the triggering cavity. The long line is configured to be inserted into an external fishing block after the floating marker floating ball is removed, so that the fishing block is slid into the floating ball cavity and is clamped with the clamping elastic component. The clamping elastic component comprises an elastic clamp and a spring.

4. The oceanographic equipment seabed position marker fishing device according to claim 2, characterized in that, The top of the elastic clamp is rotationally connected with the floating ball cavity. One end of the spring is connected with the inner wall of the floating ball cavity, and the other end of the spring is connected with the back of the elastic clamp. Two limiting plates are fixedly connected in the floating ball cavity, and the two limiting plates limit the distance between the two elastic clamps. A circular hole is arranged in the middle of the fishing block, and a magnetic block is arranged at the bottom of the fishing block.

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