Tide level instrument protection device for marine surveying and mapping
By combining the design of guide plates, spiral grooves, honeycomb composite buffer plates and dampers, the problem of easy deformation and biological accumulation of the tide level gauge protection device in high-speed ocean currents has been solved, thus improving the protection effect and detection accuracy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGDONG SANHAI ENVIRONMENTAL PROTECTION TECH CO LTD
- Filing Date
- 2025-06-23
- Publication Date
- 2026-05-15
AI Technical Summary
Existing protective devices for oceanographic tide gauges are prone to deformation in high-speed ocean currents, leading to reduced protective effectiveness, and the accumulation of marine organisms affects detection accuracy.
The design employs a flow deflector to change the direction of water flow, a spiral groove to induce axial flow, a honeycomb composite buffer plate to provide rigid support, a damper to buffer impact force, and cleaning brushes to remove biological deposits, thereby improving the buffering strength and ease of inspection of the protective device.
The enhanced protective device's ability to buffer against impacts reduces the adsorption of marine organisms, ensuring the accuracy and convenience of tide gauge detection.
Smart Images

Figure CN224247036U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of tide gauge technology, specifically a protective device for a tide gauge used in marine surveying. Background Technology
[0002] A tide gauge is a device used to observe and record changes in tide levels and temperatures in oceans, canals, and groundwater. Tide gauges use sensors or remote sensing technology to observe tide levels. When observing and recording changes in tide levels, they can achieve accurate data collection without being disturbed by ocean waves, thus requiring a protective device for tide gauges used in marine surveying.
[0003] A Chinese patent with authorization announcement number CN115265498B discloses a protective device for a tide gauge used in marine surveying. The device includes a cover with an installation port for the tide gauge to enter. The cover contains a fixing mechanism for fixing the tide gauge and a sealing plate for closing the installation port. This application has the effect of making the tide gauge less susceptible to interference from marine organisms when detecting tide levels.
[0004] However, the above solutions still have some problems. When the protective cover with a smooth outer surface is subjected to a large impact force when the internal flow speed of the ocean is fast, the protective cover is more likely to deform, which in turn reduces the effectiveness of the protective device for the tide gauge. Therefore, a protective device for a tide gauge for marine surveying is proposed to address the above problems. Utility Model Content
[0005] To overcome the shortcomings of existing technologies and address the problems of existing equipment, this utility model proposes a protective device for a tide gauge used in marine surveying.
[0006] The technical solution adopted by this utility model to solve its technical problem is a protective device for a tide gauge used in marine surveying, comprising: an outer protective cover, a guide plate fixedly connected to the upper side of the outer surface of the outer protective cover, a spiral groove formed on the lower side of the outer surface of the outer protective cover, a honeycomb composite buffer plate installed on the inner wall of the outer protective cover, an inner protective cover installed on the inner wall of the honeycomb composite buffer plate, the inner protective cover being connected to the inner wall of the outer protective cover, a fixing rod fixedly connected to the inner wall of the inner protective cover, a damper installed inside the fixing rod, a spring provided on the damper, one side of the damper being connected to the inner wall of the inner protective cover, a sealing gasket fixedly connected to one side of the fixing rod, a first bolt threadedly connected to the inside of the fixing rod, a tide gauge installed on one side of the fixing rod, the tide gauge being threadedly connected to the first bolt, a cover plate hinged to one end of the outer protective cover, and a second bolt threadedly connected to the cover plate and one side of the outer protective cover. The guide plate changes the direction of water flow, reduces the frontal impact area, and can guide marine organisms to slide away along the slope, reducing the adsorption of marine organisms to the outer protective cover.
[0007] Preferably, the other end of the outer protective cover is movably connected to a base plate, the bottom of the outer protective cover is provided with a connecting groove, the inside of the connecting groove is provided with an insertion hole, and a first magnet is fixedly connected inside the insertion hole. The first magnet is located inside the insertion hole, so that the insertion hole supports the insertion rod while cooperating with the first magnet, thereby improving the support strength of the connecting block.
[0008] Preferably, a connecting block is fixedly connected to the upper surface of the base plate, the connecting block is movably connected to the connecting groove, and a plug rod is fixedly connected to one side of the connecting block. The plug rod is movably connected inside the plug hole. The connecting block is located inside the connecting groove, and the plug rod is located inside the plug hole, which can fix the position of the base plate.
[0009] Preferably, a second magnet is fixedly connected to one end of the insertion rod, and the second magnet attracts the first magnet. A rotating plate is rotatably connected inside the base plate, and a connecting plate is fixedly connected to one end of the rotating plate. The connecting block is completely inserted into the interior of the connecting groove, and the second magnet attracts the first magnet, thereby fixing the position of the base plate.
[0010] Preferably, an arc-shaped plate is fixedly connected to the upper surface of the connecting plate, and a cleaning brush is fixedly connected to one side of the arc-shaped plate. When the seawater flows, an external force is applied to the rotating plate, thereby driving the connecting plate and the arc-shaped plate to rotate synchronously through the rotating plate.
[0011] Preferably, the cleaning bristles are in contact with the inner wall of the inner protective cover, and the connecting plate is located above the base plate. The cleaning bristles are in contact with the inner wall of the inner protective cover, so that when the connecting plate rotates, the cleaning bristles can clean the biological deposits generated on the inner wall of the inner protective cover.
[0012] The advantages of this invention are as follows: the guide plate can change the direction of water flow, reduce the frontal impact area, and guide marine organisms to slide away along the slope; the spiral groove can induce the water flow to form axial flow, disrupt the continuity of water flow, decompose large eddies into small-scale turbulence, reduce wave resistance, thereby reducing the lateral swing amplitude of the float; and the honeycomb structure inside the honeycomb composite buffer plate provides rigid support, which absorbs energy through plastic deformation when impacted, and the damper further buffers the impact force transmitted to the fixed rod. Thus, with the cooperation of the guide plate, spiral groove, honeycomb composite buffer plate and damper, the buffering strength of the protective device against impact force is improved, thereby improving the protective effect of the tide gauge.
[0013] This invention applies external force to the rotating plate when seawater flows, thereby causing the connecting plate and the arc-shaped plate to rotate. The direction of rotation is affected by the seawater flow, which drives the cleaning bristles to clean the biological deposits on the inner wall of the inner protective cover. Rotating the bottom plate causes the connecting block to move out of the connecting groove, separating the bottom plate from the bottom of the outer protective cover. This allows the connecting plate and the arc-shaped plate to move out of the inside of the outer protective cover, facilitating the cleaning of biological deposits accumulated on the connecting plate and preventing biological deposits from affecting the accuracy of the tide level meter. Attached Figure Description
[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0015] Figure 1 This is a schematic diagram of the overall structure;
[0016] Figure 2 This is a schematic diagram of the overall structure in cross-section;
[0017] Figure 3 This is a schematic diagram of a fixed rod;
[0018] Figure 4 This is a schematic diagram of the connecting components;
[0019] Figure 5 This is a diagram illustrating the cleanup components.
[0020] In the diagram: 1. Outer protective cover; 2. Guide plate; 3. Spiral groove; 4. Honeycomb composite buffer plate; 5. Inner protective cover; 6. Fixing rod; 7. Damper; 8. Sealing gasket; 9. First bolt; 10. Cover plate; 11. Second bolt; 12. Base plate; 13. Connecting groove; 131. Insertion hole; 14. First magnet; 15. Connecting block; 16. Insert rod; 17. Second magnet; 18. Rotating plate; 19. Connecting plate; 20. Arc plate; 21. Cleaning bristles. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.
[0022] Please see Figure 1-5As shown, a protective device for a tide gauge used in marine surveying includes: an outer protective cover 1, a guide plate 2 fixedly connected to the upper side of the outer surface of the outer protective cover 1, a spiral groove 3 opened on the lower side of the outer surface of the outer protective cover 1, a honeycomb composite buffer plate 4 installed on the inner wall of the outer protective cover 1, an inner protective cover 5 installed on the inner wall of the honeycomb composite buffer plate 4, the inner protective cover 5 being connected to the inner wall of the outer protective cover 1, a fixing rod 6 fixedly connected to the inner wall of the inner protective cover 5, a damper 7 installed inside the fixing rod 6, a spring provided on the damper 7, one side of the damper 7 being connected to the inner wall of the inner protective cover 5, a sealing gasket 8 fixedly connected to one side of the fixing rod 6, a first bolt 9 threadedly connected inside the fixing rod 6, a tide gauge provided on one side of the fixing rod 6, the tide gauge being threadedly connected to the first bolt 9, a cover plate 10 hinged to one end of the outer protective cover 1, and a second bolt 11 threadedly connected to the cover plate 10 and one side of the outer protective cover 1.
[0023] A tide gauge is a device used to observe and record changes in tide levels and temperatures in oceans, canals, and groundwater. In use, tide gauges are typically mounted directly on underwater objects. However, during tide level detection, they are often interfered with by marine life and rapid seawater flow, affecting their accuracy. Therefore, a protective device for marine surveying tide gauges is needed. In practical use, the tide gauge is placed inside the inner protective cover 5, with its outer wall aligned with three sets of fixing rods 6. The first bolt 9 is screwed into the fixing rods 6 and the inside of the tide gauge, thus fixing the tide gauge inside the protective device. The cover plate 10 is rotated around the hinge point, and then the second bolt 11 is used to connect and fix the cover plate 10 to the outer protective cover 1, shielding the top of the outer protective cover 1 to prevent marine life from entering and affecting the accuracy of the tide gauge. The protective device is then secured to the water surface using ropes or bolts. On the object below, during use, the seawater flow exerts an external force on the outer wall of the outer protective cover 1. The guide plate 2 changes the direction of the water flow, reduces the frontal impact area, and can guide marine organisms to slide away along the slope, reducing the adhesion of marine organisms to the outer protective cover 1. The spiral groove 3 can induce the water flow to form an axial flow, disrupt the continuity of the water flow, decompose the large eddy into small-scale turbulence, reduce wave resistance, and thus reduce the lateral swing amplitude of the float. In addition, the non-uniform flow field formed by the spiral groove interferes with the attachment of barnacle larvae. In conjunction with the guide plate 2, it plays a role in improving the impact resistance and reducing biological attachment. The honeycomb structure inside the honeycomb composite buffer plate 4 provides rigid support and absorbs energy through plastic deformation when impacted. The damper 7 further buffers the impact force transmitted to the fixed rod 6. Thus, with the cooperation of the guide plate 2, spiral groove 3, honeycomb composite buffer plate 4 and fixed rod 6, the buffering strength of the protective device against the impact force is improved, thereby improving the protective effect of the tide gauge.
[0024] Please see Figure 1-5As shown, the other end of the outer protective cover 1 is movably connected to the base plate 12. The bottom of the outer protective cover 1 is provided with a connecting groove 13. The inside of the connecting groove 13 is provided with an insertion hole 131. The inside of the insertion hole 131 is fixedly connected to the first magnet 14. The upper surface of the base plate 12 is fixedly connected to the connecting block 15. The connecting block 15 and the connecting groove 13 are movably connected. One side of the connecting block 15 is fixedly connected to the insertion rod 16. The insertion rod 16 is movably connected to the inside of the insertion hole 131. One end of the insertion rod 16 is fixedly connected to the second magnet 17. The second magnet 17 and the first magnet 14 attract each other. The inside of the base plate 12 is rotatably connected to the rotating plate 18. One end of the rotating plate 18 is fixedly connected to the connecting plate 19. The upper surface of the connecting plate 19 is fixedly connected to the arc plate 20. One side of the arc plate 20 is fixedly connected to the cleaning bristles 21. The cleaning bristles 21 are in contact with the inner wall of the inner protective cover 5. The connecting plate 19 is located above the base plate 12.
[0025] Seawater enters the interior of the outer protective cover 1 through the holes in the cover plate 10. Because the tide gauge needs to be installed in the ocean for extended periods during marine surveying, the inner wall of the inner protective cover 5 is susceptible to biofouling due to seawater immersion. When the seawater flows, it applies external force to the rotating plate 18, causing the connecting plate 19 and the arc-shaped plate 20 to rotate. The direction of rotation is influenced by the seawater flow, which in turn drives the cleaning brush 21 to clean the biofouling on the inner wall of the inner protective cover 5. The cleaned biofouling, affected by the seawater flow, flows out through the holes in the cover plate 10 and settles above the connecting plate 19. During periodic inspections of the tide gauge, the base plate 12 is rotated, causing the second magnet 17 and the first magnet 14 to separate, and the insertion rod 16 to be completely removed from the insertion hole 131. When the bottom plate 12 is pulled down, the connecting block 15 will be moved out of the connecting groove 13, separating the bottom plate 12 from the bottom of the outer protective cover 1. This will cause the connecting plate 19 and the arc plate 20 to be moved out of the inner part of the outer protective cover 1, making it easier to clean the bioaccumulation on the connecting plate 19. This will prevent the bioaccumulation from affecting the accuracy of the tide level meter and improve the convenience of the tide level meter. After the test is completed, the three sets of connecting blocks 15 are inserted into the connecting groove 13, and the bottom plate 12 is rotated in the opposite direction, so that the insertion rod 16 enters the inner part of the insertion hole 131 and the connecting block 15 is completely inserted into the inner part of the connecting groove 13. This causes the second magnet 17 to attract the first magnet 14, thereby fixing the position of the bottom plate 12. The bottom of the outer protective cover 1 is then closed again, allowing the tide level meter to be used again.
[0026] The working principle is as follows: The tide gauge to be used is placed inside the inner protective cover 5, with its outer wall in contact with the three sets of fixing rods 6. The first bolt 9 is screwed into the fixing rods 6 and the tide gauge, thus fixing the tide gauge inside the protective device. The cover plate 10 is rotated around the hinge point, and then the second bolt 11 is used to connect and fix the cover plate 10 and the outer protective cover 1. The protective device is then fixed to an underwater object using ropes or bolts. During use, seawater flow applies external force to the outer wall of the outer protective cover 1. The guide plate 2 changes the direction of the water flow, and the spiral groove 3 induces axial flow, disrupting the continuity of the water flow, thus improving impact resistance and reducing biofouling. Furthermore, the honeycomb structure inside the honeycomb composite buffer plate 4 provides rigid support, absorbing energy through plastic deformation upon impact. The damper 7 further buffers the impact force transmitted to the fixing rods 6. Therefore, the combination of the guide plate 2, spiral groove 3, honeycomb composite buffer plate 4, and fixing rods 6 improves the buffering strength of the protective device against impact, thereby enhancing the protection of the tide gauge. For protection, the flowing seawater applies external force to the rotating plate 18, causing the connecting plate 19 and the arc-shaped plate 20 to rotate. The direction of rotation is affected by the seawater flow, which in turn drives the cleaning brush 21 to clean the biological deposits on the inner wall of the inner protective cover 5. The cleaned biological deposits, affected by the seawater flow, flow out through the holes in the cover plate 10 and settle above the connecting plate 19. During regular checks of the tide gauge, rotating the base plate 12 causes the second magnet 17 and the first magnet... When the iron 14 is separated and the insertion rod 16 is completely removed from the inside of the insertion hole 131, the bottom plate 12 is pulled down, which will cause the connecting block 15 to move out of the connecting groove 13, so that the bottom plate 12 is separated from the bottom of the outer protective cover 1. This will cause the connecting plate 19 and the arc plate 20 to move out of the inside of the outer protective cover 1, making it easier to clean the biological deposits accumulated on the connecting plate 19, thereby avoiding the biological deposits from affecting the accuracy of the tide gauge detection, and improving the convenience of tide gauge detection, thus improving the practicality of the protective device.
[0027] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. 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.
[0028] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.
Claims
1. A protective device for a tide gauge used in marine surveying, characterized in that: include: An outer protective cover (1) is provided, with a guide plate (2) fixedly connected to the upper side of its outer surface. A spiral groove (3) is provided on the lower side of the outer surface of the outer protective cover (1). A honeycomb composite buffer plate (4) is installed on the inner wall of the outer protective cover (1). An inner protective cover (5) is installed on the inner wall of the honeycomb composite buffer plate (4). The inner protective cover (5) is connected to the inner wall of the outer protective cover (1). A fixing rod (6) is fixedly connected to the inner wall of the inner protective cover (5). A damper (7) is installed inside the fixing rod (6). The damper (7) is provided with a spring. One side of the damper (7) is connected to the inner wall of the inner protective cover (5). One side of the fixing rod (6) is fixedly connected with a sealing gasket (8). The internal thread of the fixing rod (6) is connected with a first bolt (9). One side of the fixing rod (6) is provided with a tide gauge. The tide gauge is threadedly connected to the first bolt (9). One end of the outer protective cover (1) is hinged with a cover plate (10). The cover plate (10) and one side of the outer protective cover (1) are threadedly connected with a second bolt (11).
2. The protective device for a tide gauge used in marine surveying according to claim 1, characterized in that: The other end of the outer protective cover (1) is movably connected to a base plate (12). A connecting groove (13) is provided at the bottom of the outer protective cover (1). An insertion hole (131) is provided inside the connecting groove (13). A first magnet (14) is fixedly connected inside the insertion hole (131).
3. The protective device for a tide gauge used in marine surveying according to claim 2, characterized in that: A connecting block (15) is fixedly connected to the upper surface of the base plate (12). The connecting block (15) and the connecting groove (13) are movably connected. A plug rod (16) is fixedly connected to one side of the connecting block (15). The plug rod (16) is movably connected inside the plug hole (131).
4. The protective device for a tide gauge used in marine surveying according to claim 3, characterized in that: One end of the insertion rod (16) is fixedly connected to a second magnet (17), and the second magnet (17) and the first magnet (14) attract each other. The base plate (12) is rotatably connected to a rotating plate (18), and one end of the rotating plate (18) is fixedly connected to a connecting plate (19).
5. The protective device for a tide gauge used in marine surveying according to claim 4, characterized in that: An arc-shaped plate (20) is fixedly connected to the upper surface of the connecting plate (19), and a cleaning brush bristle (21) is fixedly connected to one side of the arc-shaped plate (20).
6. The protective device for a tide gauge used in marine surveying according to claim 5, characterized in that: The cleaning bristles (21) are attached to the inner wall of the inner protective cover (5), and the connecting plate (19) is located above the base plate (12).