Marine intertidal zone sample collection device and inspection method

Abstract

The invention discloses a marine intertidal zone sample collection device and an inspection method. The structure comprises a sampling tube, a top cover, a hanger, and a storage compartment. The hanger is sleeved on the outer surface of the storage compartment, the top cover and the storage compartment are fixed by threads, and the sampling tube is placed by the hanger; the sampling tube comprises an extension tube, a magnetic block, a soft sealing layer, a clamping block, a support body, a soft strip, a rebound plate, an outer tube, an inner tube, a push rod, an elastic steel body, a limit block, and a gripping clamp. The clamping block is fixed to the outer surface of the extension tube, the magnetic block and the push rod are an integrated structure, the magnetic block runs through the center of the soft sealing layer, the support body and the outer tube are an integrated structure, and when sampling algae on the uneven surface of the rock, the gripping clamp is composed of a plurality of gripping leaves, which can be bent and adjusted according to the uneven surface of the rock through the elasticity of the gripping clamp itself and the elasticity of the elastic steel body to fit the surface, so as to facilitate the gripping of algae on the uneven surface of the rock.

Description

Technical Field

[0001] The present invention belongs to the field of sample collection and transportation, and more specifically, especially relates to a marine intertidal zone sample collection device and a testing method. Background Art

[0002] The intertidal zone refers to the coast between the highest tide level during spring tide and the lowest tide level during spring tide, also known as the ecotone. There are many species of organisms in the intertidal zone, including various plankton, swimming organisms, etc. The non-living environment of this area, such as sediments and water quality, also has important research value. The main purpose of collecting samples in the intertidal zone is to understand the types and quantities of intertidal organisms and provide basic data for research.

[0003] Based on the above findings, the existing portable intertidal zone sample collection devices have the following shortcomings, such as:

[0004] When sampling algae on rocks in the intertidal zone, the algae attached to the rock surface are in close contact with the rock and are uneven. When using a sampler for sampling, it is difficult to remove the algae from the rock surface because the sampler mainly samples the flat contact surface.

[0005] Therefore, it is necessary to propose a marine intertidal zone sample collection device and a testing method. Summary of the invention

[0006] In order to solve the above technical problems, the purpose and effect of the marine intertidal zone sample collection device and inspection method of the present invention are achieved by the following specific technical means:

[0007] Its structure includes a sampling tube, a top cover, a hanger, and a storage compartment. The hanger is sleeved on the outer surface of the storage compartment. The top cover and the storage compartment are fixed by threads. The sampling tube is placed by the hanger.

[0008] The sampling tube includes an extension tube, a magnetic block, a soft sealing layer, a clamping block, a support body, a soft strip, a rebound plate, an outer tube, an inner tube, a push rod, an elastic steel body, a limit block, and a grabbing clamp. The clamping block is fixed to the outer surface of the extension tube, the magnetic block and the push rod are an integrated structure, the magnetic block runs through the center of the soft sealing layer, the support body and the outer tube are an integrated structure, the soft strip is connected to the tail of the rebound plate to extend and closely contact, the rebound plate is assembled at the bottom end of the outer tube, the extension tube is placed inside the outer tube, the clamping block is limited by the limit block, the push rod is connected to the elastic steel body, the elastic steel body is located inside the inner tube for movement, and the grabbing clamp is connected to the bottom of the inner tube;

[0009] The rebound plate itself has a rebound effect. When there is an external force, it is in a state of counterforce resistance. When the external force push is lost, it will return to its position in time. The soft strip is connected to the tail of the rebound plate to extend and closely contact with the space on both sides of the outer tube through its own softness, which has a separation effect. The limit block is provided with two upper and lower ends of the block to limit in two directions. The inner tube fits the inner wall of the extension tube and moves together. The tail of the elastic steel body has an outward expansion arc and is trumpet-shaped. When the push rod is pushed, it will lose the restriction of the inner tube and extend into the inside of the gripping clamp, so that the gripping clamp can be extended through the support of the elastic steel body. The tail of the gripping clamp itself has an inward buckle shape where the elastic steel body cannot touch it. When the push rod is pushed into the gripping clamp to the lowest point, the extension tube will be driven to move out along the outer tube through continuous driving force. The micro-elastic effect of the elastic steel body itself can bend and adjust according to the change of the stone surface when the gripping clamp touches the uneven stone surface. When there is no thrust, the extension tube is placed inside the outer tube through the support force of the rebound plate itself.

[0010] As a further improvement of the present invention, the support body supports the outer tube to be fixed on a rack as a whole, the rack can be equipped with five sampling tubes, the top cover and the storage compartment can be easily assembled and disassembled through threads, and the magnetic block and the magnetic suction block can be attracted to each other through magnetism.

[0011] As a further improvement of the present invention, the top cover includes a moving path, a main cover, a handle, a pressing rod, a magnetic block, and a threaded opening. The moving path and the main cover are an integrated structure. The magnetic block is assembled at the bottom of the pressing rod. The handle is fixed to the upper surface of the main cover. The threaded opening and the main cover are an integrated structure. The pressing rod moves between the moving path and the main cover. When the pressing rod is pressed under force, it uses the handle or the force block to assist in pressing.

[0012] As a further improvement of the present invention, the storage grid includes a threaded channel, an inner grid, and a fixed grid. The threaded channel and the inner grid are an integrated structure. The fixed grid is located at the bottom of the inner grid. The fixed grid can fix and support the sampling tube when it is placed and stored.

[0013] As a further improvement of the present invention, the hanger includes a shell, a force block, and a placement port. The shell is mounted on the outer surface of the storage compartment. The placement port and the force block are an integrated structure. The force block is fixed to the outer surface of the shell. There are five force blocks evenly distributed in a circle. The force blocks support and fix the force points of the sampling tube to enable smooth sampling.

[0014] As a further improvement of the present invention, a sample inspection method for collecting samples from the intertidal zone of the ocean, the sample inspection method of the intertidal zone sample collection device of the ocean, is as follows:

[0015] S1. Install the unused sampling tubes in the rack and the fixed grid. A total of nine tubes can be installed. The top cover and the storage grid are assembled by threads, so that the storage grid can be moved above the sampling tubes. The handle is convenient for the staff to take it as a whole and carry it for movement;

[0016] S2. When it is necessary to sample the algae on the surface of the rock, by pressing the pressing rod, the handle and the force block support the force point of the pressing rod, the magnetic block will be adsorbed and pushed by the magnetic block below, and the push rod will push the elastic steel body to move downward along the inner tube to support and open the clamp. The pressing rod is still pushing, and the extension tube will move out of the space of the outer tube to align with the algae on the surface of the rock. The clamp and the elastic steel body have a certain elasticity. When encountering an uneven rock surface, they will bend and adjust the resistance. After aligning with the algae, the pressing of the pressing rod will be released, and the pressing rod will return to its original position. The magnetic block will first recycle the elastic steel body through the force of magnetic attraction, and the clamp will automatically rebound and merge to wrap and grab the algae. Then the extension tube will be brought into the outer tube, and the limit block will limit the clamp block to separate the magnetic block from the magnetic block, so that the extended tube after sampling can be stored in the outer tube.

[0017] S3. When all the sampling tubes placed on the rack have finished sampling, the top cover can be unscrewed to swap the sampling tubes placed in the placement port and the fixed grid. The sampled tubes can be placed in the fixed grid, and the unused ones can be placed on the placement port for sampling;

[0018] S4, carrying the sampled algae to the processing room, releasing the algae inside to the processing place by pressing the magnetic block again, cleaning the algae sample, and then properly drying and grinding it;

[0019] S5. Place the treated algae sample in a colorimetric tube and add an appropriate amount of color developer. Under appropriate temperature and time conditions, a colored compound is generated. Place the developed sample colorimetric tube on a background plate for comparison. The colorimetric method can measure key indicators such as lipid content and chlorophyll content in algae.

[0020] The extended tube is located inside the outer tube when not pushed by external force, so as to further protect the algae after sampling.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. When sampling algae on the uneven surface of the rock, the gripper is composed of multiple gripping leaves. Through the elasticity of the gripper itself and the elasticity of the elastic steel body, it can be bent and adjusted according to the uneven surface of the rock and then fit the surface, making it convenient to grab the algae on the uneven surface of the rock.

[0023] 2. The sampling tube is independent and can be used to grab samples individually. Each group can grab nine samples to avoid mixing of samples from different positions.

[0024] 3. The placement port and the fixed grid are used to place and fix the independent sampling tubes, which can prevent the sampling tubes from tilting and colliding with each other during transportation, and are easy to take, so that the whole equipment can easily carry the samples to the inspection site for inspection.

[0025] When the sampling tube needs to grab a sample, the outer tube is extended outward by pushing the pressing rod. After the grabbing is completed, it will be retracted into the inner part of the outer tube to further protect the sample. The rebound plate and the soft strip will automatically merge and fit together to further protect the outer tube.

[0026] After the overall device has completed sampling and processing, when the sample needs to be released to the processing site, the sample can be released by pressing and pushing the magnetic block without any contact with the sample, thus avoiding direct contact and removal to destroy the integrity of the sample. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic structural diagram of the marine intertidal zone sample collection device of the present invention.

[0028] Figure 2 It is a schematic diagram of the structure of the extended tube of the present invention.

[0029] Figure 3 It is a schematic diagram of the cross-sectional structure of the sampling tube of the present invention.

[0030] Figure 4 It is a schematic diagram of the structure of the sampling tube of the present invention.

[0031] Figure 5 It is a schematic structural diagram of the top cover of the present invention.

[0032] Figure 6 It is a structural schematic diagram of the storage grid of the present invention.

[0033] Figure 7 It is a structural schematic diagram of the hanging bracket of the present invention.

[0034] Figure 8 The present invention is a schematic flow chart of a sample testing method of a marine intertidal zone sample collection device.

[0035] In the figure: sampling tube-1, top cover-2, hanger-3, storage grid-4, extension tube-11, magnetic block-12, soft sealing layer-13, clamping block-14, support body-15, soft strip-16, rebound plate-17, outer tube-18, inner tube-19, push rod-20, elastic steel body-21, limit block-22, grab clamp-23, moving path-01, main cover-02, handle-03, pressing rod-04, magnetic block-05, threaded mouth-06, threaded path-41, inner grid-42, fixed grid-43, sleeve shell-31, force block-32, placement mouth-33. DETAILED DESCRIPTION

[0036] The present invention is further described below in conjunction with the accompanying drawings:

[0037] Embodiment 1: As attached Figure 1 To Attachment Figure 5 As shown:

[0038] The present invention provides a marine intertidal zone sample collection device and an inspection method, wherein the structure includes a sampling tube 1, a top cover 2, a hanger 3, and a storage compartment 4, wherein the hanger 3 is sleeved on the outer surface of the storage compartment 4, the top cover 2 and the storage compartment 4 are fixed by threads, and the sampling tube 1 is placed by the hanger 3;

[0039] The sampling tube 1 includes an extension tube 11, a magnetic block 12, a soft sealing layer 13, a clamping block 14, a support body 15, a soft strip 16, a rebound plate 17, an outer tube 18, an inner tube 19, a push rod 20, an elastic steel body 21, a limit block 22, and a gripping clamp 23. The clamping block 14 is fixed to the outer surface of the extension tube 11, the magnetic block 12 and the push rod 20 are an integrated structure, the magnetic block 12 runs through the center of the soft sealing layer 13, the support body 15 and the outer tube 18 are an integrated structure, the soft strip 16 is connected to the tail of the rebound plate 17 to extend and closely contact, the rebound plate 17 is assembled at the bottom end of the outer tube 18, the extension tube 11 is placed inside the outer tube 18, the clamping block 14 is limited by the limit block 22, the push rod 20 is connected to the elastic steel body 21, the elastic steel body 21 is located inside the inner tube 19 for movement, and the gripping clamp 23 is connected to the bottom of the inner tube 19;

[0040] The rebound plate 17 itself has a rebound effect. When there is an external force, it is in a state of counterforce resistance. When the external force pushes, it will return to its position in time. The soft strip 16 is connected to the tail of the rebound plate 17 to extend and closely contact with it through its own softness, so as to separate the space on the inner and outer sides of the outer tube 18. The limit block 22 is provided with two upper and lower ends of the block 14 to limit in two directions. The inner tube 19 fits the inner wall of the extension tube 11 and moves together. The tail of the elastic steel body 21 has an outwardly expanded arc and is in the shape of a trumpet. When the push rod 20 is pushed, it will lose the restriction of the inner tube 19 and extend into the inside of the gripping clamp 23, so that the gripping clamp 23 can pass through. The clamp 23 is extended with the support of the elastic steel body 21, and the tail of the clamp 23 has an inward shape where the elastic steel body 21 cannot touch it. When the push rod 20 is pushed into the clamp 23 to the lowest point, the extension tube 11 will be driven to move out along the outer tube 18 through continuous pushing force. The elastic steel body 21 has a micro-elastic effect, and can bend and adjust according to the changes in the stone surface when the clamp 23 touches the uneven stone surface. In the absence of thrust, the extension tube 11 is placed inside the outer tube 18 through the supporting force of the rebound plate 17 itself, and the push rod 20 passes through the inner tube 19 and is connected to the elastic steel body 21 and moves inside the inner tube 19.

[0041] Among them, the support body 15 supports the outer tube 18 and is fixed on the hanger 3 as a whole. The hanger 3 can be equipped with five sampling tubes 1. The top cover 2 and the storage compartment 4 can be easily loaded and unloaded through threads. The magnetic block 12 and the magnetic suction block 05 can be attracted by magnetism. After being subjected to force, the magnetic block 12 first pushes the magnetic block 12 to drive the elastic steel body 21 to extend out of the inner tube 19 and extend into the inside of the gripping clamp 23, so that the elastic steel body 21 loses the resistance wrapped by the inner tube 19, and stretches the gripping clamp 23 through its own elasticity. Secondly, the elastic steel body 21 has no space to continue to extend, and the continuous thrust of the magnetic block 12 will push the extended tube 11 out of the outer tube 18. When the magnetic block 12 is recovered, it will drive the elastic steel body 21 to move upward so that the gripping clamp 23 is merged through its own rebound effect, and then bring its extended tube 11 into the outer tube 18.

[0042] Among them, the top cover 2 includes a moving track 01, a main cover 02, a handle 03, a pressing rod 04, a magnetic block 05, and a threaded opening 06. The moving track 01 and the main cover 02 are an integrated structure. The magnetic block 05 is assembled at the bottom of the pressing rod 04. The handle 03 is fixed to the upper surface of the main cover 02. The threaded opening 06 and the main cover 02 are an integrated structure. The pressing rod 04 moves between the moving track 01 and the main cover 02. When the pressing rod 04 is pressed by force, it is assisted by the handle 03 or the force block 32. The track between the moving track 01 and the main cover 02 is used to assist in guiding the moving route of the pressing rod 04.

[0043] The specific usage and function of this embodiment are as follows:

[0044] In the present invention, the unused sampling tube 1 is assembled in the placement port 33 and the fixed grid 43, and the top cover 2 is fixed to the upper end of the storage grid 4 by rotating the threaded port 06 and the threaded channel 41. The staff moves the whole set of devices by taking the handle 03. When sampling algae on the rock surface is required, the pressing rod 04 is moved along the moving channel 01 and the main cover 02 to align with one of the sampling tubes 1 hung on the rack 3. The sampling tube 1 is fixed to the rack 3 by the support body 15. When the pressing rod 04 is pressed, the handle 03 or the force block 32 is supported and stressed, so that the pressing rod 04 can be pressed. 04 is pressed better. When the pressing rod 04 is pressed down, the magnetic block 05 will move to be adsorbed with the magnetic block 12, thereby pushing the push rod 20 to drive the elastic steel body 21 to move downward along the inside of the inner tube 19. During the downward movement of the elastic steel body 21, it will extend into the inside of the clamp 23. The elastic steel body 21 itself has a certain arc of swinging outward. After losing the restriction of the inner tube 19, it will drive the clamp 23 to extend outward through its own arc. When the elastic steel body 21 moves to the farthest point inside the clamp 23, the push rod 20 is still moving downward, which will drive the outer extension tube 11 to extend outward of the outer tube 18. 17 will be stretched by the driving force, so that the inner extension tube 11 is extended, and the limit block 22 at the bottom will limit the farthest moving distance. After the extension tube 11 is extended, the gripper 23 is aimed at the algae on the rock surface and placed against it. Due to the concave and convex structure of the rock surface, the gripper 23 and the elastic steel body 21 are adjusted and fitted through their own elasticity. After the alignment is completed, the pressing rod 04 will be released, and the pressing rod 04 will rebound to its original position. During the return process, the magnetic block 12 and the magnetic suction block 05 continue to be adsorbed, and the elastic steel body 21 is driven to detach from the gripper 23 and return to the inner tube 19 by the upward movement of the push rod 20. When 23 loses the thrust of the elastic steel body 21, it will merge through its own rebound effect to wrap and grab the sample. After the grab clamp 23 is merged, when the magnetic block 12 continues to move up to its original position, it will drive the extension tube 11 to retract into the outer tube 18. The upper limit block 22 will limit the clamping block 14, so that the magnetic suction block 05 is separated from the magnetic block 12. After the rebound plate 17 loses resistance, it will automatically return to its original position and merge. The extended soft strip 16 fits and resists the middle part of the rebound plate 17, and further protects the internal extension tube 11, so that the extension tube 11 can be placed inside the outer tube 18 and extended when the sample needs to be taken.

[0045] Embodiment 2: As attached Figure 6 To Attachment Figure 8 As shown:

[0046] Among them, the storage grid 4 includes a threaded channel 41, an inner grid 42, and a fixed grid 43. The threaded channel 41 and the inner grid 42 are an integrated structure. The fixed grid 43 is located at the bottom of the inner grid 42. The fixed grid 43 can fix and support the sampling tube 1 when it is placed and stored. The fixed grid 43 is located inside the inner grid 42 and has four sampling tubes 1 for storing.

[0047] Among them, the hanger 3 includes a shell 31, a force block 32, and a placement port 33. The shell 31 is sleeved on the outer surface of the storage compartment 4. The placement port 33 and the force block 32 are an integrated structure. The force block 32 is fixed to the outer surface of the shell 31. There are five force blocks 32 that are evenly distributed in a circle. The force blocks 32 support and fix the force points of the sampling tube 1 so that it can be sampled smoothly. The extended part of the force block 32 can provide a fulcrum when the whole is subjected to force.

[0048] Among them, the sample inspection method for collecting samples from the intertidal zone of the ocean, the sample inspection method of the intertidal zone of the ocean sample collection device is as follows:

[0049] S1. Install the unused sampling tubes 1 in the rack 3 and the fixed grid 43. A total of nine tubes can be installed. The top cover 2 and the storage grid 4 are assembled by threads, so that the pressing rod 04 can be moved above the sampling tube 1. The handle 03 is convenient for the staff to take it as a whole and carry it for movement;

[0050] S2. When sampling of algae on the surface of the rock is required, by pressing the pressing rod 04, the handle 03 and the force block 32 support the force point of the pressing rod 04, the magnetic block 05 will be adsorbed and pushed by the magnetic block 12 below, and the push rod 20 will push the elastic steel body 21 to move downward along the inner tube 19, supporting and opening the gripper 23, the pressing rod 04 is still pushing, the extension tube 11 will move out of the space of the outer tube 18 to align with the algae on the surface of the rock, and the gripper 23 has a certain Elasticity, when encountering an uneven rock surface, it will bend and adjust the resistance. After aiming at the algae, the pressing rod 04 will be released, and the pressing rod 04 will return to its original position. The magnetic block 12 will first retract the elastic steel body 21 through the magnetic force, and the gripper 23 will automatically rebound and wrap and grab the algae. Then the extension tube 11 will be brought into the outer tube 18, and the limit block 22 will limit the clamping block 14, so that the magnetic block 12 and the magnetic suction block 05 are separated, so that the extended tube 11 after sampling is stored in the outer tube 18;

[0051] S3, when all the sampling tubes 1 placed on the rack 3 have finished sampling, the top cover 2 can be unscrewed to swap the sampling tubes 1 placed in the placement port 33 and the fixed grid 43. The sampled tubes 1 can be placed in the fixed grid 43, and the unused ones can be placed on the placement port 33 for sampling;

[0052] S4, carrying the sampled algae to the processing room, and releasing the algae inside to the processing place by pressing the magnetic block 12 again, washing the algae sample, and then drying and grinding it appropriately after washing;

[0053] S5. Place the treated algae sample in a colorimetric tube and add an appropriate amount of color developer. Under appropriate temperature and time conditions, a colored compound is generated. Place the developed sample colorimetric tube on a background plate for comparison. The colorimetric method can measure key indicators such as lipid content and chlorophyll content in algae.

[0054] The extended tube 11 is inside the outer tube 18 when not pushed by external force, which can further protect the algae after sampling. The extension and merging of the gripper 23 itself makes it unnecessary for the sample to contact with other objects to assist in grasping, which further protects the sample.

[0055] The specific usage and function of this embodiment are as follows:

[0056] In the present invention, a set of devices can be equipped with a total of nine sampling tubes 1 in the fixed grid 43 and the placement port 33, and each sampling tube 1 can be independently installed and fixed, so that the nine sampling tubes 1 can form a group, which is convenient for the staff to take and carry the samples in batches, carry the sampled algae to the processing room, and release the algae inside to the processing place by pressing the magnetic block 12 again, clean the algae sample, and properly dry and grind it after cleaning, put the processed algae sample into a colorimetric tube, and add a proper amount of color developer, generate colored compounds under appropriate temperature and time conditions, and put the colorimetric sample colorimetric tube after color development on the background plate for comparison. The colorimetric method can measure the key indicators of lipid content and chlorophyll content in algae.

[0057] Utilizing the technical solution of the present invention, or those skilled in the art designing similar technical solutions inspired by the technical solution of the present invention to achieve the above-mentioned technical effects, all fall within the protection scope of the present invention.

Claims

1. A marine intertidal zone sample collection device, comprising a sampling tube (1), a top cover (2), a hanger (3), and a storage compartment (4), wherein the hanger (3) is sleeved on the outer surface of the storage compartment (4), the top cover (2) and the storage compartment (4) are fixed by threads, and the sampling tube (1) is placed by the hanger (3), characterized in that: The sampling tube (1) comprises an extension tube (11), a magnetic block (12), a soft sealing layer (13), a clamping block (14), a support body (15), a soft strip (16), a rebound plate (17), an outer tube (18), an inner tube (19), a push rod (20), an elastic steel body (21), a limit block (22), and a gripping clamp (23); the clamping block (14) is fixed to the outer surface of the extension tube (11); the magnetic block (12) and the push rod (20) are an integrated structure; the magnetic block (12) penetrates At the center of the soft sealing layer (13), the support body (15) and the outer tube (18) are an integrated structure, the rebound plate (17) is assembled at the bottom end of the outer tube (18), the extension tube (11) is placed inside the outer tube (18), the clamp (14) is limited by a limit block (22), the push rod (20) is connected to the elastic steel body (21), the elastic steel body (21) is located inside the inner tube (19) and moves, and the grabbing clamp (23) is connected to the bottom of the inner tube (19); The rebound plate (17) has a rebound effect. When an external force is applied, it is in a state of counterforce resistance. When the external force is lost, it will return to its original position in time. The soft strip (16) is connected to the tail of the rebound plate (17) to extend and is in close contact with the outer tube (18) through its own softness, so as to separate the space on the inner and outer sides of the outer tube (18). There are two limit blocks (22) at the upper and lower ends of the clamping block (14) to limit the space in two directions. The inner tube (19) is fitted to the inner wall of the outer extension tube (11) and moves together. The tail of the elastic steel body (21) has an outwardly expanding arc and is in a trumpet shape. When the outer tube (18) is pushed, the elastic steel body (21) is pushed to the rear of the rebound plate (17). When the rod (20) is pushed, it will lose the restriction of the inner tube (19) and extend into the inside of the gripping clamp (23), so that the gripping clamp (23) can be extended through the support of the elastic steel body (21). The rear of the gripping clamp (23) itself has an inward buckled shape where the elastic steel body (21) cannot touch. When the push rod (20) is pushed into the gripping clamp (23) to the lowest point, the outer extension tube (11) will be driven out along the outer tube (18) through continuous pushing force. The micro-elastic effect of the elastic steel body (21) itself can bend and adjust according to the changes in the stone surface when the gripping clamp (23) touches the uneven stone surface. The top cover (2) comprises a moving track (01), a main cover (02), a handle (03), a pressing rod (04), a magnetic block (05), and a threaded opening (06); the moving track (01) and the main cover (02) are an integrated structure; the magnetic block (05) is mounted on the bottom of the pressing rod (04); the handle (03) is fixed to the upper surface of the main cover (02); the threaded opening (06) and the main cover (02) are an integrated structure; and the pressing rod (04) is located between the moving track (01) and the main cover (02) for movement.

2. The marine intertidal zone sample collection device according to claim 1, characterized in that: The support body (15) supports the outer tube (18) and is fixed on the hanger (3) as a whole. The hanger (3) can be equipped with five sampling tubes (1). The top cover (2) and the storage compartment (4) are easily assembled and disassembled through threads.

3. The marine intertidal zone sample collection device according to claim 1, characterized in that: The storage compartment (4) comprises a threaded channel (41), an inner compartment (42), and a fixed compartment (43); the threaded channel (41) and the inner compartment (42) are an integrated structure; and the fixed compartment (43) is located at the bottom of the inner compartment (42).

4. The marine intertidal zone sample collection device according to claim 1, characterized in that: The hanger (3) comprises a casing (31), a force-bearing block (32), and a placement opening (33); the casing (31) is sleeved on the outer surface of the storage compartment (4); the placement opening (33) and the force-bearing block (32) are an integrated structure; the force-bearing block (32) is fixed to the outer surface of the casing (31); and a total of five force-bearing blocks (32) are evenly distributed in a circular shape.

5. A method for testing samples collected from intertidal zones of the ocean, characterized in that: The marine intertidal zone sample collection device according to any one of claims 1 to 4 is used, and the sample inspection method is as follows: S1. Install unused sampling tubes (1) in the hanger (3) and the fixed grid (43). A total of nine tubes can be installed. The top cover (2) and the storage grid (4) are assembled by threads, so that the pressing rod (04) can be moved above the sampling tube (1). The handle (03) is convenient for the staff to take the whole device and carry the whole device to move; S2. When sampling of algae on the surface of the rock is required, the pressing rod (04) is pressed, and the handle (03) and the force block (32) support the force point of the pressing rod (04). The magnetic block (05) will be attracted and pushed by the magnetic block (12) below. The push rod (20) will push the elastic steel body (21) to move downward along the inner tube (19) to support and open the gripping clamp (23). The pressing rod (04) is still pushing, and the extension tube (11) will move out of the space of the outer tube (18) to align with the algae on the surface of the rock. The gripping clamp (23) and the elastic steel body (21) have a The elasticity of the clamp (14) is fixed, and when it encounters an uneven rock surface, it will bend and adjust the resistance. After aiming at the algae, the pressure on the pressing rod (04) will be released, and the pressing rod (04) will return to its original position. The magnetic block (12) will first retract the elastic steel body (21) through the force of magnetic attraction, and the gripper (23) will automatically rebound and wrap and grab the algae. Then, the extension tube (11) will be brought into the outer tube (18). The limit block (22) limits the clamping block (14), so that the magnetic block (12) and the magnetic attraction block (05) are separated, so that the extended tube (11) after sampling is stored in the outer tube (18); S4, carrying the sampled algae to the processing room, releasing the algae inside to the processing place by pressing the magnetic block (12) again, cleaning the algae sample, and then drying and grinding it appropriately after cleaning; S5. Place the treated algae sample in a colorimetric tube and add an appropriate amount of color developer. Under appropriate temperature and time conditions, a colored compound is generated. Place the colorimetric tube of the developed sample on a background plate for comparison. The colorimetric method can measure the lipid content and chlorophyll content in the algae.

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