Offshore seawater detection sampler for ecological early warning and use method
By designing a nearshore seawater sampling device with supporting, rotating, and locking components, the problems of low sampling efficiency and safety risks were solved. The device allows for flexible adjustment of the sampling position and height, improving sampling accuracy and efficiency while reducing labor costs.
Patent Information
- Application Number
- CN202511862687.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-11
- Publication Date
- 2026-01-23
AI Technical Summary
Existing nearshore seawater sampling methods are inefficient and cannot meet the needs of large-scale, high-frequency sampling. They also pose safety risks and low sampling accuracy in complex environments.
A nearshore seawater sampling device was designed, comprising a support component, a rotating component, an adjusting component, and a locking component. The rotating component adjusts the position of the sampler, the adjusting component controls the sampling height, and the locking component secures the sampler to ensure stability.
It enables flexible adjustment of sampling location and height, improves sampling accuracy and efficiency, reduces labor costs and safety risks, and provides reliable ecological early warning sample support.
Smart Images

Figure CN121384529A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of seawater detection, in particular to a near-sea seawater detection sampler for ecological early warning and a use method thereof. BACKGROUND
[0002] In the field of marine ecological protection and monitoring, the water quality of near-sea seawater has a crucial influence on the balance of marine ecological system and human production and life. Accurate and timely acquisition of near-sea seawater samples is a key prerequisite for ecological early warning analysis.
[0003] However, the existing near-sea seawater detection sampling methods have many limitations. The traditional manual sampling method not only consumes a large amount of manpower and material resources, but also has low sampling efficiency, and is difficult to meet the large-scale and high-frequency sampling requirements. At the same time, in the complex and changeable near-sea environment, manual operation also faces many safety risks.
[0004] Although some automatic sampling equipment improves the sampling efficiency to a certain extent, the function is relatively single, and the sampling position and height cannot be flexibly adjusted, which is difficult to adapt to the sampling requirements of different depths and different areas. Moreover, these devices are not stable enough in the installation and fixation of the sampler, and are prone to shaking, displacement and other situations during the sampling process, which affects the sampling accuracy and sample quality. SUMMARY
[0005] The purpose of the present application is to provide a near-sea seawater detection sampler for ecological early warning and a use method thereof, which solves the problems raised in the background art and facilitates popularization.
[0006] The near-sea seawater detection sampler for ecological early warning comprises: a support assembly installed on the upper surface of the bottom plate; a rotating assembly arranged on the support assembly; an adjusting assembly arranged on the upper surface of the support assembly; a clamping assembly arranged on the lower surface of the adjusting assembly.
[0007] Further, the support assembly comprises a support groove, a support sliding rail, a support sliding block, a support connecting rod, and a support cross plate. The support groove is fixedly installed on the upper surface of the bottom plate. The support sliding rail is opened in the inner bottom of the support groove. A plurality of support sliding blocks are uniformly arranged in the support sliding rail. The support connecting rod is fixedly installed on the upper surface of the support sliding block. The support cross plate is fixedly installed on the upper surface of the support connecting rod.
[0008] Further, the rotating assembly comprises a rotating mounting plate, a rotating shaft, a bevel gear one, a rotating motor, a driving shaft, a bevel gear two, the rotating mounting plate is fixedly installed on the outer wall of the support groove, the rotating shaft is rotationally arranged at the center of the bottom of the support groove, and the upper end of the rotating shaft is fixedly arranged below the support horizontal plate, the bevel gear one is installed on the rotating shaft, the rotating motor is fixedly installed below the rotating mounting plate, the driving shaft is inserted into the support groove, and the end of the driving shaft is fixedly connected with the output end of the rotating motor, the bevel gear two is installed on the driving shaft, and the bevel gear two is engaged with the bevel gear one.
[0009] Further, the adjusting assembly comprises a vertical plate, an adjusting mounting bracket, an adjusting motor, a winding roller, an adjusting steel cable, an adjusting guide bracket, a guide roller, a guide through hole and an adjusting mounting groove, the vertical plate and the adjusting mounting bracket are symmetrically arranged on the upper surface of the support horizontal plate, the adjusting motor is fixedly installed on the upper surface of the adjusting mounting bracket, one end of the winding roller is fixedly installed on the output end of the adjusting motor, and the other end of the winding roller is rotationally arranged on the inner wall of the vertical plate, the adjusting steel cable, the adjusting guide bracket is fixedly installed on the inner walls of the vertical plate and the adjusting mounting bracket, the guide roller is rotationally arranged on the inner wall of the adjusting guide bracket, the guide through hole is formed in the adjusting guide bracket, one end of the adjusting steel cable is wound on the winding roller, and the adjusting steel cable sequentially passes through the guide roller and the guide through hole, and the adjusting mounting groove is fixedly installed below the adjusting steel cable.
[0010] Further, the clamping assembly comprises a clamping block, a limiting threaded rod, a limiting gasket, a limiting nut and a sampler, the clamping block is inserted into the adjusting mounting groove, the limiting threaded rod is inserted into the adjusting mounting groove, one end of the adjusting mounting groove is fixedly arranged on the clamping block, the limiting gasket is sleeved on the limiting threaded rod, and the limiting nut is threadedly connected on the limiting threaded rod.
[0011] The use method of the offshore seawater detection sampler for ecological early warning comprises the following steps: Step one: installation preparation, place the bottom plate stably in a suitable position near the sea, ensure that the entire sampler is in a stable state, check whether the connection of each component is firm, including the fixed installation of the support groove in the support assembly and the bottom plate, the sliding smoothness of the support slider in the support slide rail, the fixed connection of the support connecting rod and the support slider, the support cross plate, the fixed installation of the rotating installation plate in the rotating assembly and the outer wall of the support groove, the rotating flexibility of the rotating shaft at the bottom of the support groove, the fixed installation of the rotating motor and the rotating installation plate, and the insertion of the driving shaft in the support groove, the symmetrical setting of the vertical plate and the adjusting mounting bracket in the adjusting assembly on the support cross plate, the fixed installation of the adjusting motor and the adjusting mounting bracket, the connection of the winding roller and the output end of the adjusting motor and the inner wall of the vertical plate, the fixed installation of the adjusting guide frame in the inner wall of the vertical plate and the adjusting mounting bracket, and the rotating flexibility of the guide roller in the inner wall of the adjusting guide frame, the insertion and cooperation of the clamping block and the adjusting mounting groove in the clamping assembly, the connection of the limiting threaded rod and the adjusting mounting groove and the clamping block, and the installation of the limiting washer and the limiting nut on the limiting threaded rod; Step two: position adjustment, start the rotating motor, the rotating motor drives the driving shaft to rotate, the bevel gear two on the driving shaft rotates, the bevel gear two is engaged with the bevel gear one installed on the rotating shaft, thereby driving the rotating shaft to rotate, the rotating shaft drives the support cross plate to rotate, the support cross plate drives the adjusting assembly and the clamping assembly on it to rotate, and the sampler is adjusted to a suitable horizontal position according to actual needs; Step three: height adjustment, start the adjusting motor, the adjusting motor drives the winding roller to rotate, the winding roller winds or releases the adjusting steel cable, the adjusting steel cable is guided by the guide roller and the guide through hole, the adjusting mounting groove is raised or lowered, the clamping assembly and the sampler are raised or lowered, and the sampler is adjusted to a suitable sampling height; Step four: sampler installation and fixation, place the sampler in the clamping block, make the sampler tightly cooperate with the clamping block, then insert the limiting threaded rod into the adjusting mounting groove, and ensure that one end of the limiting threaded rod is fixed on the clamping block, then sequentially put on the limiting washer and tighten the limiting nut, and firmly fix the sampler on the clamping assembly; Step five: sampling operation, after the sampler reaches the suitable sampling position and is fixed stably, control the sampler to perform near-sea water sampling operation; Step six: sampling completion processing, after sampling is completed, according to the steps opposite to height adjustment and position adjustment, first lift the sampler to a safe height, then rotate it to a position convenient for operation, then loosen the limiting nut and the limiting washer, take out the sampler, and perform subsequent ecological early warning analysis and processing on the seawater sample in the sampler.
[0012] As an improvement, the beneficial effects of the present application are: The offshore seawater detection sampler for ecological early warning and the use method thereof have a rotating component capable of flexibly adjusting the horizontal position of the sampler, and an adjusting component capable of accurately controlling the sampling height, thereby meeting the sampling requirements of different depths and regions. The clamping component design makes the sampler stable and avoids shaking and displacement, thereby ensuring the sampling accuracy. Compared with the traditional method, the sampling efficiency is greatly improved, the labor cost and safety risk are reduced, and reliable sample support is provided for offshore ecological early warning. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 Figure A is an isometric view of the offshore seawater detection sampler for ecological early warning and the use method thereof according to the present application; Figure 2 Figure B is an isometric view of the offshore seawater detection sampler for ecological early warning and the use method thereof according to the present application; Figure 3 Figure C is an isometric view of the offshore seawater detection sampler for ecological early warning and the use method thereof according to the present application; Figure 4 Figure A is an enlarged view of the A place in the offshore seawater detection sampler for ecological early warning and the use method thereof according to the present application; Figure 1 Figure 5 Figure B is an enlarged view of the B place in the offshore seawater detection sampler for ecological early warning and the use method thereof according to the present application; Figure 2 Figure 6 Figure C is an enlarged view of the C place in the offshore seawater detection sampler for ecological early warning and the use method thereof according to the present application; Figure 3 Correspondence table of reference signs: 1, support component; 101, support groove; 102, support sliding rail; 103, support sliding block; 104, support connecting rod; 105, support cross plate; 2, bottom plate; 3, rotating component; 301, rotating mounting plate; 302, rotating shaft; 303, bevel gear one; 304, rotating motor; 305, drive shaft; 306, bevel gear two; 4, adjusting component; 401, vertical plate; 402, adjusting mounting frame; 403, adjusting motor; 404, winding roller; 405, adjusting steel cable; 406, adjusting guide frame; 407, guide roller; 408, guide through hole; 409, adjusting mounting groove; 5, clamping component; 501, clamping block; 502, limiting threaded rod; 503, limiting washer; 504, limiting nut; 505, sampler. DETAILED DESCRIPTION
[0014] The specific embodiments of the present application will be further described below in conjunction with the drawings. Identical parts are denoted by identical reference numerals. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "inner" and "outer" refer to the directions towards or away from the geometric center of a particular component.
[0015] In order to make the content of the present application easier to be clearly understood, the technical solutions in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application. The same parts are denoted by the same reference numerals.
[0016] The offshore seawater detection sampler for ecological early warning provided in the embodiment comprises a supporting assembly 1, a rotating assembly 3, an adjusting assembly 4 and a clamping assembly 5.
[0017] In the embodiment, the supporting assembly 1 comprises a supporting groove 101, a supporting sliding rail 102, supporting sliding blocks 103, a supporting connecting rod 104 and a supporting cross plate 105. The supporting groove 101 is fixedly installed above the bottom plate 2, the supporting sliding rail 102 is formed in the inner bottom of the supporting groove 101, the supporting sliding blocks 103 are uniformly and slidably arranged in the supporting sliding rail 102, the supporting connecting rod 104 is fixedly installed above the supporting sliding blocks 103, and the supporting cross plate 105 is fixedly installed above the supporting connecting rod 104.
[0018] In the embodiment, the rotating assembly 3 comprises a rotating installation plate 301, a rotating shaft 302, a bevel gear one 303, a rotating motor 304, a driving shaft 305 and a bevel gear two 306. The rotating installation plate 301 is fixedly installed on the outer wall of the supporting groove 101, the rotating shaft 302 is rotatably arranged at the center of the inner bottom of the supporting groove 101, the upper end of the rotating shaft 302 is fixedly arranged below the supporting cross plate 105, the bevel gear one 303 is installed on the rotating shaft 302, the rotating motor 304 is fixedly installed below the rotating installation plate 301, the driving shaft 305 is inserted into the supporting groove 101, the end of the driving shaft 305 is fixedly connected with the output end of the rotating motor 304, and the bevel gear two 306 is installed on the driving shaft 305 and engaged with the bevel gear one 303.
[0019] In the embodiment, the adjusting assembly 4 comprises a vertical plate 401, an adjusting installation frame 402, an adjusting motor 403, a winding roller 404, an adjusting steel cable 405, an adjusting guide frame 406, a guide roller 407, a guide through hole 408 and an adjusting installation groove 409. The vertical plate 401 and the adjusting installation frame 402 are symmetrically arranged above the supporting cross plate 105, the adjusting motor 403 is fixedly installed above the adjusting installation frame 402, one end of the winding roller 404 is fixedly installed on the output end of the adjusting motor 403, the other end of the winding roller 404 is rotatably arranged on the inner wall of the vertical plate 401, the adjusting guide frame 406 is fixedly installed on the inner walls of the vertical plate 401 and the adjusting installation frame 402, the guide roller 407 is rotatably arranged on the inner wall of the adjusting guide frame 406, the guide through hole 408 is formed in the adjusting guide frame 406, one end of the adjusting steel cable 405 is wound on the winding roller 404, the adjusting steel cable 405 passes through the guide roller 407 and the guide through hole 408 in sequence, and the adjusting installation groove 409 is fixedly installed below the adjusting steel cable 405.
[0020] In this embodiment, the clamping assembly 5 comprises a clamping block 501, a limiting threaded rod 502, a limiting gasket 503, a limiting nut 504 and a sampler 505. The clamping block 501 is inserted into the adjusting installation groove 409, the limiting threaded rod 502 is inserted into the adjusting installation groove 409, and one end of the adjusting installation groove 409 is fixedly arranged on the clamping block 501. The limiting gasket 503 is sleeved on the limiting threaded rod 502, and the limiting nut 504 is threadedly connected to the limiting threaded rod 502.
[0021] The use method of the offshore seawater detection sampler for ecological early warning comprises the following steps: Step one: installation preparation, place the bottom plate 2 stably at a suitable position in the offshore area, ensure that the entire sampler is in a stable state, check whether the connection of each component is firm, including the fixed installation of the support groove 101 in the support assembly 1 and the bottom plate 2, the sliding smoothness of the support sliding block 103 in the support sliding rail 102, the fixed connection of the support connecting rod 104, the support sliding block 103 and the support cross plate 105; the fixed installation of the rotating installation plate 301 in the rotating assembly 3 and the outer wall of the support groove 101, the rotating flexibility of the rotating shaft 302 in the bottom of the support groove 101, the fixed installation of the rotating motor 304 and the rotating installation plate 301, and the insertion of the driving shaft 305 into the support groove 101; the symmetrical arrangement of the vertical plate 401 and the adjusting installation frame 402 in the adjusting assembly 4 on the support cross plate 105, the fixed installation of the adjusting motor 403 and the adjusting installation frame 402, the connection of the winding roller 404 and the output end of the adjusting motor 403 and the inner wall of the vertical plate 401, the fixed installation of the adjusting guide frame 406 in the inner wall of the vertical plate 401 and the adjusting installation frame 402, and the rotating flexibility of the guide roller 407 in the inner wall of the adjusting guide frame 406; the insertion and cooperation of the clamping block 501 and the adjusting installation groove 409 in the clamping assembly 5, the connection of the limiting threaded rod 502 and the adjusting installation groove 409 and the clamping block 501, and the installation of the limiting gasket 503 and the limiting nut 504 on the limiting threaded rod 502; Step two: position adjustment, start the rotating motor 304, the rotating motor 304 drives the driving shaft 305 to rotate, the bevel gear two 306 on the driving shaft 305 rotates accordingly, the bevel gear two 306 meshes with the bevel gear one 303 installed on the rotating shaft 302, thereby driving the rotating shaft 302 to rotate, the rotating shaft 302 drives the support cross plate 105 to rotate, the support cross plate 105 drives the adjusting assembly 4 and the clamping assembly 5 thereon to rotate, and the sampler 505 is adjusted to a suitable horizontal position according to actual needs; Step three: height adjustment, start the adjusting motor 403, the adjusting motor 403 drives the winding roller 404 to rotate, the winding roller 404 winds or releases the adjusting cable 405, the adjusting cable 405 drives the adjusting installation groove 409 to rise or fall under the guidance of the guide roller 407 and the guide through hole 408, the adjusting installation groove 409 drives the clamping assembly 5 and the sampler 505 to rise or fall, and the sampler 505 is adjusted to a suitable sampling height; Step four: sampler installation and fixation, the sampler 505 is placed in the clamping block 501, the sampler 505 is tightly matched with the clamping block 501, then the limiting threaded rod 502 is inserted on the adjusting installation groove 409, and it is ensured that one end of the limiting threaded rod 502 is fixed on the clamping block 501, then the limiting washer 503 is sequentially sleeved and the limiting nut 504 is tightened, and the sampler 505 is firmly fixed on the clamping assembly 5; Step five: sampling operation, after the sampler 505 reaches a suitable sampling position and is fixed stably, the offshore seawater sampling operation is controlled to be performed on the sampler 505; Step six: sampling completion processing, after the sampling is completed, according to the steps opposite to the height adjustment and the position adjustment, the sampler 505 is first lifted to a safe height, then it is rotated to a position convenient for operation, then the limiting nut 504 and the limiting washer 503 are loosened, the sampler 505 is taken out, and the seawater sample in the sampler 505 is subjected to subsequent ecological early warning analysis processing.
[0022] The above is only a preferred embodiment of the patent, and is not used to limit the patent, and any modification, equivalent replacement and improvement made within the spirit and principle of the patent should be included in the protection scope of the patent.
Claims
1. An offshore seawater detection sampler for ecological early warning, characterized in that, Include: Supporting assembly (1) is installed on the upper surface of the bottom plate (2); Rotary assembly (3) is arranged on the supporting assembly (1); Adjusting assembly (4) is arranged on the upper surface of the supporting assembly (1); The card is set in the component (5) below the adjusting assembly (4).
2. The offshore seawater detection sampler for ecological early warning according to claim 1, characterized in that, The supporting assembly (1) includes a supporting groove (101), a supporting slide rail (102), a supporting slide block (103), a supporting connecting rod (104), and a supporting cross plate (105). The supporting groove (101) is fixedly installed on the upper surface of the bottom plate (2). The supporting slide rail (102) is opened in the inner bottom of the supporting groove (101). A plurality of supporting slide blocks (103) are uniformly and slidingly arranged in the supporting slide rail (102). The supporting connecting rod (104) is fixedly installed on the upper surface of the supporting slide block (103). The supporting cross plate (105) is fixedly installed on the upper surface of the supporting connecting rod (104).
3. The offshore seawater detection sampler for ecological early warning according to claim 2, characterized in that, The rotary assembly (3) includes a rotary mounting plate (301), a rotary shaft (302), a bevel gear one (303), a rotary motor (304), a drive shaft (305), and a bevel gear two (306). The rotary mounting plate (301) is fixedly installed on the outer wall of the supporting groove (101). The rotary shaft (302) is rotatably arranged at the center of the inner bottom of the supporting groove (101). The upper end of the rotary shaft (302) is fixedly arranged below the supporting cross plate (105). The bevel gear one (303) is installed on the rotary shaft (302). The rotary motor (304) is fixedly installed below the rotary mounting plate (301). The drive shaft (305) is inserted into the supporting groove (101). The end of the drive shaft (305) is fixedly connected with the output end of the rotary motor (304). The bevel gear two (306) is installed on the drive shaft (305), and the bevel gear two (306) is engaged with the bevel gear one (303).
4. The offshore seawater detection sampler for ecological early warning according to claim 3, characterized in that, The adjusting assembly (4) comprises a vertical plate (401), an adjusting mounting frame (402), an adjusting motor (403), a winding roller (404), an adjusting cable (405), an adjusting guide frame (406), a guide roller (407), a guide through hole (408) and an adjusting mounting groove (409), the vertical plate (401) and the adjusting mounting frame (402) are symmetrically arranged above the supporting horizontal plate (105), the adjusting motor (403) is fixedly installed above the adjusting mounting frame (402), one end of the winding roller (404) is fixedly installed on the output end of the adjusting motor (403), and the other end of the winding roller (404) is rotatably arranged on the inner wall of the vertical plate (401), the adjusting cable (405), the adjusting guide frame (406) is fixedly installed on the inner walls of the vertical plate (401) and the adjusting mounting frame (402), the guide roller (407) is rotatably arranged on the inner wall of the adjusting guide frame (406), the guide through hole (408) is formed in the adjusting guide frame (406), one end of the adjusting cable (405) is wound on the winding roller (404), and the adjusting cable (405) sequentially passes through the guide roller (407) and the guide through hole (408), and the adjusting mounting groove (409) is fixedly installed below the adjusting cable (405).
5. The offshore seawater detection sampler for ecological early warning according to claim 4, characterized in that, The clamping assembly (5) comprises a clamping block (501), a limiting threaded rod (502), a limiting gasket (503), a limiting nut (504) and a sampler (505), the clamping block (501) is inserted into the adjusting mounting groove (409), the limiting threaded rod (502) is inserted into the adjusting mounting groove (409), one end of the adjusting mounting groove (409) is fixedly arranged on the clamping block (501), the limiting gasket (503) is sleeved on the limiting threaded rod (502), and the limiting nut (504) is threadedly connected on the limiting threaded rod (502).
6. The use method of the offshore seawater detection sampler for ecological early warning according to any one of claims 1-5, comprising the following steps: Step one: installation preparation, the bottom plate (2) is stably placed in the appropriate position of the sea, ensure that the whole sampler is in a stable state, check whether the connection of each component is firm, including the fixed installation of the support groove (101) in the support assembly (1) and the bottom plate (2), the sliding smoothness of the support sliding block (103) in the support sliding rail (102), the fixed connection of the support connecting rod (104) with the support sliding block (103) and the support cross plate (105); The fixed installation of the rotating installation plate (301) in the rotating assembly (3) and the outer wall of the support groove (101), the rotating flexibility of the rotating shaft (302) in the bottom of the support groove (101), the fixed installation of the rotating motor (304) and the rotating installation plate (301), and the insertion of the driving shaft (305) and the support groove (101); The symmetric setting of the stand plate (401) and the adjusting mounting bracket (402) in the adjusting assembly (4) on the support cross plate (105), the fixed installation of the adjusting motor (403) and the adjusting mounting bracket (402), the connection of the winding roller (404) with the output end of the adjusting motor (403) and the inner wall of the stand plate (401), the fixed installation of the adjusting guide bracket (406) in the inner wall of the stand plate (401) and the adjusting mounting bracket (402), and the rotating flexibility of the guide roller (407) in the inner wall of the adjusting guide bracket (406); The insertion and cooperation of the clamping block (501) and the adjusting mounting groove (409) in the clamping assembly (5), the connection of the limiting threaded rod (502) with the adjusting mounting groove (409) and the clamping block (501), and the installation of the limiting washer (503) and the limiting nut (504) on the limiting threaded rod (502); Step two: position adjustment, start the rotating motor (304), the rotating motor (304) drives the driving shaft (305) to rotate, the bevel gear two (306) on the driving shaft (305) rotates, the bevel gear two (306) is engaged with the bevel gear one (303) installed on the rotating shaft (302), thereby driving the rotating shaft (302) to rotate, the rotating shaft (302) drives the support cross plate (105) to rotate, the support cross plate (105) drives the adjusting assembly (4) and the clamping assembly (5) on it to rotate, and the sampler (505) is adjusted to the appropriate horizontal position according to the actual demand; Step three: height adjustment, start the adjusting motor (403), the adjusting motor (403) drives the winding roller (404) to rotate, the winding roller (404) winds or releases the adjusting steel cable (405), the adjusting steel cable (405) is guided by the guide roller (407) and the guide through hole (408), drives the adjusting mounting groove (409) to rise or fall, the adjusting mounting groove (409) drives the clamping assembly (5) and the sampler (505) to rise or fall, and the sampler (505) is adjusted to the appropriate sampling height; Step four: sampler installation and fixation, place the sampler (505) in the clamping block (501), make the sampler (505) and the clamping block (501) fit closely, then insert the limiting threaded rod (502) into the adjusting installation groove (409), and ensure that one end of the limiting threaded rod (502) is fixed on the clamping block (501), then sequentially put on the limiting washer (503) and tighten the limiting nut (504), and firmly fix the sampler (505) on the clamping assembly (5); Step five: sampling operation, after the sampler (505) reaches the appropriate sampling position and is fixed stably, control the sampler (505) to perform offshore seawater sampling operation; Step six: sampling completion processing, after sampling is completed, according to the steps opposite to height adjustment and position adjustment, first lift the sampler (505) to a safe height, then rotate it to a position convenient for operation, then loosen the limiting nut (504) and the limiting washer (503), take out the sampler (505), and perform subsequent ecological early warning analysis and processing on the seawater sample in the sampler (505).
Citation Information
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