CN115112424B - Automatic hydrologic water sampling device in tide cycle - Google Patents
Automatic hydrologic water sampling device in tide cycle Download PDFInfo
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- CN115112424B CN115112424B CN202210596487.9A CN202210596487A CN115112424B CN 115112424 B CN115112424 B CN 115112424B CN 202210596487 A CN202210596487 A CN 202210596487A CN 115112424 B CN115112424 B CN 115112424B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C13/00—Surveying specially adapted to open water, e.g. sea, lake, river or canal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1031—Sampling from special places
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- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Hydrology & Water Resources (AREA)
- Health & Medical Sciences (AREA)
- Computer Networks & Wireless Communication (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses an automatic hydrologic water sampling device in a tide period, which comprises a floater, a sampling frame and a counterweight, wherein the floater is connected with the counterweight through a connecting rope; the periphery of sampling frame evenly sets up a plurality of water sample bottles, and water sample bottle's upper and lower sets up the opening and sets up the bottle lid that can open and close at the opening part, still is provided with bottle lid controller, time-recorder and trigger on the sampling frame, and the bottle lid of each water sample bottle all is connected to bottle lid controller department through respective control rope, and the trigger pulls the control rope of bottle lid controller department and makes the bottle lid of a certain water sample bottle open, and the time-recorder feeds back the pulling of the preceding control rope of signal command trigger completion after every predetermined time period, begins pulling the latter control rope. The invention adopts an integrated automatic mechanical control structure, does not need manpower or a complex control system, and can greatly reduce the manpower and the ship cost.
Description
Technical Field
The invention relates to a sampling device, in particular to an automatic hydrologic water sampling device in a tide cycle.
Background
The offshore hydrological investigation is basically the most basic work of all ocean engineering projects and ocean research, the hydrological water sampling workload is large, but the current water sample collection on the offshore of hydrology is basically artificial sampling, every time a tide period (26H) reaches a whole point, a worker firstly descends to the seabed to estimate the water depth of a site by using a temporarily installed hydrological winch, then descends the horizontal water sampler to the designated water depth (such as a surface layer, 0.2H, 0.42H, 0.6H, 0.8H and a bottom layer) according to the estimated water depth, closes the horizontal water sampler by using a stone hammer to obtain a certain amount of water body, and then pours the water sample into a numbered water sample bottle, and the operation mode is original and a large amount of manpower and material resources are needed. The invention is to update the water mining operation mode of hydrology, realize the automatic water mining of each standard layer of water depth in one tide period, liberate manpower and material resources, change the labor intensive characteristic of the existing hydrology work, can reduce manpower and ship cost greatly.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide an automatic hydrologic water sampling device in a tide period, which can realize automatic water sampling time by time, and completes water sample collection work for 26 continuous hours of hydrologic test by setting enough water sample bottles, replaces manual 26-hour continuous operation, improves the degree of automation and saves manpower and material resources.
In order to achieve the above purpose, the present invention provides the following technical solutions: an automatic hydrologic water sampling device in a tide period comprises a floater, a sampling frame and a counterweight, wherein the floater is connected with the counterweight through a connecting rope; the periphery of sampling frame evenly sets up a plurality of water sample bottles, and water sample bottle's upper and lower sets up the opening and sets up the bottle lid that can open and close at the opening part, still is provided with bottle lid controller, time-recorder and trigger on the sampling frame, and the bottle lid of each water sample bottle all is connected to bottle lid controller department through respective control rope, and the trigger pulls the control rope of bottle lid controller department and makes the bottle lid of a certain water sample bottle open, and the time-recorder feeds back the pulling of the preceding control rope of signal command trigger completion after every predetermined time period, begins pulling the latter control rope.
As an improvement, 30 water sample bottles are uniformly arranged on the periphery of the sampling frame, and the interval between every two adjacent water sample bottles is 12 degrees.
As a modification, the predetermined time is 1 hour, and the maximum counting time of the timer is 26 to 30 hours.
As an improvement, the upper bottle cap and the lower bottle cap of each water sample bottle are arranged at the opening in a turnover way through hinges, and an elastic rope is connected between the two bottle caps, when the control ropes on the two bottle caps are not pulled by the trigger, the elastic rope drives the two bottle caps to cover the opening.
As an improvement, the bottle cap controller comprises a mounting frame and a plurality of mounting shafts which are rotatably arranged on the mounting frame, wherein the mounting shafts are uniformly arranged in the circumferential direction on the mounting frame, the number and the positions of the mounting shafts are in one-to-one correspondence with those of the water sample bottles, and the mounting shafts are in one-to-one correspondence with the respective control ropes; the trigger comprises a driving piece and a transmission piece which are mutually linked, wherein the transmission piece is used for being clamped at the installation shaft to drive, and the driving piece drives the installation shaft to rotate when driving the transmission piece to move so that the control rope is wound on the installation shaft.
As an improvement, the trigger further comprises a swing arm and a second motor for driving the swing arm to rotate, a driving cylinder is arranged at the far end of the swing arm, a driving piece is arranged on a driving shaft of the driving cylinder and drives the driving piece and the driving piece to move, the driving piece is a first motor, a driving piece is arranged on a motor shaft of the first motor, the driving piece is provided with a driving hole matched with the mounting shaft, and when the driving cylinder drives the driving hole to move to be sleeved on the mounting shaft, the driving hole and the driving piece are matched and linked; the timer feeds back a signal after a preset time to enable the trigger to reset integrally, and then enables the second motor to drive the swing arm to rotate to enable the transmission hole to correspond to the next installation shaft.
As an improvement, the mounting shaft is arranged into a conical shape with a small outside diameter and a large inside diameter, so that the transmission holes are clamped by the large-diameter part to limit each other when sleeved on the mounting shaft.
As an improvement, the sampling frame is a cylinder, an inner pipe is arranged at the central position of the sampling frame and used for the connecting rope to pass through up and down, and a locking piece is arranged on the inner pipe wall and used for locking or unlocking the connecting rope.
As an improvement, an AIS system is mounted on the float.
As an improvement, 26 of the 30 water sample bottles are taken as formal sampling bottles, and the remaining 4 water sample bottles are reserved for 4 hours of debugging time before formal sampling of the device or taken as standby sampling bottles.
The device has the beneficial effects that the device can realize automatic water sampling time by time, complete continuous 26-hour water sample collection work of hydrologic test, replace manual 26-hour continuous operation, set the starting time within 4 hours, and facilitate site multipoint synchronous observation; the invention adopts an integrated automatic mechanical control structure, does not need manpower or a complex control system, is suitable for the offshore complex environment, does not need measuring the water depth, and realizes the water sample collection of a standard layer by utilizing a similar principle.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view showing a longitudinal structure of the bottle cap controller and the trigger according to the present invention in cross-section.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the automatic hydrologic water sampling device in the tide cycle of the invention comprises a floater 1, a sampling frame 2 and a counterweight 3, wherein the floater 1 and the counterweight 3 are connected through a connecting rope 4, and the sampling frame 2 is arranged on the connecting rope 4 in a vertically sliding way and is arranged on the connecting rope 4 through a locking piece 5; the periphery of sampling frame 2 evenly sets up a plurality of water sample bottle 6, and water sample bottle 6 sets up the opening from top to bottom and sets up the bottle lid 61 that can open and close at the opening part, still is provided with bottle lid controller 7, time-recorder 8 and trigger 9 on the sampling frame 2, and the bottle lid 61 of each water sample bottle 6 all is connected to bottle lid controller 7 department through respective control rope 62, and trigger 9 pulls the control rope 62 of bottle lid controller 7 department and makes the bottle lid 61 of a certain water sample bottle 6 open, and time-recorder 8 feeds back the pulling of signal order trigger 9 ending preceding control rope 62 after every predetermined time passes, begins pulling later control rope 62.
When the invention is used, a worker firstly estimates the water depth and the high tide level of each station according to the data such as sea charts, tidal tables and the like, the water depth is overlapped with the high tide level to be used as the rope length of the connecting rope 4, the fixed position of the sampling frame 2 is determined on the rope length according to the standard layer water depth proportion, and the sampling frame is put into water, and the sampling frame is inclined under the operation of tide level change and flow velocity, but the water level height is not influenced according to the similar principle. The device is limited by the sinking of the counterweight 3, and the floater 1 floats on the water surface, so that workers can conveniently find and recover the device later; preferably, an AIS system, an automatic ship identification system (Automatic Identification System), an AIS system for short, is arranged on the floater 1, and can help workers to search and recover the device rapidly through GPS positioning. The sampling frame 2 is set to be of a proper size, preferably a cylindrical body, a plurality of groups of water sample bottles 6 are arranged on the outer circumference, at least 26 water sample bottles 6 are preferably arranged for 26 hours due to the tide period, water samples per hour in one tide period can be collected, and then the device is collected uniformly. The water sample bottles 6 which are immersed into the preset water depth are automatically controlled by arranging the bottle cap controller 7, the timer 8 and the trigger 9, the timer 8 counts the whole experiment time, and after every hour, the time is fed back to the trigger 9 to be sequentially adjusted, namely, the previous water sample bottle 6 is closed, the next water sample bottle 6 is opened, and the collection of the water sample is completed within a period of 26 hours. The device can be realized by adopting a simple mechanical structure in deepwater, particularly a water sample bottle 6 structure with an upper opening and a lower opening and matched with an openable bottle cap 61, so that the device is beneficial to the full flow of water when being opened, and the water sample with the matched components in water depth and region is collected after the full mixed flow in 1 hour; the bottle cap 61 is connected to the bottle cap controller 7 through the control rope 62 to form stable mechanical limit, and then the corresponding control rope 62 is pulled through the driving trigger 9, so that the bottle cap 61 can be effectively opened, and after the pulling of the control rope 62 is released, the bottle cap 61 can be closed again through the existing reset structure. The invention completely liberates manpower and material resources on the whole, does not need manpower participation in the water sample collecting process, can realize the automatic function except placement and collection, and can greatly reduce the manpower and ship cost.
As an improved specific embodiment, 30 water sample bottles 6 are uniformly arranged on the periphery of the sampling frame 2, and 12 degrees are spaced between adjacent water sample bottles 6. Preferably, 26 of the 30 water sample bottles 6 are taken as formal sampling bottles, and the remaining 4 are reserved for 4 hours of debugging time before formal sampling of the device or taken as standby sampling bottles.
The water sample bottles 6 with the number being specifically set, 26 of the water sample bottles complete the continuous 26-hour water sample collection work of the hydrologic test, replace manual 26-hour continuous operation, reserve the preparation time before the start in 4 hours for workers through the water sample bottles 6 with the number being more, facilitate multi-point position setting on site, and can synchronously observe in different flow speed positions, so that richer and effective water sample collection is obtained. If the preparation time before starting is not spent, the residual water sample bottle 6 can be used as a standby sampling bottle body to participate in water sample collection. And the water sample bottles 6 are uniformly arranged, so that the weight of the sampling frame 2 in water is kept stable, and the bottle cap controller 7 and the trigger 9 are convenient to connect and correspond to each other.
As a modified embodiment, the predetermined time is 1 hour, and the maximum counting time of the timer 8 is 26 to 30 hours.
As described above, in cooperation with the tide cycle of 26 hours, each water sample bottle 6 is scheduled to be opened for 1 hour, so that after the seawater is fully mixed and flowed, an effective water sample is formed in the water sample bottle 6, then the water sample bottles 6 are switched, and in cooperation with the set number of the water sample bottles 6, the maximum timing time of the timer 8 is limited, so that after the maximum timing time passes, the timer 8 stops working, that is, no adjustment instruction is sent to the trigger 9 any more, and all the water sample bottles 6 are well closed after one acquisition cycle is completed and are collected by staff later. The timing time is adjusted for 26-30 hours, and the setting can be carried out according to the use requirement of the staff on the water sample bottle 6, so that the more flexible use requirement is achieved.
As an improved specific embodiment, the upper and lower bottle caps 61 of each water sample bottle 6 are arranged at the opening in a reversible way through hinges, and an elastic rope 63 is connected between the two bottle caps 61, when the control rope 62 on the two bottle caps 61 is not pulled by the trigger 9, the elastic force of the elastic rope 63 drives the two bottle caps 61 to cover the opening.
As shown in fig. 1, to reduce the installation cost of the whole device and to adapt to the harsh environment in the deep sea, an implementation of an elastic rope 63 is adopted, which can resist seawater erosion for a period of time without failure and damage, and has lower cost, and can also be replaced after collection for the next collection work; the implementation mode of the trigger 9 can be simplified through the arrangement of the elastic rope 63, the trigger is driven to pull the control rope 62, after the control rope 62 is loosened, the control rope 62 is driven to reversely reset without other extra mechanical structures, the elastic rope 63 is stretched after the two-end bottle caps 61 are turned over and opened, the two-end bottle caps 61 can be quickly covered by the pulling force of the elastic rope 63 after losing the force pulled by the control rope 62, and the two-end bottle caps 61 can keep a good closing state through the elastic pulling force, so that the collected water sample is effectively sealed; the realization mode of the elastic rope 63 does not influence the normal entering of the seawater into the water sample bottle 6 and performs good mixed flow, so that the effectiveness of collecting the water sample is ensured.
As an improved specific embodiment, the bottle cap controller 7 comprises a mounting frame 71 and a plurality of mounting shafts 72 rotatably arranged on the mounting frame 71, wherein the mounting shafts 72 are uniformly arranged on the mounting frame 71 in the circumferential direction, the number and the positions of the mounting shafts 72 are in one-to-one correspondence with those of the water sample bottles 6, and the mounting shafts 72 are in one-to-one correspondence with the respective control ropes 62; the trigger 9 comprises a driving piece 91 and a transmission piece 92 which are mutually linked, the transmission piece 92 is used for being clamped at the installation shaft 72 to drive, and the driving piece 91 drives the installation shaft 72 to rotate when driving the transmission piece 92 to move so as to enable the control rope 62 to be wound on the installation shaft 72.
In the embodiment shown in fig. 2, the mounting frame 71 is configured as a disc structure, and a circle of mounting shafts 72 are arranged on the outer circumference, and the number and positions of the mounting shafts 72 correspond to those of the water sample bottles 6, so as to position the corresponding control ropes 62 on the mounting shafts 72; the transmission piece 92 of the trigger 9 is in clamping fit with the mounting shaft 72, and the corresponding mounting shaft 72 can be driven by the driving piece 91 to rotate, so that the control rope 62 is wound on the mounting shaft 72, the control rope 62 is pulled, and the bottle cap 61 is pulled and positioned stably; releasing the control cord 62 upon reverse actuation of the trigger 9 causes the corresponding water sample bottle 6 to close. The whole parts of the bottle cap controller 7 and the trigger 9 can be sealed through a shell structure, so that the normal work of the bottle cap controller is ensured not to be corroded in the seawater environment, and the position of the mounting shaft 72 externally connected with the control rope 62 can be matched with the mounting frame 71 to form a sealing ring, so that seawater is prevented from entering.
As an improved specific embodiment, the trigger 9 further comprises a swing arm 93 and a second motor 94 for driving the swing arm 93 to rotate, a driving cylinder 95 is arranged at the far end of the swing arm 93, a driving piece 91 is arranged on a driving shaft of the driving cylinder 95 and drives the driving piece 91 and the driving piece 92 to displace, the driving piece 91 is a first motor, a driving piece 92 is arranged on a motor shaft of the first motor, the driving piece 92 is provided with a driving hole matched with the mounting shaft 72, and when the driving cylinder 95 drives the driving hole to displace to be sleeved on the mounting shaft 72, the driving piece and the driving piece are matched and linked; the timer 8 returns a signal to reset the trigger 9 as a whole after a predetermined time elapses, and then causes the second motor 94 to drive the swing arm 93 to rotate 12 degrees, so that the transmission hole corresponds to the next mounting shaft 72.
As shown in fig. 2, as an optimized design of a structure, the second motor 94 drives the rotation structure of the swing arm 93, and the matching structure of the driving cylinder 95, the driving member 91 and the driving member 92 can be used to adjust the positions by rotation to correspond to all the mounting shafts 72 on the circumferential positions, so that the number of mechanical mechanisms and driving mechanisms and occupation of arrangement space can be effectively simplified, the matching power supply mechanism and control mechanism can be simplified, the overall occupied structural space can be effectively reduced, and the structural design of the sampling frame 2 is smaller. The specific transmission member 92 is provided with a transmission hole, and reaches the corresponding installation shaft 72 when extending through the extending and retracting adjustment positions of the driving cylinder 95, and the driving member 91 drives the installation shaft 72 to rotate and wind the control rope 62; when the driving cylinder 95 is retracted, the transmission member 92 is separated from the corresponding mounting shaft 72, and at the moment, the second motor 94 drives the swing arm 93 to rotate by a preset angle, so that the driving cylinder 95, the driving member 91 and the transmission member 92 correspond to the next mounting shaft 72, and then the next water sample bottle 6 is opened to collect water samples.
As a modified embodiment, the mounting shaft 72 is tapered with a smaller diameter outside and a larger diameter inside, so that the transmission hole is clamped by the larger diameter part to limit each other when being sleeved on the mounting shaft 72.
As shown in fig. 2, the conical mounting shaft 72 is designed at the end, so that the transmission hole can be smoothly moved and inserted into the mounting shaft 72 at any angle, and the transmission hole is abutted against the large diameter of the mounting shaft 72 by the extending pressure of the driving cylinder 95, so that the two are mutually clamped and limited by each other, and synchronous action can be performed during rotation.
As an improved specific embodiment, the sampling frame 2 is a cylinder, an inner tube 21 is arranged at the central position of the sampling frame for the connecting rope 4 to pass through up and down, and a locking piece 5 is arranged on the wall of the inner tube 21 to lock or unlock the connecting rope 4.
As shown in fig. 1, the connecting rope 4 is penetrated by an inner pipe 21 in the center of the structure and can slide up and down, so that the stability of the structure in water is maintained, and the upper and lower positions can be adjusted well; the locking member 5 may preferably be a structure such as a fastener, for example, a bolt, which is screwed on the wall of the inner tube 21, and presses the connecting rope 4 to lock and position the connecting rope when the connecting rope is sufficiently screwed, and may preferably be provided with a plurality of groups in the axial direction, so that the locking of the multi-position locking structure is ensured to be firm.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (3)
1. An automatic hydrologic water sampling device in tide cycle, its characterized in that: the device comprises a floater (1), a sampling frame (2) and a counterweight (3), wherein the floater (1) is connected with the counterweight (3) through a connecting rope (4), the sampling frame (2) is arranged on the connecting rope (4) in a sliding way up and down, the sampling frame (2) is a cylinder, an inner pipe (21) is arranged at the central position of the sampling frame and used for allowing the connecting rope (4) to pass up and down, and a locking piece (5) is arranged on the wall of the inner pipe (21) and used for locking or unlocking the connecting rope (4); the periphery of the sampling frame (2) is uniformly provided with a plurality of groups of water sample bottles (6), openings are formed in the upper and lower sides of the water sample bottles (6) and openable bottle caps (61) are arranged at the openings, the sampling frame (2) is also provided with a bottle cap controller (7), a timer (8) and a trigger (9), the bottle caps (61) of the water sample bottles (6) are connected to the bottle cap controller (7) through respective control ropes (62), the trigger (9) pulls the control ropes (62) at the bottle cap controller (7) to enable the bottle caps (61) of a certain water sample bottle (6) to be opened, and after each preset time, the timer (8) feeds back a signal to instruct the trigger (9) to finish pulling of the previous control rope (62) and starts pulling the next control rope (62);
the number of the water sample bottles (6) is 30 uniformly arranged on the periphery of the sampling frame (2), so that 12-degree intervals are reserved between adjacent water sample bottles (6); 26 of the 30 water sample bottles (6) are used as formal sampling bottles, and the remaining 4 water sample bottles are reserved for 4 hours of debugging time before formal sampling of the device or are used as standby sampling bottles; the preset time is 1 hour, and the maximum timing time of the timer (8) is 26-30 hours;
the water sample bottle (6) which is submerged into the preset water depth is automatically controlled by arranging a bottle cap controller (7), a timer (8) and a trigger (9), the timer (8) counts the whole experiment time, and after every one hour, the timer (8) feeds back to the trigger (9) to be sequentially adjusted, namely, the previous water sample bottle (6) is closed, the next water sample bottle (6) is opened, and the collection of the water sample is completed within a period of 26 hours;
the bottle cap controller (7) comprises a mounting frame (71) and a plurality of mounting shafts (72) rotatably arranged on the mounting frame (71), the mounting shafts (72) are uniformly arranged on the mounting frame (71) in the circumferential direction, the number and the positions of the mounting shafts (72) are in one-to-one correspondence with those of the water sample bottles (6), and the mounting shafts (72) are in one-to-one correspondence with the control ropes (62) respectively; the trigger (9) comprises a driving piece (91) and a transmission piece (92) which are mutually linked, the transmission piece (92) is used for being clamped at the installation shaft (72) to drive, the driving piece (91) drives the installation shaft (72) to rotate when driving the transmission piece (92) to move so that the control rope (62) is wound on the installation shaft (72), the control rope (62) is pulled, and the bottle cap (61) is pulled and positioned stably; releasing the control rope (62) when the trigger (9) acts reversely to close the corresponding water sample bottle (6);
the trigger (9) further comprises a swing arm (93) and a second motor (94) for driving the swing arm (93) to rotate, a driving cylinder (95) is arranged at the far end of the swing arm (93), a driving piece (91) is arranged on a driving shaft of the driving cylinder (95) and drives the driving piece (91) and the driving piece (92) to displace, the driving piece (91) is a first motor, a driving piece (92) is arranged on a motor shaft of the first motor, the driving piece (92) is provided with a driving hole matched with the mounting shaft (72), the driving piece (92) enables the driving piece (92) to reach the corresponding mounting shaft (72) when the driving cylinder (95) stretches out through stretching out and retracting out of the adjusting position, and enables the driving piece (92) to be separated from the corresponding mounting shaft (72) when the driving cylinder (95) drives the driving hole to displace to be sleeved on the mounting shaft (72); the timer (8) feeds back a signal to enable the trigger (9) to integrally reset and separate from the corresponding mounting shaft (72) after a preset time passes, and then enables the second motor (94) to drive the swing arm (93) to rotate for 12 degrees so that the transmission hole corresponds to the next mounting shaft (72);
the mounting shaft (72) is arranged into a conical shape with a small outside diameter and a large inside diameter, so that the transmission holes are clamped by the large-diameter part to limit each other when sleeved on the mounting shaft (72).
2. An automatic hydrographic water sampling device in a tidal cycle according to claim 1, wherein: the upper bottle cap (61) and the lower bottle cap (61) of each water sample bottle (6) are arranged at the opening in a turnover mode through hinges, an elastic rope (63) is connected between the two bottle caps (61), and when a control rope (62) on the two bottle caps (61) is not pulled by a trigger (9), the elastic force of the elastic rope (63) drives the two bottle caps (61) to cover the opening.
3. An automatic hydrographic water sampling device in a tidal cycle according to claim 1, wherein: an AIS system is arranged on the floater (1).
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| CN202210596487.9A CN115112424B (en) | 2022-05-16 | 2022-05-16 | Automatic hydrologic water sampling device in tide cycle |
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| CN202210596487.9A CN115112424B (en) | 2022-05-16 | 2022-05-16 | Automatic hydrologic water sampling device in tide cycle |
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| CN115979712B (en) * | 2022-12-20 | 2023-08-18 | 生态环境部华南环境科学研究所(生态环境部生态环境应急研究所) | River sediment re-suspension capturing and water self-cleaning capacity in-situ measuring device |
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