CN109580288A - Bed mud acquisition system and acquisition method - Google Patents
Bed mud acquisition system and acquisition method Download PDFInfo
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- CN109580288A CN109580288A CN201910061044.8A CN201910061044A CN109580288A CN 109580288 A CN109580288 A CN 109580288A CN 201910061044 A CN201910061044 A CN 201910061044A CN 109580288 A CN109580288 A CN 109580288A
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- collection tube
- bed mud
- acquisition
- mounting rack
- acquisition system
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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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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The invention discloses a kind of bed mud acquisition systems: including collection tube, the structure up and down assembled by multistage stack shell, and the acquisition for bed mud；The upper end, upper end and inside of the collection tube is arranged in cutting mechanism, for separating the bed mud of the collection tube and the external world, by the collection tube interior laminate layer；Mounting rack is sent for installing the collection tube, and by the collection tube to acquisition position；It further include camera, transmissometer and augmentor etc..The invention also discloses a kind of methods for carrying out bed mud acquisition using above system.When the present invention makees substrate sludge sampling, layered effect can be realized according to depth selection, will not mutually be polluted between different layers, convenient for the analysis to different level bed mud sample；Implementing monitoring can be carried out by video, turbidity two ways in collection process, guarantee the reliability and accuracy of sample；And the high degree of automation of this system, operation intensity is low, stable and reliable for performance, and sampling efficiency is high, adapts to large-scale bed mud and layouts sampling.
Description
Technical field
The present invention relates to sample acquisitions equipment, and in particular to arrives a kind of bed mud acquisition system and acquisition method.
Background technique
The surface deposit of water body is that the factors such as the hydrology, physics, chemistry, biology, landform, material resource, geological structure exist
Comprehensive embodiment in deposit forming process, is the indispensable scientific research pair of the subjects such as geology, environmentology, oceanography
As being widely used in the practical fields such as water area ecological environment assessment, contamination accident investigation；Especially, at present by mankind's activity shadow
It rings, the deposit quantity of the coastal and interior water of offshore is increasing, and seriously affects benthic community composition and biomass, related
The research of water body deposit is increasingly taken seriously, and therefore, the development of reasonable, efficient sediment collecting device is very intentionally
Justice.
Traditional profile lead, grab bucket-type dredger are the gravity and buoyancy difference using device, down by water body surface layer
It is heavy, after obtaining enough momentums, it is inserted into certain depth under sea bed, deposit is enclosed in by device by " close mechanism " later
It is interior, to obtain required sediment sample.This kind of dredger has following deficiency: (1) bottom sampler is single acquisition bucket, acquisition
Sample without layered effect, the bed mud in bucket can be mutually mixed, thus the bed mud of specified thickness can not be made accurate sampling and point
Analysis.(2) bottom sampler cannot observe bed mud acquisition situation, cannot judge whether sample point meets sampling requirement, can not supervise in real time
Sampling progress is controlled, is sampled under complex environment highly difficult.(3) the downward momentum of dredger can destroy the reset condition of bed mud,
Water body is become cloudy, the reliability of acquired bed mud is reduced.(4) influenced by water flow, especially in high current region, device to
Under momentum largely can by ocean current bring, transversely and horizontally momentum is offset, cannot so that momentum is insufficient after device bottoms out
Enough sample sizes are acquired, sampling efficiency is lower.
Based on this, it is necessary to develop it is a kind of be able to achieve stratified sampling, can to sampling process monitor in real time and it is reliable and stable
Bed mud acquisition system.
Summary of the invention
In order to overcome the drawbacks described above of existing bed mud acquisition system, the present invention provides a kind of bed mud acquisition system and acquisitions
Method.
The technical solution adopted by the invention is as follows:
A kind of bed mud acquisition system, including collection tube, up and down structure, the acquisition for bed mud；Cutting mechanism is arranged in institute
The upper end, upper end and inside for stating collection tube, for separating the bed mud of the collection tube and the external world, will be inside the collection tube
Layering；Mounting rack is sent for installing the collection tube, and by the collection tube to acquisition position.
The beneficial effects of the present invention are: being provided with cutting mechanism in collection tube of the invention, reach the bed mud sample of acquisition
It to layered effect, will not mutually pollute each other, convenient for the analysis to different level bed mud sample, guarantee sampling and analysis can
By property.
It is preferred: to be respectively provided with a camera inside and outside the collection tube, and be furnished with headlamp, be correspondingly provided on the mounting rack
Video monitor.
It is preferred: to be equipped with transmissometer outside the collection tube, be correspondingly provided with turbidity display on the mounting rack.
It is preferred: augmentor to be additionally provided between the collection tube and mounting rack, for the collection tube to be pressed into bed mud
In.
Preferred: the mounting rack includes that support and hinged lever on the support, the collection tube are mounted on the thick stick
The long end of bar, the short end of the lever are operating side.
Preferred: the long end of the lever is parallelogram truss.
Preferred: the collection tube is equipped with the cutting mechanism by multistage stack shell assembly and connection between adjacent two sections of stack shells.
Preferred: the cutting mechanism includes determine baffle and dynamic baffle, described to determine baffle and be fixed in stack shell, and equipped with more
The hollow hole that road radially extends, the dynamic baffle are fan-shaped；The dynamic baffle, which has, exposes the hollow hole for acquiring
The hollow hole is blocked behind the No.1 position of bed mud, and rotation for cutting off No. two positions of bed mud.
Preferred: the cutting structure includes determining ring, rotating ring and several cut off machines, described to determine ring and be fixed in stack shell, institute
Stating cut off machine is that arc, tail portion are hinged on and determine on ring, set guide post on the cut off machine, and the rotating ring is equipped with to be cooperated with guide post
Sliding slot, when the rotating ring rotates, the sliding slot drives the cut off machine rotation；The cut off machine, which has to described, determines the rotation of ring edge
Turn, set for acquiring the third place of bed mud, and determines the rotation of ring center, No. four positions for cutting off bed mud to described.
The method for carrying out bed mud acquisition using above system, its step are as follows:
By mounting rack installation, fix in position, collection tube is sent to above collection point according to the sampled point of laying for step 1., using outer
The camera in portion observes collection tube surrounding enviroment, and avoiding obstacles prepare sampling；
Step 2. pressurizes to collection tube using augmentor, starts to sample, while passing through transmissometer implementing monitoring turbidity；
When turbidity fluctuation is transfinited, system alarm and augmentor stops working is adopted when turbidity fluctuation is in setting range
Collection cylinder persistently samples；
Under step 3. normal condition, progress is sampled using internal camera head monitor, until bed mud reaches enough positions in collection tube
Until；
Cutting mechanism acts in step 4. collection tube, and bed mud inside collection tube is layered, and separates with extraneous water body；
Step 5. mounting rack and augmentor cooperate, and collection tube is removed the water surface, are layered from collection tube and take out bed mud sample,
Sealing installs, and prepares for the sample pretreatment of next stage.
Detailed description of the invention
Fig. 1 is the system diagram of the embodiment of the present invention.
Fig. 2 is the schematic diagram that collection tube exposes the surface in the embodiment of the present invention.
Fig. 3 is the schematic diagram that collection tube is close to acquisition position in the embodiment of the present invention.
Fig. 4 is the schematic diagram that collection tube acquires bed mud under augmentor effect in the embodiment of the present invention.
Fig. 5 is the enlarged diagram of collection tube in the embodiment of the present invention.
Fig. 6 is the schematic diagram of cutting mechanism in the embodiment of the present invention.
Fig. 7 is the schematic diagram of another cutting mechanism in the embodiment of the present invention.
Schematic diagram when Fig. 8 is another cutting mechanism cutting in the embodiment of the present invention.
Fig. 9 is the perspective view of the explosion of another cutting mechanism in the embodiment of the present invention.
Collection tube 1, mounting rack 3, camera 4, video monitor 5, transmissometer 6, turbidity display 7, adds cutting mechanism 2
Power device 8 determines baffle 201, dynamic baffle 202, hollow hole 203, determines ring 204, rotating ring 205, cut off machine 206, guide post 207, sliding slot
208, support 301, lever 302.
Specific embodiment
The invention will be further described with embodiment with reference to the accompanying drawing.
In embodiment, as shown in Fig. 1 ~ 9: a kind of bed mud acquisition system, including collection tube 1, structure, is used for bottom up and down
The acquisition of mud；Upper end, upper end and the inside of the collection tube 1 is arranged in cutting mechanism 2, for by the bottom of the collection tube 1
Mud and the external world separate, by 1 interior laminate layer of collection tube；Mounting rack 3, for installing the collection tube 1, and by the collection tube
1 send to acquisition position.It is provided with cutting mechanism 2 in the collection tube 1 of the present embodiment, the bed mud sample of acquisition is made to reach layering effect
Fruit will not mutually pollute each other, by the analysis to different level bed mud sample, can accurate judgement contaminant infiltration which has been arrived
In, pollution have how serious etc., ensure that the reliability of sampling and analysis.
In embodiment, as shown in Figure 1, shown in Figure 5: being respectively provided with a camera 4 inside and outside the collection tube 1, and be furnished with headlamp, institute
It states and is correspondingly provided with video monitor 5 on mounting rack 3.The monitor video of two cameras 4 is transmitted to the prison of the video on bank or ship
It controls on device 5, to realize real time monitoring.Wherein, the camera 4 outside collection tube 1 is avoided for observing 1 surrounding enviroment of collection tube
Barrier, convenient for being sampled under complex environment；Camera 4 inside collection tube 1 is used to observe the sampling progress in collection tube 1.
In embodiment, as shown in Figure 1, shown in Figure 5: transmissometer 6 is equipped with outside the collection tube 1, correspondence is set on the mounting rack 3
There is turbidity display 7.The transmissometer 6 and turbidity display 7 of the present embodiment are for the turbidity wave near real-time detection collection tube 1
It is dynamic, judge whether acquired sample can be used by the fluctuation range of turbidity.It is usual:
Original turbidity < 30FTU is fluctuated less than 20, and sampling is effectively, on the contrary invalid；
Original 30 ~ 50FTU of turbidity is fluctuated less than 25, and sampling is effectively, on the contrary invalid；
Original turbidity > 50FTU is fluctuated less than 30, and sampling is effectively, on the contrary invalid.
In embodiment, as shown in Fig. 1 ~ 4: being additionally provided with augmentor 8 between the collection tube 1 and mounting rack 3, be used for institute
Collection tube 1 is stated to be pressed into bed mud.The different device such as electric pushrod, hydraulic stem can be used in the augmentor 8 of the present embodiment, makees
With being to push or promoted collection tube 1, as the supplement of mounting rack 3, sampling operation is completed.
In embodiment, as shown in Fig. 1 ~ 4: the mounting rack 3 includes support 301 and the lever being hinged on support 301
302, the collection tube 1 is mounted on the long end of the lever 302, and the short end of the lever 302 is operating side.The support of the present embodiment
301 can be used the structure of tripod, fixation and move conveniently；Lever 302 revolve collection tube 1 can in a big way
Turn sampled point, and suitable counterweight may be selected in operating side, reduces the labor intensity of operation.
In embodiment, as shown in Fig. 2 ~ 4: the long end of the lever 302 is parallelogram truss.The present embodiment lever
302 be truss structure, and the strength and stability of structure is all guaranteed, and is convenient for putting in order and saving after dismantling.
In embodiment, as shown in Figure 6: the collection tube 1 is equipped with by multistage stack shell assembly and connection between adjacent two sections of stack shells
The cutting mechanism 2.There are two advantages for the tool of assembly type collection tube 1 that the present embodiment uses: first is that strong applicability, it can be according to sampling
It is required that the number of plies to determine sample；Second is that bed mud is convenient to remove in different layers stack shell, it is not easy mutually to pollute.Stack shell can be used slotting
Connect, pin anchoring, be threadedly coupled etc. modes realize.
In embodiment, as shown in fig. 6, be a kind of cutting mechanism 2 structure: the cutting mechanism 2 include determine baffle 201 and
Dynamic baffle 202, the hollow hole 203 for determine baffle 201 and being fixed in stack shell, and being radially extended equipped with multiple tracks, the dynamic gear
Plate 202 is fan-shaped；The dynamic baffle 202, which has, exposes the No.1 position that the hollow hole 203 is used to acquire bed mud, Yi Jixuan
The hollow hole 203 is blocked after turning for cutting off No. two positions of bed mud.The dynamic baffle 202 of above structure is driven by jackshaft to be revolved
Turn, and each section of stack shell can be used same root jackshaft or be assembled into a jackshaft, to be only used as power with a motor.
In embodiment, as shown in fig. 6, for the structure of another cutting mechanism 2: the cutting structure 2 including determine ring 204,
Rotating ring 205 and several cut off machines 206, described to determine ring 204 and be fixed in stack shell, the cut off machine 206 is that arc, tail portion are hinged on
Determine on ring 204, guide post 207 is set on the cut off machine 206, the rotating ring 205 is equipped with the sliding slot 208 cooperated with guide post 207, institute
When stating the rotation of rotating ring 205, the sliding slot 208 drives the cut off machine 206 to rotate；The cut off machine 206, which has to described, determines ring
The rotation of 204 edges is set for acquiring the third place of bed mud, and determines the rotation of 204 center of ring, four for cutting off bed mud to described
Number position.A kind of more supreme structure of this structure, cut off machine 206 be hidden in determine in ring 204 when, to acquisition bed mud resistance compared with
Small, the disadvantage is that each rotating ring 205 requires gear ring and motor to drive, therefore structure is more complex, higher cost.
Particularly, as shown in Figure 1, the settable single-chip microcontroller of the present embodiment or PLC to cutting mechanism 2, take the photograph as control system
As first 4, video monitor 5, transmissometer 6, turbidity display 7 and augmentor 8 make integrated comprehensive control, setting alarm, from
The functions such as dynamic shutdown, improve the degree of automation of system entirety, to improve sample collecting efficiency.
The method for carrying out bed mud acquisition using above system, its step are as follows:
Step 1., by the installation of mounting rack 3, fix in position, collection tube 1 is sent to collection point, is utilized according to the sampled point of laying
External camera 4 observes 1 surrounding enviroment of collection tube, and avoiding obstacles prepare sampling；
Step 2. pressurizes to collection tube 1 using augmentor 8, starts to sample, while muddy by 6 implementing monitoring water body of transmissometer
Degree；When turbidity fluctuation is transfinited, system alarm and augmentor 8 stops working, collection tube 1 is removed after the water surface cleaned,
Again abovementioned steps, and when turbidity fluctuation is in setting range, collection tube 1 persistently samples；
Under step 3. normal condition, sampling progress is monitored using internal camera 4, until bed mud reaches enough positions in collection tube 1
It is set to only；
Cutting mechanism 2 acts in step 4. collection tube 1, and 1 inside bed mud of collection tube is layered, and separates with extraneous water body；
Step 5. mounting rack 3 and augmentor 8 cooperate, and collection tube 1 is removed the water surface, is layered from collection tube 1 and takes out bed mud
Sample, sealing install, and prepare for the sample pretreatment of next stage.
In general, when the present embodiment samples bed mud, the sample of one acquisition can be realized according to depth selection to be divided
Layer effect can carry out implementing monitoring by video, turbidity two ways in collection process, guarantee the reliability of sample and accurate
Property, and the high degree of automation of this system, operation intensity are low, and stable and reliable for performance, sampling efficiency is high, adapts to large-scale bottom
Mud is layouted sampling.
Obviously, the above embodiment of the present invention is intended to be merely illustrative of the present example, and not to the present invention
Embodiment restriction.For those of ordinary skill in the art, it can also make on the basis of the above description
Other various forms of variations or variation.There is no need and unable to give poor example to all embodiments.And these belong to this
The connotation changes and variations that derived from of invention still fall within protection scope of the present invention.
Claims (10)
1. a kind of bed mud acquisition system, characterized by comprising:
Collection tube (1), up and down structure, the acquisition for bed mud；
Cutting mechanism (2), setting are used in the upper end, upper end and inside of the collection tube (1) by the collection tube (1)
Bed mud and the external world separate, by the collection tube (1) interior laminate layer；
Mounting rack (3) is sent for installing the collection tube (1), and by the collection tube (1) to acquisition position.
2. bed mud acquisition system according to claim 1, it is characterised in that: be respectively provided with one inside and outside the collection tube (1) and take the photograph
As head (4), and it is furnished with headlamp, is correspondingly provided with video monitor (5) on the mounting rack (3).
3. bed mud acquisition system according to claim 1, it is characterised in that: be equipped with transmissometer outside the collection tube (1)
(6), turbidity display (7) are correspondingly provided on the mounting rack (3).
4. bed mud acquisition system shown according to claim 1, it is characterised in that: between the collection tube (1) and mounting rack (3)
Augmentor (8) are additionally provided with, for the collection tube (1) to be pressed into bed mud.
5. bed mud acquisition system according to claim 1, it is characterised in that: the mounting rack (3) include support (301) and
The lever (302) being hinged on support (301), the collection tube (1) are mounted on the lever (302) long end, the lever
(302) short end is operating side.
6. bed mud acquisition system according to claim 1, it is characterised in that: the long end of the lever (302) is parallel four
Side shape truss.
7. bed mud acquisition system according to claim 1, it is characterised in that: the collection tube (1) is assembled by multistage stack shell
It connects, is equipped with the cutting mechanism (2) between adjacent two sections of stack shells.
8. bed mud acquisition system according to claim 1, it is characterised in that: the cutting mechanism (2) includes determining baffle
(201) with dynamic baffle (202), the hollow hole that is described determine baffle (201) and be fixed in stack shell, and being radially extended equipped with multiple tracks
(203), the dynamic baffle (202) is fan-shaped；The dynamic baffle (202), which has, exposes the hollow hole (203) for acquiring
The hollow hole (203) are blocked behind the No.1 position of bed mud, and rotation for cutting off No. two positions of bed mud.
9. bed mud acquisition system shown according to claim 1, it is characterised in that: the cutting structure (2) includes determining ring
(204), rotating ring (205) and several cut off machines (206), described to determine ring (204) and be fixed in stack shell, the cut off machine (206) is
Arc, tail portion, which are hinged on, determines on ring (204), sets guide post (207) on the cut off machine (206), the rotating ring (205) be equipped with
The sliding slot (208) of guide post (207) cooperation, when the rotating ring (205) rotates, the sliding slot (208) drives the cut off machine (206)
Rotation；The cut off machine (206), which has to described, determine ring (204) edge and rotates, sets for acquiring the third place of bed mud, Yi Jixiang
It is described to determine the rotation of ring (204) center, No. four positions for cutting off bed mud.
10. a bed mud acquisition method, it is characterised in that steps are as follows:
Step 1., by mounting rack (3) installation, fix in position, collection tube (1) is sent to collection point according to the sampled point of laying,
Collection tube (1) surrounding enviroment are observed using external camera (4), avoiding obstacles prepare sampling；
Step 2. pressurizes to collection tube (1) using augmentor (8), starts to sample, while passing through transmissometer (6) implementing monitoring water
Body turbidity；When turbidity fluctuation is transfinited, system alarm and augmentor (8) stops working, when turbidity fluctuation is in setting
When determining in range, collection tube (1) is persistently sampled；
Under step 3. normal condition, sampling progress is monitored using internal camera (4), until bed mud reaches foot in collection tube (1)
Until enough positions；
Cutting mechanism (2) acts in step 4. collection tube (1), by the internal bed mud layering of collection tube (1), and with extraneous water body every
It opens；
Step 5. mounting rack (3) and augmentor (8) cooperate, and collection tube (1) is removed the water surface, is layered from collection tube (1)
Bed mud sample is taken out, sealing installs, and prepares for the sample pretreatment of next stage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910061044.8A CN109580288A (en) | 2019-01-23 | 2019-01-23 | Bed mud acquisition system and acquisition method |
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| CN201910061044.8A CN109580288A (en) | 2019-01-23 | 2019-01-23 | Bed mud acquisition system and acquisition method |
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