CN115389253A - Lake sediment collection device - Google Patents

Lake sediment collection device Download PDF

Info

Publication number
CN115389253A
CN115389253A CN202210805696.XA CN202210805696A CN115389253A CN 115389253 A CN115389253 A CN 115389253A CN 202210805696 A CN202210805696 A CN 202210805696A CN 115389253 A CN115389253 A CN 115389253A
Authority
CN
China
Prior art keywords
sampling
valve plate
collection
working position
driving
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210805696.XA
Other languages
Chinese (zh)
Other versions
CN115389253B (en
Inventor
钟宇翔
邰阳
白妙馨
张文星
荀彦平
尹强
黄晓慧
武昕艺
姜平平
任燕
赵晓男
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inner Mongolia Academy Of Eco Environmental Sciences Co ltd
Original Assignee
Inner Mongolia Academy Of Eco Environmental Sciences Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Inner Mongolia Academy Of Eco Environmental Sciences Co ltd filed Critical Inner Mongolia Academy Of Eco Environmental Sciences Co ltd
Priority to CN202210805696.XA priority Critical patent/CN115389253B/en
Publication of CN115389253A publication Critical patent/CN115389253A/en
Application granted granted Critical
Publication of CN115389253B publication Critical patent/CN115389253B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/04Devices for withdrawing samples in the solid state, e.g. by cutting
    • G01N1/08Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • F16K1/34Cutting-off parts, e.g. valve members, seats
    • F16K1/44Details of seats or valve members of double-seat valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/02Construction of housing; Use of materials therefor of lift valves
    • F16K27/0209Check valves or pivoted valves
    • F16K27/0227Check valves or pivoted valves with the valve members swinging around an axis located at the edge of or outside the valve member
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/34Purifying; Cleaning

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention discloses a lake sediment collecting device, which is used for being arranged on a ship and comprises a lifting device, a sampling rod, a cylindrical sampling body and a sampling head which are sequentially connected, wherein a collecting cavity with a downward opening is formed in the cylindrical sampling body, a collecting channel which can be communicated with the collecting cavity is formed in the sampling head, a valve plate and a rotating part are arranged in the collecting channel, the rotating part drives the valve plate to rotate in the collecting channel so as to have a first working position corresponding to the inserting process of the sampling head and a second working position corresponding to the sampling process of the sampling head, the valve plate is parallel to the axial section of the cylindrical sampling body at the first working position, and a blocking included angle is formed between the valve plate and the axial section of the cylindrical sampling body at the second working position. The lake sediment collecting device provided by the invention can prevent collected objects from falling down in the process of ascending sampling, ensure the collection amount of sediment every time, reduce the collection times and improve the efficiency of sediment collection work.

Description

Lake sediment collection device
Technical Field
The invention relates to a soil sampling device, in particular to a lake sediment collecting device.
Background
In recent years, with the rapid development of economy in China, the call for harmony with the nature, natural environment protection and improvement of the quality of living environment is higher and higher, the environmental protection is improved to an unprecedented level, and the sequence screens for the implementation of various environmental protection projects such as domestic lake, reservoir and river treatment, polluted soil remediation and the like are opened immediately.
The implementation of projects such as basin treatment of lakes, rivers, wetlands and the like, ecological dredging and the like is mainly carried out by finding out basic parameters such as bottom sediment pollutant types, pollutant distribution, thickness of polluted soil layers, physical and mechanical indexes of the polluted soil layers and the like in a water area range to be treated, analyzing sources of the river and the wetland pollution, endogenous pollution or exogenous pollution and possibly adopting treatment measures, processes and the like on the basis, and thus providing detailed information for design. The efficiency and quality of the field soil sample sampling have a decisive effect on the precision of the indoor soil engineering and chemical test results, and further influence the subsequent analysis work analysis and design construction, so that the precision and quality of the river, lake and wetland sediment sampling work must be improved in order to ensure the accuracy and reliability of the survey data.
Because lake topography is complicated and the water is deep, lake sediment sampling generally adopts automatic equipment to collect, if the publication number is CN209639995U, the name is "a lake wetland soil vertical segmentation sampling device", the publication date is the utility model patent application of 2019, 11, 15, the top of roof is fixedly provided with a hydraulic cylinder and a hydraulic oil tank, the bottom of the hydraulic cylinder is connected with a hydraulic rod, the bottom of the hydraulic rod is fixedly connected with a U-shaped rod and a supporting plate in sequence, the top of the supporting plate is fixedly provided with a motor, the bottom of the motor is connected with a rotating shaft, the bottom of the rotating shaft is in threaded connection with a drill bit, the top of the drill bit is in threaded connection with a sampling cylinder, and the interior of the sampling cylinder is provided with an inner cylinder body; the utility model discloses a when using, remove sampling device to the position that needs the sample, extract the screw rod, open pneumatic cylinder and motor, hydraulic rod downstream under the hydraulic cylinder promotes U type pole downstream, U type pole promotes the backup pad downstream, the backup pad drives motor and pivot downstream, position that can know the sampler barrel place through the scale mark on the riser after reacing required degree of depth, turn off the pneumatic cylinder, the rebound slider, lift the sampler barrel in the soil, take the drill bit off the pivot after, take the sampler barrel off, take interior barrel out and gain required soil sample.
If the publication number is CN209264329U, the name is "a portable lake original state sediment probing sampling equipment", the utility model patent application of the publication day is 2019, 8, 16, portable lake original state sediment probing sampling equipment includes engine, crossover sub, sampling tube reducing joint and takes the spiral sampling tube, the power shaft of engine passes through crossover sub A to be connected with the drilling rod, the drilling rod passes through the sampling tube reducing joint and takes the spiral sampling tube to link to each other, the cockscomb structure drill bit is installed and is taken spiral sampling tube lower part. The utility model discloses an engine provides power for the probing sample to insert through drilling rod driving band spiral sampling tube in the sediment and the soil in order to realize the sample, thereby take spiral sampling tube to take off and acquire the detection soil sample after the sample is accomplished.
The lake sediment sampling device comprises a driving device and a sampling head (a sampling tube or a sampling barrel), the driving device drives the sampling head to be gradually inserted into the sediment of the lake, when the sampling head reaches a proper depth, the sampling head is lifted up to take out the sediment, and the sediment in the sampling head is taken out to perform corresponding experimental detection, but the lake sediment sampling device has the following defects: the bottom of its sampling head is open, and when drive arrangement drive sampling head inserted the bed mud, inside the bed mud can be carried to the sampling head from sampling head bottom opening, nevertheless when drive arrangement lifted the sampling head, when the mud layer of lake was thick, the bed mud of sampling head inside fell from the bottom opening of sampling head easily, so can lead to the bed mud volume of sample can not satisfy the requirement, need sample many times repeatedly and just can reach the requirement that the experiment detected.
Disclosure of Invention
The invention aims to provide a soil parameter detection device of a lake sediment acquisition device, which aims to overcome the defects in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme:
a lake sediment collecting device is used for being arranged on a ship and comprises a sampling rod and a lifting device for driving the sampling rod to move up and down, wherein the lower end of the sampling rod is connected with a cylindrical sampling body, a collecting cavity with a downward opening is formed in the cylindrical sampling body, the lake sediment collecting device also comprises a sampling head detachably connected to the cylindrical sampling body, and a collecting channel communicated with the collecting cavity is formed in the sampling head;
it is provided with the valve plate and rotates the piece to gather in the passageway, it drives to rotate the valve plate be in gather the passageway internal rotation in order to have with the corresponding first operating position of the insertion process of sample head and with the corresponding second operating position of the sampling process of sample head first operating position, the valve plate with the axle cross-section of tube-shape sample body parallels second operating position, the valve plate with the axle cross-section of tube-shape sample body forms and blocks the contained angle.
According to the lake sediment collecting device, the blocking included angle is an acute angle or a right angle.
Foretell lake sediment collection system, the valve body includes first valve plate and the second valve plate that the symmetry set up, all be provided with on first valve plate and the second valve plate rotate the piece, follow first operating position arrives second operating position, first valve plate and second valve plate are followed the bottom opening of gathering the passageway to the opening direction in gathering the chamber rotates.
Foretell lake sediment collection system, the valve body still includes fixed mounting and is in gather the mounting panel in the passageway, the mounting panel is followed the axle cross-section direction of sampling head sets up, be provided with on the mounting panel and collect the opening chamber of valve body.
Foretell lake sediment collection system still includes the division board, and its fixed setting is in gather the intracavity, the division board with the mounting panel is located the coplanar.
The lake sediment collecting device further comprises a power storage part, the power storage part is arranged on the rotating part, and the valve body rotates from the second working position to the first working position to drive the power storage part to store power.
The lake sediment collecting device further comprises a locking piece, wherein the locking piece is arranged on the side wall of the collecting channel and used for locking the valve body at the first working position.
Foretell lake sediment collection system still includes drive assembly, its with the locking piece corresponds the setting, is used for the drive the locking piece moves to the unblock state from the locking state, the unblock state, hold power spare discharge in order to drive the valve body is followed first operating position moves to the second operating position.
Foretell lake sediment collection system, drive assembly includes driving piece and elasticity restores the piece, the driving piece sets up it open-ended one end is kept away from in the collection chamber, works as when gathering the interior earth of collection chamber and gathering when predetermineeing the volume, earth drive the driving piece is followed the drive motion stroke is to the axis direction of tube-shape sampling body, elasticity restores the piece and blocks the driving piece on the drive motion stroke in the drive motion stroke, the unlocking piece accepts the drive follow locking state moves to unblock state.
Foretell lake sediment collection system still includes the trigger piece, and it sets up gather the top in chamber, when the drive motion stroke ends, the driving piece triggers the trigger piece.
In the technical scheme, the lake sediment collecting device provided by the invention comprises a lifting device arranged on a ship, a sampling rod, a cylindrical sampling body and a sampling head, wherein the sampling rod, the cylindrical sampling body and the sampling head are sequentially connected with the lifting device, a collecting cavity with a downward opening is formed in the cylindrical sampling body, a collecting channel communicated with the collecting cavity is formed in the sampling head, a valve plate and a rotating part are arranged in the collecting channel, the valve plate can be driven by the rotating part to correspondingly move to a first working position and a second working position in the lake sediment collecting process, the valve plate is located at the first working position, the normal collection of sediment by the cylindrical sampling body and the sampling head is not influenced, the valve plate is located at the second working position, a blocking structure for blocking collected objects from falling is formed in the collecting channel by the valve plate, the blocking structure can prevent the collected objects from falling down in the ascending sampling process, the collection amount of the sediment at each time is ensured, the collection frequency is reduced, and the efficiency of the sediment collection work is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic structural diagram of a lake sediment collection device provided by an embodiment of the invention;
FIG. 2 is a schematic diagram of a connection between a cylindrical sampling body and a sampling head according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a valve body located at a first working position according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of the valve body in a second operating position according to an embodiment of the present invention;
fig. 5 is a second schematic structural view of the valve body located at the second working position according to the embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a mounting plate according to an embodiment of the present invention;
FIG. 7 is a schematic view of a rotor assembly according to another embodiment of the present invention;
FIG. 8 is a second schematic view of the installation of the rotating member according to another embodiment of the present invention;
FIG. 9 is an enlarged view taken at A in FIG. 7 according to another embodiment of the present invention;
FIG. 10 is an enlarged view at B in FIG. 8 according to another embodiment of the present invention;
FIG. 11 is a schematic structural view of a rotary seat according to another embodiment of the present invention;
fig. 12 is a schematic structural diagram of a cylindrical sampling body according to another embodiment of the present invention;
fig. 13 is a schematic structural diagram of a cylindrical sampler according to another embodiment of the present invention.
Description of reference numerals:
1. a sampling rod; 2. a lifting device; 3. a cylindrical sampling body; 3.1, collecting cavity; 3.2, moving through holes; 3.3, sampling opening; 3.4, sealing plates; 3.5, driving holes; 3.6, a motion cavity; 3.7, a partition plate; 4. a sampling head; 4.1, collecting channels; 5. a valve body; 5.1, a first valve plate; 5.2, a second valve plate; 5.3, mounting a plate; 5.4, opening the cavity; 6. a rotating member; 6.1, a power storage part; 6.2, rotating the seat; 6.3, a locking part; 6.4, a torsion spring; 7. a locking member; 7.1, a locking block; 7.2, connecting rods; 7.3, a locking structure; 8. a drive assembly; 8.1, a driving piece; 8.2, an elastic restoring piece; 8.3, a trigger piece; 8.4, a spring element; 8.5, an elastic channel; 8.6, a sliding column; 9. a sample storage cartridge; 10. a drive rod.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 13, an embodiment of the present invention provides a lake sediment collecting device, which is used for being disposed on a ship, and includes a sampling rod 1 and a lifting device 2 for driving the sampling rod 1 to move up and down, a cylindrical sampling body 3 is connected to a lower end of the sampling rod 1, a collecting cavity 3.1 with a downward opening is arranged in the cylindrical sampling body 3, and further includes a sampling head 4 detachably connected to the cylindrical sampling body, a collecting channel 4.1 capable of being communicated with the collecting cavity 3.1 is arranged in the sampling head 4, a valve plate 5 and a rotating member 6 are arranged in the collecting channel 4.1, the rotating member 6 drives the valve plate 5 to rotate in the collecting channel 4.1 to have a first working position corresponding to a descending collecting process of the sampling head 4 and a second working position corresponding to an ascending sampling process of the sampling head 4, in the first working position, the valve plate 5 is parallel to an axial cross section of the cylindrical sampling body 3, and in the second working position, the valve plate 5 forms a blocking included angle with the axial cross section of the cylindrical sampling body 3.
Concretely, lake sediment collection system installs on boats and ships, in the use, boats and ships move on the lake and can remove lake sediment collection system to each acquisition point, gather the operation afterwards, lake sediment collection system includes elevating gear 2, thief rod 1 and tube-shape sampling piece, the bottom at thief rod 1 is installed to the tube-shape sampling piece, be provided with the mounting structure who carries out the installation to elevating gear 2 on boats and ships, mounting structure can be mount pad or mounting bracket, thief rod 1 is connected with elevating gear 2, can drive thief rod 1 through elevating gear 2 and do descending or ascending motion along the direction of perpendicular to the surface of water, according to elevating gear 2's difference, the ascending and descending of thief rod 1 rotatable formula, it is preferred, thief rod 1 accepts that elevating gear 2's drive is straight down and straight following formula motion, elevating gear 2 and thief rod 1 are the equipment commonly used in the prior art, it is not repeated here. For convenience of description, two operation processes of the lake sediment collecting device in sediment collection are respectively called as: descending collection process and ascending sampling process, in descending collection process, thief rod 1 is driven to descend gradually, the tube-shape sample piece that is located thief rod 1 lower extreme inserts gradually to the water and the bottom silt of lake, it is full of the sample to fill in the collection chamber 3.1 of tube-shape sample body 3, in ascending sampling process, thief rod 1 is driven to rise gradually, the tube-shape sample piece moves upwards along with thief rod 1, thereby take out the tube-shape sample piece from the bottom silt of lake and aquatic and accomplish the collection sample of bed mud, this embodiment is compared with prior art's improvement lies in, detachably is connected with sampling head 4 in the bottom of tube-shape sample piece, sampling head 4 is inside to be provided with valve plate 5 and rotation piece 6, after sampling head 4 is installed on the tube-shape sample piece, collection passageway 4.1 in sampling head 4 is linked together with collection chamber 3.1, so in descending collection process, valve plate 5 is located first operating position, this moment valve plate 5 does not influence the transport to collection chamber 3.1 in the thing, in ascending sampling process, valve plate 5 is located the second operating position this moment, the collection success rate that the collection of collection passageway 4.5 dropped at this moment blocks the sediment, the formation of a collection structure that blocks the sediment.
In this embodiment, the cylindrical sampling piece is fixedly connected with the lower end of the sampling rod 1 through the connector in a detachable manner, the cylindrical sampling body 3 and the sampling head 4 are inserted and connected with each other, and also can be detachably connected through other manners, the cylindrical sampling body 3 and the sampling head 4 are of a split type structure, when the sampling head 4 is fixed at the bottom of the cylindrical sampling piece, the sampling head 4 and the cylindrical sampling body 3 are coaxially arranged, the collection cavity 3.1 in the cylindrical sampling body 3 is cylindrical, the collection cavity 3.1 forms an opening at the bottom of the cylindrical sampling body 3, so in the descending collection process, the collection cavity 3.1 can be filled with collection materials, the sampling head 4 is also of a cylindrical structure or a conical structure, the collection channel 4.1 is arranged along the axial direction of the sampling head 4, the collection channel 4.1 forms an opening at the top and the bottom of the sampling head 4, when the bottom opening is used for sampling, sludge enters the interior of the sampling head 4, the collection channel 4.1 is communicated with the collection cavity 3.1 through the top opening, and the radial dimension of the top opening is consistent with the radial dimension of the collection cavity 3.1.
In this embodiment, the rotating member 6 is disposed on one side of the collecting channel 4.1 close to the top opening, both ends of the rotating member 6 are rotatably connected to the side wall of the collecting channel 4.1, the valve plate 5 is fixedly connected to the rotating member 6, one or both ends of the rotating member 6 are provided with a driving structure capable of driving the rotating member 6 to rotate, the rotating member 6 rotates in the collecting channel 4.1 to correspondingly drive the valve plate 5 to rotate, the valve plate 5 can be a circular valve plate 5 with a size corresponding to the collecting channel 4.1, at this time, the rotating member 6 is fixed in the diameter direction of the circular valve plate 5, the valve plate 5 can also be two semicircular valve plates 5 with a size corresponding to the collecting channel 4.1, at this time, each semicircular valve plate 5 is correspondingly provided with one rotating member 6, the valve plate 5 rotates in the collecting channel 4.1 to have a first working position and a second working position, it should be noted that the first working position of the valve plate 5 is a definite position, when the valve plate 5 is located at the first working position, the valve plate 5 is parallel to the axial section of the cylindrical sampling body 3 and the sampling head 4, so that when the cylindrical sampling body 3 and the sampling head 4 descend along the direction vertical to the water surface or the sediment, the valve plate 5 is vertical to the water surface and the sediment, and hardly influences the collection of the sediment, but the second working position of the valve plate 5 is not a fixed position and is one of a plurality of positions, wherein the most preferable position is: the valve plate 5 is perpendicular to the axial cross sections of the cylindrical sampling body 3 and the sampling head 4, the valve plate 5 completely closes the sampling channel 4.1, the valve plate 5 and the side wall of the sampling channel 4.1 form a closed bottom blocking structure, the situation that the collected objects fall from the bottom of the sampling channel 4.1 can be effectively prevented, but the structure of the collected objects and the structure of the collected objects are different when the sampling head 4 samples every time, the valve plate 5 can not rotate to the most preferable position possibly, if the collected objects block the valve plate 5, the second working position of the valve plate 5 every time can be different, but the valve plate 5 rotates in the sampling channel 4.1, the valve plate 5 and the axial cross section of the cylindrical sampling body 3 can form a blocking included angle, namely the valve plate 5 and the side wall of the sampling channel 4.1 form a bottom blocking structure, and the bottom blocking structure can block the collected objects in the sampling head 4 and the cylindrical sampling body from falling.
The embodiment of the invention provides a lake sediment collecting device, which comprises a lifting device 2 arranged on a ship, a sampling rod 1, a cylindrical sampling body 3 and a sampling head 4 which are sequentially connected with the lifting device 2, wherein a collecting cavity 3.1 with a downward opening is formed in the cylindrical sampling body 3, a collecting channel 4.1 which can be communicated with the collecting cavity 3.1 is formed in the sampling head 4, a valve plate 5 and a rotating piece 6 are arranged in the collecting channel 4.1, the valve plate 5 can receive the driving of the rotating piece 6 to correspondingly move to a first working position or a second working position in the lake sediment collecting process, when the valve plate 5 is positioned at the first working position, the normal collection of sediment by the cylindrical sampling body 3 and the sampling head 4 is not influenced, the valve plate 5 is positioned at the second working position, and at the moment, the valve plate 5 forms a blocking structure for blocking collected objects from falling down in the collecting channel 4.1, the blocking structure can prevent the collected objects from falling down in the ascending sampling process, ensure the collection amount of the sediment each time, reduce the collection times and improve the efficiency of the sediment collection work.
In the embodiment provided by the invention, preferably, the blocking included angle is an acute angle or a right angle, when the blocking included angle is a right angle, the valve plate 5 is located at the optimal second working position, the valve plate 5 completely closes the collecting channel 4.1, when the valve plate 5 is blocked by the collected object and cannot move to the optimal second working position, the blocking included angle is at the acute angle, a blocking structure for placing the collected object to drop is formed between the valve plate 5 and the side wall of the collecting channel 4.1, and when the valve plate 5 is two semicircular valve plates 5, the two semicircular valve plates 5 form a blocking structure in a shape of a Chinese character 'ba' in the collecting channel 4.1, so that the collected object can be prevented from dropping from the lower end of the collecting channel 4.1.
In the embodiment provided by the invention, preferably, the valve plate 5 comprises a first valve plate 5.1 and a second valve plate 5.2 which are symmetrically arranged, the first valve plate 5.1 and the second valve plate 5.2 are both provided with a rotating part 6, and from a first working position to a second working position, the first valve plate 5.1 and the second valve plate 5.2 rotate along the bottom opening of the collecting channel 4.1 towards the opening direction of the collecting cavity 3.1; the first valve plate 5.1 and the second valve plate 5.2 are both semicircular plates, the two rotating parts 6 are parallel to each other and are rotatably connected in the collecting channel 4.1, the upper side edges of the first valve plate 5.1 and the second valve plate 5.2 are fixedly connected with the rotating parts 6, when the first valve plate 5.1 and the second valve plate 5.2 are positioned at the first working position, the first valve plate 5.1 and the second valve plate 5.2 are parallel and are attached together, and in the process of moving the first valve plate 5.1 and the second valve plate 5.2 from the first working position to the second working position, the lower side edges of the first valve plate 5.1 and the second valve plate 5.2 are gradually separated, until the first valve plate 5.1 and the second valve plate 5.2 move to the final second working position, in order to enable the first valve plate 5.1 and the second valve plate 5.2 to move to the optimal second working position, a first magnetic attraction piece can be arranged on the side wall of the collecting channel 4.1, a second magnetic attraction piece is arranged on the side edge of one side, away from the rotating piece 6, of the first valve plate 5.1 and the second valve plate 5.2, the magnetism of the first magnetic attraction piece is different from that of the second magnetic attraction piece, and the first valve plate 5.1 and the second valve plate 5.2 are further rotated by the attraction force of the first magnetic attraction piece and the second magnetic attraction piece.
In the embodiment provided by the invention, preferably, the valve plate 5 further comprises a mounting plate 5.3 fixedly mounted in the collection channel 4.1, the mounting plate 5.3 is arranged along the axial section direction of the sampling head 4, an open cavity 5.4 capable of storing the valve plate 5 is arranged on the mounting plate 5.3, the mounting plate 5.3 is fixedly connected with the side wall of the collection channel 4.1, and the mounting plate 5.3 is arranged, so that when the valve plate 5 is located at the first working position, the valve plate 5 is stored in the open cavity 5.4, thereby avoiding the situation that the valve plate 5 is pressed by the collected object to rotate accidentally during the descending collection process, for example, the valve plate 5 comprises a first valve plate 5.1 and a second valve plate 5.2 which are symmetrically arranged, the open cavity 5.4 is a semicircular cavity, the rotating piece 6 is rotatably connected to the open cavity 5.4, when the first valve plate 5.1 and the second valve plate 5.2 are located at the first working position, the first valve plate 5.1 and the second valve plate 5.2 are attached to each other and are both collected in the open cavity 5.4, in the descending collection process, collected objects press against the mounting plate 5.3, the first valve plate 5.1 and the second valve plate 5.2 cannot be pressed against each other, meanwhile, in order to enable the first valve plate 5.1 and the second valve plate 5.2 to be attached and collected in the open cavity 5.4, the second magnetic attraction piece on the first valve plate 5.1 is different from the second magnetic attraction piece on the second valve plate 5.2, and therefore the first valve plate 5.1 and the second valve plate 5.2 can be attached and fixed together.
In the embodiment provided by the invention, preferably, the collecting device further comprises a partition plate 3.7 which is fixedly arranged in the collecting cavity 3.1, the partition plate 3.7 and the mounting plate 5.3 are positioned on the same plane, the partition plate 3.7 is arranged along the axial section of the collecting cavity 3.1, so that the collecting cavity 3.1 is partitioned into two sub-cavities, the partition plate 3.7 and the mounting plate 5.3 are positioned on the same plane, and the mounting plate 5.3 partitions the collecting channel 4.1 into two sub-channels, so that in the descending collecting process, collected objects enter through an opening at the lower end of the collecting channel 4.1 and are respectively conveyed into the two sub-channels, and then the collected objects are respectively conveyed to the two sub-cavities from the sub-channels.
In another embodiment provided by the present invention, preferably, the present invention further comprises a power accumulating member 6.1, which is arranged on the rotating member 6, and the valve plate 5 rotates from the second working position to the first working position to drive the power accumulating member 6.1 to accumulate power; at least one end of the rotating part 6 is provided with a rotating seat 6.2, a rotating cavity is arranged on the side wall of the collecting channel 4.1, the rotating seat 6.2 is rotatably connected in the rotating cavity, the power storage part 6.1 is of an elastic structure, such as a torsion spring 6.4, the torsion spring 6.4 is coaxially arranged with the rotating part 6, two ends of the torsion spring 6.4 are respectively fixed on the rotating seat 6.2 and the side wall of the rotating cavity, and the torsion spring 6.4 is arranged to be in a natural state when the first valve plate 5.1 and the second valve plate 5.2 are in an optimal second working position (namely the first valve plate 5.1 and the second valve plate 5.2 are both in a position perpendicular to the axial section of the cylindrical sampling body 3).
In another embodiment of the present invention, further, a locking element 7 is further included, which is disposed on a side wall of the collecting channel 4.1 for locking the valve plate 5 in the first working position, the locking element 7 may be a locking rod or a locking block 7.1, a locking channel for moving the locking element 7 is disposed on a side wall of the rotating cavity, a locking portion 6.3 corresponding to the locking element 7 is disposed on the rotating base 6.2, the locking portion 6.3 may be a locking groove or a locking hole, when the first valve plate 5.1 and the second valve plate 5.2 rotate from the optimal second working position to the first working position, the torsion spring 6.4 is in a gradual force accumulation process, when the first valve plate 5.1 and the second valve plate 5.2 rotate to the first working position, the locking element 7 may be movable to be embedded into the locking portion 6.3 to lock the rotating base 6.2, so that the torsion spring 6.4 is in a force accumulation state, when the two ends of the rotating element 6 are both provided with the rotating base 6.2 and the rotating base 6.4, when the two rotating element 6 is provided with the rotating base 6.2 and the rotating base 6.2, the two rotating element 6.2 may be provided with a locking element, so that the two rotating element 6.2 can be simultaneously, when two rotating elements 6 are provided with a locking mechanism, and a locking mechanism is capable of locking mechanism, so that the two rotating element 6.2 can be capable of locking element 6 is capable of locking element 6, and a lifting mechanism is provided on the rotating head can be capable of lifting mechanism, and a lifting mechanism is provided on the rotating base 6.2, and a lifting mechanism is provided.
In another embodiment provided by the invention, further, the valve plate further comprises a driving assembly 8, which is arranged corresponding to the locking piece 7 and is used for driving the locking piece 7 to move from a locking state to an unlocking state, and in the unlocking state, the force accumulating piece 6.1 discharges force to drive the valve plate 5 to move from the first working position to the second working position; the driving assembly 8 is correspondingly connected with the locking piece 7, the driving assembly 8 can be of a gear structure, a connecting rod structure or other structures, a controller can be further connected onto the driving assembly 8, before descending collection, the first valve plate 5.1 and the second valve plate 5.2 are rotated to the first working position, the driving assembly 8 drives the locking piece 7 to the locking position, the locking piece 7 is locked with the rotating seat 6.2, the power storage piece 6.1 is in a power storage state, in the descending collection process, after the sampling rod 1 descends to a proper position, namely when bottom mud collection is completed by the cylindrical sampling piece, the driving assembly 8 can be remotely controlled to work through the controller, the driving assembly 8 drives the locking piece 7 to move to the unlocking position, so that the locking piece 7 unlocks the rotating seat 6.2, under the action of the power storage piece 6.1, the rotating piece 6 and the first valve plate 5.1 are driven, the second valve plate 5.2 rotates, the first valve plate 5.1 and the second valve plate 5.2 gradually move from the first working position to the second working position, and the lower end of the collection channel 4.1 is blocked.
In another embodiment provided by the present invention, preferably, the driving assembly 8 includes a driving member 8.1 and an elastic restoring member 8.2, the driving member 8.1 is disposed at one end of the collection cavity 3.1 far from the sampling head 4, when the soil in the collection cavity 3.1 is collected to a preset amount, the soil drives the driving member 8.1 to make a driving movement stroke along the axis direction of the cylindrical sampling body 3, the elastic restoring member 8.2 stores energy through the driving movement stroke of the driving member 8.1, and in the driving movement stroke, the unlocking member receives the driving of the driving member 8.1 to move from the locked state to the unlocked state; the bottom of the collection chamber 3.1 is connected to the collection channel 4.1, the top of the collection chamber 3.1 is provided with a movement chamber 3.6, the radial dimension of the movement chamber 3.6 is larger than the radial dimension of the collection chamber 3.1, the driving member 8.1 and the elastic restoring member 8.2 are both arranged in the movement chamber 3.6, the driving member 8.1 is in transmission connection with the locking member 7 through a transmission structure, the driving member 8.1 can be a circular plate which is slidably connected in the movement chamber 3.6, the elastic restoring member 8.2 is arranged such that, in an initial state, under the elastic driving of the elastic restoring member 8.2, the driving member 8.1 is attached to and closed at the upper end of the collection chamber 3.1 (at this time, the elastic force of the elastic restoring member 8.2 is small), when the collection object gradually enters the collection chamber 3.1 and reaches the top opening thereof, thereafter, the collection object is continuously conveyed into the collection chamber 3.1, the driving member 8.1 drives the driving member 8.1 to move upwards along the movement chamber 3.6, in the process, the elastic restoring member 8.2 is pressed to a compressed state, and simultaneously, the driving member gradually releases the locking position of the second valve plate from the working seat 5 and the second valve plate 5.
In another embodiment provided by the present invention, preferably, the elastic recovery member 8.2 includes a spring member 8.4, an elastic channel 8.5 is disposed on a side of the movement cavity 3.6 away from the collection cavity 3.1, the elastic channel 8.5 may be two, three, or more, the spring member 8.4 is fixedly disposed in the elastic channel 8.5, a sliding column 8.6 is disposed on the driving member 8.1, one end of the sliding column 8.6 is slidably connected in the elastic channel 8.5, one end of the spring member 8.4 is fixed on a top wall of the elastic channel 8.5, the sliding column 8.6 is connected with the other end of the spring member 8.4, when the driving member 8.1 is driven to move upward along the movement cavity 3.6, the driving member 8.1 drives the sliding column 8.6 to slide along the elastic channel 8.5 so as to press against the spring member 8.4, and when the driving force on the driving member 8.1 disappears, the driving member 8.1 is driven by the elasticity of the spring member 8.4, and the driving member 8.1 can recover to the initial position.
In another embodiment provided by the present invention, it is preferable that the present invention further includes a trigger 8.3, which is disposed on the top of the collection chamber 3.1, at the end of the driving movement stroke, the driving member 8.1 triggers the trigger 8.3 such as a contact switch, and an alarm mechanism corresponding to the trigger 8.3 is disposed on the ship or the lifting device 2, and the trigger 8.3 is arranged such that when the driving member 8.1 drives the locking member 7 to move from the locking position to the unlocking position, the trigger 8.3 is triggered, and the alarm mechanism gives an alarm sound to remind the operator that the collection is completed, that is, the descending collection process is completed.
In another embodiment provided by the invention, preferably, the locking piece 7 comprises a locking block 7.1 and a connecting rod 7.2 connected to the locking block 7.1, the other end of the connecting rod 7.2 is connected with the driving piece 8.1, and a movement through hole 3.2 for the connecting rod 7.2 to move is arranged in the cylindrical sampling piece; the connecting rod 7.2 and the locking block 7.1 can be one or two, the locking block 7.1 is provided with a locking structure 7.3 corresponding to the locking part 6.3, each locking block 7.1 is respectively provided with two locking structures 7.3, the two locking structures 7.3 correspond to the locking parts 6.3 on the rotating seat 6.2 at the same side of the two rotating parts 6, the locking channel on the side wall of the rotating cavity is coaxially and correspondingly arranged with the moving through hole 3.2, after the sampling head 4 is fixed on the cylindrical sampling body 3, the locking channel is communicated with the moving through hole 3.2 and has the same size, the connecting rod 7.2 can drive the locking block 7.1 to move up and down along the locking channel, when the first valve plate 5.1 and the second valve plate 5.2 are at the first working position, the locking parts 6.3 on the rotating seat 6.2 exactly correspond to the locking channels, that is to say, when the locking block 7.1 moves along the locking channel, the two locking structures 7.3 can be respectively and correspondingly embedded into the locking portions 6.3 of the two rotating seats 6.2, so as to lock the rotating seats 6.2, in this embodiment, the two ends of the two rotating parts 6 can be respectively provided with the rotating seats 6.2 and the locking parts 7, the rotating seat 6.2 is provided with an L-shaped groove as the locking portion 6.3, and the two L-shaped grooves are oppositely arranged, so that the locking of the locking block 7.1 to the rotating seat 6.2 can be realized by inserting one locking block 7.1 into the L-shaped groove, so as to prevent the rotating seat 6.2 from rotating, thereby improving the locking strength of the locking block 7.1 to the rotating seat 6.2, when the collected object drives the driving part 8.1 to move upwards along the moving cavity 3.6, the driving part 8.1 drives the locking block 7.1 through the connecting rod 7.2 at the same time, so that the locking block 7.1 moves upwards along the locking channel, and the locking structures 7.3 are separated from the locking portions 6.3 to release the locking of the rotating seat 6.2.
In this embodiment, since the cylindrical sampling body 3 is inserted into the sampling head 4, the locking member 7 in the sidewall is correspondingly inserted into the sidewall in an aligned manner, and the whole locking member 7 is of an axial rod-like structure, so that it is not necessary to occupy too much space.
In another embodiment provided by the present invention, preferably, at least two sampling openings 3.3 are provided on the side wall of the cylindrical sampling body 3, the sampling openings 3.3 are arranged at intervals along the axial direction of the cylindrical sampling body 3, and each sampling opening 3.3 is provided with a sealing plate 3.4 which can be opened or closed; sampling opening 3.3 can be two, three or a plurality of, closing plate 3.4 rotates through the axis of rotation and connects on sampling opening 3.3, when sampling opening 3.3 is closed to needs, rotating closing plate 3.4 and making closing plate 3.4 block fix on sampling opening 3.3, after the sample, the accessible presses closing plate 3.4 and makes closing plate 3.4 open sampling opening 3.3, so can directly take out the sample from sampling opening 3.3 and carry out the experiment, because sampling opening 3.3 is in the different positions of 3 axis directions of tube-shape sample body, consequently, the sample that supplies each sampling opening 3.3 to take out represents the bed mud of the different degree of depth of lake bottom, provide convenience for the experiment detects.
In still another embodiment of the present invention, preferably, the present invention further includes a sample storage barrel 9 with two open ends, the sample storage barrel 9 is detachably installed in the collection cavity 3.1, the driving assembly 8 is disposed at one end of the sample storage barrel 9 far from the opening of the collection cavity 3.1, the sample storage barrel 9 is hollow inside and has two open ends, the sample storage barrel 9 can be clamped or screwed in the collection cavity 3.1, when the sample storage barrel 9 is installed in the collection cavity 3.1, the upper end portion of the sample storage barrel 9 is located in the movement cavity 3.6, and the top of the sample storage barrel 9 abuts against the driving member 8.1, i.e. the driving member 8.1 abuts against and seals the top opening of the sample storage barrel 9, at this time, the driving member 8.1 serves as an active unloading mechanism to extrude the sample storage barrel 9 to achieve active unloading, at this time, the elastic recovery member 8.2 is disposed to have no elastic force or small elastic force, the sampling head 4 can be unloaded first, so that the sample storage barrel 9 can be integrally unloaded from the cylindrical sampling body 3, which is more convenient.
In an optional embodiment, after the sampling head 4 is removed, the end part of the locking block 7.1 of the exposed locking piece 7 can be pulled, and the locking part at the end part of the locking block 7.1 is an expanded part with expanded radial dimension, which can just provide a good hand-pulling force application part, so that the driving piece 8.1 is integrally pulled outwards, and the driving piece 8.1 extrudes the storage barrel 9 to realize the outward pulling of the end part of the storage barrel 9, so that the storage barrel 9 can be conveniently taken out.
And because the cylindrical sampling body 3 is spliced with the sampling head 4, the locking block 7.1 can be used as a guide structure for splicing, the locking block 7.1 is aligned with a locking channel on the sampling head 4, and the cylindrical sampling body 3 and the sampling head 4 can be just aligned and spliced.
The bottom opening of the sample storage barrel 9 is communicated with the collection channel 4.1, so that collected objects are conveyed into the sample storage barrel 9 from the collection channel 4.1 when the sample storage barrel 9 is filled with the collected objects, the collected objects drive the driving piece 8.1, meanwhile, a partition plate 3.7 can be arranged in the sample storage barrel 9, the partition plate 3.7 and the mounting plate 5.3 are positioned on the same plane, the partition plate 3.7 is arranged along the axial section of the sample storage barrel 9, so that the internal space of the sample storage barrel 9 is partitioned into two sub-chambers, the two sub-chambers correspond to the two sub-channels in the collection channel 4.1 in decibel, so that in the descending collection process, the collected objects are conveyed into the two sub-channels respectively after entering through the opening at the lower end of the collection channel 4.1, and then the collected objects are conveyed into the two sub-chambers respectively from the sub-channels, and the mixing phenomenon can be avoided when the collected objects are conveyed into the sample storage barrel 9 from the collection channel 4.1.
In another embodiment provided by the invention, preferably, the sampling device further comprises a driving rod 10, a driving hole 3.5 communicated with the collection cavity 3.1 is formed in the top of the cylindrical sampling piece, and the driving rod 10 can reciprocate along the driving hole 3.5 to drive the driving piece 8.1 and the sample storage barrel 9 to move towards the opening of the collection cavity 3.1; the drive rod 10 is detachably installed in the drive hole 3.5, after the collection of the lake bottom sediment, the cylindrical sampling part is taken down from the sampling rod 1, the sample storage barrel 9 needs to be taken down from the inside of the cylindrical sampling part at the moment, the drive rod 10 is rotatably installed in the drive hole 3.5, the end part of the drive rod 10 can be rotated to the inside of the movement cavity 3.6 through the drive rod 10, the drive rod 10 is in the movement process, the end part of the drive rod can drive the upper ends of the drive part 8.1 and the sample storage barrel 9, the upper end of the sample storage barrel 9 can be moved to the collection cavity 3.1 from the movement cavity 3.6, at the moment, the lower end of the sample storage barrel 9 extends out of the cylindrical sampling part, and then the sample storage barrel 9 can be conveniently taken out of the collection cavity 3.1 by means of tools.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and are not to be construed as limiting the scope of the invention.

Claims (10)

1. A lake sediment collecting device is used for being arranged on a ship and comprises a sampling rod and a lifting device for driving the sampling rod to move up and down, wherein the lower end of the sampling rod is connected with a cylindrical sampling body, and a collecting cavity with a downward opening is formed in the cylindrical sampling body;
it is provided with the valve plate and rotates the piece to gather in the passageway, it drives to rotate the valve plate be in gather the passageway internal rotation in order to have with the corresponding first operating position of the insertion process of sample head and with the corresponding second operating position of the sampling process of sample head first operating position, the valve plate with the axle cross-section of tube-shape sample body parallels second operating position, the valve plate with the axle cross-section of tube-shape sample body forms and blocks the contained angle.
2. The lake bottom mud collection device of claim 1, wherein the barrier angle is an acute angle or a right angle.
3. The lake bottom sediment collection device of claim 1, wherein the valve body comprises a first valve plate and a second valve plate which are symmetrically arranged, the rotation member is arranged on each of the first valve plate and the second valve plate, and the first valve plate and the second valve plate rotate along the bottom opening of the collection channel towards the opening direction of the collection cavity from the first working position to the second working position.
4. The lake bottom sediment collection device of claim 1, wherein the valve body further comprises a mounting plate fixedly mounted in the collection channel, the mounting plate is arranged along the axial cross-section direction of the sampling head, and an open cavity capable of storing the valve body is arranged on the mounting plate.
5. The lake bottom mud collection device of claim 4, further comprising a partition plate fixedly disposed in the collection chamber, wherein the partition plate is located on the same plane as the mounting plate.
6. The lake sediment collection device of claim 1, further comprising a power accumulation member disposed on the rotation member, wherein the rotation of the valve body from the second working position to the first working position drives the power accumulation member to accumulate power.
7. The lake sediment collection device of claim 6, further comprising a locking member provided on a side wall of the collection channel for locking the valve body in the first working position.
8. The lake sediment collection device of claim 7 further comprising a drive assembly disposed in correspondence with the locking member for driving the locking member to move from a locked state to an unlocked state in which the force accumulation member releases force to drive the valve body to move from the first working position to the second working position.
9. The lake sediment collection device of claim 8, wherein the driving assembly comprises a driving member and an elastic restoring member, the driving member is disposed at one end of the collection cavity far from the opening of the collection cavity, when the soil in the collection cavity is collected to a preset amount, the soil drives the driving member to make a driving movement stroke along the axis direction of the cylindrical sampling body, the elastic restoring member blocks the driving movement stroke of the driving member, and in the driving movement stroke, the unlocking member receives driving to move from the locking state to the unlocking state.
10. The lake sediment collection device of claim 9 further comprising a trigger member disposed at the top of the collection chamber, the drive member triggering the trigger member at the end of the drive motion stroke.
CN202210805696.XA 2022-07-08 2022-07-08 Lake sediment collection device Active CN115389253B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210805696.XA CN115389253B (en) 2022-07-08 2022-07-08 Lake sediment collection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210805696.XA CN115389253B (en) 2022-07-08 2022-07-08 Lake sediment collection device

Publications (2)

Publication Number Publication Date
CN115389253A true CN115389253A (en) 2022-11-25
CN115389253B CN115389253B (en) 2023-08-29

Family

ID=84117722

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210805696.XA Active CN115389253B (en) 2022-07-08 2022-07-08 Lake sediment collection device

Country Status (1)

Country Link
CN (1) CN115389253B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117882684A (en) * 2024-03-14 2024-04-16 云南省生态环境科学研究院 Sampling device and sampling method for benthonic animals in deep water lakes

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111207951A (en) * 2020-03-04 2020-05-29 生态环境部华南环境科学研究所 Low-disturbance soil sampling device and sampling method thereof
CN210719810U (en) * 2019-04-23 2020-06-09 卫星 Silt sampling device is subsided to environmental engineering water resource
WO2020133726A1 (en) * 2018-12-26 2020-07-02 深圳大学 System for in-situ retained coring of rock sample
CN212337163U (en) * 2020-07-27 2021-01-12 福建省华力勘测设计有限公司 Sampling drilling tool for sand and pebble layer
CN212432606U (en) * 2020-07-08 2021-01-29 王善举 Forest soil sampling device
CN113237693A (en) * 2021-05-14 2021-08-10 河南省有色金属地质矿产局第一地质大队 Energy-saving geological exploration drilling machine sampling equipment
CN216050891U (en) * 2021-09-15 2022-03-15 河南博睿诚城检测服务有限公司 Sludge detection uses high-efficient mud sampling equipment
CN216247332U (en) * 2021-11-16 2022-04-08 南京晓庄学院 Soil sample collection system cultivated in a pot

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020133726A1 (en) * 2018-12-26 2020-07-02 深圳大学 System for in-situ retained coring of rock sample
CN210719810U (en) * 2019-04-23 2020-06-09 卫星 Silt sampling device is subsided to environmental engineering water resource
CN111207951A (en) * 2020-03-04 2020-05-29 生态环境部华南环境科学研究所 Low-disturbance soil sampling device and sampling method thereof
CN212432606U (en) * 2020-07-08 2021-01-29 王善举 Forest soil sampling device
CN212337163U (en) * 2020-07-27 2021-01-12 福建省华力勘测设计有限公司 Sampling drilling tool for sand and pebble layer
CN113237693A (en) * 2021-05-14 2021-08-10 河南省有色金属地质矿产局第一地质大队 Energy-saving geological exploration drilling machine sampling equipment
CN216050891U (en) * 2021-09-15 2022-03-15 河南博睿诚城检测服务有限公司 Sludge detection uses high-efficient mud sampling equipment
CN216247332U (en) * 2021-11-16 2022-04-08 南京晓庄学院 Soil sample collection system cultivated in a pot

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117882684A (en) * 2024-03-14 2024-04-16 云南省生态环境科学研究院 Sampling device and sampling method for benthonic animals in deep water lakes
CN117882684B (en) * 2024-03-14 2024-05-10 云南省生态环境科学研究院 Sampling device and sampling method for benthonic animals in deep water lakes

Also Published As

Publication number Publication date
CN115389253B (en) 2023-08-29

Similar Documents

Publication Publication Date Title
CN201433731Y (en) Coring tool and rock core transporting assembly
CN101629876B (en) Pressed rotary vane sampler used for sludge yard and reclaimed yard and sampling method
CN109883757B (en) Offshore marine water quality and sediment sampling structure and sampling method thereof
CN115389253A (en) Lake sediment collection device
CN213658308U (en) Layered sampling device for soil detection
CN111122244A (en) Water quality monitoring water sample collection device
CN115014871A (en) Sampler for investigating polluted site underground water environment
CN217586425U (en) Sampling equipment suitable for sampling silt and mucky soil
CN109778824B (en) Weak soil sampling drilling tool with end clamping piece
CN216433586U (en) Geological disaster prevention and control monitoring soil sampling device
CN113358420B (en) River mud layered sampler
CN110439551B (en) Groundwater sample thief and tilting groundwater sampling system
CN117191478A (en) Sampling equipment suitable for pollutant analysis and application method thereof
CN116220568B (en) Drilling instrument for compactness test
CN219200906U (en) Mechanical iris sampling tube suitable for soft soil layered fine sampling
CN115144216B (en) Hydraulic engineering geological detection sampling tool and geological sampling method
CN115127868B (en) Sampling device for environmental monitoring
CN218239367U (en) Soil pollutant multi-point sampling device for environment detection
CN215004374U (en) Hydraulic engineering foundation soil experiment sampling device
CN115468799A (en) Sampling device for quickly testing geotechnical parameters of deep-sea sediments
CN110500036B (en) Inclined underground water sampling method
CN110439550B (en) Tilting soil sampling system
CN220251418U (en) Bottom mud sampling device for water body environment detection
CN215953090U (en) Water quality sampler for environmental monitoring
CN117030962B (en) Deep underground water pollution monitoring device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant