CN107677500A - Binary automatic coupling formula ocean columnar sampler drill bit - Google Patents
Binary automatic coupling formula ocean columnar sampler drill bit Download PDFInfo
- Publication number
- CN107677500A CN107677500A CN201710818205.4A CN201710818205A CN107677500A CN 107677500 A CN107677500 A CN 107677500A CN 201710818205 A CN201710818205 A CN 201710818205A CN 107677500 A CN107677500 A CN 107677500A
- Authority
- CN
- China
- Prior art keywords
- clutch
- hole
- epimere
- hypomere
- inverted cone
- 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
Links
Classifications
-
- 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
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
Abstract
The invention discloses a kind of binary automatic coupling formula ocean columnar sampler drill bit, including the automatic opening and closing flap component of epimere clutch, hypomere clutch and two, when hypomere clutch stress is downwardly away from epimere clutch, two automatic opening and closing flap component closures, when hypomere clutch stress upwards close to epimere clutch when, two automatic opening and closing flap components open.The drill bit of the present invention, pass through the linkage of the automatic opening and closing flap component of epimere clutch, hypomere clutch and two, form the having a double meaning card of closure column shaped deposit sample, it can effectively solve the problem that sediment sample leakage problem existing for existing monomer clutch drill bit or spring flap formula drill bit, the sample of collection more fully preserves primary deposit thickness and micro-structural etc., improve the acquisition rate and sampling work efficiency of column shaped deposit, handling are simple and convenient to operate, it can be widely used in gravity sampler or gravity piston sampler, there is preferable application prospect.
Description
Technical field
The present invention relates to bottom sediment sample devices field, and in particular to a kind of binary automatic coupling formula ocean column is adopted
Sample device drill bit.
Background technology
At present, existing miscellaneous bottom sediment columnar sampler both at home and abroad, but either gravity sampler is still
Gravity piston sampler (piston type gravity sampler), the drill bit of use is all monomer clutch drill bit or spring flap formula (pawl spring
Formula) drill bit.Sea it was verified that using monomer clutch drill bit or spring flap formula drill bit sampler, open defect be present, when from
When submarine sedimentary strata is drawn up gravity core pipe, monomer clutch drill bit or spring flap formula drill bit can not be sealed effectively full of heavy
The bushing pipe bottom of product thing, when constantly rising from seabed with winch, leakage downwards occurs for the deposit in bushing pipe, influences to sample matter
Amount, or even the deposit in bushing pipe are completely hollow, it has to re-start sampling.In the case of at sea having stormy waves, more seem
It is very laborious, time-consuming.Further, since monomer clutch drill bit or spring flap formula drill bit effectively can not prevent deposit from leaking, adopt
The primary deposit thickness of the column shaped deposit sample of collection, micro-structural etc. are destroyed, and are caused sampling quality low, are influenceed sample analysis
With the announcement of problem in science.
The content of the invention
It is an object of the invention to provide a kind of binary automatic coupling formula ocean column simple in construction, that plugging effect is good to adopt
Sample device drill bit, the acquisition quality and collecting efficiency of ocean column shaped deposit sample can be effectively improved.
To achieve the above object, the technical scheme is that:
A kind of binary automatic coupling formula ocean columnar sampler drill bit, including epimere clutch, hypomere clutch and two
Individual automatic opening and closing flap component, the epimere clutch and hypomere clutch are hollow columnar structures, wherein:
The outer wall of the epimere clutch is by first cylindrical section on top, the first inverted cone section of middle and upper part, middle and lower part
Second inverted cone section and the 3rd inverted cone section of bottom composition, the big footpath of the first inverted cone section are equal to outside the first cylindrical section
Footpath, path are equal to the second big footpath of inverted cone section, and the big footpath of the 3rd inverted cone section is equal to the second inverted cone section path;
The inwall of the epimere clutch is made up of the screwed hole on top, the first through hole for crossing sample hole and bottom of centre,
The first through hole hole wall is provided with two the first groove groups vertically, and the first groove group is radially uniform multiple first square grooves
Form;
The outer wall of the hypomere clutch is by the 5th of second cylindrical section on top, the 4th inverted cone section at middle part and bottom
Inverted cone section is formed, and the big footpath of the 4th inverted cone section is more than the second cylindrical section external diameter, and an annular boss is formed in joint portion, small
Footpath is equal to the 5th big footpath of inverted cone section;
The inwall of the hypomere clutch is made up of second through hole on top and the third through-hole of bottom, second through hole
Hole wall is provided with two the second groove groups vertically, and the second groove group is formed for radially uniform multiple second square grooves;
The automatic opening and closing flap component is made up of multiple flaps, and the flap includes swing rod and wedge-shaped shell fragment, the pendulum
Bar one end is provided with hinge hole, and the other end is fixed on wedge-shaped shell fragment, and the wedge-shaped shell fragment is sector, and radius is slightly less than the second through hole
Radius, central angle be equal to the second through hole circumference divided by flap number;
The first square groove in the first groove group, the second square groove in the second groove group and the leaf in automatic opening and closing flap component
The quantity of valve is correspondingly arranged, and the second cylindrical section of the hypomere clutch is set in the first through hole of epimere clutch, described
The length of second square groove is more than the length of the first square groove, and width is equal to the width of the first square groove, first square groove and second
The axis parallel of the length direction of square groove and the drill bit;
The wedge-shaped shell fragment is placed in the second through hole, after the swing rod sequentially passes through the second square groove and the first square groove, is led to
The be hinged of hinge hole and the steel wire rope on the first square groove is crossed, so that hypomere clutch is movably arranged on epimere clutch
On, when hypomere clutch stress is downwardly away from epimere clutch, two automatic opening and closing flap component closures, when hypomere clutch
Stress upwards close to epimere clutch when, two automatic opening and closing flap components open, and the hole that automatic opening and closing flap component opens
Footpath is equal to the internal diameter of third through-hole.
Compared with prior art, the beneficial effects of the present invention are:
By the linkage of the automatic opening and closing flap component of epimere clutch, hypomere clutch and two, form closure column and sink
The having a double meaning card of product thing sample, can effectively solve the problem that sediment sample existing for existing monomer clutch drill bit or spring flap formula drill bit
Leakage problem, for the column shaped deposit sample length of harvest than original long 2-5m, sample more fully preserves primary deposit thickness
Degree and micro-structural etc., the acquisition rate and sampling work efficiency, handling for improving column shaped deposit are simple and convenient to operate, and can be used extensively
In gravity sampler or gravity piston sampler, there is preferable application prospect.
Brief description of the drawings
Fig. 1 is the structural representation of the epimere clutch of the present invention;
Fig. 2 is the structural representation of the hypomere clutch of the present invention;
Fig. 3 is the structural representation of the flap of the present invention;
Fig. 4 is the structural representation of the automatic opening and closing flap component of the present invention;
Fig. 5 is the assembling schematic diagram of the binary automatic coupling formula ocean columnar sampler drill bit of the present invention;
Description of reference numerals:
1- epimere clutches, the cylindrical sections of 11- first, 12- the first inverted cone sections, 13- the second inverted cone sections, 14- the 3rd fall
Conical section, 15- screwed holes, 16- cross sample hole, 17- first through hole, the square grooves of 18- first;
2- hypomere clutches, the cylindrical sections of 21- second, the inverted cone sections of 22- the 4th, the inverted cone sections of 23- the 5th, 24- second are logical
Hole, 25- third through-holes, the square grooves of 26- second;
3- flaps, 31- swing rods, 32- wedge shape shell fragments, 33- hinge holes;
4- steel wire ropes.
Embodiment
Present disclosure is described in further details with reference to the accompanying drawings and detailed description.
Embodiment 1:
As shown in Figures 1 to 5, a kind of binary automatic coupling formula ocean columnar sampler drill bit, mainly by epimere clutch
1st, hypomere clutch 2 and two automatic opening and closing flap components are formed.
The hollow columnar structures that epimere clutch 1 is process by pressure-resistant stainless steel column, its outer wall are justified by the first of top
Shell of column 11, the first inverted cone section 12 of middle and upper part, the second inverted cone section 13 of middle and lower part and the 3rd inverted cone section 14 of bottom
Composition.Wherein, 12 big footpath of the first inverted cone section is equal to the external diameter of the first cylindrical section 11, and path is equal to 13 big footpath of the second inverted cone section,
3rd inverted cone section, 14 big footpath is equal to the path of the second inverted cone section 13, and the design that this external diameter continuously reduces can subtract to greatest extent
Few resistance of the drill bit to seawater during the dive of seabed.
Screwed hole 15, middle first through hole 17 structure of crossing sample hole 16 and bottom of the inwall of epimere clutch 1 by top
Into screwed hole 15 is used to connect with gravity core pipe, and first through hole 17 is used for and hypomere clutch 2 connects.In first through hole 17
Hole wall is provided with two the first groove groups vertically, and the first groove group is that 8 radially uniform the first square grooves 18 are formed.
Hypomere clutch 2 and the hollow columnar structures that are process by pressure-resistant stainless steel column, its outer wall is by the of top
5th inverted cone section 23 of two cylindrical sections 21, the 4th inverted cone section 22 at middle part and bottom forms.Wherein, the 4th inverted cone section 22
Big footpath is more than the external diameter of the second cylindrical section 21, an annular boss is formed in joint portion, when epimere clutch 1 and hypomere clutch 2 lean on
When near, the lower end of epimere clutch 1 is contradicted on annular boss.4th inverted cone section 22 and the 5th inverted cone section 23 are referred to as drill bit
Structure, this structure can not only reduce the resistance of seawater, and can penetrate the deeper sedimentary in seabed.
The inwall of hypomere clutch 2 is made up of second through hole 24 on top and the third through-hole 25 of bottom, in the second through hole
24 hole walls are provided with two the second groove groups vertically, and the second groove group is that 8 radially uniform the second square grooves 26 are formed.
Automatic opening and closing flap component is made up of 8 flaps 3, and every piece of flap 3 is formed by swing rod 31 and wedge-shaped shell fragment 32, pendulum
The one end of bar 31 is provided with hinge hole 33, and the other end is fixed on wedge-shaped shell fragment 32, and wedge-shaped shell fragment 32 is sector, and radius is slightly less than second
The radius of through hole 24, central angle are equal to the circumference of the second through hole 24 divided by the number of flap 3.
Second cylindrical section 21 of hypomere clutch 2 is set in the first through hole 17 of epimere clutch 1, and wedge-shaped shell fragment 32 is pacified
It is put in the second through hole 24, after swing rod 31 sequentially passes through the second square groove 26 and the first square groove 18, its hinge hole 33 and installed in
Steel wire rope 4 on one square groove 14 is be hinged.Wherein, the length of the second square groove 26 is more than the length of the first square groove 18, and width is equal to
The width of first square groove 18, the axis parallel of the length direction and drill bit of the first square groove 18 and the second square groove 26.So, epimere from
Clutch 1 and hypomere clutch 2 are coupled by the first square groove 18, the second square groove 26, flap 3 and steel wire rope 4, epimere clutch
Device 1 and hypomere clutch 2 can not be rotated at random, and can but be stretched automatically in the range of length difference of first square groove 18 with the second square groove 26
Contracting.When epimere clutch 1 and hypomere clutch 2 stretch because of gravity, 8 flaps 3 close automatically, and 8 wedge-shaped shell fragments 32 are firm
The section of the second through hole 24 is formed well, deposit is blocked with this, when epimere clutch 1 and hypomere clutch 2 are because contacting seabed
During contraction, 8 flaps 3 close automatically, and 8 wedge-shaped shell fragments 32 open the aperture that the aperture formed is equal to third through-hole 25 so that heavy
Product thing passes through drill bit and enters bushing pipe, reaches the purpose of sampling.
During installation, the second cylindrical section 21 of hypomere clutch 2 is directed at the first through hole 17 of epimere clutch 1 first, gently
Gently up push away so that two group of first square groove 18 of epimere clutch 1 and two group of second square groove 26 of hypomere clutch 2 are completely right
Should, epimere clutch 1 and hypomere clutch 2 is coupled, then flap 3 is sequentially placed into the second through hole 24, will be put
After bar 31 sequentially passes through the second square groove 26 and the first square groove 18, with steel wire rope 4 by the hinge hole 33 on swing rod 31 by 8 flaps
3 series windings, are finally welded on the outer wall of epimere clutch 1 by steel wire rope 2, realize and fix, and repeat second step to a last step, complete double
The assembling of body automatic coupling formula ocean columnar sampler drill bit.Externally threaded gravity core pipe lower end and epimere clutch will be machined with
The screwed hole 15 of device 1 is connected, and sample plastic liner is held in insertion matching in gravity core pipe work chamber after connecting, then passes through branch
Bearing block is connected by the parts such as frame with probe tube, then a complete binary automatic coupling formula ocean columnar sampler device
(hereinafter referred to as device) is formed.
Implement sampling when, binary automatic coupling formula ocean columnar sampler by the winch wirerope on ship slowly vertically to
Seabed dive, during dive under gravity, epimere clutch 1 and the Automatic-drawing of hypomere clutch 2, two automatic opening and closing flaps
Component closes automatically.Because gravity core pipe and detector intersect suspension on a steel cord, wherein the steel of suspension gravity core pipe
Cord is random length (can be with sea water advanced change), and intersects the top for hooking whole device of suspension on a steel cord
End, the upper steel wire rope for fastening connection detector again of this hook, the detector that this root steel wire rope ties down, sets away from whole device bottom
Fixed height can be to have tens of rice to hundreds of meters (can according to sea water advanced depending on).When whole device is vertical to marine bottom rapidly
During dive, detector touches the moment of submarine surface water and interface deposit first so that intersects suspension on a steel cord whole
Individual device is from the upper Automatic-falling of hook, the height that now whole device of Automatic-falling is set from this, overcomes the resistance of seawater,
Accelerated in a manner of freely falling body to seabed dive.When hypomere clutch 2 contacts seabed first, it will be moved upwards, and then
Two sections clutch is caused to shrink, the opening of contraction two automatic opening and closing flap components of control of clutch, and then to sink
Product thing passes through drill bit, into bushing pipe, to reach the purpose of sampling.Accelerating to during the dive of seabed, by pressure-bearing pouring weight and
Its device Action of Gravity Field of itself, deep layer bottom sediment is penetrated by the drill bit of hypomere clutch 2, until can not penetrate again for
Only, the plastic liner at this moment in gravity core pipe work chamber has had been filled with deposit.When the winch on ship be lifted up it is arbitrarily long
The moment of the steel wire rope of degree, two sections clutch Automatic-drawing, the automatic opening and closing flap component contraction opened originally are closed simultaneously
Tightly block in epimere clutch 2 and have been filled with the bottom of deposit plastic liner so that extracted vertically upward from seabed whole
During device, it is unlikely to miss obtained deposit from the bottom of the plastic liner clasped, realizes from seabed and gather deeper deposition
Layer, more complete, longer column shaped deposit.
Above-described embodiment is in the art the purpose is to be to allow simply to illustrate that the technical concepts and features of the present invention
Those of ordinary skill can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all
It is the equivalent change or modification made according to the essence of present invention, should all covers within the scope of the present invention.
Claims (1)
1. a kind of binary automatic coupling formula ocean columnar sampler drill bit, it is characterised in that including epimere clutch (1), hypomere
Clutch (2) and two automatic opening and closing flap components, the epimere clutch (1) and hypomere clutch (2) are hollow posts
Shape structure, wherein:
The outer wall of the epimere clutch (1) by first cylindrical section (11) on top, middle and upper part the first inverted cone section (12), in
Second inverted cone section (13) of bottom and the 3rd inverted cone section (14) composition of bottom, the big footpath of the first inverted cone section (12)
Equal to the first cylindrical section (11) external diameter, path is equal to second inverted cone section (13) big footpath, the big footpath of the 3rd inverted cone section (14)
Equal to second inverted cone section (13) path;
The inwall of the epimere clutch (1) is led to by the first of the screwed hole (15) on top, middle sample hole (16) excessively and bottom
Hole (17) is formed, and first through hole (17) hole wall is provided with two the first groove groups vertically, and the first groove group is radially equal
Multiple first square grooves (18) of cloth are formed;
The outer wall of the hypomere clutch (2) by second cylindrical section (21) on top, the 4th inverted cone section (22) at middle part and under
5th inverted cone section (23) composition in portion, the big footpath of the 4th inverted cone section (22) are more than the second cylindrical section (21) external diameter, tied
Conjunction portion forms an annular boss, and path is equal to the 5th inverted cone section (23) big footpath;
The inwall of the hypomere clutch (2) is made up of second through hole (24) on top and the third through-hole (25) of bottom, described
Second through hole (24) hole wall is provided with two the second groove groups vertically, and the second groove group is radially uniform multiple second square grooves
(26) form;
The automatic opening and closing flap component is made up of multiple flaps (3), and the flap (3) includes swing rod (31) and wedge-shaped shell fragment
(32), described swing rod (31) one end is provided with hinge hole (33), and the other end is fixed on wedge-shaped shell fragment (32), the wedge-shaped shell fragment
(32) it is sector, radius is slightly less than the radius of the second through hole (24), and central angle is equal to the circumference divided by flap of the second through hole (24)
(3) number;
In the second square groove (26) and automatic opening and closing flap component in the first square groove (18), the second groove group in the first groove group
The quantity of flap (3) be correspondingly arranged, the second cylindrical section (21) of the hypomere clutch (2) is set in epimere clutch (1)
First through hole (17) in, the length of second square groove (26) is more than the length of the first square groove (18), and width is equal to first
The length direction of the width of square groove (18), first square groove (18) and the second square groove (26) and the axis parallel of the drill bit;
The wedge-shaped shell fragment (32) is placed in the second through hole (24), and the swing rod (31) sequentially passes through the second square groove (26) and
After one square groove (18), by the be hinged of hinge hole (33) and the steel wire rope (4) on the first square groove (14) so that hypomere from
Clutch (2) is movably arranged on epimere clutch (1), when hypomere clutch (2) stress is downwardly away from epimere clutch (1),
Two automatic opening and closing flap components closures, when hypomere clutch (2) stress upwards close to epimere clutch (1) when, two are automatic
Opening and closing flap component opens, and the aperture of automatic opening and closing flap component opening is equal to the internal diameter of third through-hole (25).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710818205.4A CN107677500B (en) | 2017-09-12 | 2017-09-12 | Binary automatic coupling formula ocean columnar sampler drill bit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710818205.4A CN107677500B (en) | 2017-09-12 | 2017-09-12 | Binary automatic coupling formula ocean columnar sampler drill bit |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107677500A true CN107677500A (en) | 2018-02-09 |
CN107677500B CN107677500B (en) | 2019-11-12 |
Family
ID=61135177
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710818205.4A Active CN107677500B (en) | 2017-09-12 | 2017-09-12 | Binary automatic coupling formula ocean columnar sampler drill bit |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107677500B (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113532926A (en) * | 2021-08-18 | 2021-10-22 | 杜立婷 | Soil pollution detection pretreatment trolley and use method thereof |
CN113866268A (en) * | 2021-09-16 | 2021-12-31 | 中国科学院南海海洋研究所 | Acoustic vertical and radial layered measurement device for seabed sediment |
CN114088453A (en) * | 2021-11-19 | 2022-02-25 | 十九冶成都建设有限公司 | Sand and stone sample collecting cylinder |
CN115184073A (en) * | 2022-09-09 | 2022-10-14 | 深圳市勘察研究院有限公司 | Rock core sampling device for geotechnical engineering |
WO2023221811A1 (en) * | 2023-01-04 | 2023-11-23 | 中国科学院南海海洋研究所 | Novel disturbance-free marine sediment sampling tool |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101162187A (en) * | 2007-11-15 | 2008-04-16 | 南开大学 | Sediment columnar sampler |
CN202188974U (en) * | 2011-08-22 | 2012-04-11 | 天津市环境保护科学研究院 | Gravity type cylindrical sediment stratifying and sampling device |
CN105424406A (en) * | 2015-12-15 | 2016-03-23 | 武汉浩瀚机电设备有限公司 | Visible double-row columnar sampler for deep-sea sampling |
WO2016070252A1 (en) * | 2014-11-03 | 2016-05-12 | Universidad Federal Do Rio De Janeiro | Sampling device for soft and very soft soils with cable-actuated jaws and soil flow between the jaws and the sampling tube |
CN206132433U (en) * | 2016-09-06 | 2017-04-26 | 天津渤海水产研究所 | Water sample and bed mud collection system at bottom water layer coupling interface |
-
2017
- 2017-09-12 CN CN201710818205.4A patent/CN107677500B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101162187A (en) * | 2007-11-15 | 2008-04-16 | 南开大学 | Sediment columnar sampler |
CN202188974U (en) * | 2011-08-22 | 2012-04-11 | 天津市环境保护科学研究院 | Gravity type cylindrical sediment stratifying and sampling device |
WO2016070252A1 (en) * | 2014-11-03 | 2016-05-12 | Universidad Federal Do Rio De Janeiro | Sampling device for soft and very soft soils with cable-actuated jaws and soil flow between the jaws and the sampling tube |
CN105424406A (en) * | 2015-12-15 | 2016-03-23 | 武汉浩瀚机电设备有限公司 | Visible double-row columnar sampler for deep-sea sampling |
CN206132433U (en) * | 2016-09-06 | 2017-04-26 | 天津渤海水产研究所 | Water sample and bed mud collection system at bottom water layer coupling interface |
Non-Patent Citations (1)
Title |
---|
莫文治: "关于几种海底柱状取样器的分析和研制方向的探讨", 《海洋技术》 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113532926A (en) * | 2021-08-18 | 2021-10-22 | 杜立婷 | Soil pollution detection pretreatment trolley and use method thereof |
CN113866268A (en) * | 2021-09-16 | 2021-12-31 | 中国科学院南海海洋研究所 | Acoustic vertical and radial layered measurement device for seabed sediment |
CN114088453A (en) * | 2021-11-19 | 2022-02-25 | 十九冶成都建设有限公司 | Sand and stone sample collecting cylinder |
CN115184073A (en) * | 2022-09-09 | 2022-10-14 | 深圳市勘察研究院有限公司 | Rock core sampling device for geotechnical engineering |
CN115184073B (en) * | 2022-09-09 | 2022-12-20 | 深圳市勘察研究院有限公司 | Rock core sampling device for geotechnical engineering |
WO2023221811A1 (en) * | 2023-01-04 | 2023-11-23 | 中国科学院南海海洋研究所 | Novel disturbance-free marine sediment sampling tool |
Also Published As
Publication number | Publication date |
---|---|
CN107677500B (en) | 2019-11-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107677500B (en) | Binary automatic coupling formula ocean columnar sampler drill bit | |
US9784649B2 (en) | Silty floating mud collection device | |
US10301894B2 (en) | Experimental device and method used for polyphase separation of natural gas hydrate drilling fluid | |
CN105547750B (en) | Water conservancy fine sediment of reservoir water sample acquisition device and its method for sampling | |
CN107933828B (en) | A kind of expandable Novel fish mine anchor of anchor head and its installation method | |
CN104498323A (en) | Deep sea in-situ microbial cultivation apparatus | |
CN112255037B (en) | Gravity vibration composite deep-sea-shaped sampler with anti-disturbance structure | |
CN105571898B (en) | Seabed water sample depth sampler | |
CN106499383A (en) | A kind of method of evaluating cementing barrier integrity | |
CN113607499A (en) | Pressure type water sampler for ocean detection | |
CN206132442U (en) | Underground water stratified sampling device | |
CN208937363U (en) | A kind of shallow-layer bed mud stratified sampler | |
CN105758687A (en) | Deep-sea sediment in-situ cultivation and hermetic sampling mechanism | |
CN206975006U (en) | A kind of more water level water quality detection means | |
CN107439498A (en) | A kind of abyssopelagic organism trapper for improving trappability | |
CN112504737A (en) | All-stratum sediment sampler | |
CN206772650U (en) | A kind of vertical multi-point sampling device of ballast water | |
CN205936447U (en) | System is used to sleeve pipe expansion bend and strand probing location | |
CN206177626U (en) | No disturbance water sample collector | |
CN215492604U (en) | A sampler for water quality testing | |
CN210269269U (en) | Underwater petroleum sample collector | |
CN214538683U (en) | Water sample collection system for hydraulic engineering | |
CN105971532B (en) | Casing expander, strand probing positioning system and strand probing localization method | |
CN211784577U (en) | Deepwater layering synchronous sampling device | |
CN210638943U (en) | Bored pile mud sampler |
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 |