CN104390810B - Novel cutting ring capable of acquiring continuous soil column sample - Google Patents

Novel cutting ring capable of acquiring continuous soil column sample Download PDF

Info

Publication number
CN104390810B
CN104390810B CN201410629138.8A CN201410629138A CN104390810B CN 104390810 B CN104390810 B CN 104390810B CN 201410629138 A CN201410629138 A CN 201410629138A CN 104390810 B CN104390810 B CN 104390810B
Authority
CN
China
Prior art keywords
cutter hub
layer cutter
cutting ring
outer layer
soil
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.)
Expired - Fee Related
Application number
CN201410629138.8A
Other languages
Chinese (zh)
Other versions
CN104390810A (en
Inventor
李德志
李经纶
秦艾丽
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.)
East China Normal University
Original Assignee
East China Normal University
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 East China Normal University filed Critical East China Normal University
Priority to CN201410629138.8A priority Critical patent/CN104390810B/en
Publication of CN104390810A publication Critical patent/CN104390810A/en
Application granted granted Critical
Publication of CN104390810B publication Critical patent/CN104390810B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention discloses a novel cutting ring capable of acquiring a continuous soil column sample. The novel cutting ring comprises a cylindrical inner layer cutter body, a cylindrical middle layer cutter body and a cylindrical outer layer cutter body, which are coaxially arranged; the tops of the inner layer cutter body, the middle layer cutter body and the outer layer cutter body are level; the inner layer cutter body is formed by two detachable semi-cylindrical cutter bodies; the outer layer cutter body sleeves the inner layer cutter body, the bottom of the outer layer cutter body is provided with an arc-shaped folded part which is folded inwards, and an annular gap is formed between the folded part and the bottom of the inner layer cutter body; the middle layer cutter body is arranged between the inner layer cutter body and the outer layer cutter body in a sliding manner, and the bottom of the middle layer cutter body is provided with an arc-shaped cutter part which is folded inwards; when the middle layer cutter body slides to the bottom, the cutter part stretches out of the annular gap, and a cutter point on the bottom of the cutter part is completely merged. By adopting the novel cutting ring, the soil of multiple layers can be continuously sampled only by drilling a hole in the soil.

Description

A kind of new cutting ring for obtaining continuous earth pillar sample
Technical field
The present invention relates to a kind of cutting ring, more particularly to a kind of new cutting ring for obtaining continuous earth pillar sample.
Background technology
Cutting ring is for obtaining original-state soil to determine requisite one kind during various soil root systems in agrology research Rustless steel instrument.In research work, it is often necessary to continuously acquire the pedotheque of different levels.But by traditional cutting ring, then very Difficulty is accomplished.
When attempting to obtain the sample of certain soil different levels with traditional cutting ring, it usually needs first dig a big soil Earth is cheated, and cuts out a vertical soil profile, then, for different levels soil, cutting ring is drilled through respectively.Sampling process is time-consuming, Arduously, and with the increase of depth of soil, difficulty is also multiplied, and the destruction to environment is also very big, and also can only be interrupted Ground obtains the pedotheque of different levels in vertical direction.In addition, traditional cutting ring requires that when in use, typically blade downwards, hangs down Straight uniform incision.But during practical operation, but it is difficult to ensure that cutting ring and horizontal plane.
Instant invention overcomes drawbacks described above, it is proposed that a kind of new cutting ring for obtaining continuous earth pillar sample.It is of the invention new Type cutting ring only drills through a hole in soil, it is possible to obtain the continuous earth pillar containing many levels soil, not only laborsaving, height Effect, earth pillar sample are continuous, and reach minimum to environmental disruption degree.
The content of the invention
The present invention proposes a kind of new cutting ring for obtaining continuous earth pillar sample, including into cylindrical shape and being coaxially disposed Internal layer cutter hub, middle level cutter hub and outer layer cutter hub;The top of the internal layer cutter hub, the middle level cutter hub and the outer layer cutter hub is neat It is flat;The internal layer cutter hub is detachable two semi-cylindrical shaped cutter hub;The outer layer cutter hub is set in the outer of the internal layer cutter hub Portion, the bottom of the outer layer cutter hub has a gathering portion of the inside gathering of arc, the bottom of the gathering portion and the internal layer cutter hub Annular slot is formed between portion;The middle level cutter hub is slidably disposed between the internal layer cutter hub and the outer layer cutter hub, The bottom of the middle level cutter hub has the cutting knife portion of the inside gathering of arc;In sampling, when the middle level cutter hub slides into bottom During portion, the edge of a knife that the cutting knife portion leans out up to cutting knife portion bottom from the annular slot is completely integrated, and will squeeze Enter the soil column inside the internal layer cutter hub to separate with extraneous soil, the soil column is covered by the cutting ring of middle level.
In the new cutting ring that continuous earth pillar sample can be obtained proposed by the present invention, the inwall of the outer layer cutter hub is provided with At least one sliding groove, the outer wall of the middle level cutter hub is provided with the sliding part cooperated with the sliding groove.
In the new cutting ring that continuous earth pillar sample can be obtained proposed by the present invention, handheld component is further included, institute State handheld component to be connected with the top of the middle level cutter hub;When the middle level cutter hub slides into bottom, the handheld component with The top of the internal layer cutter hub and the outer layer cutter hub maintains an equal level, and by bolt respectively with the internal layer cutter hub and the outer layer knife Body is fixed.
In the new cutting ring that continuous earth pillar sample can be obtained proposed by the present invention, the cutting knife portion is further provided with Socket;When the middle level cutter hub slides into bottom, the socket is flushed with the bottom of the internal layer cutter hub, and the socket is used for Insertion diaphragm plate, the earth pillar sample inside the internal layer cutter hub is separated from the middle level cutter hub.
In the new cutting ring that continuous earth pillar sample can be obtained proposed by the present invention, the inside of the outer layer cutter hub is arranged Have at least one air channel, the outer wall of the outer layer cutter hub is provided with least one fine through holes, the fine through holes with it is described Air channel is connected, and is passed through after gases at high pressure to air channel, and gas is quickly escaped outside to the outer layer cutter hub from the fine through holes Inflate to increase air pressure between wall and the soil that is brought into close contact, be easy to propose the new cutting ring from soil.
In the new cutting ring that continuous earth pillar sample can be obtained proposed by the present invention, at the top of the outer layer cutter hub one is entered Step is connected with top cover, and the new cutting ring is pressed in soil by pushing the top cover;The top cover is provided with pulling part, institute Pulling part is stated for lifting the new cutting ring from soil.
In the new cutting ring that continuous earth pillar sample can be obtained proposed by the present invention, at the top of the top cover level is provided with Instrument, for direction and horizontal plane that adjustment makes to push or lift.
Beneficial effects of the present invention include:A hole is only drilled through in soil, it is possible to complete the soil to many levels Run continuous samples, without cheating, making after vertical soil section by digging big soil, then successively take pedotheque, not only save A large amount of manpowers are saved, destruction of the soil sample work to habitat is reached minimum.The continuous pedotheque for obtaining causes research The consecutive variations of soil property are possibly realized.
Description of the drawings
Fig. 1 is the schematic diagram of the new cutting ring that the present invention can obtain continuous earth pillar sample.
Fig. 2 is the sectional view of the new cutting ring that the present invention can obtain continuous earth pillar sample.
Fig. 3 is the top view of the new cutting ring that the present invention can obtain continuous earth pillar sample.
Fig. 4 a are the schematic diagrams of the jog of internal layer cutter hub junction;Fig. 4 b are showing for the jog of internal layer cutter hub junction It is intended to;Fig. 4 c are the schematic diagrams of the jog of internal layer cutter hub junction.
Fig. 5 is the schematic diagram of middle level cutter hub.
Fig. 6 is that middle level cutter hub and internal layer cutter hub are snapped down to bottom and are provided with the sectional view of the new cutting ring of handheld component.
Fig. 7 is the schematic diagram of socket.
Fig. 8 is the sectional view of air channel and fine through holes.
Fig. 9 is provided with the schematic diagram of the new cutting ring of top cover.
Specific embodiment
With reference to specific examples below and accompanying drawing, the present invention is described in further detail.The process of the enforcement present invention, Condition, experimental technique etc., in addition to the following content for specially referring to, are the universal knowledege and common knowledge of this area, this It is bright that content is not particularly limited.
Referring to Fig. 1, Fig. 2 and Fig. 3, Fig. 1 is shown the schematic diagram of new cutting ring of the invention.Fig. 2 is shown A- in Fig. 1 The sectional view in A sections, Fig. 3 is shown the top view of new cutting ring, and the new cutting ring includes into cylindrical shape and is coaxially disposed Internal layer cutter hub 1, middle level cutter hub 2 and outer layer cutter hub 3.The total height of new cutting ring is designed as several different class, internal layer cutter hub 1, The internal diameter of middle level cutter hub 2 and outer layer cutter hub 3 is also designed to various different sizes.According to soil texture situation, suitable inner diameter is selected Cutting ring.When the soil texture is soft, from the cutting ring that internal diameter is larger;It is when the soil texture relatively sticks hard, then less from internal diameter Cutting ring, in order to insert soil, obtain earth pillar sample.
Internal layer cutter hub 1 is made up of two semi-cylindrical shaped stainless steel substrates, after two stainless steel substrates merge, is set in the position of contact There is the jog for cooperating.Fig. 4 a-c show three kinds of different jogs, and jog is intermeshed and causes two rustless steels Piece is connected with each other, and is fixed with bolt.Before by new cutting ring insertion soil of the invention, two semi-cylindrical shaped stainless steel substrates are in connect Conjunction state, and be screwed, open when wherein earth pillar is taken out and separate.
Before whole new cutting ring insertion soil and during lifting out soil cave, internal layer cutter hub 1 and outer layer cutter hub 3 begin Connection is kept eventually, and is fixed with screw fashion at top.Before new cutting ring takes out preparation taking-up wherein earth pillar from soil, beat Open and separated after the screw between internal layer cutter hub 1 and outer layer cutter hub 3.The fixed screw between two stainless steel substrates of internal layer cutter hub 1 is opened, Therefrom extract earth pillar sample.
Outer layer cutter hub 3 is set in the outside of internal layer cutter hub 1, and the bottom of outer layer cutter hub 3 has the receipts of the inside gathering of arc Hold together portion, in order to insert soil in.Annular slot 4 is formed between the bottom of gathering portion and internal layer cutter hub 1.
Middle level cutter hub 2 is slidably disposed between internal layer cutter hub 1 and outer layer cutter hub 3, and the bottom of middle level cutter hub 2 has arc The cutting knife portion 21 of the inside gathering of shape.Cutting knife portion 21 is consistent with the radian in gathering portion.In sampling, when the middle level cutter hub 2 is slided When moving to bottom, the cutting knife portion 21 leans out from the annular slot 4, will clamp-on the soil column and extraneous soil of internal layer cutting ring Cut-out, and be enclosed within the cutting ring of middle level, the edge of a knife of the bottom of cutting knife portion 21 is completely integrated, and sees Fig. 5.The preferable reality of the present invention In applying example, the inwall of outer layer cutter hub 3 is provided with least one sliding groove 32, and the outer wall of middle level cutter hub 2 is provided with mutual with sliding groove 32 The sliding part 22 of cooperation.Middle level cutter hub 2 can be slided up and down along sliding groove 32 between internal layer cutter hub 1 and outer layer cutter hub 3.
As shown in fig. 6, the top of middle level cutter hub 2 can be connected with external handheld component 5.The top of middle level cutter hub 2 is provided with Screw thread mouth, can threadably be connected and fixed with handheld component 5.When handheld component 5 is engaged simultaneously with the main body of middle level cutter hub 2 It is pushed completely into soil, and the upper limb of handheld component 5, when flushing with the upper end of ectonexine cutter hub 3, the cutting knife portion 21 of middle level cutter hub 2 is just right Connect, so as to cut off, separate the soil inside internal layer cutter hub 1 with extraneous soil, and seal the earth pillar sample inside middle level cutter hub 2 Prevent lower leakage.At this moment can be screwed with the upper limb of ectonexine cutter hub 3 with the upper limb of handheld part 5.Then new cutting ring Entirety lifts out.Handheld component 5 can be nested with middle level cutter hub, and the used time can be not dummy, and screw is tightened when using.
Referring to Fig. 7, the cutting knife portion 21 of middle level cutter hub 2 is provided with a thin socket 6, and one piece of diaphragm plate is can be inserted in socket 6. The surrounding of socket 6 on the outside of two and half intercept form arc cutters, is provided with shallow and uniform depression, the depth and length and width size of the depression With the thickness and length and width consistent size of rustless steel mounting.New cutting ring insertion soil before and new cutting ring carried from soil During pulling out, rustless steel mounting is adopted to seal socket 6 and fix with screw fashion.Soil is integrally inserted in new cutting ring Afterwards, middle level cutter hub 2 slides into bottom, and the edge of a knife in cutting knife portion 21, when being completely integrated, socket 6 is just neat with the lower edge of internal layer cutter hub 1 It is flat.When new cutting ring is lifted out from soil and prepares to open internal layer cutter hub 1, it is inserted into diaphragm plate in socket 6 and causes Earth pillar sample in internal layer cutter hub 1 is separated from middle level cutter hub 2, can form complete continuous earth pillar sample.
In order that the new cutting ring in insertion soil cave is easy to be lifted out, as shown in figure 8, in the wall of outer layer cutter hub 3 On open up at least one air channel 7, at the top of the wall of outer layer cutter hub 3, the bottom of air channel 7 is sealing to upper end open.Outer layer knife The lateral wall of body 3 connects at least provided with a fine through holes 8, fine through holes 8 with air channel 7.It is overall by from soil in new cutting ring Before lifting out in earth cave, new cutting ring outer wall may fit closely with Soil Surrounding, be not easy to pull out, at this moment, using height Pneumatic tube, is inflated by the hole at the top of outer layer cutter hub 3 into air channel 7, blows fine through holes 8 open so that outer layer cutter hub 3 and soil The gas of high flow rate is filled between contact surface, the resistance between outer layer cutter hub 3 and soil contact when above carrying is reduced with this.
After new cutting ring integrally is lifted out, first internal layer cutter hub 1 is separated with outer layer cutter hub 3, by internal layer cutter hub 1 with Layer cutter hub 2 lifts out.To after the insertion diaphragm plate of socket 6, two semi-cylindrical stainless steel substrates of longitudinally opened internal layer cutter hub 1, Soil below diaphragm plate, beyond internal layer cutter hub 1 is removed, the complete continuous earth pillar sample in the inside of internal layer cutter hub 1 is obtained.
When soil more consolidation, new cutting ring is inserted into the process of soil and can complete by mechanically or electrically machine.For example Using the box-like jack of triad the box-like jack of insertion, diad can be assisted to assist lifting.Diad is box-like very heavy Top is common hydraulic jack, and upwards, assistance lifts new cutting ring to last force direction from soil cave;And triad The jack that box-like jack is made up of three parts.Each part is a hydraulic cylinder, and sealing can be realized between three Formula connection combination.Second hydraulic cylinder plays a part of to change the direction of transfer of power, and downwards, assistance will be new for last force direction Cutting ring is integrally pressed in soil.
Refering to Fig. 9, the top of outer layer cutter hub 3 is further connected with top cover 9, is pressed into new cutting ring by pressing cover 9 In soil.Top cover 9 is provided with pulling part 91, and pulling part 91 is used to lift new cutting ring from soil.The center of top of top cover 9 sets There are level indicator, the bubble for for example being surrounded by fiberglass, for as the force direction and horizontal plane for indicating to push or lift.
The protection content of the present invention is not limited to above example.Under the spirit and scope without departing substantially from inventive concept, this Art personnel it is conceivable that change and advantage be all included in the present invention, and with appending claims as protect Shield scope.

Claims (5)

1. a kind of new cutting ring for obtaining continuous earth pillar sample, it is characterised in that in including into cylindrical shape and being coaxially disposed Layer cutter hub (1), middle level cutter hub (2) and outer layer cutter hub (3);The internal layer cutter hub (1), the middle level cutter hub (2) and the outer layer Cutter hub is flushed at the top of (3);
The internal layer cutter hub (1) is detachable two semi-cylindrical shaped cutter hub;
The outer layer cutter hub (3) is set in the outside of the internal layer cutter hub (1), and the bottom of the outer layer cutter hub (3) has arc Inside gathering gathering portion, between the gathering portion and the bottom of the internal layer cutter hub (1) formed annular slot (4);
The middle level cutter hub (2) is slidably disposed between the internal layer cutter hub (1) and the outer layer cutter hub (3), it is described in The bottom of layer cutter hub (2) has the cutting knife portion (21) of the inside gathering of arc;In sampling, when the middle level cutter hub (2) is slided During to bottom, the cutting knife portion (21) leans out complete up to the edge of a knife of cutting knife portion (21) bottom from the annular slot (4) It is complete to merge, the internal soil column of the internal layer cutter hub (1) will be clamp-oned and separated with extraneous soil, the soil column is covered by In the cutting ring of middle level;
The cutting knife portion (21) is further provided with socket (6);When the middle level cutter hub (2) slides into bottom, the socket (6) flush with the bottom of the internal layer cutter hub (1), the socket (6) is interior by the internal layer cutter hub (1) for inserting diaphragm plate The earth pillar sample in portion is separated from the middle level cutter hub (2);
The outer layer cutter hub (3) is internally provided with least one air channel (7), and the outer wall of the outer layer cutter hub (3) is provided with At least one fine through holes (8), the fine through holes (8) connect with the air channel (7), and to air channel (7) high pressure gas are passed through After body, gas is quickly escaped to filling between outer layer cutter hub (3) outer wall and the soil being brought into close contact from the fine through holes (8) Gas is easy to propose the new cutting ring from soil to increase air pressure.
2. the new cutting ring of continuous earth pillar sample can be obtained as claimed in claim 1, it is characterised in that the outer layer cutter hub (3) inwall is provided with least one sliding groove (32), and the outer wall of the middle level cutter hub (2) is provided with the sliding groove (32) mutually The sliding part (22) of cooperation.
3. the new cutting ring of continuous earth pillar sample can be obtained as claimed in claim 1, it is characterised in that be further included hand-held Part (5), the handheld component (5) is connected with the top of the middle level cutter hub (2);When the middle level cutter hub (2) slides into bottom During portion, the handheld component (5) maintains an equal level with the top of the internal layer cutter hub (1) and the outer layer cutter hub (3), and by bolt point It is unfixed with the internal layer cutter hub (1) and the outer layer cutter hub (3).
4. the new cutting ring of continuous earth pillar sample can be obtained as claimed in claim 1, it is characterised in that the outer layer cutter hub (3) top is further connected with top cover (9), and the new cutting ring is pressed in soil by pushing the top cover (9);It is described Top cover (9) is provided with pulling part (91), and the pulling part (91) from soil for lifting the new cutting ring.
5. the new cutting ring of continuous earth pillar sample can be obtained as claimed in claim 4, it is characterised in that the top cover (9) Top is provided with level indicator, for direction and horizontal plane that adjustment makes to push or lift.
CN201410629138.8A 2014-11-10 2014-11-10 Novel cutting ring capable of acquiring continuous soil column sample Expired - Fee Related CN104390810B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410629138.8A CN104390810B (en) 2014-11-10 2014-11-10 Novel cutting ring capable of acquiring continuous soil column sample

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410629138.8A CN104390810B (en) 2014-11-10 2014-11-10 Novel cutting ring capable of acquiring continuous soil column sample

Publications (2)

Publication Number Publication Date
CN104390810A CN104390810A (en) 2015-03-04
CN104390810B true CN104390810B (en) 2017-04-19

Family

ID=52608742

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410629138.8A Expired - Fee Related CN104390810B (en) 2014-11-10 2014-11-10 Novel cutting ring capable of acquiring continuous soil column sample

Country Status (1)

Country Link
CN (1) CN104390810B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105675844A (en) * 2016-03-26 2016-06-15 西北大学 Measurement device and method for frozen swell and melt settlement amount of loess sample
CN107941550A (en) * 2017-11-29 2018-04-20 陕西理工大学 A kind of ground sampler
CN109580271A (en) * 2018-12-27 2019-04-05 华东师范大学 Undisturbed sediment columnar sampler and its acquisition method suitable for silt coast
CN110031254B (en) * 2019-04-23 2021-05-07 海南医学院 Split type corrupt biological material extractor
CN110579372B (en) * 2019-09-18 2021-01-19 四川大学 Novel undisturbed soil column sampling device and use method thereof
CN114002007A (en) * 2021-11-22 2022-02-01 中南林业科技大学 Sampling device and leaching device for nitrogen migration and conversion, sampling method and method for researching nitrogen migration and conversion
CN115575171B (en) * 2022-10-11 2023-06-27 国网甘肃省电力公司经济技术研究院 Undisturbed frozen soil sampling device

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2325036A1 (en) * 1975-09-17 1977-04-15 Anvar Sampler for removing sediment from water - has frame with internal compartment closed by semi-rigid sliding plate operated by rod within handle
SU1418600A1 (en) * 1986-12-15 1988-08-23 Ленинградский инженерно-строительный институт Apparatus for sampling ground core and arrangement for cutting core into samples
CN103335862A (en) * 2013-07-11 2013-10-02 中国水利水电科学研究院 Split type soil bulk density sampler
CN203443798U (en) * 2013-08-12 2014-02-19 谭钦文 Shallow undisturbed soil sampler
CN103808527A (en) * 2013-09-18 2014-05-21 中国水产科学研究院南海水产研究所 Disturbance-free deposit sampler
CN103900848A (en) * 2014-03-22 2014-07-02 赵志英 Oil sampler
CN203745227U (en) * 2013-12-13 2014-07-30 贵州大学 Soil sampler
CN103969082A (en) * 2014-04-28 2014-08-06 浙江大学 Sampler for contaminated undisturbed silt sample
CN104005406A (en) * 2014-01-29 2014-08-27 陈东曙 Tubular pile construction method and pile tube structure of tubular pile

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2325036A1 (en) * 1975-09-17 1977-04-15 Anvar Sampler for removing sediment from water - has frame with internal compartment closed by semi-rigid sliding plate operated by rod within handle
SU1418600A1 (en) * 1986-12-15 1988-08-23 Ленинградский инженерно-строительный институт Apparatus for sampling ground core and arrangement for cutting core into samples
CN103335862A (en) * 2013-07-11 2013-10-02 中国水利水电科学研究院 Split type soil bulk density sampler
CN203443798U (en) * 2013-08-12 2014-02-19 谭钦文 Shallow undisturbed soil sampler
CN103808527A (en) * 2013-09-18 2014-05-21 中国水产科学研究院南海水产研究所 Disturbance-free deposit sampler
CN203745227U (en) * 2013-12-13 2014-07-30 贵州大学 Soil sampler
CN104005406A (en) * 2014-01-29 2014-08-27 陈东曙 Tubular pile construction method and pile tube structure of tubular pile
CN103900848A (en) * 2014-03-22 2014-07-02 赵志英 Oil sampler
CN103969082A (en) * 2014-04-28 2014-08-06 浙江大学 Sampler for contaminated undisturbed silt sample

Also Published As

Publication number Publication date
CN104390810A (en) 2015-03-04

Similar Documents

Publication Publication Date Title
CN104390810B (en) Novel cutting ring capable of acquiring continuous soil column sample
CN102323104B (en) Primary state soil sampler for loose sandy soil
US11039817B2 (en) Bone marrow aspiration device and method
CN101146564B (en) Tube placement apparatus
WO2006083770A3 (en) Quick cycle biopsy system
KR101463185B1 (en) Soil sampling mechanism
CN105571889A (en) Piston type fixed-depth soil core sampling device and use method thereof
CN110231193A (en) A kind of soil rapid sampling attachment
CA2698820A1 (en) Bone biopsy and bone marrow aspiration device
CN107991125B (en) Portable soil sampler of fracture formula
CN108332991A (en) A kind of cutting ring soil sampler
CN108318285B (en) Device for taking soil from soil profile in one-time multilayer mode and application method of device
CN204591265U (en) Soil foil sampler
CN103900848A (en) Oil sampler
CN218865544U (en) Soil tubulose sampler
US20160302480A1 (en) Smoking devices and methods of making and using the same
CN204379320U (en) Medical sclerotin sampling trepan
CN208721440U (en) A kind of hard soil Special soil sampler
CN205847915U (en) Digging machine
CN206281674U (en) A kind of split type soil sampler of spiral
CN216791715U (en) Degradable plastic film residual film rate monitoring device
CN206440479U (en) A kind of Multifucntional pharmacy experimental sample-taking device
CN104523304B (en) Medical sclerotin sampling trepan
CN104510505B (en) Vertebral body sampling trepan
RU2745786C1 (en) Sampling device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170419

Termination date: 20201110