CN110361225A - A kind of ground quality detection soil sampler - Google Patents
A kind of ground quality detection soil sampler Download PDFInfo
- Publication number
- CN110361225A CN110361225A CN201910779205.7A CN201910779205A CN110361225A CN 110361225 A CN110361225 A CN 110361225A CN 201910779205 A CN201910779205 A CN 201910779205A CN 110361225 A CN110361225 A CN 110361225A
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- sampling
- sampler barrel
- scraper
- drive shaft
- sampler
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—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
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a kind of ground quality detection soil samplers, it is related to geology detection technique field, including drilling rod, the bottom of drilling rod is connected with sampler barrel, the bottom of sampler barrel is connected with drill bit, several sampling scrapers are distributed in equal central angles in sampler barrel, and the barrel of sampler barrel is equipped with opening face several outlets correspondingly with several sampling scrapers, and outlet is equipped with the close mechanism that can be opened and closed outlet；The sampling driving mechanism that several sampling scrapers are released or withdrawn from outlet is equipped in sampler barrel, sampling driving mechanism includes drive shaft, drive shaft be equipped with sampling scraper quantity it is equal, using drive shaft as the convex drive block of axis of rotation, the back of each convex drive block and corresponding scraper is tangent, is connected with reset spring between the back and drive shaft of each sampling scraper；Sampling scraper of the invention flexibly can be released or be retracted, and avoided the soil of other soil layers from entering sampler barrel, effectively ensured the purity of sample.
Description
Technical field
The present invention relates to geology detection technique fields, for the extraction of sample soil in ground quality detection, more particularly to a kind ofly
Quality detection soil sampler.
Background technique
Geologic prospect is according to the needs of economic construction, national defense construction and scientific technological advance, with mapping, geophysics
The geologic prospects methods such as exploration, geochemical exploration, probing, probing, sampling test, geolovic remote sensing, to the rock in a given area
The enquiry based work that the geological conditions such as stone, stratigraphic structure, mineral products, underground water, landforms carry out.
In geological prospecting and survey, in order to acquire the physical and mechanical property indexs of foundation soil, at present in addition to original position
Test is outer, main still using this means of indoor centrifugal modeling are carried out after drill sampling, by suitable tool, using exquisiteness
Sampling technique be the key point obtained close to the undisturbed soil sample of natural structure.
The most common tool used in drill sampling pierces the cutting ring of soil sampler in soil to needs for soil sampler
Soil sampler is extracted after depth, obtains the soil in soil sampler ring as test style.The soil box that takes of this soil sampler is mostly
Outside being directly exposed to, it is easy to trickle down the pedotheque taken out in this way, and be not target depth during taking soil
Soil be easily accessible the inner cavity for taking soil box, after taking out soil, i.e., the extra soil in soil sampler both ends is scraped off using scraper and is only taken
Soil in soil sampler ring can not also guarantee to take the purity of the soil in soil box, so that the accuracy to sample detection causes well
Interference.
Summary of the invention
It is an object of the invention to: purity is low when in order to solve the problems, such as that existing soil sampler takes soil to destination layer, the present invention
A kind of soil sampler that can effectively avoid allied soil and be mixed into target sample is provided.
The present invention specifically uses following technical scheme: a kind of ground quality detection soil sampler to achieve the goals above, including
Drilling rod, the bottom of the drilling rod are fixedly connected with sampler barrel, and the bottom of the sampler barrel is fixedly connected with drill bit, wherein sampling
Wait central angles that sampling scrapers of several openings towards sampler barrel side wall, back towards the sampler barrel center of circle, Shuo Gequ is distributed in cylinder
The bottom surface of sample scraper and sampler barrel is radially slidably connected with the sampler barrel center of circle, and the barrel of sampler barrel is equipped with to be scraped with several samplings
The several outlets correspondingly of the opening face of knife, the outlet are equipped with the close mechanism that can be opened and closed outlet；It is described to take
The sampling driving mechanism that several sampling scrapers are released or withdrawn from outlet is equipped in sample cylinder, sampling driving mechanism includes and sampling
The drive shaft that cylinder axial line is overlapped, the bottom end and sampler barrel bottom surface of drive shaft are rotatablely connected, and the top of drive shaft is connected with first
Rotary drive mechanism, the drive shaft be equipped with sampling scraper quantity it is equal, using drive shaft as axis of rotation convex drive
The back of block, each convex drive block and corresponding scraper is tangent, it is each sampling scraper back and drive shaft it
Between be connected with reset spring.
Preferably, the close mechanism includes that rotation is set in the position-limiting drum suited in sampler barrel and with sampler barrel inner wall,
The top of the position-limiting drum is equipped with the second rotary drive mechanism, and offering on the side wall of the position-limiting drum can be with several outlet one by one
Corresponding limited mouth.
Preferably, the drilling rod is the hollow drill being connected to sampler barrel, and second rotary drive mechanism includes and limit
The hollow gag lever post of position cylinder connection connection, the gag lever post are threaded through the inner cavity of drilling rod, and the top of the gag lever post, which is stretched out, bores
Bar is equipped with switch handle；First rotary drive mechanism includes rotating handles, and the top of the drive shaft is through in gag lever post
Chamber stretching is connect with rotating handles.
Preferably, the quantity of the sampling scraper is four, and the cross section of the sampling scraper is sector.
Preferably, distalmost end of each convex drive block apart from drive shaft is equipped with positioning plate.
Preferably, the drilling rod is externally provided with balance bracket.
Preferably, the balance bracket includes chassis and is fixed on the position-limited rack above chassis, the bottom by fixed link
A through-hole is equipped on frame and position-limited rack on same vertical line, is equipped with internal screw thread, the brill in wherein at least one through-hole
The outer wall of bar is equipped with the external screw thread with screw-internal thread fit.
Preferably, the chassis is the hollow cylindrical structure that Open Side Down, and the through-hole on the chassis is provided with bottom
On the axial line of top of support.
Beneficial effects of the present invention are as follows:
1, soil sampler of the invention, the sampling that equal central angles are distributed several opening towards sampler barrel side walls in sampler barrel are scraped
Knife, the barrel of sampler barrel are equipped with opening face several outlets correspondingly with several sampling scrapers, and outlet is equipped with and can beat
The close mechanism of open and close outlet, and be equipped in sampler barrel and drive the sampling that several sampling scrapers are released or withdrawn from outlet
Motivation structure, when taking soil, sampling scraper tightening is beaten by close mechanism again after reaching target soil layer at closed state in sampler barrel
It opens, sampling driving mechanism driving sampling scraper stretches out sampler barrel and is sampled, and after sampling, sampling scraper is retracted with soil sample
Into sampler barrel row closing again, avoids the soil of other soil layers from entering sampler barrel during sampler barrel is down or up, effectively ensure
The purity of sample.
2, sampling driving mechanism of the invention includes the drive shaft being overlapped with sampler barrel axial line, and drive shaft is equipped with and takes
Sample scraper quantity is equal, using drive shaft as the convex drive block of axis of rotation, each convex drive block and corresponding
The back of scraper is tangent, is connected with reset spring between the back and drive shaft of each sampling scraper, when sampling, rotate driving
Axis, convex drive block are rotated with drive shaft, and convex drive block acts on sampling scraper, driving of the sampling scraper in convex drive block
It marks insertion destination layer soil outward down to be sampled, after sampling, rotates backward drive shaft, convex drive block returns former
The support force outside to sampling scraper is cancelled in position, and sampling scraper, which is retracted under the forceful action of reset spring with sample soil, to be taken
Sample cylinder, the whole driving mechanism structure that samples is compact, stable, and the operation is simple and flexible, and property is strong；
3, close mechanism of the invention includes that rotation is set in the position-limiting drum suited in sampler barrel and with sampler barrel inner wall, limit
Limited mouth and outlet can be made by rotary stopper cylinder with several one-to-one limited mouths in outlet by offering on the side wall of position cylinder
It is aligned or is staggered, the closure and opening of sampler barrel can be realized, structure is simple to operation, practical；
4, the quantity of sampling scraper of the invention is four, and primary sample can obtain four pipe sample soil simultaneously, convenient for multiple
Detection；Cross section is sector, utmostly using the space in sampler barrel, for storing compared with Multi-example, and samples opening for scraper
Mouth face is arc, it is ensured that wider contact target soil layer samples simpler, quick；
5, distalmost end of each convex drive block of the present invention apart from drive shaft is equipped with positioning plate, and convex drive block rotates, when
Sampling scraper is in outermost end when distalmost end and tangent sampling scraper, fixed in distalmost end setting of the convex drive block apart from drive shaft
Position plate is convenient for sampling scraper in the limit of outermost end, stabilization when convenient for sampling scraper sampling；
6, drilling rod peripheral hardware of the invention sets balance bracket, avoids soil sampler inclination when manually taking soil, leads to taken soil
Depth and actually take native depth to generate error；
7, balance bracket of the invention includes chassis and is fixed on the position-limited rack above chassis, chassis and limit by fixed link
A through-hole is equipped on the frame of position on same vertical line, is equipped with internal screw thread in wherein at least one through-hole, the drilling rod it is outer
Wall is equipped with external screw thread with screw-internal thread fit, drilling rod on balance bracket by screw rod rotation brill downwards, it is vertical compared to traditional
The smooth drilling rod that stress is bored downwards, can drilling depth effectively increase, and encounter more hard soil property in going down process and bore at present more
Add laborsaving；And balance bracket is divided into upper layer and lower layer, can simply, effectively limit the verticality bored under drilling rod, avoid drilling rod in lower brill
It tilts in the process, structure is simple, and limit property is good；
8, chassis of the invention is the hollow cylindrical structure that Open Side Down, and chassis is placed on ground before lower brill, can
Balanced support directly is formed on the circumference using drilling rod as the center of circle, it is simple, effective, rigidity to prevent drilling rod from tilting.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the portion the A partial enlarged view of Fig. 1；
Fig. 3 is the top view of convex limited block of the invention；
Fig. 4 is the top view of balance bracket of the invention.
Appended drawing reference: 1- drilling rod, 2- handle, 3- sampler barrel, 4- drill bit, 5- sampling scraper, the outlet 6-, 7- drive shaft, 8-
Convex drive block, 9- positioning plate, 10- reset spring, 11- position-limiting drum, 12- limited mouth, 13- gag lever post, 14- switch handle, 15-
Rotating handles, 16- chassis, 17- fixed link, 18- position-limited rack, 19- internal thread hole, 20- unthreaded hole, 21- external screw thread
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.In addition, term " the
One ", " second " etc. is only used for distinguishing description, is not understood to indicate or imply relative importance.
In the description of embodiment of the present invention, it should be noted that the orientation of the instructions such as term "inner", "outside", "upper"
Or positional relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when the orientation usually put
Or positional relationship, it is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning
It must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
Embodiment 1
As shown in Figure 1 to Figure 3, the present embodiment provides a kind of ground quality detection soil sampler, including drilling rod 1, the tops of drilling rod 1
Equipped with handle 2, the bottom of drilling rod 1 is fixedly connected with sampler barrel 3, and the bottom of sampler barrel 3 is fixedly connected with drill bit 4, wherein sampling
It waits central angles distribution there are four being open towards 3 side wall of sampler barrel, back towards the sampling scraper 5 in 3 center of circle of sampler barrel in cylinder 3, takes
The cross section of sample scraper 5 is sector, utmostly using the space in sampler barrel 3, while storing four groups of samples, samples scraper 5
Opening face be arc, it is ensured that wider contact target soil layer, sample it is simpler, quick；The bottom surface of four sampling scrapers 5
It is radially slidably connected with the bottom surface of sampler barrel 3 using 3 axle center of sampler barrel as the center of circle, it is preferable that the bottom surface of sampler barrel 3 offers edge
The bottom surface of the wedge groove radially extended, sampling scraper 5 is equipped with the wedge block slided in wedge groove, so that sampling scraper 5 is taking
It reciprocatingly slides on sample cylinder 3, one-to-one four of opening face for sampling scraper 5 with four is evenly equipped on the barrel of sampler barrel 3 and is gone out
Mouth 6, four outlets 6 are equipped with the close mechanism that can be opened and closed outlet 6；Be equipped in sampler barrel 3 by four sampling scrapers 5 from
The sampling driving mechanism that outlet 6 is released or withdrawn, sampling driving mechanism includes the drive shaft 7 being overlapped with 3 axial line of sampler barrel, is driven
The bottom end of moving axis 7 and 3 underrun bearing block of sampler barrel are rotatablely connected, and the top of drive shaft 7 is connected with the first rotary driving machine
Structure, set in the drive shaft 7 there are four with drive shaft 7 as the convex drive block 8 of axis of rotation, each convex drive block 8 and with
The back of its corresponding scraper is tangent, is connected with reset spring 10 between the back and drive shaft 7 of each sampling scraper 5；When taking
When sample cylinder 3 is in initial position, a bit nearest of each convex drive block 8 apart from drive shaft 7 and sampling scraper 5 are tangent, take
Sample scraper 5 is respectively positioned in sampler barrel 3, rotates drive shaft 7, until convex drive block 8 apart from drive shaft 7 it is farthest a little and sampling
When scraper 5 is tangent, sampling scraper 5 is pushed out sampler barrel 3 to distalmost end, is inserted into soil layer and carries out taking soil, in order to ensure sampling scraper 5
Stability when soil is taken, distalmost end of each convex drive block 8 apart from drive shaft 7 is provided with positioning plate 9, on the one hand prevents from driving
Moving axis 7 rotates through position, on the other hand ensures to take the stability of soil.In addition, as shown in Fig. 2, in order to ensure sampling the stress of scraper 5
Equilibrium, drive shaft 7 are equipped with upper and lower two groups of convex drive blocks 8 and reset spring 10, are respectively acting on the upper of four sampling scrapers 5
Lower both ends.
When using the present invention, handle 2 is caught to bore drilling rod 1 is lower, when sampler barrel 3 reach target soil layer, drive close mechanism
Open sampler barrel 3 barrel on outlet 6, by the first rotary drive mechanism rotate drive shaft 7, until convex drive block 8 away from
It is farthest from drive shaft 7 a little and the back side of sampling scraper 5 is tangent, sampling scraper 5 is pushed out sampler barrel 3 to farthest through outlet 6
End, insertion soil layer carries out taking soil, when taking soil, slightly horizontal can rotate left and right drilling rod 1, more soil samples is made to enter sampling scraper 5,
After taking soil, drive shaft 7 is reversely rotated by the first rotary drive mechanism, drive shaft 7 drives convex drive block 8 to reset, takes
Sample scraper 5 rebounds sampler barrel 3 under the strong pulling force of reset spring 10, after closing outlet 6 again by close mechanism, by drilling rod 1
It extracts, obtains target soil sample.
Embodiment 2
As depicted in figs. 1 and 2, the present embodiment advanced optimizes on the basis of embodiment 1, in particular:
Close mechanism includes that rotation is set in suit in sampler barrel 3 and with 3 inner wall of the sampler barrel and perforative limit in lower end
Cylinder 11, position-limiting drum 11 and sampler barrel 3 are rotatablely connected, and the top of position-limiting drum 11 is equipped with the second rotary drive mechanism, position-limiting drum 11
Offering on side wall can be with four 6 one-to-one four limited mouth 12 of outlet.Pass through the second rotary drive mechanism rotary stopper
Cylinder 11 makes limited mouth 12 be aligned or be staggered one by one with outlet 6, the closure and opening of the outlet 6 of sampler barrel 3, structure can be realized
It is simple to operation, it is practical；
Embodiment 3
As depicted in figs. 1 and 2, the present embodiment advanced optimizes on the basis of embodiment 1 and embodiment 2, in particular:
Drilling rod 1 is the hollow drill 1 being connected to sampler barrel 3, wherein the second rotary drive mechanism includes connecting with position-limiting drum 11
Hollow gag lever post 13 that is logical and being fixedly connected with position-limiting drum 11, gag lever post 13 are threaded through the inner cavity of drilling rod 1, the top of gag lever post 13
The handle 2 that 1 top of drilling rod is stretched out at end is equipped with switch handle 14；First rotary drive mechanism includes rotating handles 15, drive shaft 7
The inner cavity that top passes through gag lever post 13 is stretched out switch handle 14 and is fixedly connected with rotating handles 15.It is pushed up by rotation process drilling rod 1
Handle 2, switch handle 14 and the rotating handles 15 in portion can realize the opening of decline and the rising, sampler barrel 3 of drilling rod 1 respectively
Closure and opening and sampling scraper 5 extend and retract, it is easy to operate, easy to use.
Embodiment 4
As shown in Figure 1, Figure 2 and shown in Fig. 4 figure, the present embodiment is further on the basis of embodiment 1, embodiment 2 and embodiment 3
Optimization, in particular:
Drilling rod 1 is externally provided with balance bracket, and the balance bracket includes chassis 16 and is fixed on chassis 16 by fixed link 17
The position-limited rack 18 of top, the chassis 16 are the hollow cylindrical structure that Open Side Down, are located on chassis 16 and position-limited rack 18
A through-hole is equipped on the axial line of chassis 16, wherein the through-hole on chassis 16 is internal thread hole 19, logical on position-limited rack 18
Hole be unthreaded hole 20, the outer wall of drilling rod 1 be equipped with from top to bottom can with the external screw thread 21 of screw-internal thread fit, in this way, by chassis before lower brill
16 are placed on ground, cylindrical chassis 16 can directly in the support for forming balance on the circumference in the center of circle with drilling rod 1, it is simple,
Effectively, rigid to prevent drilling rod 1 from tilting, soil sampler inclination when manually taking soil is avoided, the depth and reality of taken soil are caused
Native depth is taken to generate error；And drilling rod 1 is rotated by screw rod on balance bracket and is bored downwards, it is downward compared to traditional vertical stress
The smooth drilling rod 1 bored, can drilling depth effectively increase, and encounter more hard soil property in going down process and bore at present and more save
Power；And balance bracket is divided into upper layer and lower layer, can simply, effectively limit the verticality bored under drilling rod 1, avoid drilling rod 1 drill-through under
It is tilted in journey；In the present embodiment, threaded hole is arranged on chassis 16 to bore convenient for the rotation of drilling rod 1 is lower, the through-hole on position-limited rack 18 is
Unthreaded hole 20 has bored position-limiting action down to the vertical of drilling rod 1, it is of course also possible to set internal screw thread for the through-hole on position-limited rack 18
Through-hole on chassis 16 is set as unthreaded hole 20 by hole 19, alternatively, the through-hole on chassis 16 and position-limited rack 18 is set as threaded hole.
Claims (8)
1. a kind of ground quality detection soil sampler, including drilling rod (1), it is characterised in that: the bottom of the drilling rod (1) is fixedly connected with
The bottom of sampler barrel (3), the sampler barrel (3) is fixedly connected with drill bit (4), wherein equal central angles are distributed in sampler barrel (3)
Sampling scraper (5) of several openings towards sampler barrel (3) side wall, back towards sampler barrel (3) center of circle, several sampling scrapers (5)
Radially be slidably connected with the bottom surface of sampler barrel (3) using sampler barrel (3) axle center as the center of circle, the barrel of sampler barrel (3) be equipped with
The one-to-one several outlets (6) in the opening face of several samplings scraper (5), the outlet (6) are equipped with and can be opened and closed out
The close mechanism of mouth (6)；The sampling that several samplings scraper (5) are released or withdrawn from outlet (6) is equipped in the sampler barrel (3)
Driving mechanism, sampling driving mechanism includes the drive shaft (7) being overlapped with sampler barrel (3) axial line, the bottom end of drive shaft (7) with take
The rotation connection of sample cylinder (3) bottom surface, the top of drive shaft (7) are connected with the first rotary drive mechanism, and the drive shaft (7) is equipped with
With sampling scraper (5) quantity it is equal, with drive shaft (7) be axis of rotation convex drive block (8), each convex drive block
(8) and the back of corresponding scraper is tangent, is connected with reset between the back and drive shaft (7) of each sampling scraper (5)
Spring (10).
2. quality detection soil sampler in a kind of ground according to claim 1, it is characterised in that: the close mechanism includes rotation
It is set in the position-limiting drum (11) suited in sampler barrel (3) and with sampler barrel (3) inner wall, the top of the position-limiting drum (11) is equipped with the
Two rotary drive mechanisms, offering on the side wall of the position-limiting drum (11) can be with several outlet (6) one-to-one limited mouth
(12)。
3. quality detection soil sampler in a kind of ground according to claim 2, it is characterised in that: the drilling rod (1) be and sampling
The hollow drill (1) of cylinder (3) connection, second rotary drive mechanism include the hollow limit that connection is connected to position-limiting drum (11)
Position bar (13), the gag lever post (13) are threaded through the inner cavity of drilling rod (1), and the top of the gag lever post (13) is stretched out drilling rod (1) and set
There are switch handle (14)；First rotary drive mechanism includes rotating handles (15), and the top of the drive shaft (7) is through limiting
The inner cavity of bar (13) is stretched out to be connect with rotating handles (15).
4. quality detection soil sampler in a kind of ground according to claim 1, it is characterised in that: the number of sampling scraper (5)
Amount is four, and the cross section of sampling scraper (5) is sector.
5. quality detection soil sampler in a kind of ground according to claim 1, it is characterised in that: each convex drive block
(8) distalmost end apart from drive shaft (7) is equipped with positioning plate (9).
6. quality detection soil sampler in a kind of ground according to claim 1, it is characterised in that: the drilling rod (1) is externally provided with flat
Weigh bracket.
7. quality detection soil sampler in a kind of ground according to claim 6, it is characterised in that: the balance bracket includes chassis
(16) and by fixed link (17) position-limited rack (18) above chassis (16) is fixed on, on the chassis (16) and position-limited rack (18)
Be equipped with a through-hole on same vertical line, be equipped with internal screw thread in wherein at least one through-hole, the outer wall of the drilling rod (1) from
Up to having and the external screw thread of screw-internal thread fit (21).
8. quality detection soil sampler in a kind of ground according to claim 7, it is characterised in that: the chassis (16) be opening to
Under hollow cylindrical structure, the through-hole on the chassis (16) is provided on the axial line of chassis (16) top surface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910779205.7A CN110361225A (en) | 2019-08-22 | 2019-08-22 | A kind of ground quality detection soil sampler |
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| CN201910779205.7A CN110361225A (en) | 2019-08-22 | 2019-08-22 | A kind of ground quality detection soil sampler |
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| CN110726828A (en) * | 2019-11-22 | 2020-01-24 | 江苏开创检测技术有限公司 | Online soil metal detection device |
| CN111751150A (en) * | 2020-07-03 | 2020-10-09 | 皖江工学院 | Geological exploration sampling device and using method thereof |
| CN111795853A (en) * | 2020-08-17 | 2020-10-20 | 湖南省水利水电勘测设计研究总院 | Soil sampling device and method suitable for completely weathered stratum |
| CN112326923A (en) * | 2020-09-24 | 2021-02-05 | 深圳华力岩土工程有限公司 | Soil layer surveying device and method |
| CN112502655A (en) * | 2020-11-30 | 2021-03-16 | 中国地质大学（北京） | Shale coring device |
| CN113029644A (en) * | 2021-02-26 | 2021-06-25 | 西安科技大学 | Soil sampling device for ecological environment monitoring |
| CN114112499A (en) * | 2021-11-25 | 2022-03-01 | 河北省地质测绘院 | Soil collector for soil pollution prevention and control |
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| CN110726828A (en) * | 2019-11-22 | 2020-01-24 | 江苏开创检测技术有限公司 | Online soil metal detection device |
| CN111751150A (en) * | 2020-07-03 | 2020-10-09 | 皖江工学院 | Geological exploration sampling device and using method thereof |
| CN111751150B (en) * | 2020-07-03 | 2022-10-25 | 皖江工学院 | Geological exploration sampling device and using method thereof |
| CN111795853A (en) * | 2020-08-17 | 2020-10-20 | 湖南省水利水电勘测设计研究总院 | Soil sampling device and method suitable for completely weathered stratum |
| CN112326923A (en) * | 2020-09-24 | 2021-02-05 | 深圳华力岩土工程有限公司 | Soil layer surveying device and method |
| CN112502655A (en) * | 2020-11-30 | 2021-03-16 | 中国地质大学（北京） | Shale coring device |
| CN113029644A (en) * | 2021-02-26 | 2021-06-25 | 西安科技大学 | Soil sampling device for ecological environment monitoring |
| CN114112499A (en) * | 2021-11-25 | 2022-03-01 | 河北省地质测绘院 | Soil collector for soil pollution prevention and control |
| CN114112499B (en) * | 2021-11-25 | 2023-08-22 | 河北省地质测绘院 | Soil collector for preventing and controlling soil pollution |
| CN115127868A (en) * | 2022-08-31 | 2022-09-30 | 诺维环境工程技术徐州有限公司 | Sampling device for environmental monitoring |
| CN116337516A (en) * | 2023-05-30 | 2023-06-27 | 成都理工大学 | Geological detection sample core sampling device and method |
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