CN209673424U - A kind of solid particle sealed sampling device - Google Patents
A kind of solid particle sealed sampling device Download PDFInfo
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- CN209673424U CN209673424U CN201920077341.7U CN201920077341U CN209673424U CN 209673424 U CN209673424 U CN 209673424U CN 201920077341 U CN201920077341 U CN 201920077341U CN 209673424 U CN209673424 U CN 209673424U
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- sampling
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- interconnecting piece
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- probe tube
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Abstract
The utility model discloses a kind of solid particle sealed sampling devices, including sampling head, sample homogeneous tube, pressing piece and the whole cylinder of sampling, sampling homogeneous tube includes multiple sequentially connected probe tubes, sampling whole cylinder includes multiple sequentially connected sampling sleeves, multiple probe tubes and multiple sampling sleeves are coaxially disposed, correspondence is arranged with sampling sleeve outside each probe tube, sampling homogeneous tube inner wall is provided with the first card slot, it samples whole drum outer wall and is correspondingly arranged on the first fixture block being clamped with the first card slot, sampling homogeneous tube and the whole cylinder of sampling opposite can slide up and down, sampling head samples whole cylinder one end by connecting tube connection, the whole cylinder other end is sampled to connect with link block, pressing piece is connected on sampling homogeneous tube, the second sample tap is provided on the outside of each probe tube, the first sample tap to match with the second sample tap is provided on the outside of each sampling sleeve.The utility model can be sealed the sand particle of sampling, while can be segmented and be sampled to the sand particle of different location.
Description
Technical field
The utility model relates to solid particle detection technique fields, particularly relate to a kind of solid particle sealed sampling device.
Background technique
Before carrying out detection test process to sand particle, precision is tested and analyzed to improve, is generally required to the sand taken
Grain, which is quickly sieved, separates impurity, sampling etc., to be handled.The sampler of existing sand particle is mainly that common tubular type takes
Sample device, generally single tube fluting or two-tube slotted sleeve structure.The entire sampler of tube sampler is integral substantially, is taken
Sample pipe and sampler head are one fixed whole.
But one, existing sampler sampling can not be sealed sand particle, it is not possible to a period of time be delayed to carry out again
Detection, it is existing that the sand particle come out to sampling is needed to have detected as early as possible, if sample will be sampled in unencapsulated situation
Product delay a period of time to be detected or taken back again laboratory and detected, such that the application condition of testing result
Greatly, increase detection error, influence detection accuracy；Two, wearing or deforming once occur in existing sampler, entire sampler dress
Setting all to scrap, and can not repair use or repair relatively time-consuming expensive, cost allowance is larger；Three, existing sampler
In be generally unable to sectional sampling.
Summary of the invention
In view of this, the purpose of this utility model is that a kind of solid particle sealed sampling device is proposed, to be dedicated to solving
Certainly the whole issue in background technique or one of.
Based on a kind of above-mentioned purpose solid particle sealed sampling device provided by the utility model, including sampling head, sampling
Homogeneous tube, pressing piece, the whole cylinder of sampling and link block and connecting tube, the sampling homogeneous tube include multiple sequentially connected probe tubes, often
Sampling cavity is provided in a probe tube, the whole cylinder of sampling includes multiple sequentially connected sampling sleeves, multiple described
Probe tube and multiple sampling sleeves are coaxially disposed, and correspondence is arranged with the sampling sleeve outside each probe tube,
The sampling homogeneous tube inner wall is provided with the first card slot, and the whole drum outer wall of sampling is correspondingly arranged on and first card slot clamping
First fixture block, the sampling homogeneous tube and the whole cylinder of sampling opposite can slide up and down, and the sampling head is taken by connecting tube with described
The whole cylinder one end of sample is connected, and the whole cylinder other end of sampling is connect with link block, connect in the connecting tube with the whole cylinder of sampling
The first groove is provided on one end face, bottom is fixedly connected with elastomeric spring in first groove, and the elastomeric spring is another
One end is connected with elastic cushion, is connected with the pressing piece through link block setting on the sampling homogeneous tube, outside each probe tube
Side is provided with the second sample tap, is provided with the first sampling to match with the second sample tap on the outside of each sampling sleeve
Mouthful.
Optionally, it is connected between the probe tube and the probe tube by second connecting portion, the probe tube and pressing
It is connected between part also by second connecting portion, the second connecting portion includes the second sub- interconnecting piece and second female interconnecting piece, described
Probe tube one end and pressing piece lower end are provided with the second sub- interconnecting piece, and the probe tube other end is provided with and the second sub- interconnecting piece
The female interconnecting piece of second to be cooperatively connected.
Optionally, the described second sub- interconnecting piece includes the second fixture block, the second groove, connecting spring, third fixture block, connection
Line, first sliding groove and the second sliding block, described probe tube one end middle position are provided with second fixture block, second fixture block two
Side offers the second groove, is provided with third fixture block in second groove, and the third fixture block passes through connecting spring and the
The slot bottom of two grooves is connected, and is provided with first sliding groove on the outside of the probe tube, slidably connects second in the first sliding groove
Sliding block, second sliding block are connect by connecting line with the third fixture block；Second female interconnecting piece include the second card slot and
Third card slot, probe tube other end middle position be provided with the second fixture block cooperation clamping the second card slot, described second
Two sides are provided with the third card slot with the cooperation clamping of third fixture block in card slot.
Optionally, the shape of the third fixture block is triangle, and wherein hypotenuse is arranged far from the second sliding block.
Optionally, the shape of the third fixture block is that a quarter is round, and wherein the arc-shaped edges of a quarter circle are separate
The setting of second sliding block.
Optionally, second sample tap side is provided with sampling gate, and second sample tap the upper side and lower side is respectively provided with
There is second sliding slot, the second sliding block being fixedly connected with sampling gate is slidably connected in the second sliding slot.
Optionally, the connecting tube, sample sleeve upper end offer the first sub- interconnecting piece, the sampling sleeve lower end
First female interconnecting piece being cooperatively connected with the first sub- interconnecting piece is offered with link block lower end.
Optionally, the described first sub- interconnecting piece is internal screw thread, and described first female interconnecting piece is external screw thread；Or described first
Sub- interconnecting piece is external screw thread, and described first female interconnecting piece is internal screw thread.
Optionally, it is provided with tag board on the outside of each probe tube, label groove is provided in the tag board.
From the above it can be seen that the utility model beneficial effect is:
1. the utility model is provided with sampling gate, sampling gate setting on the upside of the second sample tap side, the second sample tap and
Downside is provided with second sliding slot, and the second sliding block being fixedly connected with sampling gate is slidably connected in second sliding slot, stirs sampling
Door is slided toward the second sample tap direction, and such sampling gate can be sealed the second sample tap, so that the sand in probe tube
Grain is not easy to fall, while can be convenient the subsequent having time of testing staff and detecting, it is not necessary that the sand particle come out to sampling
It is had detected as early as possible, so that after progress sand is sampled and is sealed against in sand granulation mass, it will taking with sampling sand particle
Sample pipe takes back laboratory, then can detect in the lab to the sampled sand particle being sealed, can also wait one
The section time carries out test experience again.
2. the utility model is provided with the second sub- interconnecting piece and second female interconnecting piece, probe tube is separately being needed to be tied
Altogether, the second of a probe tube the sub- interconnecting piece is inserted on second female interconnecting piece of another probe tube, two is taken
Sample pipe connects, and the second fixture block sticks into the second card slot, and third fixture block sticks into third card slot, so that two probe tubes
Clamping is got up, and replacement is changed in the place that occurs wearing or deform when perhaps deformation occurs wearing in sampler, is needed
When with changing probe tube, slide the second sliding block for being slidably connected in first sliding groove so that the second sliding block connected by connecting line the
Three fixture blocks move in the second groove, convenient for third fixture block be detached from third card slot in, at this moment can by two be connected take
Sample pipe separates.
3. the utility model is provided with tag board, each probe tube can be marked, be all provided on the outside of each probe tube
It is equipped with tag board, is provided with label groove in tag board, label on the tag board on probe tube, or in label groove
It is inserted with label, slotting label is the sand particle for the ease of distinguishing different location after sampler samples, and has been more convenient sampling.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of solid particle sealed sampling device embodiment of the utility model；
Fig. 2 is the enlarged structure schematic diagram in Fig. 1 at A；
Fig. 3 is the enlarged structure schematic diagram in Fig. 1 at B；
Fig. 4 is the schematic cross-section in Fig. 1 at C-C.
In figure: sampling head -1, probe tube -2 sample homogeneous tube -3, and pressing piece -4 samples sleeve -5, and link block -6, the first is recessed
Slot -7, elastomeric spring -8, female interconnecting piece -12, the first card of the sub- interconnecting piece -11, the second of elastic cushion -9, the first sample tap -10, the first
Slot -13, the first fixture block -14, the second card slot -15, the second fixture block -16, the second groove -17, connecting spring -18, third fixture block -
19, third card slot -20, connecting line -21, first sliding groove -22, the second sliding block -23, the second sample tap -24, sampling gate -25, the second
Sliding slot -26, the second sliding block -27, connecting tube -28.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with specific embodiment, and
Referring to attached drawing, the utility model is further described.
It should be noted that all statements for using " first " and " second " are for area in the utility model embodiment
Be divided to two non-equal entities of same names or non-equal parameter, it is seen that " first " " second " only for statement convenience,
It should not be construed as the restriction to the utility model embodiment, subsequent embodiment no longer illustrates this one by one.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of solid particle sealed sampling device, including sampling head 1, sampling homogeneous tube
3, pressing piece 4, the whole cylinder of sampling, link block 6 and connecting tube 28, the sampling homogeneous tube 3 include multiple sequentially connected probe tubes 2,
The whole cylinder of sampling includes multiple sequentially connected sampling sleeves 5, multiple probe tubes 2 and multiple sampling sleeves 5
It is coaxially disposed, sampling cavity is provided in each probe tube 2, is corresponded to outside each probe tube 2 and is arranged with described take
Sample sleeve 5,3 inner wall of sampling homogeneous tube are provided with the first card slot 13, and the whole drum outer wall of sampling is correspondingly arranged on and described the
First fixture block 14 of one card slot 13 clamping, the sampling homogeneous tube 3 and the whole cylinder of sampling opposite can slide up and down, and can prevent institute
It states sampling homogeneous tube 3 and samples whole cylinder and relatively rotate, the sampling head 1 is connected by connecting tube 28 with described whole cylinder one end of sampling
It connects, the whole cylinder other end of sampling is connect with link block 6, is arranged on the end face connecting in the connecting tube 28 with the whole cylinder of sampling
There is the first groove 7, bottom is fixedly connected with elastomeric spring 8,8 other end of the elastomeric spring connection in first groove 7
Flexible pad 9, described to sample the pressing piece 4 for being connected on homogeneous tube 3 and being arranged through link block 6, each 2 outside of probe tube is
It is provided with the second sample tap 24, first to match with the second sample tap 24 is provided on the outside of each sampling sleeve 5 and takes
Sample mouth 10.
Sampling head 1 is the sampling head of national standard, and sampling head 1 meets national standard in the present apparatus, is provided in the probe tube 2
Sampling cavity, the sample flow of sampling cavity is the sample flow of national standard defined in probe tube 2.The execution standard of sand sampling:
JGJ52-2006,GB/T14684-2001；Examine batch: should the same place of production to stack at the construction field (site), same specification checks and accepts in batches,
Checked and accepted batch with 400 cubic metres or 600 tons for one, small instruments and tools (such as tractor) with 200m3 or 300t for an inspection lot, in deficiency
Quantity person is stated in terms of a batch, it, can be with one when quality is more stable for negligible amounts of once marching into the arena, and with into user
The moon is an inspection lot with 400 cubic metres or 600 tons for a period, and insufficient person is also that a batch is inspected by random samples, is sampled in material heap
When no less than 8 points, form one group of sample, take sand about 30kg.
For the ease of detachable between probe tube 3 and probe tube 3, and for the ease of removable between probe tube 3 and pressing piece 4
It unloads, is connected between the probe tube 3 and the probe tube 3 by second connecting portion, between the probe tube 3 and pressing piece 4
It is connected by second connecting portion, the second connecting portion includes the second sub- interconnecting piece and second female interconnecting piece, the probe tube 3 one
End and 4 lower end of pressing piece are provided with the second sub- interconnecting piece, and 3 other end of probe tube is provided with to be connected with the second sub- interconnecting piece cooperation
The female interconnecting piece of second connect.
For the ease of quickly taking to probe tube 3, the second sub- interconnecting piece includes that the second fixture block 16, second is recessed
Slot 17, connecting spring 18, third fixture block 19, connecting line 21, first sliding groove 22 and the second sliding block 23, in described 3 one end of probe tube
Meta position, which installs, is equipped with second fixture block 16, and 16 two sides of the second fixture block offer the second groove 17, second groove
Third fixture block 19 is provided in 17, the third fixture block 19 is connected by connecting spring 18 with the slot bottom of the second groove 17, institute
It states and is provided with first sliding groove 22 on the outside of probe tube 3, the second sliding block 23 is slidably connected in the first sliding groove 22, described second is sliding
Block 23 is connect by connecting line 21 with the third fixture block 19；Described second female interconnecting piece includes the second card slot 15 and third card slot
20,3 other end middle position of probe tube is provided with the second card slot 15 with the cooperation clamping of the second fixture block 16, second card
Two sides are provided with the third card slot 20 with the cooperation clamping of third fixture block 19 in slot 15, are separately needing to be incorporated into probe tube 3
Get up, the second of a probe tube 3 the sub- interconnecting piece is inserted on second female interconnecting piece of another probe tube 3, two are taken
Sample pipe 3 connects, and the second fixture block 16 sticks into the second card slot 15, and third fixture block 19 sticks into third card slot 20, so that
Two clampings of probe tube 3 are got up, and are if desired replaced probe tube 3, are stirred the second sliding block 23 being slidably connected in first sliding groove 22, make
It obtains the second sliding block 23 to move in the second groove 17 by the third fixture block 19 that connecting line 21 connects, be detached from convenient for third fixture block 19
In third card slot 20, at this moment the probe tube 3 that two are connected can be separated.
Quickly the second sub- interconnecting piece and second female interconnecting piece are connected for the ease of people, the shape of the third fixture block 19
Shape is triangle, and wherein hypotenuse is arranged far from the second sliding block 23；Or the shape of the third fixture block 19 is four points
One of circle, wherein the arc-shaped edges of a quarter circle are arranged far from the second sliding block 23, and third fixture block 19 is quickly inserted
Enter into third card slot 20.
Sand particle for the ease of sampler sampling can be sealed, and 24 side of the second sample tap is provided with sampling
Door 25, described second sample tap, 24 the upper side and lower side is provided with second sliding slot 26, slidably connects in the second sliding slot 26
The second sliding block 27 being fixedly connected with sampling gate 25 is stirred sampling gate 25 and is slided toward 24 direction of the second sample tap, such sampling gate
25 can be sealed the second sample tap 24, so that the sand particle in probe tube 3 is not easy to fall, while can be convenient detection people
The subsequent having time of member is detected, it is not necessary that the sand particle come out to sampling is had detected as early as possible.
For the ease of detachable between connecting tube 28 and sampling sleeve 5, for the ease of sampling sleeve 5 and sampling sleeve 5 it
Between it is detachable, the connecting tube 28, the upper end for sampling sleeve 5 offer the first sub- interconnecting piece 11,5 lower end of sampling sleeve
First female interconnecting piece 12 being cooperatively connected with the first sub- interconnecting piece 11 is offered with 6 lower end of link block.The first son connection
Portion 11 is internal screw thread, and described first female interconnecting piece 12 is external screw thread；Or the first sub- interconnecting piece 11 is external screw thread, described the
One female interconnecting piece 12 is internal screw thread.
In order to which each probe tube 2 to be marked, tag board, the label are provided on the outside of each probe tube 2
It is provided with label groove, label on the tag board on the probe tube 2 in plate, or is inserted with label in label groove,
Slotting label is the sand particle for the ease of distinguishing different location after sampler samples, and has been more convenient sampling.
Multiple probe tubes 2 are connected in turn, sequentially connected probe tubes 2 multiple in this way constitute sampling homogeneous tube 3, then
Sampling 3 one end of homogeneous tube is connected into pressing piece 4, multiple sampling sleeves 5 are connected in turn, sequentially connected samplings multiple in this way
Sleeve 5, which is constituted, samples whole cylinder, then samples whole cylinder one end by connecting tube 28 and connects sampling head 1, samples whole cylinder other end connection
The sampling homogeneous tube 3 for connecting pressing piece 4 is inserted into the whole cylinder of sampling by link block 6, so that sampling homogeneous tube 3 is not connected pressing piece 4
One end close to connecting tube 28, when needing using sampler, first sampler is inserted into sand granulation mass, is then pressed
Pressing piece 4, so that the second sample tap 24 is overlapped with the first sample tap 10, the sand particle in such sampler external world enters sampling
In homogeneous tube 3, after sampling is good, sampler is taken out, is taken out homogeneous tube 3 is sampled in sampler, then will successively slide sampling
Door 25 is kept well sand is granule sealed, is carried out after sand samples and be sealed against in sand granulation mass, will taking with sampling sand
Probe tube 2 on sample homogeneous tube 3 takes back laboratory, then can examine in the lab to the sampled sand particle being sealed
It surveys, a period of time can also be waited to carry out test experience again；To occur wearing when perhaps deformation occurs wearing in sampler or
Replacement is changed in the place of deformation, when needing with changing probe tube 2, slides the second sliding block 23 being slidably connected in first sliding groove 22,
So that the second sliding block 23 is moved in the second groove 17 by the third fixture block 19 that connecting line 21 connects, it is de- convenient for third fixture block 19
From in third card slot 20, at this moment the probe tube 3 that two are connected can be separated.
It should be understood by those ordinary skilled in the art that: the discussion of any of the above embodiment is exemplary only, not
It is intended to imply that the scope of the present disclosure (including claim) is limited to these examples；Under the thinking of the utility model, the above reality
Applying can also be combined between the technical characteristic in example or different embodiments, and step can be realized with random order, and be deposited
In many other variations of the different aspect of the utility model as described above, for simplicity, they are not provided in details.
In the case where elaborating detail to describe the exemplary embodiment of the utility model, to those skilled in the art
It is readily apparent that can without these specific details or the case where these details change for member
Lower implementation the utility model.Therefore, these descriptions should be considered as illustrative rather than restrictive.
Although having been incorporated with specific embodiment of the utility model the utility model is described, before
The description in face, many replacements of these embodiments, modifications and variations will be apparent for those of ordinary skills
's.
The embodiments of the present invention are intended to cover fall into all such within the broad range of appended claims
Replacement, modifications and variations.Therefore, within the spirit and principle of the utility model, any omission for being made, modification, equivalent
Replacement, improvement etc., should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of solid particle sealed sampling device, which is characterized in that including sampling head (1), sampling homogeneous tube (3), pressing piece
(4), sampling whole cylinder, link block (6) and connecting tube (28), the sampling homogeneous tube (3) includes multiple sequentially connected probe tubes
(2), sampling cavity is provided in each probe tube (2), the whole cylinder of sampling includes multiple sequentially connected sampling sleeves
(5), multiple probe tubes (2) and multiple sampling sleeves (5) are coaxially disposed, right outside each probe tube (2)
It should be arranged with the sampling sleeve (5), sampling homogeneous tube (3) inner wall is provided with the first card slot (13), outside the whole cylinder of sampling
Wall is correspondingly arranged on the first fixture block (14) with first card slot (13) clamping, the sampling homogeneous tube (3) and the whole cylinder energy of sampling
Enough to slide up and down relatively, the sampling head (1) is connected by connecting tube (28) with described whole cylinder one end of sampling, and the sampling is whole
The cylinder other end is connect with link block (6), and it is recessed to be provided with first on the end face connecting on the connecting tube (28) with the whole cylinder of sampling
Slot (7), the interior bottom of first groove (7) are fixedly connected with elastomeric spring (8), are connected with and are run through on the sampling homogeneous tube (3)
The pressing piece (4) of link block (6) setting, each probe tube (2) outside is provided with the second sample tap (24), each described
The first sample tap (10) to match with the second sample tap (24) is provided on the outside of sampling sleeve (5).
2. a kind of solid particle sealed sampling device according to claim 1, which is characterized in that the probe tube and described take
It is connected between sample pipe by second connecting portion, is connected between the probe tube and pressing piece (4) also by second connecting portion, it is described
Second connecting portion includes the second sub- interconnecting piece and second female interconnecting piece, and described probe tube one end and pressing piece (4) lower end are provided with
Second sub- interconnecting piece, the probe tube other end are provided with second female interconnecting piece being cooperatively connected with the second sub- interconnecting piece.
3. a kind of solid particle sealed sampling device according to claim 2, which is characterized in that the second sub- interconnecting piece
Including the second fixture block (16), the second groove (17), connecting spring (18), third fixture block (19), connecting line (21), first sliding groove
(22) and the second sliding block (23), described probe tube one end middle position are provided with second fixture block (16), second fixture block
(16) two sides offer the second groove (17), are provided with third fixture block (19) in second groove (17), the third card
Block (19) is connected by connecting spring (18) with the slot bottom of the second groove (17), is provided with first sliding groove on the outside of the probe tube
(22), it is slidably connected the second sliding block (23) in the first sliding groove (22), second sliding block (23) passes through connecting line (21)
It is connect with the third fixture block (19)；Described second female interconnecting piece includes the second card slot (15) and third card slot (20), described to take
Sample pipe other end middle position is provided with the second card slot (15) with the second fixture block (16) cooperation clamping, second card slot (15)
Interior two sides are provided with the third card slot (20) with third fixture block (19) cooperation clamping.
4. a kind of solid particle sealed sampling device according to claim 3, which is characterized in that the third fixture block (19)
Shape be triangle, wherein hypotenuse far from the second sliding block (23) be arranged.
5. a kind of solid particle sealed sampling device according to claim 3, which is characterized in that the third fixture block (19)
Shape be that a quarter is round, wherein the arc-shaped edges of a quarter circle are far from the second sliding block (23) setting.
6. a kind of solid particle sealed sampling device according to claim 1, which is characterized in that second sample tap
(24) side is provided with sampling gate (25), and described second sample tap (24) the upper side and lower side is provided with second sliding slot (26), institute
It states in second sliding slot (26) and slidably connects the second sliding block being fixedly connected with sampling gate (25).
7. a kind of solid particle sealed sampling device according to claim 1, which is characterized in that the connecting tube (28),
The upper end of sampling sleeve (5) offers the first sub- interconnecting piece (11), the sampling sleeve (5) lower end and link block (6) lower end
Offer first female interconnecting piece (12) being cooperatively connected with the first sub- interconnecting piece (11).
8. a kind of solid particle sealed sampling device according to claim 7, which is characterized in that the first sub- interconnecting piece
It (11) is internal screw thread, described first female interconnecting piece (12) is external screw thread；Or the first sub- interconnecting piece (11) is external screw thread, institute
Stating first female interconnecting piece (12) is internal screw thread.
9. a kind of solid particle sealed sampling device according to claim 1, which is characterized in that the elastomeric spring (8)
The other end is connected with elastic cushion (9).
10. a kind of solid particle sealed sampling device according to claim 1, which is characterized in that each probe tube
(2) outside is provided with tag board, and label groove is provided in the tag board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920077341.7U CN209673424U (en) | 2019-01-17 | 2019-01-17 | A kind of solid particle sealed sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920077341.7U CN209673424U (en) | 2019-01-17 | 2019-01-17 | A kind of solid particle sealed sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209673424U true CN209673424U (en) | 2019-11-22 |
Family
ID=68566071
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920077341.7U Expired - Fee Related CN209673424U (en) | 2019-01-17 | 2019-01-17 | A kind of solid particle sealed sampling device |
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| Country | Link |
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| CN (1) | CN209673424U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111006900A (en) * | 2019-12-25 | 2020-04-14 | 重庆大学 | Drilling and fixed-point sampling device for coal seam gas content testing and coal seam sampling method |
| CN111220351A (en) * | 2020-01-15 | 2020-06-02 | 河北工业大学 | Sampling device for researching movement locus of particles |
| CN112903350A (en) * | 2021-01-29 | 2021-06-04 | 河北科技大学 | Layering sampling device for liquid chemical reagent component analysis |
-
2019
- 2019-01-17 CN CN201920077341.7U patent/CN209673424U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111006900A (en) * | 2019-12-25 | 2020-04-14 | 重庆大学 | Drilling and fixed-point sampling device for coal seam gas content testing and coal seam sampling method |
| CN111006900B (en) * | 2019-12-25 | 2022-05-10 | 重庆大学 | Drilling and fixed-point sampling device for coal seam gas content testing and coal seam sampling method |
| CN111220351A (en) * | 2020-01-15 | 2020-06-02 | 河北工业大学 | Sampling device for researching movement locus of particles |
| CN112903350A (en) * | 2021-01-29 | 2021-06-04 | 河北科技大学 | Layering sampling device for liquid chemical reagent component analysis |
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