CN206906047U - Synovial membrane line cuts formula weak soil soil sampler - Google Patents
Synovial membrane line cuts formula weak soil soil sampler Download PDFInfo
- Publication number
- CN206906047U CN206906047U CN201720115649.7U CN201720115649U CN206906047U CN 206906047 U CN206906047 U CN 206906047U CN 201720115649 U CN201720115649 U CN 201720115649U CN 206906047 U CN206906047 U CN 206906047U
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- Prior art keywords
- soil
- shoe
- cavity
- back seat
- probe tube
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- 239000002689 soil Substances 0.000 title claims abstract description 154
- 210000001258 synovial membrane Anatomy 0.000 title claims abstract description 21
- 239000000523 sample Substances 0.000 claims abstract description 110
- 238000005070 sampling Methods 0.000 claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 23
- 239000010959 steel Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims description 5
- 238000005553 drilling Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000010408 film Substances 0.000 description 35
- 238000010586 diagram Methods 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- 238000005527 soil sampling Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000008034 disappearance Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012946 outsourcing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229910052571 earthenware Inorganic materials 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012913 prioritisation Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229940099259 vaseline Drugs 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
Synovial membrane line cuts formula weak soil soil sampler, and probe tube is fixed on the lower section of back seat；The probe tube lower end is fixed with shoe；The piston for being used for releasing soil sample is provided with the probe tube, it is characterised in that：There is shoe cavity the shoe upper end, preset film, snap ring and cut ring in the shoe cavity；The back seat has back seat cavity, has gas valve and steel wire distributor in the back seat cavity；Four passages are symmetrically distributed in the tube wall of the probe tube, passage connects the back seat cavity and shoe cavity；Wire is provided with one of passage, the upper end of the wire is fixed on steel wire distributor；The probe tube forms inseam with shoe junction in inwall；The film both ends connect cut ring and piston respectively.The utility model reduces sampling side friction and end resistance, reduces sampling disturbance, improves sampling quality and sample rate, suitable for sampling and drill hole sampling manually.
Description
Technical field
It the utility model is related to ground geologic prospect and soil mechanics indoor model test field, and in particular to take for weak soil
A kind of synovial membrane line of native technology cuts formula weak soil soil sampler.
Background technology
In the Geotechnical Engineering inspection of the scene of a crime and soil mechanics indoor model test, it is required to obtain undisturbed soil in the different stages
Sample carries out indoor test, to study foundation soil correlation properties.Weak soil is one kind soil often faced in Geotechnical Engineering, due to aqueous
Rate is high, and void ratio is big, compressibility is high, shearing strength is low, and is in liquid-plastic state more, it is difficult to obtain undisturbed undisturbed soil sample.
The mode that fetches earth and the equipment that fetches earth directly determine the level of disruption and soil sampling mass of sampling, are the keys one of Soil's properties tests analysis
Ring.
When being fetched earth using soil sampler, first by soil sampler device press-in soil, soil sampler is extracted afterwards, and will enter the pipe that fetches earth
In undisturbed soil take ground out of.Sampling process makes the soil sample entered in the pipe that fetches earth and subsoil point by the mode for pulling off or twisting off more
From；During soil sampler is extracted into ground, there is pull of vacuum and hinder soil sampler to move up in bottom, therefore, soil sampler bottom position
Soil sample is put to disturb larger and easily come off.Fetch earth and finish, when soil sample inside soil sampler is removed into progress subsequent treatment, due to weak soil
Sticky content is big, is usually attached to soil sampler inwall, no matter is taken by the way of piston releases soil sample or using directly opening
The mode of native pipe, all because soil sample and inwall presence friction are viscid soil sample can be made to have larger Secondary Disturbance, and reduce and take
Sample rate.
The content of the invention
One kind is provided to solve technical problem, the utility model such as disturbance present in weak soil sampling is big, sampling rate is low
Synovial membrane line cuts formula weak soil soil sampler device, isolates to reduce side friction soil sample with sampling inside pipe wall using film, uses steel
Silk thread, which cuts subsoil and ventilated in upper pull out, decreases or even eliminates end resistance, can be substantially reduced disturbance of fetching earth, improve sampling
Rate.
To achieve the above object, the utility model uses following technical scheme：
A kind of synovial membrane line cuts formula weak soil soil sampler, and probe tube is fixed on the lower section of back seat；The probe tube lower end is fixed with pipe
Boots；The piston for being used for releasing soil sample is provided with the probe tube, it is characterised in that：There is shoe cavity the shoe upper end, the shoe
Preset film, snap ring and cut ring in cavity；The back seat has back seat cavity, has gas valve and steel wire to receive in the back seat cavity
Put device；Four passages have been symmetrically distributed in the tube wall of the probe tube, have connected the back seat cavity and shoe cavity；Wherein
Wire is provided with one passage, the upper end of the wire is fixed on steel wire distributor；The probe tube is connected with shoe
It is in inwall and forms inseam；The film both ends connect cut ring and piston respectively.
In other words, synovial membrane line of the present utility model cuts formula weak soil soil sampler, including shoe, probe tube, back seat, piston, takes
Sample pipe is symmetrically distributed with four passages, and first and last end is connected with shoe, back seat respectively；Before fetching earth, the shoe cavity of shoe rear end
Interior preset film, cut ring and snap ring.During sampling, piston is promoted by soil sample and takes film out of shoe cavity, and piston handle reaches
After limit bolt, cut ring is carried over shoe cavity just；Wire is tightened up using steel wire distributor, cut ring is contracted to disappearance
Afterwards, soil sample is cut off, and realizes the separation with subsoil；During upper earth extracting device, it is true at cutting section to eliminate to open gas valve
Empty resistance；When soil sample being released into probe tube using piston, film can reduce soil sample and be disturbed with fetching earth caused by the friction of inside pipe wall
It is dynamic.
The utility model has following prioritization scheme：
The piston handle of the piston is provided with one-way vent valve；
The piston handle upper end of the piston is fixed with guide rod；The guide rod upper end is provided with two outside projections, and this two
Individual projection is corresponding with the limit bolt on back seat；Limit bolt and the outwardly protruding setting in guide rod upper end two so that institute
State piston and reach and fetch earth after the limit, piston handle is limited latch constraint just and relative soil sampler main body is fixed.
The film is cylindrical shape, and for the flexible material that ductility is smaller, intensity is higher, shoe cavity is placed in after folding
Interior, one end is connected after passing shoe and the inseam of probe tube junction with piston, and the other end is connected with cut ring, in sampling process
Film can isolate soil sample with sampling inside pipe wall.Before sampling, sampling inside pipe wall smear lubrication silicone grease with reduce film with
The friction of inwall, film and soil are relatively motionless when soil sampler is pressed into soil, and film slides with respect to soil sampler inwall, and piston reaches
Fetch earth after extreme position, piston handle is limited latch constraint just and relative soil sampler main body is fixed, and film does not occur with soil sampler
It is relative to slide, and exist between film and soil sample and preferably seize power on both sides by the arms.
The cut ring is the closed loop formed by steel wire thread end through snap ring；The wire is high-strength, ductile metal
Silk, a diameter of 0.3mm ~ 0.8mm, the one of passage being placed through in probe tube are connected with cut ring；The snap ring is
Hollow out is spherical, and after shoe is connected with probe tube, snap ring is limited to the activity of shoe cavity inside, but by inseam and can not lead to all the time
Stomata.
The piston can collect the air for meeting native face, be discharged by the one-way vent valve on guide rod, described unidirectional logical
Air valve allows the air between piston and soil sample to discharge, and will not reverse air inlet.
The steel wire distributor realizes line concentrating function in back seat cavity, and controls the folding and unfolding of wire, using universal soft
Axle controls steel wire distributor, connects gas valve and back seat cavity using tracheae, back seat can be connected with drilling rod, can be used for not
With the boring extracting soil of depth.Device of the present invention is simultaneously suitable for sampling and drill hole sampling manually.
The sampling length of tube is 300mm ~ 500mm, and internal diameter is 80mm ~ 120mm, and body thickness is 2.0mm ~ 5.0mm, is led to
Stomata internal diameter 1.5mm ~ 2.5mm；The shoe length 100mm ~ 200mm, cutting shoe are less than 10 °.
The method of work step of the utility model soil sampler is as follows：
(1) smears lubrication silicone grease to reduce the friction of film and inwall in sampling inside pipe wall；And back seat is connected with probe tube
In place；
(2), which adjusts steel wire distributor, makes the suitable length of the wire for passing passage, and wire bottom passes through snap ring shape
Into cut ring, cut ring is set to be put in shoe cavity inside after adjustment；
(3) cylindrical thin-film bottom is connected by with cut ring, is placed in after film is folded in shoe cavity, by the film
The other end is connected through inseam with piston；
Shoe is connected in place with probe tube, and closes gas valve；
(4) puts soil sampler to sampled point, rapidly, continuously, is equably pressed into soil sampler in soil by back seat applying power；
Compression distance is the length sum of shoe and probe tube；
(5) after soil samples enter shoe, the air in shoe space can be compressed, and gas is arranged through the one-way vent valve on guide rod
Go out；
(6) soil samples enter cavity and the piston contact of probe tube and are moved rearwards, and the film that one end is connected with piston is by band
Go out shoe cavity, soil sample and the inwall for the pipe that fetches earth are separated, until piston handle moves to the position of limit bolt and fixed；
(7) films are all carried over shoe cavity, and the cut ring positioned at film end is carried over shoe cavity just；
(8) uses Universal flexible shaft control steel wire distributor；Wire is tightened up, after cut ring is contracted to disappearance, soil sample is cut
It is disconnected, realize the separation with subsoil；
(9) opens gas valve, and Dutch is arrived after bypassing air through tracheae, back seat cavity, passage, shoe cavity and inseam
Native section, eliminate the vacuum resistance at cutting section；
(10) is slow, evenly extracts soil sampler, while takes soil sample out of；
(11) separates shoe with probe tube, and releases limitation of the limit bolt to piston handle, using piston by soil sample and thin
Film slowly releases probe tube, and the presence of film can reduce soil sample and the soil sample caused by the friction of inside pipe wall that fetches earth disturbs；
(12) is cleaned and is arranged soil sampler, again sampling repeat (1) ~ (11).
Compared with prior art, have the advantage that includes the utility model with beneficial effect：By built in shoe cavity
Film and cut ring, it is possible to achieve soil sample is with sampling isolating for inside pipe wall during soil sampler pushes, after fetching earth in place, by
Steel wire distributor and snap ring, by steel wire linear shrinkage and soil sample is cut, realization separates with subsoil.During being carried on soil sampler, beat
Vacuum resistance at cutting section can be eliminated by opening air valve, be limited the piston and film and soil sample inwall of pin fixation
Power is seized on both sides by the arms to supply soil sample the power moved up.It is largely less by soil meanwhile film isolates soil sample with sampling inside pipe wall
Sample releases the disturbance of soil sampler.Therefore, a kind of synovial membrane line described in the utility model cuts formula weak soil soil sampler, reduces side of burying and rubs
Resistance and end resistance when above carrying, and reduce the side friction that soil sample is released to soil sampler, so as to reduce sampling disturbance, carry
High sampling quality and sample rate；Meanwhile the utility model both can be with the live superficial layer of manually operated acquisition and indoor weak soil mould
Type sample, can also be connected to drilling rod bottom, take original-pack weak soil sample in the borehole.
Brief description of the drawings
Fig. 1 is that the utility model synovial membrane line cuts formula weak soil soil sampler device integrally positive cross section structure diagram；
Fig. 2 is that the utility model synovial membrane line cuts formula weak soil soil sampler device probe tube and back seat linkage segment structure detail drawing；
Fig. 3 is that the utility model synovial membrane line cuts formula weak soil soil sampler device probe tube and shoe linkage segment structure detail drawing；
Fig. 4 is Fig. 1 A-A sectional views；
Fig. 5 is Fig. 1 B-B sectional views；
Fig. 6 is cutting ring cutting soil schematic diagram during being fetched earth using the utility model device.
In figure：1st, shoe, 2, probe tube, 3, back seat, 4, piston, 5, shoe cavity, 6, inseam, 7, film, 8, wire,
9th, cut ring, 10, snap ring, 11, passage, 12, back seat cavity, 13, steel wire distributor, 14, Universal flexible shaft, 15, tracheae, 16,
Gas valve, 17, one-way vent valve, 18, piston handle, 19, limit bolt, 20, guide rod.
Embodiment
Embodiment 1, synovial membrane line cut formula weak soil soil sampler device and its method of work, as shown in figure 1, the weak soil of the present invention takes
Earthenware includes 4 four shoe 1, probe tube 2, back seat 3 and piston major parts, preset film 7 in shoe cavity 5, cut ring 9 and
It snap ring 10, can realize that soil sample separates with the cutting of subsoil together with steel wire distributor 13, passage 11 and gas valve 16, and subtract
Few soil sample and the friction of the inwall of probe tube 2, so as to reduce soil sample disturbance, improve soil sampling mass and sample rate.Embodiment
It is as follows：
1）Before sampling, the inwall of probe tube 2 is first smeared into vaseline or lubrication silicone grease, back seat 3 and probe tube 2 are connected to
Position, and adjusting steel wire distributor 13 makes the wire 8 for passing passage 11 have suitable length；The bottom of wire 8 passes through snap ring
10 form cut ring 9, cut ring 9 is put in inside shoe cavity 5 after adjustment；Cut ring 9 is connected with the bottom of film 7, will
Film 7 is placed in shoe cavity 5 after folding, and the other end of film 7 is connected after passing through inseam 6 with piston 4, finally by shoe 1
It is connected in place with probe tube 2, is closed gas valve 16.During live boring extracting soil, it is also necessary to by soil sampler back seat 3
It is connected with drilling rod, and steel wire distributor 13 is connected using the export-oriented flexible axle 14 of appropriate length according to the depth that fetches earth, using suitable
The tracheae 15 of length connects back seat cavity 12 and gas valve 16.
2）Soil sampler is put to sampled point, rapidly, continuously, is equably pressed into soil sampler in soil by the applying power of back seat 3,
Compression distance is the length sum of shoe 1 and probe tube 2.After soil sample enters shoe 1, the air in shoe space, gas can be compressed
Body is discharged through the one-way vent valve 17 on guide rod 20；The cavity that soil sample enters probe tube 2 is contacted and is moved rearwards with piston 4,
The film 7 that one end is connected with piston 4 is carried over shoe cavity 5, and soil sample and the inwall for the pipe 2 that fetches earth are separated, until piston handle 18
Move to the position of limit bolt 19 and fixed, film 7 is all carried over shoe cavity 5, the cut ring positioned at the end of film 7
9 are carried over shoe cavity 5 just.
3）After soil sampler is pressed into soil in place, cut ring 9 is located exactly at the inseam 6 that probe tube 2 connects with shoe 1, and
Enclosed around soil sample one, snap ring 10 is limited in shoe cavity 5 as the end of cut ring 9.Fig. 6 is that apparatus of the present invention fetched earth
Ring cutting soil schematic diagram is cut in journey, steel wire distributor 13 is acted on using Universal flexible shaft 14, cut ring 9 is shunk by wire 8,
The end that snap ring 10 turns into wire 8 is fixed, and annulus girth reduces and cuts soil sample, at the end of the take-up of steel wire distributor 13, cuts
Cut ring 9 to disappear, complete cutting subsoil, the soil sample at inseam 6 separates with subsoil.
4）, it is necessary to open gas valve 16 before soil sampler and taken weak soil are integrally taken out into ground, make extraneous air can
To ventilate into section to cutting institute by tracheae 15, passage 11 and inseam 6, avoid forming vacuum during soil sampler above carries
End resistance and reduce the rate of fetching earth even disturbed sample.Now, piston 4 is fixed with respect to soil sampler main body, the outsourcing soil sample of film 7
And 2 whole inwall of probe tube is attached to, the film 7 that ductility is small and upper end is fixed by piston 4 can supply soil sample to be carried upper
Power is seized on both sides by the arms in journey, and 4 top one-way vent valve of piston 17 allows inner air excessive, it is impossible to reverse ventilation, on soil sampler
During carrying, positive suction is provided for soil sample.Carried on soil sampler it is appropriate to the occasion slowly, uniformly, when gas valve 16 enters short breath
Preferably slow down.
5）Sampling terminates, and before soil sample is removed into soil sampler, shoe 1 is separated with probe tube 2, releases limit bolt 19 to work
The limitation of handle 18 is filled in, uniform thrust is slowly applied to guide rod 20, soil sample is released into probe tube 2.Have between soil sample and probe tube 2
Film 7 is isolated, and the inwall of probe tube 2 is lubricated in advance, therefore, when soil sample is released into probe tube 2, is rubbed suffered by soil sample side wall
Resistance very little, Secondary Disturbance caused by soil sample can be ignored.Meanwhile soil sample outsourcing film 7 helps to reduce soil sample water
It is scattered to lose, it can preferably protect undisturbed.
Clean and arrange soil sampler, sampling again repeats 1）~5）.A kind of synovial membrane line of the present invention cuts formula weak soil
Soil sampler device reduces sampling side friction and end resistance, so as to down-sample disturbance, improves sampling quality and sample rate,
And it is applied to sampling and drill hole sampling manually simultaneously.
Claims (8)
1. a kind of synovial membrane line cuts formula weak soil soil sampler, probe tube is fixed on the lower section of back seat；The probe tube lower end is fixed with shoe；
The piston for being used for releasing soil sample is provided with the probe tube, it is characterised in that：There is shoe cavity the shoe upper end, the shoe cavity
Interior preset film, snap ring and cut ring；The back seat has back seat cavity, has gas valve and steel wire folding and unfolding in the back seat cavity
Device；Four passages are symmetrically distributed in the tube wall of the probe tube, the passage connects the back seat cavity and shoe
Cavity；Wire is provided with one of passage, the upper end of the wire is fixed on steel wire distributor；The probe tube with
Shoe junction forms inseam in inwall；The film both ends connect cut ring and piston respectively.
2. synovial membrane line according to claim 1 cuts formula weak soil soil sampler, it is characterised in that：Set on the piston handle of the piston
There is one-way vent valve.
3. synovial membrane line according to claim 1 cuts formula weak soil soil sampler, it is characterised in that：The piston handle upper end of the piston
It is fixed with guide rod；The guide rod upper end is provided with two outside projections, and two projections are relative with the limit bolt on back seat
Should.
4. synovial membrane line according to claim 1 cuts formula weak soil soil sampler, it is characterised in that：The film is cylindrical shape, is rolled over
Poststack is placed in shoe cavity, and one end is connected after passing shoe and the inseam of probe tube junction with piston, the other end and cutting
Ring connects, and film can isolate soil sample with sampling inside pipe wall in sampling process.
5. synovial membrane line according to claim 1 cuts formula weak soil soil sampler, it is characterised in that：The cut ring is by wire
End passes through the closed loop that snap ring is formed；The wire is high-strength, ductile metal silk, a diameter of 0.3mm ~ 0.8mm, is placed through
One of passage in probe tube is connected with cut ring；The snap ring is that hollow out is spherical, after shoe is connected with probe tube, card
Ring is limited to the activity of shoe cavity inside, but can not pass through inseam and passage all the time.
6. synovial membrane line according to claim 1 cuts formula weak soil soil sampler, it is characterised in that：The piston is collected and meets native face
Air, to be discharged by the one-way vent valve on guide rod, the one-way vent valve allows the air between piston and soil sample to discharge,
And will not reverse air inlet.
7. synovial membrane line according to claim 1 cuts formula weak soil soil sampler, it is characterised in that：The steel wire distributor is in back seat
Line concentrating function is realized in cavity, and controls the folding and unfolding of wire, steel wire distributor is controlled using Universal flexible shaft, is connected using tracheae
Gas valve and back seat cavity, back seat are connected with drilling rod.
8. the synovial membrane line according to one of claim 1-7 cuts formula weak soil soil sampler, it is characterised in that：The sampling length of tube
For 300mm ~ 500mm, internal diameter is 80mm ~ 120mm, and body thickness is 2.0mm ~ 5.0mm, passage internal diameter 1.5mm ~ 2.5mm；Institute
Shoe length 100mm ~ 200mm is stated, cutting shoe is less than 10 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720115649.7U CN206906047U (en) | 2017-02-08 | 2017-02-08 | Synovial membrane line cuts formula weak soil soil sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720115649.7U CN206906047U (en) | 2017-02-08 | 2017-02-08 | Synovial membrane line cuts formula weak soil soil sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206906047U true CN206906047U (en) | 2018-01-19 |
Family
ID=61294330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720115649.7U Active CN206906047U (en) | 2017-02-08 | 2017-02-08 | Synovial membrane line cuts formula weak soil soil sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206906047U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596179A (en) * | 2017-02-08 | 2017-04-26 | 水利部交通运输部国家能源局南京水利科学研究院 | Slipping film and linear cutting type soft soil geotome and operating method thereof |
| CN108709767A (en) * | 2018-07-26 | 2018-10-26 | 中国电建集团成都勘测设计研究院有限公司 | Soil sampler |
| CN109655308A (en) * | 2019-01-31 | 2019-04-19 | 中国地质大学（武汉） | A kind of Portable detachable opening soil sampler suitable for sludge soft |
| CN113252383A (en) * | 2021-05-17 | 2021-08-13 | 昆明理工大学 | Original state appearance normal position is taken a sample fast, is packaged, is cut all-in-one |
| CN114323765A (en) * | 2022-01-11 | 2022-04-12 | 北京中兴恒工程咨询有限公司 | Soil analysis sampling device |
-
2017
- 2017-02-08 CN CN201720115649.7U patent/CN206906047U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596179A (en) * | 2017-02-08 | 2017-04-26 | 水利部交通运输部国家能源局南京水利科学研究院 | Slipping film and linear cutting type soft soil geotome and operating method thereof |
| CN108709767A (en) * | 2018-07-26 | 2018-10-26 | 中国电建集团成都勘测设计研究院有限公司 | Soil sampler |
| CN108709767B (en) * | 2018-07-26 | 2023-12-01 | 中国电建集团成都勘测设计研究院有限公司 | Soil sampler |
| CN109655308A (en) * | 2019-01-31 | 2019-04-19 | 中国地质大学（武汉） | A kind of Portable detachable opening soil sampler suitable for sludge soft |
| CN109655308B (en) * | 2019-01-31 | 2024-01-30 | 中国地质大学（武汉） | Portable detachable open soil sampler suitable for silt weak soil |
| CN113252383A (en) * | 2021-05-17 | 2021-08-13 | 昆明理工大学 | Original state appearance normal position is taken a sample fast, is packaged, is cut all-in-one |
| CN113252383B (en) * | 2021-05-17 | 2022-11-15 | 昆明理工大学 | Original state appearance normal position is taken a sample fast, is encapsulated, is cut all-in-one |
| CN114323765A (en) * | 2022-01-11 | 2022-04-12 | 北京中兴恒工程咨询有限公司 | Soil analysis sampling device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231206 Address after: 210029 No. 223, Guangzhou Road, Gulou District, Jiangsu, Nanjing Patentee after: NANJING HYDRAULIC Research Institute Patentee after: CHINA COMMUNICATION CONSTRUCTION COMPANY FIRST HARBOUR CONSULTANTS Co.,Ltd. Address before: 210029 No. 223, Guangzhou Road, Nanjing, Jiangsu Patentee before: NANJING HYDRAULIC Research Institute |