CN203981430U - Exploration sand extractor - Google Patents
Exploration sand extractor Download PDFInfo
- Publication number
- CN203981430U CN203981430U CN201420365659.2U CN201420365659U CN203981430U CN 203981430 U CN203981430 U CN 203981430U CN 201420365659 U CN201420365659 U CN 201420365659U CN 203981430 U CN203981430 U CN 203981430U
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- China
- Prior art keywords
- sand
- head body
- core
- tube
- outer tube
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- Expired - Fee Related
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- 239000004576 sand Substances 0.000 title claims abstract description 123
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 239000011435 rock Substances 0.000 claims abstract description 8
- 238000005553 drilling Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 5
- 238000000605 extraction Methods 0.000 abstract description 3
- 239000002689 soil Substances 0.000 description 10
- 229910052571 earthenware Inorganic materials 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000011835 investigation Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
A kind of exploration sand extractor, comprise core inner tube, get sand head body, core outer tube, drill bit, tube sealing blade and sand sample pipe, getting sand head body hollow lower end forms into sand port, core outer tube can be sheathed on core inner tube periphery rotationally, drill bit lower end has blade part and is located at rock core outer tube lower end and can rotates with the rotation of rock core outer tube, the blade part of drill bit is stretched out in the lower end of getting sand head body, and tube sealing blade can be located to unidirectional folding the inwall of getting sand head body.Tube sealing blade has been avoided, compared with the loss of fine sand sample, successfully taking comparatively loose sand sample to greatest extent; Sand sample pipe be convenient to overall sand sample extraction, deposit and transport, improve the original position of sand sample, make data results there is good accuracy; Single action double pipe structure can reduce the disturbance of drilling process to sand sample, ensures the original position of sand sample; By controlling the length of core inner tube and core outer tube, be conducive to increase single and get core length, improve and get core efficiency.
Description
Technical field
The utility model relates to geotechnical investigation field, specifically, relates to a kind of exploration sand extractor or soil sample barrel that is applicable to loosening sand layer.
Background technology
Along with the development of national economic development, the field that geotechnical engineering investigation relates to is constantly expanded, and it is also more diversified and complicated that exploration discloses stratum.Meanwhile, engineering construction project, especially large project are more and more higher to the quality requirements of geotechnical engineering investigation.Although for different stratum, current have many different Special soil samplers, but sand extractor or soil sample barrel conventional in prospecting technology lack for the leak-proof device of taking loose sand sample or soil sample design, cause core-taking rate low and even cannot take core, have a strong impact on accuracy and the probing progress of prospecting quality and data results.
Granted publication number is Chinese utility model patent " the Portable deep soil sampler " (application number: 200920032425.5) disclosed a kind of structure of CN201373812Y, it comprises balancing weight, stores up earthenware and is arranged on described balancing weight the multiple connecting links between storage earthenware, the two ends up and down of storage earthenware are opened and xsect is rectangle, in the bottom interior wall of storage earthenware, symmetry has two mounting grooves, and being symmetrically installed with the upwards hinge of folding of two single files by mounting groove, the folding end of two hinges contacts at the middle part of storage earthenware; Owing to being provided with two upwards hinges of folding, the soil sample barrel of said structure has solved the problem of taking sand sample loose to a certain extent, has improved core-taking rate, but because its storage earthenware structure is single, has affected the original position of drilling depth and the sand sample of soil sample barrel.
In order to address the above problem, Granted publication number is Chinese invention patent " the double-tubes single-action valve type coring earth borrowing device " (application number: 200610024628.0) disclosed a kind of structure of CN10103785913B, this structure is turned round some basic structures that are pressed into soil sample barrel in having prior art, in it, outer tube is all made up of two sections, the upper end of inner tube is mainly the core barrel that can hold core, hypomere is the half-open bushing pipe that connection valve arrangement is equipped with lining, spring valve device is by valve base, spring plate-turning and active shoe composition, outer tube is also punished into two sections in inner tube segmentation, outer tube epimere is by outer tube joint, swing bearing connecting shaft, spring assembly and core barrel composition, outer tube joint is designed with the passage of irrigation fluid and the check ball valve of control connecting shaft passage and the drain hole vertical with joint connected with drilling rod, outer tube hypomere is made up of core barrel short circuit and alloy bit, although the soil sample barrel of said structure has improved core-taking rate and drilling depth to a certain extent, but because got sand sample is directly placed in inner tube, the omission that very easily scatters of loose sand sample, not only sand speed is got in impact, also affects the accuracy of data results owing to having destroyed the original position of sand sample, and the sampler structure complexity of said structure, produces comparatively trouble of assembling.
Therefore,, for current sand extractor or soil sample barrel, await doing further improvement.
Utility model content
Technical problem to be solved in the utility model is the present situation for prior art, provides a kind of and can stop to greatest extent the exploration sand extractor that enters the loose sand sample leakage in sand sample pipe.
Another technical matters to be solved in the utility model is the present situation for prior art, and a kind of exploration sand extractor of the original position that can effectively improve sand sample is provided.
Another technical matters to be solved in the utility model is the present situation for prior art, provide a kind of drill progress fast, get the exploration sand extractor that core efficiency is high.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of exploration sand extractor, is characterized in that this sand extractor comprises
Core inner tube;
Get sand head body, hollow lower end form into sand port;
Core outer tube, can be sheathed on aforementioned core inner tube periphery rotationally;
Drill bit, lower end has blade part and is located at aforementioned rock core outer tube lower end and can rotates with the rotation of rock core outer tube, and the blade part of drill bit is stretched out in aforementioned lower end of getting sand head body;
Tube sealing blade, can be located to unidirectional folding the aforementioned inwall of getting sand head body; And
Sand sample pipe, is located at inner tube of core barrel inwall and is positioned at and get sand head body top and can accept the sand that enters tube sealing blade.
Described tube sealing blade has multiple and for fan-shaped, each tube sealing blade agrees with mutually with the inwall of getting sand head body, and, adjacent airtight being integrated of tube sealing blade energy; Described tube sealing blade is preferably four, and being arranged on the inwall of getting sand head body of rotating by pin respectively.Adopt said structure, because tube sealing blade can agree with mutually with the inwall of getting sand head body, thus can be by tighter sand sample sealing up for safekeeping in sand sample pipe, stop to greatest extent the loose sand sample leakage having entered in sand sample pipe.
Described lower end of getting sand head body is exposed to the blade part 7～9cm of drill bit, is preferably 8cm, adopts this design, has both been convenient to gather sand sample, can reduce again the disturbance of drilling process to sand sample, ensures the original position of sand sample.
As preferably, described in get sand head body top periphery there is external thread, corresponding, described core inner tube bottom there is the internal thread matching with above-mentioned external thread interior week; Under assembling completion status, described in get sand head body and core inner tube periphery wall flush; The periphery on described drill bit top has external thread, corresponding, described core outer tube bottom there is the internal thread matching with above-mentioned external thread interior week.
Compared with prior art, the utility model has the advantage of: on the inwall of getting sand head body, be provided with the tube sealing blade that can prevent that sand sample from falling to omitting, avoided to greatest extent compared with the loss of fine sand sample, thereby successfully taked comparatively loose sand sample; Be provided with sand sample pipe on the top of getting sand head body, the existence of this sand sample pipe, be convenient to overall sand sample extraction, deposit and transport, can effectively improve the original position of sand sample, so that data results has good accuracy; Single action double pipe structure can reduce the disturbance of drilling process to sand sample, ensures the original position of sand sample, meanwhile, by controlling the length of core inner tube and core outer tube, can be conducive to increase single and get core length, improves and gets core efficiency.
Brief description of the drawings
Fig. 1 is structural representation when tube sealing blade is closed in the utility model embodiment;
Fig. 2 is structural representation when tube sealing blade is opened in the utility model embodiment;
Fig. 3 is the structural representation of getting sand head body in Fig. 1;
Fig. 4 is the cut-open view along A – A direction in Fig. 3;
Fig. 5 is the vertical view of tube sealing blade in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
As shown in Fig. 1～5, the exploration of the present embodiment comprises core inner tube 1 with sand extractor, get sand head body 2, core outer tube 3, drill bit 4, tube sealing blade 5 and sand sample pipe 6, get sand head body 2 inner hollow and form one in its lower end and enter sand port 21, core outer tube 3 is sheathed on core inner tube 1 periphery rotationally, the front end of drill bit 4 has blade part 41, drill bit 4 is located at rock core outer tube 3 lower ends and can be rotated with the rotation of rock core outer tube 3, the blade part 41 distance 7～9cm of drill bit 4 are stretched out in the lower end of getting sand head body 2, distance in the present embodiment is 8cm, adopt this design, both be convenient to gather sand sample, can reduce again the disturbance of drilling process to sand sample, ensure the original position of sand sample, tube sealing blade 5 can be located to unidirectional folding the inwall of getting sand head body 2, sand sample pipe 6 is located at inner tube of core barrel 1 inwall and is positioned at 2 body tops of sand extractor, sand sample pipe 6 can be accepted the sand that enters tube sealing blade 5, in the present embodiment, tube sealing blade 5 has multiple and is fan-shaped, each tube sealing blade 5 agrees with mutually with the inwall of getting sand head body 2, and, adjacent airtight being integrated of tube sealing blade 5 energy, tube sealing blade 5 is preferably the fan-shaped disc of four 1/4, and being arranged on the inwall of getting sand head body 2 of rotating by pin 10 respectively, because tube sealing blade 5 can agree with mutually with the inwall of getting sand head body 2, thereby can be by tighter sand sample sealing up for safekeeping in sand sample pipe 6, stop to greatest extent the loose sand sample leakage having entered in sand sample pipe 6, thereby successfully take comparatively loose sand sample, guarantee higher core-taking rate, the setting of sand sample pipe 6 be convenient to overall sand sample extraction, deposit and transport, can make sand sample there is good original position, so that data results has good accuracy, the periphery of getting sand head body 2 tops has external thread, corresponding, core inner tube 1 bottom there is the internal thread matching with above-mentioned external thread interior week, get sand head body 2 and be fastenedly connected by above-mentioned internal and external threads with core inner tube 1, the periphery on drill bit 4 tops has external thread, corresponding, core outer tube 3 bottoms there is the internal thread matching with above-mentioned external thread interior week, drill bit 4 is fastenedly connected by above-mentioned internal and external threads with core outer tube 3, under assembling completion status, get sand head body 2 and flush with the periphery wall of core inner tube 1.The core inner tube of the present embodiment and core outer tube customized lengths as required, be conducive to increase single and get core length, reduces and carry brill number of times, thereby improve drilling efficiency.
In the time that drilling process need to be got core, use the exploration sand extractor of the present embodiment, tube sealing blade 5 is in closure state, core outer tube 3 rotates with drill bit 4, utilize drill bit 4 cuttings to creep into, mud is by the gap undershoot between core inner tube 1 and core outer tube 3, to 4 cooling effects of drill bit, and core inner tube 1 with get sand head body 2 and do not rotate, along with the increase of drilling depth, entering the sand sample of getting in sand head body 2 backs down tube sealing blade 5 and enters in sand sample pipe 6, wait creep into certain depth need to carry bore time, tube sealing blade 5 moves downward and is closed under the Action of Gravity Field of self gravitation and sand sample pipe 6 interior sand samples, closed tube sealing blade 5 and the negative pressure acting in conjunction on core inner tube 1 top, ensure that to greatest extent the sand sample in sand sample pipe 6 can not miss.
Claims (6)
1. an exploration sand extractor, is characterized in that this sand extractor comprises
Core inner tube;
Get sand head body, hollow lower end form into sand port;
Core outer tube, can be sheathed on aforementioned core inner tube periphery rotationally;
Drill bit, lower end has blade part and is located at aforementioned rock core outer tube lower end and can rotates with the rotation of rock core outer tube, and the blade part of drill bit is stretched out in aforementioned lower end of getting sand head body;
Tube sealing blade, can be located to unidirectional folding the aforementioned inwall of getting sand head body; And
Sand sample pipe, is located at inner tube of core barrel inwall and is positioned at and get sand head body top and can accept the sand that enters tube sealing blade.
2. exploration sand extractor according to claim 1, is characterized in that: described tube sealing blade has multiple and for fan-shaped, each tube sealing blade agrees with mutually with the inwall of getting sand head body, and adjacent tube sealing blade can airtight being integrated.
3. exploration sand extractor according to claim 2, is characterized in that: described tube sealing blade is four, and being arranged on the inwall of getting sand head body of rotating by pin respectively.
4. exploration sand extractor according to claim 1, is characterized in that: described in get sand head body lower end be exposed to the blade part 7～9cm of drill bit.
5. according to the exploration sand extractor described in arbitrary claim in claim 1～4, it is characterized in that: described in get sand head body top periphery there is external thread, corresponding, described core inner tube bottom there is the internal thread matching with above-mentioned external thread interior week; Under assembling completion status, described in get sand head body and core inner tube periphery wall flush.
6. according to the exploration sand extractor described in arbitrary claim in claim 1～4, it is characterized in that: the periphery on described drill bit top has external thread, corresponding, described core outer tube bottom there is the internal thread matching with above-mentioned external thread interior week.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420365659.2U CN203981430U (en) | 2014-07-03 | 2014-07-03 | Exploration sand extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420365659.2U CN203981430U (en) | 2014-07-03 | 2014-07-03 | Exploration sand extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203981430U true CN203981430U (en) | 2014-12-03 |
Family
ID=51978861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420365659.2U Expired - Fee Related CN203981430U (en) | 2014-07-03 | 2014-07-03 | Exploration sand extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203981430U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248420A (en) * | 2016-07-11 | 2016-12-21 | 南京铁道职业技术学院 | A kind of two-tube vane locking-type sand extractor |
| CN106869842A (en) * | 2017-03-06 | 2017-06-20 | 济南轨道交通集团有限公司 | A kind of aqueous scall maintains coring device, method and the application of soil body overall picture |
| CN107167340A (en) * | 2017-03-29 | 2017-09-15 | 南方科技大学 | Mud sampler |
| CN109682641A (en) * | 2019-02-01 | 2019-04-26 | 青岛海之冠汽车配件制造有限公司 | A kind of sampler of mulling sand sample detection |
| CN117168912A (en) * | 2023-11-01 | 2023-12-05 | 四川交通职业技术学院 | Drilling sampling device and method for tunnel investigation |
-
2014
- 2014-07-03 CN CN201420365659.2U patent/CN203981430U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248420A (en) * | 2016-07-11 | 2016-12-21 | 南京铁道职业技术学院 | A kind of two-tube vane locking-type sand extractor |
| CN106248420B (en) * | 2016-07-11 | 2019-05-24 | 南京铁道职业技术学院 | A kind of two-tube vane locking-type sand extractor |
| CN106869842A (en) * | 2017-03-06 | 2017-06-20 | 济南轨道交通集团有限公司 | A kind of aqueous scall maintains coring device, method and the application of soil body overall picture |
| CN107167340A (en) * | 2017-03-29 | 2017-09-15 | 南方科技大学 | Mud sampler |
| CN107167340B (en) * | 2017-03-29 | 2018-06-05 | 南方科技大学 | Mud sampler |
| CN109682641A (en) * | 2019-02-01 | 2019-04-26 | 青岛海之冠汽车配件制造有限公司 | A kind of sampler of mulling sand sample detection |
| CN109682641B (en) * | 2019-02-01 | 2024-02-09 | 青岛海之冠汽车配件制造有限公司 | Sampling device for detecting sand mixing sand sample |
| CN117168912A (en) * | 2023-11-01 | 2023-12-05 | 四川交通职业技术学院 | Drilling sampling device and method for tunnel investigation |
| CN117168912B (en) * | 2023-11-01 | 2024-01-16 | 四川交通职业技术学院 | Drilling sampling device and method for tunnel investigation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |