CN110208036A - A kind of mining detection sampler - Google Patents
A kind of mining detection sampler Download PDFInfo
- Publication number
- CN110208036A CN110208036A CN201910624940.0A CN201910624940A CN110208036A CN 110208036 A CN110208036 A CN 110208036A CN 201910624940 A CN201910624940 A CN 201910624940A CN 110208036 A CN110208036 A CN 110208036A
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- sampling cavity
- sampler barrel
- sampler
- conical head
- sampling
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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)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The present invention relates to mine fields, specifically a kind of mining detection sampler, including sampler barrel, the first spiral plate is equipped on the outside of the sampler barrel, the right end of sampler barrel offers the first sampling cavity of right opening, and the left side of the first sampling cavity is provided with rotary body in movable chamber in offering closed movable chamber in sampler barrel, it is separately installed with screw rod and thief rod at left and right sides of rotary body, the left side of movable chamber is in offering the screw hole being cooperatively connected with wire rod thread in sampler barrel；It is connected between movable chamber and the first sampling cavity by through-hole, thief rod slides through from through-hole cooperation and stretches out from the right end of the first sampling cavity, and the right end of thief rod is fixedly installed with conical head, the second sampling cavity of left opening is offered in conical head, is equipped with secondary spiral lamina on the outside of conical head.The configuration of the present invention is simple, design rationally, can quickly carry out the mineral sampling of different depth, and sampling effect is good, stable and reliable in work, be conducive to promote and apply.
Description
Technical field
The present invention relates to mine field, specifically a kind of mining detection sampler.
Background technique
Mineral products, refer to all be imbedded in underground (or being distributed in earth's surface or rock weathering or rock deposition) for
The natural minerals or rock resource of human use can be divided into metal, nonmetallic, the flammable classifications such as organic, be non-renewable resources.
Sample acquisition usually referred to as samples, and is a kind of mode of sampling, is a kind of research method of science.It is existing to be used for
The sampler of mining, structure is complicated, and design is unreasonable, can not quickly carry out the mineral sampling of different depth, and samples
Effect is poor, and work is not sufficiently stable reliable.
Therefore, for the above status, there is an urgent need to develop a kind of mining detection samplers, to overcome current reality
Deficiency in the application of border.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of mining detection sampler, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the embodiment of the present invention provides the following technical solutions:
A kind of mining detection sampler, including sampler barrel are equipped with the first spiral on the outside of the sampler barrel
Plate, the right end of the sampler barrel offer the first sampling cavity of right opening, and the left side of first sampling cavity in sampler barrel in opening
Equipped with closed movable chamber, it is provided with rotary body in the movable chamber, screw rod is separately installed at left and right sides of rotary body and takes
Sample bar, the left side of the movable chamber is in offering the screw hole being cooperatively connected with wire rod thread, the left end of the screw rod in sampler barrel
It is fixedly installed rotating handle；It is connected between the movable chamber and the first sampling cavity by through-hole, the thief rod is matched from through-hole
Conjunction slides through and stretches out from the right end of the first sampling cavity, and the right end of the thief rod is fixedly installed with conical head, conical head
The second sampling cavity of left opening is inside offered, is equipped with secondary spiral lamina on the outside of the conical head.
As a further solution of the present invention: the sampler barrel is cylindrical structure.
As a further solution of the present invention: first sampling cavity is cylindrical structure, and first sampling cavity
Left end outer ring rounded corner.
As a further solution of the present invention: second sampling cavity is frustum cone structure left large and right small.
As a further solution of the present invention: the section of the thief rod is regular polygon, diamond shape or elliptical shape, and institute
The right end for stating thief rod is fixed on the right end middle position of the second sampling cavity.
As a further solution of the present invention: the screw rod, thief rod, sampler barrel and conical head are coaxially arranged.
As a further solution of the present invention: the left end outer diameter of the conical head is identical with the outer diameter of sampler barrel, and second takes
The left end diameter of sample chamber and the right end diameter of the first sampling cavity are identical, and the right end of the sampler barrel and the left end of conical head are respectively provided with
There is sealing ring；When the conical head and sampler barrel are connected, the first sampling cavity and the second sampling cavity constitute closed sampling cavity
Body, and the left end corresponding matching of the right end of first spiral plate and secondary spiral lamina connects.
As a further solution of the present invention: also circumferentially distributed on the outside of the left end of the sampler barrel to be provided with more holdings
Bar, the length for holding bar are greater than 5cm, and the bar that holds is arranged perpendicular to the lateral wall of sampler barrel, the outer end for holding bar
It is fixedly installed holding bulb.
Compared with prior art, the beneficial effect of the embodiment of the present invention is:
1) before sampling, by manipulation rotating handle to screw rod rotate, because screw rod connect with screw hole matching thread, thief rod with lead to
Hole cooperation is slidably connected and the setting of rotary body, may make that screw rod, rotary body, thief rod and conical head constitute it is whole to
It moves left, until conical head and sampler barrel are sealed against；
2) in sampling, sampler barrel can be rotated by holding bulb by manipulation and holding bar, because thief rod can not with respect to sampler barrel
Rotation, therefore conical head and sampler barrel can rotate synchronously, and under the mating reaction of the first spiral plate and secondary spiral lamina, can be dug
Into to be sampled operation under different depth；
3) after the whole arrival designated depth that sampler barrel and conical head are constituted, controllable rotating handle rotates screw rod, can make
The entirety that constitutes of screw rod, rotary body, thief rod and conical head moves right, conical head, can by its own pyramidal structure
Continue to tunnel a distance, i.e. sampler barrel and conical head separation；Mineral lateral pressure effect under, at this time the first sampling cavity and
Second sampling cavity can enter a part of mineral samplers, and the rear rotating handle that manipulates reversely rotates screw rod, may make screw rod, rotation
The entirety that body, thief rod and conical head are constituted is moved to the left, and the self structure of conical head can scrape next part mineral samplers, until
Conical head and sampler barrel are sealed against, and sampling is completed；Sampler barrel is reversely rotated finally, manipulation holds bulb and holds bar, i.e.,
Device can be extracted completely；During device is extracted, the first sampling cavity and the second sampling cavity are closed state, will not be to it
Interior mineral samplers are interfered and are destroyed, stable and reliable in work.
In conclusion mining detection sampler, structure is simple, and design rationally, can quickly carry out different depths
The mineral of degree sample, and sampling effect is good, stable and reliable in work, are conducive to promote and apply.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention.
Fig. 2 is the broken section structural schematic diagram of Fig. 1.
Fig. 3 is the schematic perspective view of conical head part in the embodiment of the present invention.
In figure: 1- rotating handle, 2- screw rod, 3- hold bulb, and 4- holds bar, 5- sampler barrel, the first spiral plate of 6-, 7- the
Two spiral plates, 8- conical head, 9- screw hole, 10- rotary body, 11- movable chamber, the first sampling cavity of 12-, 13- thief rod, 14- second
Sampling cavity, 15- through-hole.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
The embodiment of this patent is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining this patent, and cannot be understood as a limitation of this patent.
In the description of this patent, it is to be understood that term " center ", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure
Orientation or positional relationship, be merely for convenience of description this patent and simplify description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to this patent.
In the description of this patent, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection ", " setting " shall be understood in a broad sense, for example, it may be being fixedly linked, being arranged, may be a detachable connection, set
It sets, or is integrally connected, is arranged.For the ordinary skill in the art, above-mentioned art can be understood as the case may be
The concrete meaning of language in this patent.
Embodiment 1
Please refer to Fig. 1-3, in the embodiment of the present invention, a kind of mining detection sampler, including sampler barrel 5, it is described to take
Sample cylinder 5 is cylindrical structure, and the outside of sampler barrel 5 is equipped with the first spiral plate 6, and the first spiral plate 6 uses existing spiral shell
Vane chip architecture, is inwardly tunneled when for exploiting, and the right end of the sampler barrel 5 offers the first sampling cavity of right opening
12, the first sampling cavity 12 is cylindrical structure, and the left end outer ring rounded corner of first sampling cavity 12, conducive to mineral samplers
Discharge, the left side of first sampling cavity 12 are arranged in the movable chamber 11 in offering closed movable chamber 11 in sampler barrel 5
There is rotary body 10, the left and right sides of rotary body 10 is separately installed with screw rod 2 and thief rod 13, and the effect of rotary body 10 is so that silk
Between bar 2 and thief rod 13 can relative rotation, the left side of the movable chamber 11 in sampler barrel 5 in offering and 2 screw thread of screw rod
The left end of the screw hole 9 of mating connection, the screw rod 2 is fixedly installed rotating handle 1, can be carried out to screw rod 2 by rotating handle 1
Rotation is connected between the movable chamber 11 and the first sampling cavity 12 by through-hole 15, and the thief rod 13 cooperates from through-hole 15 to be slided
The right end stretching across and from the first sampling cavity 12 is moved, and the right end of the thief rod 13 is fixedly installed with conical head 8, conical head
The second sampling cavity 14 of left opening is offered in 8, the second sampling cavity 14 is frustum cone structure left large and right small, the conical head 8
Outside is equipped with secondary spiral lamina 7, and secondary spiral lamina 7 uses existing helical blade structure, is equally used for exploiting
When inwardly tunnel.
Further, in order to avoid thief rod 13 is rotated relative to sampler barrel 5, the section of the thief rod 13 is positive polygon
Shape, diamond shape or elliptical shape.
Further, the screw rod 2, thief rod 13, sampler barrel 5 and conical head 8 are coaxially arranged, and the thief rod 13
Right end be fixed on the right end middle position of the second sampling cavity 14.
Further, the left end outer diameter of the conical head 8 is identical with the outer diameter of sampler barrel 5, the left end of the second sampling cavity 14
The right end diameter of diameter and the first sampling cavity 12 is identical, in order to promote the leakproofness that the sampler barrel 5 and conical head 8 connect, institute
The left end of the right end and conical head 8 of stating sampler barrel 5 is provided with sealing ring (not shown)；The conical head 8 and sampler barrel 5 against
When connection, the first sampling cavity 12 and the second sampling cavity 14 constitute closed sampling cavity, and the right end of first spiral plate 6 with
The left end corresponding matching of secondary spiral lamina 7 connects.
Embodiment 2
Referring to Fig. 1, the present embodiment difference from example 1 is that:
It is also circumferentially distributed on the outside of the left end of the sampler barrel 5 to be provided with more holding bars 4 in the present embodiment, hold the length of bar 4
Greater than 5cm, and the bar 4 that holds is arranged perpendicular to the lateral wall of sampler barrel 5, and the outer end for holding bar 4 is fixedly installed handle
Head 3 of catching conveniently manipulates sampler barrel 5 by holding bulb 3 and holding the setting of bar 4.
Mining detection sampler, in practical application, having the following prominent advantages:
1) before sampling, screw rod 2 is rotated by manipulation rotating handle 1, because screw rod 2 is connect with 9 matching thread of screw hole, thief rod
13 are slidably connected and the setting of rotary body 10 with the cooperation of through-hole 15, may make screw rod 2, rotary body 10, thief rod 13 and taper
First 8 entirety constituted are moved to the left, until conical head 8 and sampler barrel 5 are sealed against；
2) in sampling, sampler barrel 5 can be rotated by holding bulb 3 by manipulation and holding bar 4, because thief rod 13 is with respect to sampler barrel
5 can not rotate, therefore conical head 8 and sampler barrel 5 can rotate synchronously, in the mating reaction of the first spiral plate 6 and secondary spiral lamina 7
Under, it can be tunneled, to be sampled operation under different depth；
3) after the whole arrival designated depth that sampler barrel 5 and conical head 8 are constituted, controllable rotating handle 1 rotates screw rod 2,
The entirety that may make screw rod 2, rotary body 10, thief rod 13 and conical head 8 to constitute moves right, and conical head 8 passes through its own
Pyramidal structure can continue to tunnel a distance, i.e. sampler barrel 5 and conical head 8 separates；Under the lateral pressure effect of mineral, this
When the first sampling cavity 12 and the second sampling cavity 14 can enter a part of mineral samplers, it is rear to manipulate rotating handle 1 screw rod 2 is reversely revolved
Turn, the entirety that may make screw rod 2, rotary body 10, thief rod 13 and conical head 8 to constitute is moved to the left, the self structure of conical head 8
Next part mineral samplers can be scraped, until conical head 8 and sampler barrel 5 are sealed against, sampling is completed；Finally, manipulation holds bulb 3
Sampler barrel 5 is reversely rotated with bar 4 is held, device can be extracted completely；During device is extracted, the first sampling cavity 12
It is closed state with the second sampling cavity 14, the mineral samplers in it will not be interfered and be destroyed, it is stable and reliable in work.
The above are merely the preferred embodiment of the present invention, it is noted that for those skilled in the art, not
Under the premise of being detached from present inventive concept, several modifications and improvements can also be made, these also should be considered as protection model of the invention
It encloses, these all will not influence the effect and patent practicability that the present invention is implemented.
Claims (8)
1. a kind of mining detection sampler, including sampler barrel (5), which is characterized in that the outside of the sampler barrel (5)
It is equipped with the first spiral plate (6), the right end of the sampler barrel (5) offers the first sampling cavity (12) of right opening, described
The left side of first sampling cavity (12) offers closed movable chamber (11) in sampler barrel (5), setting in the movable chamber (11)
Have rotary body (10), screw rod (2) and thief rod (13), the movable chamber (11) are separately installed at left and right sides of rotary body (10)
Left side the screw hole (9) that connection is threadedly engaged with screw rod (2) is offered in the sampler barrel (5), the left end of the screw rod (2) is fixed
It is provided with rotating handle (1)；It is connected between the movable chamber (11) and the first sampling cavity (12) by through-hole (15), the sampling
Bar (13) slides through from through-hole (15) cooperation and stretches out from the right end of the first sampling cavity (12), and the right side of the thief rod (13)
End is fixedly installed with conical head (8), and the second sampling cavity (14) of left opening is offered in conical head (8), the conical head (8)
Outside is equipped with secondary spiral lamina (7).
2. mining according to claim 1 detection sampler, which is characterized in that the sampler barrel (5) is circle
Column construction.
3. mining according to claim 2 detection sampler, which is characterized in that first sampling cavity (12)
For cylindrical structure, and the left end outer ring rounded corner of first sampling cavity (12).
4. mining according to claim 3 detection sampler, which is characterized in that second sampling cavity (14)
For frustum cone structure left large and right small.
5. mining according to claim 4 detection sampler, which is characterized in that the thief rod (13) is cut
Face is regular polygon, diamond shape or elliptical shape, and the right end of the thief rod (13) is fixed on the right end of the second sampling cavity (14)
Middle position.
6. mining according to claim 5 detection sampler, which is characterized in that the screw rod (2), thief rod
(13), sampler barrel (5) and conical head (8) are coaxially arranged.
7. mining according to claim 6 detection sampler, which is characterized in that a left side for the conical head (8)
Hold outer diameter identical with the outer diameter of sampler barrel (5), the left end diameter of the second sampling cavity (14) and the right end of the first sampling cavity (12) are straight
Diameter is identical；
The right end of the sampler barrel (5) and the left end of conical head (8) are provided with sealing ring；
When the conical head (8) and sampler barrel (5) are connected, the first sampling cavity (12) and the second sampling cavity (14) constitute closing
Sampling cavity, and the right end of first spiral plate (6) is connect with the left end corresponding matching of secondary spiral lamina (7).
8. mining according to claim 1-7 detection sampler, which is characterized in that the sampler barrel
(5) also circumferentially distributed on the outside of left end to be provided with more holding bars (4), the length for holding bar (4) is greater than 5cm, and the holding
Bar (4) is arranged perpendicular to the lateral wall of sampler barrel (5), and the outer end for holding bar (4), which is fixedly installed, holds bulb (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910624940.0A CN110208036A (en) | 2019-07-11 | 2019-07-11 | A kind of mining detection sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910624940.0A CN110208036A (en) | 2019-07-11 | 2019-07-11 | A kind of mining detection sampler |
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| Publication Number | Publication Date |
|---|---|
| CN110208036A true CN110208036A (en) | 2019-09-06 |
Family
ID=67797188
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910624940.0A Pending CN110208036A (en) | 2019-07-11 | 2019-07-11 | A kind of mining detection sampler |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111707496A (en) * | 2020-08-07 | 2020-09-25 | 吕梁学院 | Detection sampling device for mining |
| CN113029651A (en) * | 2021-03-09 | 2021-06-25 | 南京林业大学 | Hydraulic deep soil sampler |
| CN117129273A (en) * | 2023-10-24 | 2023-11-28 | 扬州市疾病预防控制中心 | Sewage passive sampling device and sampling method thereof |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08285740A (en) * | 1995-04-17 | 1996-11-01 | Oruganetsuto Kagaku Kk | Sampler for powdery material stocked in large container |
| CN101545831A (en) * | 2009-03-17 | 2009-09-30 | 环境保护部南京环境科学研究所 | Original-state soil sampler |
| CN204594731U (en) * | 2015-04-24 | 2015-08-26 | 哈尔滨师范大学 | Detachable soil sampling apparatus |
| CN105890921A (en) * | 2016-05-25 | 2016-08-24 | 中国地质大学（武汉） | Soil sampling device |
| CN106769173A (en) * | 2015-11-25 | 2017-05-31 | 天津臻鹏科技有限公司 | A kind of new soil sampling analysis device |
| CN206670950U (en) * | 2017-04-17 | 2017-11-24 | 江苏炯测环保技术有限公司 | A kind of soil collection device of drill-bit type |
| CN207396090U (en) * | 2017-11-04 | 2018-05-22 | 浙江省化工工程地质勘察院 | A kind of soil sampling drill |
| CN108120617A (en) * | 2017-12-18 | 2018-06-05 | 袁加衡 | A kind of cam-type sampler of contaminated soil |
| CN108168934A (en) * | 2017-12-18 | 2018-06-15 | 袁加衡 | A kind of multilayer sampling device of contaminated soil |
| CN208206530U (en) * | 2018-06-01 | 2018-12-07 | 沭阳美邦科技有限公司 | A kind of antifouling soil sampling apparatus |
| CN208239117U (en) * | 2018-06-01 | 2018-12-14 | 沭阳美邦科技有限公司 | A kind of soil quantitative sampling device |
-
2019
- 2019-07-11 CN CN201910624940.0A patent/CN110208036A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08285740A (en) * | 1995-04-17 | 1996-11-01 | Oruganetsuto Kagaku Kk | Sampler for powdery material stocked in large container |
| CN101545831A (en) * | 2009-03-17 | 2009-09-30 | 环境保护部南京环境科学研究所 | Original-state soil sampler |
| CN204594731U (en) * | 2015-04-24 | 2015-08-26 | 哈尔滨师范大学 | Detachable soil sampling apparatus |
| CN106769173A (en) * | 2015-11-25 | 2017-05-31 | 天津臻鹏科技有限公司 | A kind of new soil sampling analysis device |
| CN105890921A (en) * | 2016-05-25 | 2016-08-24 | 中国地质大学（武汉） | Soil sampling device |
| CN206670950U (en) * | 2017-04-17 | 2017-11-24 | 江苏炯测环保技术有限公司 | A kind of soil collection device of drill-bit type |
| CN207396090U (en) * | 2017-11-04 | 2018-05-22 | 浙江省化工工程地质勘察院 | A kind of soil sampling drill |
| CN108120617A (en) * | 2017-12-18 | 2018-06-05 | 袁加衡 | A kind of cam-type sampler of contaminated soil |
| CN108168934A (en) * | 2017-12-18 | 2018-06-15 | 袁加衡 | A kind of multilayer sampling device of contaminated soil |
| CN208206530U (en) * | 2018-06-01 | 2018-12-07 | 沭阳美邦科技有限公司 | A kind of antifouling soil sampling apparatus |
| CN208239117U (en) * | 2018-06-01 | 2018-12-14 | 沭阳美邦科技有限公司 | A kind of soil quantitative sampling device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111707496A (en) * | 2020-08-07 | 2020-09-25 | 吕梁学院 | Detection sampling device for mining |
| CN113029651A (en) * | 2021-03-09 | 2021-06-25 | 南京林业大学 | Hydraulic deep soil sampler |
| CN117129273A (en) * | 2023-10-24 | 2023-11-28 | 扬州市疾病预防控制中心 | Sewage passive sampling device and sampling method thereof |
| CN117129273B (en) * | 2023-10-24 | 2024-03-01 | 扬州市疾病预防控制中心 | Sewage passive sampling device and sampling method thereof |
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Application publication date: 20190906 |