CN112964499B - Portable monitoring device for mine geological environment - Google Patents
Portable monitoring device for mine geological environment Download PDFInfo
- Publication number
- CN112964499B CN112964499B CN202110244241.0A CN202110244241A CN112964499B CN 112964499 B CN112964499 B CN 112964499B CN 202110244241 A CN202110244241 A CN 202110244241A CN 112964499 B CN112964499 B CN 112964499B
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- storage
- lock catch
- storage box
- box
- universal joint
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 21
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 15
- 238000005553 drilling Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 4
- 238000005070 sampling Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 4
- 206010066054 Dysmorphism Diseases 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a portable monitoring device for a mine geological environment, which comprises a storage mechanism, a supporting mechanism, a collecting mechanism and a detecting mechanism, wherein the supporting mechanism is arranged at the lower end of the storage mechanism, the collecting mechanism is arranged in the storage mechanism, the detecting mechanism is arranged on one side of the collecting mechanism, the collecting mechanism is connected with the storage mechanism through a sliding mechanism, and a bottom stabilizing mechanism is arranged at the bottom of the supporting mechanism. According to the invention, the drilling reclaimer is conveniently taken out for sampling by utilizing the storage barrel, the storage effect and portability are improved by utilizing the multi-storage and quick-release structure, and the device is conveniently and effectively fixed on different sections by utilizing the cooperation of the supporting mechanism and the bottom stabilizing mechanism, so that the stability of the device in use is improved.
Description
Technical Field
The invention relates to the field of environmental monitoring, in particular to a portable monitoring device for mine geological environment.
Background
Environmental monitoring refers to determining environmental quality (or pollution level) and its trend by measuring representative values of factors affecting environmental quality. The main means of environmental monitoring include physical means, chemical means, biological means. When the environment is monitored in mine geology, the environment is monitored by adopting the environment monitoring.
The current monitoring devices are all split type multi-person carrying, the carrying mode is inconvenient, and the device cannot be effectively fixed in many places, so that the use is inconvenient.
Disclosure of Invention
The present invention aims to solve the above problems and provide a portable monitoring device for use in a geological mine environment.
The invention realizes the above purpose through the following technical scheme:
The portable monitoring device for the mine geological environment comprises a storage mechanism, a supporting mechanism, a collecting mechanism and a detecting mechanism, wherein the supporting mechanism is arranged at the lower end of the storage mechanism, the collecting mechanism is arranged inside the storage mechanism, the detecting mechanism is arranged on one side of the collecting mechanism, the collecting mechanism is connected with the storage mechanism through a sliding mechanism, and a bottom stabilizing mechanism is arranged at the bottom of the supporting mechanism;
The storage mechanism comprises a storage box, a box cover, a drawer and a storage barrel, wherein the box cover is arranged at the upper end of the storage box, the drawer is arranged on the lower end face of the storage box, the storage barrel is arranged on one side of the storage box, a storage bag is connected to the inner side face of the box cover, and a clamp is arranged on one side of the storage bag;
The supporting mechanism comprises telescopic supporting legs, handles, handle fixing buckles and moving wheels, wherein the telescopic supporting legs are connected to the lower end face of the storage box, the handles are arranged on one sides of the telescopic supporting legs, the handles are connected with the box cover through the handle fixing buckles, and the moving wheels are arranged on the outer side of the storage box;
the collecting mechanism comprises a collecting cup, a fixed base, a sealing cover and a base lock catch, wherein the fixed base is arranged on the inner side of the box cover, the base lock catch is arranged at the front end and the rear end of the fixed base, the bottom stabilizing mechanism is arranged at the other side of the base lock catch, the collecting cup is connected to the fixed base, and the sealing cover is arranged at one side of the base lock catch;
The detection mechanism comprises a computer, a detector and a drilling reclaimer, wherein the computer is placed on the inner side of the box cover, the detector is arranged on one side of the computer, and the drilling reclaimer is fixed in the storage barrel;
The bottom stabilizing mechanism comprises a thimble, a connecting sleeve, a universal joint fixing rod and a universal joint movable rod, wherein the thimble is connected to the bottom of the telescopic supporting leg, the connecting sleeve is connected to the outer side of the bottom of the telescopic supporting leg, the universal joint fixing rod is installed at the lower end of the connecting sleeve, the lower end of the universal joint fixing rod is connected with the universal joint movable rod, and an anti-slip pad is connected at the lower end of the universal joint movable rod.
Preferably: the sliding mechanism comprises a special-shaped rotary lock catch, a first limit groove and a first fixed groove, wherein the special-shaped rotary lock catch is connected with the front end and the rear end of the fixed base, two first fixed grooves are formed between the fixed base and the box cover, and the first limit groove is formed between the first fixed grooves.
So set up, when needs accomodate unable adjustment base, pull unable adjustment base makes dysmorphism rotatory hasp removes the right in the first fixed slot, rotatory unable adjustment base can be fixed unable adjustment base and utilization sealed lid seals the collection cup.
Preferably: the sliding mechanism comprises a cylindrical rotary lock catch, a spring piece and a second fixing groove, wherein the cylindrical rotary lock catch is arranged at the front end and the rear end of the fixing base, the second fixing groove is formed between the cylindrical rotary lock catch and the box cover, and two spring pieces are arranged between the second fixing grooves.
So set up, when needs accomodate unable adjustment base, pull unable adjustment base makes the rotatory hasp of cylinder removes the right in the second fixed slot, rotatory unable adjustment base can be fixed unable adjustment base and utilization sealed lid seals the collection cup.
Preferably: the containing box is connected with the box cover through a hinge, the drawer is connected with the containing box in a sliding mode, and the containing barrel is connected with the containing box through a hinge.
So set up, the containing box with the case lid cooperation is accomodate and is sealed.
Preferably: the telescopic support legs are of telescopic structures, the telescopic support legs are of foldable structures and are connected with the storage box through pins, the handle is connected with the storage box in a sliding mode, and the handle fixing buckle is connected with the storage box through bolts.
So set up, flexible supporting leg is used for supporting and stabilizing to can be according to the topography each flexible supporting leg's length is adjusted.
Preferably: the sealing cover is connected with the storage box through a bolt, a rubber pad is arranged on one side of the sealing cover, which is positioned on one side of the collecting cup, and the collecting cup is connected with the fixing base through a buckle.
So configured, the seal cap is for sealing and the collection cup is for collection.
Preferably: the thimble is connected with the telescopic supporting leg through threads.
So set up, the thimble is used for fixing the device on rock seam or landslide.
Preferably: the connecting sleeve is connected with the telescopic supporting leg through threads, the universal joint fixing rod is rotationally connected with the connecting sleeve, and the universal joint movable rod is connected with the universal joint fixing rod through a screw.
So set up, the slipmat is used for quick fixation.
Preferably: the special-shaped rotary lock catch is in a shape of a cylinder with two sides removed, and the size of the narrowest part is equal to the width of the first limit groove.
So set up, rotatory hasp of dysmorphism is convenient fixed.
Preferably: the spring piece is connected with the box cover through a screw.
So set up, the spring leaf is used for spacing and fixed.
Compared with the prior art, the invention has the following beneficial effects:
1. The drilling reclaimer is conveniently taken out for sampling by the storage barrel, and the storage effect and portability are improved by utilizing a multi-storage and quick-dismantling structure;
2. the supporting mechanism and the bottom stabilizing mechanism are matched, so that the device is conveniently and effectively fixed in different sections, and the stability of the device during use is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a first schematic view of a portable monitoring device for use in a mine geological environment according to the present invention;
FIG. 2 is a second schematic view of a portable monitoring device for use in a mine geological environment according to the present invention;
FIG. 3 is a schematic view of a supporting mechanism of a portable monitoring device for use in a mine geological environment according to the present invention;
FIG. 4 is a schematic view of a first state structure of a stationary base of a portable monitoring device for use in a mine geological environment according to the present invention;
FIG. 5 is a schematic view of a second state structure of a stationary base of a portable monitoring device for use in a mine geological environment according to the present invention;
FIG. 6 is a schematic view of a bottom stabilization mechanism of a portable monitoring device for use in a mine geological environment according to the present invention;
FIG. 7 is a schematic view of a special-shaped rotary latch structure of a portable monitoring device for use in a mine geological environment according to the present invention;
fig. 8 is a schematic view of a cylindrical rotary latch structure of a portable monitoring device for use in a mine geological environment according to the present invention.
The reference numerals are explained as follows:
1. A storage mechanism; 2. a support mechanism; 3. a collection mechanism; 4. a detection mechanism; 5. a bottom stabilizing mechanism; 6. a sliding mechanism; 11. a storage box; 12. a case cover; 13. a drawer; 14. a storage barrel; 15. a storage bag; 16. a clip; 21. a telescoping support leg; 22. a handle; 23. a handle fixing buckle; 24. a moving wheel; 31. a collection cup; 32. a fixed base; 33. sealing cover; 34. a base lock catch; 41. a computer; 42. a detector; 43. drilling reclaimer; 51. a thimble; 52. connecting sleeves; 53. a gimbal mounting bar; 54. a gimbal movable rod; 55. an anti-slip pad; 61. a special-shaped rotary lock catch; 62. a first limit groove; 63. a first fixing groove; 611. a cylindrical rotary lock catch; 612. a spring piece; 613. and a second fixing groove.
Detailed Description
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
The invention is further described below with reference to the accompanying drawings:
Example 1
As shown in fig. 1-7, a portable monitoring device for mine geological environment comprises a storage mechanism 1, a supporting mechanism 2, a collecting mechanism 3 and a detecting mechanism 4, wherein the supporting mechanism 2 is arranged at the lower end of the storage mechanism 1, the collecting mechanism 3 is arranged in the storage mechanism 1, the detecting mechanism 4 is arranged at one side of the collecting mechanism 3, the collecting mechanism 3 and the storage mechanism 1 are connected through a sliding mechanism 6, and a bottom stabilizing mechanism 5 is arranged at the bottom of the supporting mechanism 2;
the storage mechanism 1 comprises a storage box 11, a box cover 12, a drawer 13 and a storage barrel 14, wherein the box cover 12 is arranged at the upper end of the storage box 11, the drawer 13 is arranged on the lower end surface of the storage box 11, the storage barrel 14 is arranged on one side of the storage box 11, a storage bag 15 is connected to the inner side surface of the box cover 12, and a clamp 16 is arranged on one side of the storage bag 15;
The supporting mechanism 2 comprises telescopic supporting legs 21, handles 22, handle fixing buckles 23 and moving wheels 24, wherein the telescopic supporting legs 21 are connected to the lower end face of the storage box 11, the handles 22 are arranged on one sides of the telescopic supporting legs 21, the handles 22 are connected with the box cover 12 through the handle fixing buckles 23, and the moving wheels 24 are arranged on the outer side of the storage box 11 and located on the storage barrel 14;
The collecting mechanism 3 comprises a collecting cup 31, a fixed base 32, a sealing cover 33 and a base lock catch 34, wherein the fixed base 32 is arranged on the inner side of the box cover 12, the front end and the rear end of the fixed base 32 are both provided with the base lock catch 34, the other side of the base lock catch 34 is provided with a bottom stabilizing mechanism 5, the fixed base 32 is connected with the collecting cup 31, and one side of the base lock catch 34 is provided with the sealing cover 33;
The detection mechanism 4 comprises a computer 41, a detector 42 and a drilling reclaimer 43, wherein the computer 41 is placed on the inner side of the box cover 12, the detector 42 is arranged on one side of the computer 41, and the drilling reclaimer 43 is fixed in the storage barrel 14;
The bottom stabilizing mechanism 5 comprises a thimble 51, a connecting sleeve 52, a universal joint fixing rod 53 and a universal joint movable rod 54, wherein the thimble 51 is connected to the bottom of the telescopic supporting leg 21, the connecting sleeve 52 is connected to the outer side of the bottom of the telescopic supporting leg 21, the universal joint fixing rod 53 is installed at the lower end of the connecting sleeve 52, the universal joint movable rod 54 is connected to the lower end of the universal joint fixing rod 53, and an anti-slip pad 55 is connected to the lower end of the universal joint movable rod 54.
Preferably: the sliding mechanism 6 comprises a special-shaped rotary lock catch 61, a first limit groove 62 and a first fixed groove 63, wherein the special-shaped rotary lock catch 61 is connected to the front end and the rear end of the fixed base 32, two first fixed grooves 63 are arranged between the fixed base 32 and the box cover 12, the first limit groove 62 is arranged between the first fixed grooves 63, when the fixed base 32 needs to be stored, the fixed base 32 is pulled to enable the special-shaped rotary lock catch 61 to move into the first fixed groove 63 on the right side, the fixed base 32 is rotated, and the fixed base 32 can be fixed and the collecting cup 31 can be sealed by the sealing cover 33; the storage box 11 is connected with the box cover 12 through a hinge, the drawer 13 is connected with the storage box 11 in a sliding manner, the storage barrel 14 is connected with the storage box 11 through a hinge, and the storage box 11 and the box cover 12 are matched for storage and sealing; the telescopic support legs 21 are of telescopic structures, the telescopic support legs 21 are of foldable structures and are connected with the storage box 11 through pins, the handles 22 are connected with the storage box 11 in a sliding mode, the handle fixing buckles 23 are connected with the storage box 11 through bolts, the telescopic support legs 21 are used for supporting and stabilizing, and the length of each telescopic support leg 21 can be adjusted according to terrains; the sealing cover 33 is connected with the storage box 11 through a bolt, a rubber pad is arranged on one side of the sealing cover 33, which is positioned on the collecting cup 31, the collecting cup 31 is connected with the fixing base 32 through a buckle, the sealing cover 33 is used for sealing, and the collecting cup 31 is used for collecting; the thimble 51 is connected with the telescopic supporting leg 21 through threads, and the thimble 51 is used for fixing the device on a rock joint or a landslide; the connecting sleeve 52 is connected with the telescopic supporting leg 21 through threads, the universal joint fixing rod 53 is rotationally connected with the connecting sleeve 52, the universal joint movable rod 54 is connected with the universal joint fixing rod 53 through screws, and the anti-skid pad 55 is used for quick fixation; the special-shaped rotary lock catch 61 is in a shape of a cylinder with two sides removed, and the size of the narrowest part is equal to the width of the first limit groove 62, so that the special-shaped rotary lock catch 61 is convenient to fix.
Example 2
As shown in fig. 8, this embodiment differs from embodiment 1 in that:
The sliding mechanism 6 comprises a cylindrical rotary lock 611, spring pieces 612 and a second fixing groove 613, the cylindrical rotary lock 611 is arranged at the front end and the rear end of the fixed base 32, the second fixing groove 613 is arranged between the cylindrical rotary lock 611 and the box cover 12, two spring pieces 612 are arranged between the second fixing groove 613, when the fixed base 32 needs to be stored, the fixed base 32 is pulled to enable the cylindrical rotary lock 611 to move into the second fixing groove 613 at the right side, the fixed base 32 is rotated, and the fixed base 32 can be fixed and the collecting cup 31 is sealed by the sealing cover 33; the spring plate 612 is connected with the box cover 12 through screws, and the spring plate 612 is used for limiting and fixing.
Working principle: when sampling is required, the storage barrel 14 can be independently opened to take out the drilling reclaimer 43 for sampling, then a proper position is searched for, the lengths of the four telescopic supporting legs 21 are adjusted, and the anti-slip pad 55 or the thimble 51 is selected to be used according to the bottom surface, so that the device is stable, the box cover 12 is opened, the fixed base 32 is turned over, the collection cup 31 and the detector 42 are utilized for detecting the sampling, and after storage, the telescopic supporting legs 21 and the moving wheel 24 can be utilized for rapidly moving the device.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (5)
1. A portable monitoring devices for mine geological environment, its characterized in that: the device comprises a storage mechanism (1), a supporting mechanism (2), a collecting mechanism (3) and a detecting mechanism (4), wherein the supporting mechanism (2) is arranged at the lower end of the storage mechanism (1), the collecting mechanism (3) is arranged inside the storage mechanism (1), the detecting mechanism (4) is arranged on one side of the collecting mechanism (3), the collecting mechanism (3) is connected with the storage mechanism (1) through a sliding mechanism (6), and a bottom stabilizing mechanism (5) is arranged at the bottom of the supporting mechanism (2);
the storage mechanism (1) comprises a storage box (11), a box cover (12), a drawer (13) and a storage barrel (14), wherein the box cover (12) is arranged at the upper end of the storage box (11), the drawer (13) is arranged on the lower end face of the storage box (11), the storage barrel (14) is arranged on one side of the storage box (11), a storage bag (15) is connected to the inner side face of the box cover (12), and a clamping clip (16) is arranged on one side of the storage bag (15);
the supporting mechanism (2) comprises telescopic supporting legs (21), handles (22), handle fixing buckles (23) and moving wheels (24), wherein the telescopic supporting legs (21) are connected to the lower end face of the storage box (11), the handles (22) are arranged on one sides of the telescopic supporting legs (21), the handles (22) are connected with the box cover (12) through the handle fixing buckles (23), and the moving wheels (24) are installed on the outer side of the storage box (11) and located on the outer side of the storage barrel (14);
the collecting mechanism (3) comprises a collecting cup (31), a fixed base (32), a sealing cover (34) and a base lock catch (34), wherein the fixed base (32) is arranged on the inner side of the box cover (12), the base lock catch (34) is arranged at the front end and the rear end of the fixed base (32), the bottom stabilizing mechanism (5) is arranged on the other side of the base lock catch (34), the collecting cup (31) is connected to the fixed base (32), and the sealing cover (34) is arranged on one side of the base lock catch (34);
The detection mechanism (4) comprises a computer (41), a detector (42) and a drilling reclaimer (43), wherein the computer (41) is placed on the inner side of the box cover (12), the detector (42) is arranged on one side of the computer (41), and the drilling reclaimer (43) is fixed in the storage barrel (14);
The bottom stabilizing mechanism (5) comprises a thimble (51), a connecting sleeve (52), a universal joint fixing rod (53) and a universal joint movable rod (54), wherein the thimble (51) is connected to the bottom of the telescopic supporting leg (21), the connecting sleeve (52) is connected to the outer side of the bottom of the telescopic supporting leg (21), the universal joint fixing rod (53) is arranged at the lower end of the connecting sleeve (52), the lower end of the universal joint fixing rod (53) is connected with the universal joint movable rod (54), and an anti-slip pad (55) is connected to the lower end of the universal joint movable rod (54);
The sliding mechanism (6) comprises a special-shaped rotary lock catch (61), a first limit groove (62) and a first fixed groove (63), wherein the special-shaped rotary lock catch (61) is connected to the front end and the rear end of the fixed base (32), two first fixed grooves (63) are formed between the fixed base (32) and the box cover (12), the first limit groove (62) is formed between the first fixed grooves (63), the special-shaped rotary lock catch (61) is in a shape of a cylinder with two sides removed, and the narrowest part is equal to the width of the first limit groove (62);
Or the sliding mechanism (6) comprises a cylindrical rotary lock catch (611), a spring piece (612) and a second fixing groove (613), wherein the cylindrical rotary lock catch (611) is arranged at the front end and the rear end of the fixing base (32), the second fixing groove (613) is arranged between the cylindrical rotary lock catch (611) and the box cover (12), two spring pieces (612) are arranged between the second fixing grooves (613), and the spring pieces (612) are connected with the box cover (12) through screws;
The telescopic support leg (21) is of a telescopic structure, the telescopic support leg (21) is of a foldable structure and is connected with the storage box (11) through a pin, the handle (22) is connected with the storage box (11) in a sliding mode, and the handle fixing buckle (23) is connected with the storage box (11) through a bolt.
2. A portable monitoring device for a mine geological environment according to claim 1, wherein: the storage box (11) is connected with the box cover (12) through a hinge, the drawer (13) is connected with the storage box (11) in a sliding mode, and the storage barrel (14) is connected with the storage box (11) through a hinge.
3. A portable monitoring device for a mine geological environment according to claim 1, wherein: the sealing cover (33) is connected with the storage box (11) through a bolt, a rubber pad is arranged on one side of the sealing cover (33) positioned on the collecting cup (31), and the collecting cup (31) is connected with the fixing base (32) through a buckle.
4. A portable monitoring device for a mine geological environment according to claim 1, wherein: the thimble (51) is connected with the telescopic supporting leg (21) through threads.
5. A portable monitoring device for a mine geological environment according to claim 1, wherein: the connecting sleeve (52) is connected with the telescopic supporting leg (21) through threads, the universal joint fixing rod (53) is rotationally connected with the connecting sleeve (52), and the universal joint movable rod (54) is connected with the universal joint fixing rod (53) through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110244241.0A CN112964499B (en) | 2021-03-05 | 2021-03-05 | Portable monitoring device for mine geological environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110244241.0A CN112964499B (en) | 2021-03-05 | 2021-03-05 | Portable monitoring device for mine geological environment |
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| Publication Number | Publication Date |
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| CN112964499A CN112964499A (en) | 2021-06-15 |
| CN112964499B true CN112964499B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110244241.0A Active CN112964499B (en) | 2021-03-05 | 2021-03-05 | Portable monitoring device for mine geological environment |
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| CN112964499A (en) | 2021-06-15 |
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