CN114646497A - Sampling device for geological structure survey - Google Patents
Sampling device for geological structure survey Download PDFInfo
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- CN114646497A CN114646497A CN202210560545.2A CN202210560545A CN114646497A CN 114646497 A CN114646497 A CN 114646497A CN 202210560545 A CN202210560545 A CN 202210560545A CN 114646497 A CN114646497 A CN 114646497A
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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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Abstract
The invention provides a sampling device for geological structure survey, which relates to the technical field of geological survey sampling equipment and comprises a main body, wherein the main body is of a rectangular plate-shaped structure, a cylinder is arranged on the rear side of the top of the main body through a connecting plate, a notch is arranged in the middle of the top of the main body, the notch is of a circular structure, and a rotating assembly is arranged on the top of the main body; the rotating assembly comprises a support plate, a support plate is arranged at the bottom of the support plate, the bottom of the support plate is arranged at the top of the main body, the support plate at the bottom of the support plate is positioned on two sides of the groove formed in the top of the main body, and a sliding groove is formed in the top of the support plate; the material taking mechanism is arranged at the bottom of the main body. The protection casing is followed the removal of rotating member and is removed, makes the protection casing place subaerial, protects the periphery of drilling, when having solved current sampling device and using, need cool down the drill bit through jet stream, and rivers get rid of the problem on one's body of peripheral staff easily under the drive of drill bit.
Description
Technical Field
The invention relates to the technical field of geological survey sampling equipment, in particular to a sampling device for geological structure survey.
Background
The geologic structure survey refers to survey and detection of the shape left by deformation or displacement of rock strata or rock mass under the action of internal and external stresses of the earth by various means, and a sampling device is required to sample the rock strata in the surveying process.
However, current sampling device carries out the brill of stratum and gets through using the drill bit when using, and the drill bit need cool down the drill bit through injection rivers in work, and the rivers of drill hole department get rid of peripheral staff's on one's body easily under the drive of drill bit, and current sampling device when using, and the core that drills needs the manual work to strike the drill bit with the help of the hammer and take a sample, and the site tool of sample is more, and it has a great deal of inconvenience to get up to use.
Disclosure of Invention
In view of the above, the present invention provides a sampling device for geological structure survey, which has a rotating component, and prevents water drops from falling on the body of workers by blocking water drops carried out by the rotating component by using a protective cover in the rotating component, and simultaneously ensures that a sampling work site works in a relatively dry environment.
The invention provides a sampling device for geologic structure survey, which specifically comprises: the air cylinder is arranged on the rear side of the top of the main body through a connecting plate, a groove is formed in the middle of the top of the main body, the groove is of a circular structure, and a rotating assembly is arranged on the top of the main body; the rotating assembly comprises a support plate, a support plate is arranged at the bottom of the support plate, the bottom of the support plate is arranged at the top of the main body, the support plate at the bottom of the support plate is positioned on two sides of the groove formed in the top of the main body, and a sliding groove is formed in the top of the support plate; and the material taking mechanism is arranged at the bottom of the main body.
Optionally, the body comprises: a water tank installed at a rear side of the top of the main body; the landing leg, the landing leg is cylindrical structure, and the landing leg is installed in the position of the marginal contained angle in bottom of main part, and the top side of landing leg is equipped with the fluting, and the bottom of landing leg is equipped with four recesses.
Optionally, the body further comprises: the inner rod is slidably arranged on the inner side of the supporting leg; the inserted bar, the inserted bar is the toper structure, and the inserted bar is installed in the bottom of interior pole.
Optionally, the body further comprises: the inside of curb plate is slope column structure, and the bottom of curb plate installs the pulley, and the top of curb plate installs the bottom at interior pole through the pivot, and the curb plate is installed in the recess of landing leg bottom to the inboard top of curb plate is connected with the outside of inserted bar through the spring.
Optionally, the push pedal, the threaded rod is installed at the top of push pedal, and the threaded rod is installed in the top both sides of main part, and the both ends of push pedal run through the fluting of landing leg top side and are connected with the top of interior pole.
Optionally, the rotating assembly further comprises: the top plate is of a circular structure, a sliding groove is formed in the top of the top plate, and the top plate is located above the carrier plate; the bottom of roof is installed at the top of montant, and the bottom of montant is equipped with the lug, and the bottom slidable mounting of montant is in the top both sides of support plate, and the lug of montant bottom is connected through the bottom of spring with the support plate.
Optionally, the rotating assembly further comprises: the motor is installed at the top of slide, and the threaded rod is installed to the bottom of motor, and slide slidable mounting is in the spout at roof top.
Optionally, the slider, the top of slider is equipped with the screw hole, and the internally mounted of screw hole has the threaded rod of slide top motor bottom, and slider slidable mounting is in the spout at support plate top, and the side of slider is connected with the cylinder of main part top rear side.
Optionally, the rotating assembly further comprises: the rotating piece is arranged at the bottom end of a threaded rod at the bottom of the motor at the top of the sliding plate, a nozzle is arranged at the top of the outer side of the rotating piece, and the nozzle is connected with the water tank through a hose; the vertical groove is of a T-shaped structure and is arranged on the outer side of the rotating piece.
Optionally, the rotating assembly further comprises: the edge of the top of the inner side of the protective cover is provided with a slot, and the protective cover is positioned on the outer side of the rotating piece; the top of the inner end of the sliding rod is slidably mounted in the vertical groove through a spring, and the outer end of the sliding rod is slidably mounted in the groove in the edge position of the top of the inner side of the protective cover.
Optionally, the material taking mechanism comprises: the side surface of the guide plate is of an inclined structure, and the top of the guide plate is arranged at the front position of the bottom of the main body through a connecting rod; the rotating rod is rotatably installed at the front side position of the top of the main body.
Optionally, the material taking mechanism further comprises: the outer rod is of a cylindrical structure, a groove is formed in the side end of the outer rod, and the outer rod is installed at the bottom of the rotating rod; the striking piece, the outer end of striking piece is spherical structure, and the inner of striking piece passes through spring slidable mounting in the recess of outer pole outer end, and the outer end slidable mounting of striking piece in the outside of rotating member.
Advantageous effects
1. Compared with the traditional sampling device, the sampling device provided by the embodiments of the invention has the advantages that the core taken out from the rotating member is guided outwards by the guide plate, and the inclined structure of the guide plate enables the core to be gathered at the front side of the bottom of the main body, so that the core sampling device is convenient for workers to take.
2. The water droplet of throwing away on to the drill bit through using the protection casing blocks, the inner that uses the slide bar under the effect of spring slides in the inside of erecting the groove, and the outer end of slide bar removes in the fluting of the inboard top edge of protection casing, make the protection casing follow the removal of rotating member and remove, make the protection casing place subaerial, protect the periphery of drilling, thereby the water droplet of throwing away on the rotating member blocks, prevent to throw away the work load that has increased the later stage on the sampling device and carry out the clearance, prevent simultaneously that the water droplet of throwing away from dropping on the staff's one's body the condition, prevent that water from dropping on other places and causing the more muddy condition in sample scene ground.
3. The rock core in the rotating member is taken out by using the impact block, the top of the rotating rod is blocked, the outer rod is made to drive the inner side of the impact block to impact the rotating member, the impact blocks at three positions apply the same impact force to the rotating member, the speed of falling of the rock core from the rotating member is accelerated, the rock core is knocked relative to the rotating member through the hammer, knocking tools such as the hammer are not required to be carried, meanwhile, the condition that the rock core cannot be taken out timely is prevented from being omitted or lost, and the sampling work is guaranteed to be carried out orderly.
4. Through using the slider to drive the rotating member and remove, make the core in the rotating member leave the top of drilling, the cylinder of main part top rear side promotes the slider and removes along the spout at support plate top, prevents that the core in the rotating member from taking out the condition that the back part falls in the drilling once more, leads to the sample weight less, leads to the measuring result in the later stage to have the error.
In addition, the supporting legs are used for supporting the height of the main body, the inserting rod is inserted into the ground, the stability of the main body is improved, and meanwhile, the inserting rod is retracted into the inner sides of the supporting legs when the main body is carried, and the sharp inserting rod is prevented from scratching workers.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings in the following description relate to some embodiments of the invention only and are not intended to limit the invention.
In the drawings:
FIG. 1 shows an overall structural schematic according to an embodiment of the invention;
FIG. 2 shows a schematic bottom structure according to an embodiment of the invention;
FIG. 3 shows a schematic half-section of a body according to an embodiment of the invention;
figure 4 shows a schematic perspective view of an inner rod according to an embodiment of the present invention;
fig. 5 shows a schematic half-section of a carrier plate according to an embodiment of the invention;
FIG. 6 shows a schematic perspective view of a top plate according to an embodiment of the invention;
FIG. 7 shows a perspective view of a guide plate according to an embodiment of the invention;
FIG. 8 shows a schematic half-section of an outer rod according to an embodiment of the present invention.
List of reference numerals
1. A main body; 101. a water tank; 102. a support leg; 103. an inner rod; 104. inserting a rod; 105. a side plate; 106. pushing the plate;
2. a rotating assembly; 201. a carrier plate; 202. a top plate; 203. a vertical rod; 204. a slide plate; 205. a slider; 206. a rotating member; 207. a vertical slot; 208. a protective cover; 209. a slide bar;
3. a material taking mechanism; 301. a guide plate; 302. a rotating rod; 303. an outer rod; 304. and (4) striking the block.
Detailed Description
In order to make the objects, aspects and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. Unless otherwise indicated, terms used herein have the ordinary meaning in the art. Like reference symbols in the various drawings indicate like elements.
Example (b): please refer to fig. 1 to 8:
the invention provides a sampling device for geological structure survey, which comprises: the air cylinder is arranged on the rear side of the top of the main body 1 through a connecting plate, a groove is formed in the middle of the top of the main body 1, the groove is of a circular structure, and a rotating assembly 2 is arranged on the top of the main body 1; the rotating assembly 2 comprises a support plate 201, a support plate is arranged at the bottom of the support plate 201, the bottom of the support plate is arranged at the top of the main body 1, the support plate at the bottom of the support plate 201 is positioned at two sides of the groove formed at the top of the main body 1, and a sliding groove is formed at the top of the support plate 201; the material taking mechanism 3 is arranged at the bottom of the main body 1, and the material taking mechanism 3 is arranged at the bottom of the main body 1.
As shown in fig. 1, 2, 3 and 4, the main body 1 includes: a water tank 101, the water tank 101 being installed at the top rear side of the main body 1; the supporting leg 102 is of a cylindrical structure, the supporting leg 102 is installed at the included angle position of the bottom edge of the main body 1, a groove is formed in the side face of the top of the supporting leg 102, and four grooves are formed in the bottom of the supporting leg 102; the inner rod 103 is arranged on the inner side of the supporting leg 102 in a sliding mode; the inserting rod 104 is of a conical structure, the inserting rod 104 is installed at the bottom of the inner rod 103, when the inserting rod 104 is not used, the threaded rod at the top of the push plate 106 rotates in the opposite direction, the inner rod 103 drives the inserting rod 104 to retract into the inner side of the supporting leg 102, meanwhile, the side plate 105 retracts into the groove in the side face of the bottom of the supporting leg 102 under the driving of the spring, the situation that a worker is injured due to the sharp inserting rod 104 in the carrying process is prevented, and the carrying safety is improved;
the inner side of the side plate 105 is of an inclined structure, a pulley is mounted at the bottom of the side plate 105, the top of the side plate 105 is mounted at the bottom of the inner rod 103 through a rotating shaft, the side plate 105 is mounted in a groove at the bottom of the supporting leg 102, and the top of the inner side of the side plate 105 is connected with the outer side of the inserted link 104 through a spring; push pedal 106, the threaded rod is installed at the top of push pedal 106, the threaded rod is installed in the top both sides of main part 1, and the both ends of push pedal 106 run through the fluting of landing leg 102 top side and be connected with interior pole 103's top, install water tank 101 at the top of main part 1, a water for storing the cooling to rotating member 206, landing leg 102 is installed to the position of the bottom edge contained angle of main part 1, the threaded rod drive push pedal 106 downstream at rotation push pedal 106 top, 103 removes in the inboard of landing leg 102 in the both ends drive of messenger's push pedal 106, it inserts in the ground to make interior pole 103 promote inserted bar 104, increase the stability of main part 1, when interior pole 103 downstream simultaneously, its bottom drives four places curb plate 105 through the pivot and outwards removes in the recess of landing leg 102 bottom, make curb plate 105 expand, further increase the stability of main part 1.
As shown in fig. 5 and 6, the rotating assembly 2 further includes: the top plate 202, the top plate 202 is a circular structure, the top of the top plate 202 is provided with a sliding chute, and the top plate 202 is located above the carrier plate 201; the top of the vertical rod 203 is provided with the bottom of the top plate 202, the bottom of the vertical rod 203 is provided with a convex block, the bottom of the vertical rod 203 is slidably arranged on two sides of the top of the carrier plate 201, and the convex block at the bottom of the vertical rod 203 is connected with the bottom of the carrier plate 201 through a spring; a motor is mounted at the top of the sliding plate 204, a threaded rod is mounted at the bottom of the motor, and the sliding plate 204 is slidably mounted in a sliding groove at the top of the top plate 202; a threaded hole is formed in the top of the sliding block 205, a threaded rod at the bottom of a motor at the top of the sliding plate 204 is installed inside the threaded hole, the sliding block 205 is installed in a sliding groove in the top of the carrier plate 201 in a sliding mode, and the side face of the sliding block 205 is connected with a cylinder on the rear side of the top of the main body 1; the rotating piece 206, the rotating piece 206 is installed at the bottom end of the threaded rod at the bottom of the motor at the top of the sliding plate 204, and the top of the outer side of the rotating piece 206 is provided with a nozzle which is connected with the water tank 101 through a hose; a vertical slot 207, the vertical slot 207 is a T-shaped structure, the vertical slot 207 is arranged outside the rotating member 206, the carrier plate 201 is arranged on the top of the main body 1, the threaded rod is driven to rotate by a motor on the top of the sliding plate 204, when the threaded rod rotates in a threaded hole on the top of the sliding block 205, the bottom end of the threaded rod pushes the rotating member 206 to rotate and move downwards, the top plate 202 moves downwards, the vertical rod 203 moves downwards on the top of the carrier plate 201, the vertical rod 203 keeps the position of the top plate 202, the rotating member 206 samples rock strata, meanwhile, the inner end of the sliding rod 209 moves in the vertical slot 207 under the action of a spring, the outer end of the sliding rod 209 rotates in a groove on the inner top edge of the protective cover 208, the protective cover 208 moves upwards and downwards along with the rotating member 206, water flow in the water tank 101 enters a nozzle on the outer side of the top of the rotating member 206 through a hose, and is cooled along with the bottom of the rotating member 206, when the rotating member 206 is inserted into the formation, the shield 208 is placed on the ground outside the borehole to prevent water droplets carried by the rotating member 206 from splashing elsewhere or onto the personnel;
a slot is arranged at the edge position of the top of the inner side of the protective cover 208, and the protective cover 208 is positioned at the outer side of the rotating piece 206; slide bar 209, the top of slide bar 209 inner is passed through spring slidable mounting in the inside of erecting groove 207, and the outer end slidable mounting of slide bar 209 is in the fluting of the inboard top border position of protection casing 208, when motor drive threaded rod opposite direction was rotatory, then the threaded rod upwards moves in the threaded hole at slider 205 top, make revolving part 206 drive the core leave the drilling, make montant 203 rebound under the effect of spring, make roof 202 resume original position, the cylinder at rethread main part 1 top promotes slider 205 and moves along the spout at support plate 201 top, make revolving part 206 move the front side position of main part 1, be convenient for take out the core in the revolving part 206.
As shown in fig. 7 and 8, the material taking mechanism 3 includes: the side surface of the guide plate 301 is of an inclined structure, and the top of the guide plate 301 is arranged at the front position of the bottom of the main body 1 through a connecting rod; the rotating rod 302 is rotatably arranged at the outer rod 303 at the front side of the top of the main body 1, the outer rod 303 is of a cylindrical structure, a groove is formed in the side end of the outer rod 303, and the outer rod 303 is arranged at the bottom of the rotating rod 302; the outer end of the impact block 304 is of a spherical structure, the inner end of the impact block 304 is slidably mounted in a groove at the outer end of the outer rod 303 through a spring, the outer end of the impact block 304 is slidably mounted at the outer side of the rotating member 206, the top of the rotating rod 302 is rotated at the front side of the main body 1, the bottom of the rotating rod 302 drives the outer rod 303 to rotate, the outer rod 303 drives the impact block 304 to impact the outer side of the rotating member 206, impact force is uniformly applied to the rotating member 206 by a plurality of impact blocks 304, the rotating member 206 is vibrated, the core is taken out quickly, when the impact block 304 impacts the rotating member 206, the inner end of the impact block 304 moves at the inner side of the outer rod 303, the spring at the inner end of the impact block 304 is contracted, the impact block 304 slides over the outer side of the rotating member 206, the impact block 304 is prevented from moving, tools such as other hammers are not needed, and the core in the rotating member 206 is taken out more conveniently, the core taken out falls on the guide plate 301, and the inclined side surface of the guide plate 301 guides the core to the front side, so that the core is convenient for workers to collect.
In another embodiment, a servo motor is installed on the top of the main body 1, and the servo motor is used to drive the rotating rod 302 to rotate, so that the rotating rod 302 rotates at a constant speed, the rotating speed of the impact block 304 is stabilized, and the workload of the worker in rotating is reduced.
The specific use mode and function of the embodiment are as follows: in the invention, when geological structure exploration is carried out, firstly, a main body 1 is placed on a proper ground, a threaded rod is rotated to drive a push plate 106 to move downwards, two ends of the push plate 106 drive an inner rod 103 to push an inserting rod 104 to be inserted into the ground at the inner side of a supporting leg 102, meanwhile, the inner rod 103 drives four side plates 105 to be unfolded through a rotating shaft, the stability of the main body 1 is improved, then, a motor at the top of a sliding plate 204 drives the threaded rod to rotate, the threaded rod rotates and moves downwards in a threaded hole at the top of a sliding block 205, the threaded rod drives a rotating part 206 to sample rock strata, meanwhile, the inner end of a sliding rod 209 moves in a vertical groove 207, the outer end of the sliding rod 209 rotates in a groove at the inner top edge of a protective cover 208, the protective cover 208 is placed on the ground to block water drops brought out by the rotating part 206, the motor drives the threaded rod to rotate in the opposite direction, the rotating part 206 drives a rock core to leave a drill hole, then, the sliding block 205 is pushed to move along a sliding groove at the top of a supporting plate 201 through a cylinder at the top of the main body 1, make the rotating member 206 move the front side position of main part 1, rotate bull stick 302 again and drive outer pole 303 rotatory, outer pole 303 drives the outside that strikes piece 304 striking rotating member 206, makes the vibration of rotating member 206 accelerate taking out of core, and the core that takes out falls on deflector 301 and leads to the front side, and the staff of being convenient for collects and takes a sample.
Finally, it should be noted that, when describing the positions of the components and the matching relationship therebetween, the present invention is usually illustrated by one/a pair of components, however, it should be understood by those skilled in the art that such positions, matching relationship, etc. are also applicable to other/other pairs of components.
The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.
Claims (10)
1. A sampling device for geologic survey, comprising: the air cylinder is installed on the rear side of the top of the main body (1) through a connecting plate, a groove is formed in the middle of the top of the main body (1), and the rotating assembly (2) is installed on the top of the main body (1);
the rotating assembly (2) comprises: the device comprises a sliding plate (204), a rotating piece (206) and a protective cover (208), wherein a motor is installed at the top of the sliding plate (204), and a threaded rod is installed at the bottom of the motor; the rotating piece (206) is arranged at the bottom end of a threaded rod at the bottom of a motor at the top of the sliding plate (204); the edge of the top of the inner side of the protective cover (208) is provided with a slot, and the protective cover (208) is positioned on the outer side of the rotating piece (206);
the material taking mechanism (3) is arranged at the bottom of the main body (1).
2. A sampling device for geologic survey as defined in claim 1, wherein: the main body (1) comprises: a water tank (101), wherein the water tank (101) is installed at the rear side of the top of the main body (1); the supporting leg (102) is arranged at the included angle position of the edge of the bottom of the main body (1), a groove is formed in the side face of the top of the supporting leg (102), and four grooves are formed in the bottom of the supporting leg (102).
3. A sampling device for geologic survey as defined in claim 1, wherein: the main body (1) further comprises: the inner rod (103), the inner rod (103) is installed inside the supporting leg (102) in a sliding mode; the inserting rod (104) is of a conical structure, and the inserting rod (104) is installed at the bottom of the inner rod (103).
4. A sampling device for geologic survey as defined in claim 1, wherein: the main body (1) further comprises: the bottom of the side plate (105) is provided with a pulley, the top of the side plate (105) is arranged at the bottom of the inner rod (103) through a rotating shaft, the side plate (105) is arranged in a groove at the bottom of the supporting leg (102), and the top of the inner side of the side plate (105) is connected with the outer side of the inserted link (104) through a spring; the top of the push plate (106) is provided with a threaded rod, the threaded rod is arranged on two sides of the top of the main body (1), and two ends of the push plate (106) penetrate through the grooves in the side surfaces of the tops of the supporting legs (102) and are connected with the top of the inner rod (103).
5. A sampling device for geologic survey as defined in claim 1, wherein: the rotating assembly (2) further comprises: the support plate comprises a support plate (201), wherein a support plate is arranged at the bottom of the support plate (201), the bottom of the support plate is arranged at the top of the main body (1), the support plate at the bottom of the support plate (201) is positioned at two sides of a groove formed in the top of the main body (1), and a sliding groove is formed in the top of the support plate (201); the top of the top plate (202) is provided with a sliding groove, and the top plate (202) is positioned above the carrier plate (201); the bottom of the top plate (202) is installed at the top of the vertical rod (203), a bump is arranged at the bottom of the vertical rod (203), the bottom of the vertical rod (203) is slidably installed on two sides of the top of the carrier plate (201), and the bump at the bottom of the vertical rod (203) is connected with the bottom of the carrier plate (201) through a spring.
6. A sampling device for geologic survey as defined in claim 1, wherein: the rotating assembly (2) further comprises: the sliding plate (204) is slidably arranged in the sliding groove at the top of the top plate (202); the sliding block (205), the top of slider (205) is equipped with the screw hole, and the internally mounted of screw hole has the threaded rod of slide (204) top motor bottom, and slider (205) slidable mounting is in the spout at support plate (201) top, and the side of slider (205) is connected with the cylinder of main part (1) top rear side.
7. A sampling device for geologic survey as defined in claim 2, wherein: the rotating assembly (2) further comprises: the top of the outer side of the rotating piece (206) is provided with a nozzle, and the nozzle is connected with the water tank (101) through a hose; a vertical slot (207), the vertical slot (207) being provided outside the rotary member (206).
8. A sampling device for geologic survey as defined in claim 7, wherein: the rotating assembly (2) further comprises: the top of the inner end of the sliding rod (209) is slidably mounted inside the vertical groove (207) through a spring, and the outer end of the sliding rod (209) is slidably mounted in a groove at the edge position of the top of the inner side of the protective cover (208).
9. A sampling device for geologic survey as defined in claim 1, wherein: the material taking mechanism (3) comprises: the side surface of the guide plate (301) is of an inclined structure, and the top of the guide plate (301) is installed at the front position of the bottom of the main body (1) through a connecting rod; the rotating rod (302), the rotating rod (302) is rotatably arranged at the front position of the top of the main body (1).
10. A sampling device for geologic survey as defined in claim 1, wherein: the material taking mechanism (3) further comprises: the side end of the outer rod (303) is provided with a groove, and the outer rod (303) is arranged at the bottom of the rotating rod (302); the inner end of the striking block (304) is slidably installed in a groove of the outer end of the outer rod (303) through a spring, and the outer end of the striking block (304) is slidably installed on the outer side of the rotating piece (206).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210560545.2A CN114646497B (en) | 2022-05-23 | 2022-05-23 | Sampling device for geological structure survey |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210560545.2A CN114646497B (en) | 2022-05-23 | 2022-05-23 | Sampling device for geological structure survey |
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| CN114646497B CN114646497B (en) | 2022-08-05 |
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