CN219284704U - Rock soil detects layering sampling device - Google Patents
Rock soil detects layering sampling device Download PDFInfo
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- CN219284704U CN219284704U CN202222073889.9U CN202222073889U CN219284704U CN 219284704 U CN219284704 U CN 219284704U CN 202222073889 U CN202222073889 U CN 202222073889U CN 219284704 U CN219284704 U CN 219284704U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Abstract
The utility model provides a rock and soil detection layered sampling device, which relates to the technical field of rock and soil investigation and comprises a bracket, a connecting plate and a positioning plate, wherein a drilling assembly is arranged in the middle of the surface of the positioning plate in a penetrating way, and a driving mechanism for driving the drilling assembly to rotate is arranged at the rear side of the bracket; the drilling assembly comprises a positioning cylinder and a drill rod, wherein the drill rod comprises a threaded drill pipe at the upper end of the drill rod, a sampling cylinder at the lower end of the drill rod and a drill bit at the bottom end of the drill rod; the surface of the sampling tube is provided with a plurality of sampling ports from top to bottom at equal intervals, and the inside of the drill rod is also provided with a sampling assembly; this design is hidden sampling assembly in drilling assembly, when drilling soil to certain degree of depth back, opens the sampling port, stretches out a plurality of sampling pipes by the sampling port through the operation in, inserts the soil internal sampling to different degree of depth, can once only realize the soil sampling of different levels, and the operation is simple and direct moreover, and the sampling pipe can demolish fast simultaneously, both makes things convenient for taking out of soil sample, can clear up it fast again.
Description
Technical Field
The utility model relates to the field of rock and soil investigation, in particular to a rock and soil detection layered sampling device.
Background
Geotechnical engineering investigation is to survey and detect the structure, formation age, cause and soil type of a foundation geotechnical layer, in the process of geotechnical investigation, various equipment such as drilling equipment, soil sampling equipment and the like are needed, in the process of geotechnical investigation, geotechnical properties of different depths are needed to be detected, for example, a layered detection sampling device (CN 211668822U) for geotechnical investigation disclosed in China patent is used for collecting soil of different layers, but the patent still has the defects in the sampling process: when the soil samples of different depth levels are sampled, the soil samples are directly sampled in the descending process of the drilling, the mode easily causes the soil samples sampled in the sampling tube to be mixed with a large amount of soil samples of different depths, the detection side of the soil samples is easily affected, the sampling precision of the soil samples of different depths is insufficient, and the sampled soil samples are not convenient to take out.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a rock-soil detection layered sampling device, which solves the problems raised by the background technology.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the rock and soil detection layered sampling device comprises a bracket, a connecting plate arranged on the front side of the bracket and a positioning plate vertically connected with the connecting plate, wherein a drilling assembly for drilling rock and soil is arranged in the middle of the surface of the positioning plate in a penetrating manner, and a driving mechanism for driving the drilling assembly to rotate is arranged on the rear side of the bracket;
the drilling assembly comprises a positioning cylinder arranged in the middle of the surface of the positioning plate, the bottom of the positioning cylinder is rotationally connected with the positioning plate through a bearing, a drill rod penetrates through the middle thread of the positioning cylinder, and the drill rod comprises a threaded drill pipe at the upper end of the drill rod, a sampling cylinder at the lower end of the drill rod and a drill bit at the bottom end of the drill rod;
the surface of the sampling tube is provided with a plurality of sampling ports from top to bottom at equal intervals, and a sampling assembly is further arranged in the drill rod.
As a further technical scheme of the utility model, the sampling assembly comprises a rotating wheel arranged at the top end of a threaded drill pipe, the lower end of the rotating wheel is connected with a central rod extending to the threaded drill pipe and the inside of a sampling tube, a plurality of driving gears are distributed on the central rod at equal intervals in the sampling tube, a limiting seat is arranged in the sampling tube corresponding to each driving gear, a rack meshed with the driving gears is connected on the inner side of the limiting seat in a sliding manner, a mounting rod connected with the inner wall of the sampling tube is mounted on the rear side of the limiting seat, and a sampling tube is mounted at one end of the rack corresponding to the sampling port.
As a further technical scheme of the utility model, the threaded drill pipe, the sampling tube and the drill bit are integrally arranged, the threaded drill pipe and the sampling tube are of hollow structures, threads are arranged on the surface of the threaded drill pipe and the inner wall of the positioning tube, and the threaded drill pipe is in threaded connection with the positioning tube.
As a further technical scheme of the utility model, a threaded cylinder seat is arranged at one end of the rack corresponding to the sampling tube, threads are arranged on the inner wall of the threaded cylinder seat and the outer wall of one end of the sampling tube, one end of the sampling tube is in threaded connection with the threaded cylinder seat, and the other end of the sampling tube is provided with an inclined opening.
As a further technical scheme of the utility model, the top end of the central rod penetrates through the threaded drill pipe to be fixedly connected with the rotating wheel, and the bottom end of the central rod extends to the bottom of the sampling tube and is rotatably connected with the sampling tube.
As a further technical scheme of the utility model, an arc-shaped section is arranged on the top end surface of the threaded drill pipe, a limit groove is arranged on the arc-shaped section, and a sealing plate extending to the inside of the drill rod is inserted into the limit groove;
the side of the upper end of the sealing plate is provided with scale marks, the lower end of the side of the sealing plate is provided with sealing holes with the same number and size as the sampling holes, and the length of the sealing plate is matched with the sum of the lengths of the threaded drill pipe and the sampling tube.
As a further technical scheme of the utility model, the driving mechanism comprises a power box arranged at the rear side of the bracket, a driving motor is arranged on the upper surface of the power box, the output end of the driving motor is connected with a belt pulley, the surface of the belt pulley is sheathed with a belt, the outer surface of the positioning cylinder is provided with a belt groove, and the belt pulley is connected with the positioning cylinder through the belt;
the outer side face of the power supply box is also provided with a controller.
As a further technical scheme of the utility model, the bottom of the bracket is provided with a bottom frame, the bottom ends of four corners of the bottom frame are respectively provided with a positioning cone, and two travelling wheels are symmetrically arranged at the rear side of the bottom end of the bracket positioned on the bottom frame;
the top of support is provided with the handrail frame, and the bottom middle part of support is connected with the spacing collar, the spacing collar is located the department under the drilling rod.
Advantageous effects
The utility model provides a rock-soil detection stratified sampling device, which has the following beneficial effects compared with the prior art:
1. this design's a rock soil detects layering sampling device, this design is hidden sampling assembly in drilling assembly, after to the soil drilling to certain degree of depth, open the sampling mouth, stretch out a plurality of sampling pipes by the sampling mouth in through the operation, insert the soil internal sampling to different degree of depth, after the sample is accomplished, the sampling tube is retracted in the drilling rod, seal the sampling mouth, then rise the drilling rod to exposing ground, open the sampling mouth, pull down the sampling tube, take out the soil sample, can once only realize the soil sampling of different levels, and the operation is simple and direct, the sampling tube can be demolishd fast simultaneously, both make things convenient for taking out of soil sample, can clear up it fast again.
2. According to the rock soil detection layered sampling device, the sealing plate and the scale marks on the sealing plate are matched, after the sealing plate is drilled into a certain depth, the sealing plate is lifted upwards to a certain scale, the sampling port can be opened, sampling of sampling pipes can be conveniently conducted, and secondly, the sampling pipes are matched with the rack through the driving gear, so that synchronous sampling is achieved, the operation is convenient, and the sampling of a plurality of different soil layers can be completed once.
Drawings
FIG. 1 is a schematic diagram of a rock and soil detection layered sampling device;
FIG. 2 is another view of a rock and soil testing stratified sampling device;
FIG. 3 is a schematic view of a threaded drill pipe in a rock and soil testing stratified sampling device;
FIG. 4 is a schematic structural view of a sealing plate in a rock-soil detection layered sampling device;
FIG. 5 is a schematic diagram of a sampling assembly of a rock and soil testing stratified sampling device;
FIG. 6 is a schematic diagram of the structure of the sampling assembly and the center rod in a rock-soil testing stratified sampling apparatus.
In the figure: 1. a bracket; 2. a chassis; 3. positioning cone; 4. a walking wheel; 5. a power supply box; 51. a controller; 52. a driving motor; 53. a belt pulley; 6. a threaded drill pipe; 61. a connecting plate; 62. a positioning plate; 63. a positioning cylinder; 64. a sampling tube; 65. a sampling port; 66. a drill bit; 67. a limit groove; 68. sealing plate; 681. scale marks; 682. closing the hole; 69. a rotating wheel; 691. a central rod; 692. a drive gear; 693. a mounting rod; 694. a rack; 695. a limit seat; 696. a sampling tube; 697. a threaded cylinder seat; 7. a handrail frame; 8. and a limit ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, the present utility model provides a technical solution for a rock-soil detection layered sampling device: the rock and soil detection layered sampling device comprises a bracket 1, a connecting plate 61 arranged on the front side of the bracket 1, and a positioning plate 62 vertically connected with the connecting plate 61, wherein a drilling assembly for drilling the rock and soil is arranged in the middle of the surface of the positioning plate 62 in a penetrating manner, and a driving mechanism for driving the drilling assembly to rotate is arranged on the rear side of the bracket 1;
as shown in fig. 1, 2 and 3, the drilling assembly comprises a positioning cylinder 63 installed in the middle of the surface of a positioning plate 62, the bottom of the positioning cylinder 63 is rotationally connected with the positioning plate 62 through a bearing, a drill rod penetrates through the middle thread of the positioning cylinder 63, the drill rod comprises a threaded drill pipe 6 at the upper end of the drill rod, a sampling cylinder 64 at the lower end of the drill rod and a drill bit 66 at the bottom end of the drill rod, the drill bit 66 is in a metal conical shape, the threaded drill pipe 6, the sampling cylinder 64 and the drill bit 66 are integrally arranged, the threaded drill pipe 6 and the sampling cylinder 64 are in hollow structures, threads are arranged on the surface of the threaded drill pipe 6 and the inner wall of the positioning cylinder 63, the threaded drill pipe 6 is in threaded connection with the positioning cylinder 63, and the threaded drill pipe 6 can be driven to ascend or descend through the rotation of the positioning cylinder 63, so that the drill bit 66 is driven to drill rock and soil;
as shown in fig. 3, a plurality of sampling ports 65 are formed in the surface of the sampling tube 64 from top to bottom at equal intervals, a sampling assembly is further arranged in the drill rod, as shown in fig. 5 and 6, the sampling assembly comprises a rotating wheel 69 arranged at the top end of the threaded drilling tube 6, a central rod 691 extending to the threaded drilling tube 6 and the inside of the sampling tube 64 is connected to the lower end of the rotating wheel 69, a plurality of driving gears 692 are distributed at equal intervals on the central rod 691 in the interior of the sampling tube 64, the driving gears 692 are fixedly arranged on the central rod 691, the driving gears 692 can synchronously drive the plurality of driving gears 692 to rotate through rotation of the rotating wheel 69, a limiting seat 695 is arranged in the interior of the sampling tube 64 corresponding to each driving gear 692, a rack 694 meshed with the driving gears 692 is connected to the inner side of the limiting seat 695 in a sliding manner, a sliding groove is formed in the inner side of the limiting seat 695, the rack 694 can be limited by utilizing the limiting seat 695, the directional sliding of the rack 694 can be conveniently carried out, the rear side of the limiting seat 695 is installed on the inner wall of the sampling tube 693, the sampling tube 696 can be inserted into the sampling tube 696 from the sampling tube 696 to the inner wall of the sampling tube 696, and the sampling tube can be correspondingly arranged in the sampling tube 696, and the sampling tube can be inserted into the sampling tube 64 from the sampling tube by the position to be correspondingly arranged at one end of the sampling tube 696 to be correspondingly arranged in the position to the sampling tube 64;
as shown in fig. 5 and 6, a threaded cylinder seat 697 is installed at the position, corresponding to the sampling pipe 696, of one end of the rack 694, threads are arranged on the inner wall of the threaded cylinder seat 697 and on the outer wall of one end of the sampling pipe 696, one end of the sampling pipe 696 is in threaded connection with the threaded cylinder seat 697, the sampling pipe 696 and the rack 694 are designed to be detachable, the soil sample in the sampling pipe 696 can be taken out conveniently by utilizing threaded connection and can be directly detached after the sampling pipe 696 is sampled, and the soil sample is taken out and then is directly screwed into the threaded cylinder seat 697 at one end of the rack 694, and the other end of the sampling pipe 696 is in a bevel connection, so that the sampling pipe 696 is more beneficial to being inserted into rock soil and the sharpness of the insertion of the sampling pipe 696 is improved;
as shown in fig. 3 and 5, the top end of the central rod 691 is fixedly connected with the rotating wheel 69 through the threaded drill pipe 6, and the bottom end of the central rod 691 extends to the bottom of the sampling tube 64 and is rotatably connected with the same, and the rotating wheel 69 is positioned on the upper end surface of the threaded drill pipe 6, and the outer side edge of the rotating wheel does not exceed the outer edge of the threaded drill pipe 6, so that the drill rod can be removed from the positioning tube 63 for the convenience of later maintenance or replacement;
as shown in fig. 3 and 4, an arc-shaped section is formed on the top end surface of the threaded drill pipe 6, a limit groove 67 is formed on the arc-shaped section, a sealing plate 68 extending to the inside of the drill pipe is inserted into the limit groove 67, scale marks 681 are arranged on the side surface of the upper end of the sealing plate 68, sealing holes 682 which are the same in number and size as those of the sampling holes 65 are formed at the position, corresponding to the sampling holes 65, of the lower end of the side surface of the sealing plate 68, the length of the sealing plate 68 is matched with the sum of the lengths of the threaded drill pipe 6 and the sampling tube 64, when the sealing plate 68 is inserted into the drill pipe from the limit groove 67, the sealing plate 68 is tightly attached to the inner wall of the drill pipe, namely the inner wall of the threaded drill pipe 6 and the inner wall of the sampling tube 64, and after the sealing plate 68 is completely inserted, the sampling holes 65 are just plugged, when sampling is needed, the sealing plate 68 is lifted up according to the scale marks 681 on the sealing plate 68, after a certain scale mark is lifted, the sealing holes 682 on the sealing plate 68 are correspondingly overlapped with the sampling holes 65, so that the sampling holes 65 can be opened, and the sampling holes 65 are conveniently stretched out of the sampling holes 696.
As shown in fig. 2, the driving mechanism comprises a power box 5 arranged at the rear side of the bracket 1, a driving motor 52 is arranged on the upper surface of the power box 5, a belt pulley 53 is connected to the output end of the driving motor 52, a belt is sleeved on the surface of the belt pulley 53, a belt groove is formed in the outer surface of a positioning cylinder 63, and the belt pulley 53 is connected with the positioning cylinder 63 through the belt; the driving motor 52 is controlled by the controller 51 to work, and the belt can be driven by the belt pulley 53 to drive, so that the belt drives the positioning cylinder 63 to rotate, and when the positioning cylinder 63 rotates, the positioning cylinder is in threaded connection with the threaded drill pipe 6, so that the threaded drill pipe 6 is driven to move downwards or upwards, and the controller 51 is further arranged on the outer side face of the power box 5.
As shown in fig. 1 and 2, the bottom of the bracket 1 is provided with a bottom frame 2, the bottom ends of four corners of the bottom frame 2 are all provided with positioning cones 3, the design of the positioning cones 3 is adopted, so that the stability of the bracket 1 is conveniently improved during drilling and sampling, two travelling wheels 4 are symmetrically arranged at the rear side of the bottom end of the bracket 1 positioned on the bottom frame 2, the travelling wheels 4 are designed, the handrail frame 7 is conveniently grasped during moving the equipment, the equipment is inclined backwards, the positioning cones 3 are tilted, and the equipment can be pushed to move by using the travelling wheels 4;
as shown in fig. 2, the top of the support 1 is provided with a handrail frame 7, and the middle part of the bottom of the support 1 is connected with a limit ring 8, the limit ring 8 is positioned under the drill rod, and the drill rod can be rotated and moved downwards to be limited by using the limit ring 8, and the inner diameter of the limit ring 8 is larger than the outer diameter of the drill rod.
The working principle of the utility model is as follows: when the device is used, the device is moved to a place to be sampled, then the device is erected, the locating cone 3 is inserted into soil, the driving motor 52 is controlled to rotate positively by the controller 51, and then the driving motor 52 drives the locating cylinder 63 to rotate through the transmission of the belt pulley 53 and the belt, so that the threaded drill pipe 6 at the upper end of the drill rod moves downwards along the center rotation of the locating cylinder 63, and the drill bit 66 rotates in the downwards moving process to drill the soil;
after the sampling device descends to a certain depth, the driving motor 52 is stopped to rotate, the sealing plate 68 is lifted upwards, a certain scale opening is lifted, and the sealing hole 682 on the sealing plate 68 is correspondingly overlapped with the sampling opening 65, so that the sampling opening 65 can be opened;
then, the rotating wheel 69 is rotated forward to drive the central rod 691 to rotate, then the driving gears 692 are synchronously driven to rotate, the driving gears 692 are toothed to drive the racks 694 to move out of the limiting seat 695, namely, the sampling pipes 696 are synchronously driven to extend out of the sampling ports 65, and one end of the sampling pipe 696 with a bevel port is inserted into soil to realize soil sampling;
after sampling is completed, reversely rotating the rotating wheel 69, retracting the sampling tube 696 into the sampling tube 64, resetting the sealing plate 68, sealing the sampling port 65, controlling the driving motor 52 to reversely rotate, transmitting the positioning tube 63 to enable the threaded drilling tube 6 to ascend, after the sampling port 65 is exposed out of the ground, extending the sampling tube 696 out of the sampling port 65 according to the sampling operation, screwing the sampling tube 696 out of the threaded tube seat 697 at one end of the rack 694, removing the sampling tube 696, and taking out soil in the sampling tube 696;
after the soil sampling is completed, the sampling pipes 696 are cleaned and screwed into the threaded cylinder seats 697 to be sampled again, and the intervals among the sampling pipes 696 are different, so that the soil sampling at different levels can be realized.
Claims (5)
1. The rock and soil detection layered sampling device comprises a support (1) and is characterized by further comprising a connecting plate (61) arranged on the front side of the support (1) and a positioning plate (62) vertically connected with the connecting plate (61), wherein a drilling assembly for drilling rock and soil is arranged in the middle of the surface of the positioning plate (62), and a driving mechanism for driving the drilling assembly to rotate is arranged on the rear side of the support (1);
the drilling assembly comprises a positioning cylinder (63) arranged in the middle of the surface of a positioning plate (62), the bottom of the positioning cylinder (63) is rotationally connected with the positioning plate (62) through a bearing, a drill rod penetrates through the middle thread of the positioning cylinder (63), and the drill rod comprises a threaded drill pipe (6) at the upper end of the drill rod, a sampling cylinder (64) at the lower end of the drill rod and a drill bit (66) at the bottom end of the drill rod;
the surface of the sampling tube (64) is provided with a plurality of sampling ports (65) from top to bottom at equal intervals, and a sampling assembly is also arranged in the drill rod;
the sampling assembly comprises a rotating wheel (69) arranged at the top end of a threaded drill pipe (6), the lower end of the rotating wheel (69) is connected with a central rod (691) extending to the inside of the threaded drill pipe (6) and a sampling tube (64), a plurality of driving gears (692) are distributed on the central rod (691) at equal intervals in the sampling tube (64), a limiting seat (695) is arranged in the sampling tube (64) corresponding to each driving gear (692), a rack (694) meshed with the driving gears (692) is connected to the inner side of the limiting seat (695) in a sliding manner, a mounting rod (693) connected with the inner wall of the sampling tube (64) is arranged on the rear side of the limiting seat (695), and a sampling tube (696) is arranged at one end of the rack (694) corresponding to the sampling port (65);
a threaded cylinder seat (697) is arranged at one end of the rack (694) corresponding to the sampling tube (696), threads are arranged on the inner wall of the threaded cylinder seat (697) and the outer wall of one end of the sampling tube (696), one end of the sampling tube (696) is in threaded connection with the threaded cylinder seat (697), and the other end of the sampling tube (696) is a bevel connection;
the top end of the center rod (691) penetrates through the threaded drill pipe (6) to be fixedly connected with the rotating wheel (69), and the bottom end of the center rod (691) extends to the bottom of the sampling tube (64) and is rotatably connected with the sampling tube.
2. The rock and soil detection stratified sampling device according to claim 1, wherein the threaded drill pipe (6) is integrally arranged with the sampling tube (64) and the drill bit (66), the threaded drill pipe (6) and the sampling tube (64) are of hollow structures, threads are arranged on the surface of the threaded drill pipe (6) and the inner wall of the positioning tube (63), and the threaded drill pipe (6) is in threaded connection with the positioning tube (63).
3. The rock and soil detection layered sampling device according to claim 1, wherein an arc-shaped tangential plane is formed on the top end surface of the threaded drill pipe (6), a limit groove (67) is formed on the arc-shaped tangential plane, and a sealing plate (68) extending into the drill rod is inserted into the limit groove (67);
the side face of the upper end of the sealing plate (68) is provided with scale marks (681), the side face lower end of the sealing plate (68) is provided with sealing holes (682) which are the same as the sampling holes (65) in number and size at the position corresponding to the sampling holes (65), and the length of the sealing plate (68) is matched with the sum of the lengths of the threaded drill pipe (6) and the sampling tube (64).
4. The rock and soil detection stratified sampling device according to claim 1, wherein the driving mechanism comprises a power box (5) arranged at the rear side of the bracket (1), a driving motor (52) is arranged on the upper surface of the power box (5), a belt pulley (53) is connected to the output end of the driving motor (52), a belt is sleeved on the surface of the belt pulley (53), a belt groove is formed in the outer surface of the positioning cylinder (63), and the belt pulley (53) is connected with the positioning cylinder (63) through the belt;
the outer side surface of the power box (5) is also provided with a controller (51).
5. The rock and soil detection stratified sampling device according to claim 1, wherein the bottom of the support (1) is provided with a bottom frame (2), positioning cones (3) are arranged at the bottom ends of four corners of the bottom frame (2), and two travelling wheels (4) are symmetrically arranged at the bottom end of the support (1) at the rear side of the bottom frame (2);
the top of support (1) is provided with handrail frame (7), and the bottom middle part of support (1) is connected with spacing collar (8), spacing collar (8) are located the department under the drilling rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222073889.9U CN219284704U (en) | 2022-08-08 | 2022-08-08 | Rock soil detects layering sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222073889.9U CN219284704U (en) | 2022-08-08 | 2022-08-08 | Rock soil detects layering sampling device |
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| Publication Number | Publication Date |
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| CN219284704U true CN219284704U (en) | 2023-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222073889.9U Active CN219284704U (en) | 2022-08-08 | 2022-08-08 | Rock soil detects layering sampling device |
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| CN (1) | CN219284704U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117571379A (en) * | 2024-01-17 | 2024-02-20 | 中国地质大学（北京） | Transverse sampling device and sampling method for engineering geological investigation |
| CN117890150A (en) * | 2024-03-14 | 2024-04-16 | 无锡中地钻探装备有限公司 | Shallow layer rock soil sampling assembly for geological exploration |
-
2022
- 2022-08-08 CN CN202222073889.9U patent/CN219284704U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117571379A (en) * | 2024-01-17 | 2024-02-20 | 中国地质大学（北京） | Transverse sampling device and sampling method for engineering geological investigation |
| CN117571379B (en) * | 2024-01-17 | 2024-03-29 | 中国地质大学（北京） | Transverse sampling device and sampling method for engineering geological investigation |
| CN117890150A (en) * | 2024-03-14 | 2024-04-16 | 无锡中地钻探装备有限公司 | Shallow layer rock soil sampling assembly for geological exploration |
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