CN214943988U - Drilling rig for geotechnical engineering investigation - Google Patents
Drilling rig for geotechnical engineering investigation Download PDFInfo
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- CN214943988U CN214943988U CN202121756115.5U CN202121756115U CN214943988U CN 214943988 U CN214943988 U CN 214943988U CN 202121756115 U CN202121756115 U CN 202121756115U CN 214943988 U CN214943988 U CN 214943988U
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- 238000005553 drilling Methods 0.000 title claims abstract description 52
- 238000011835 investigation Methods 0.000 title claims abstract description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 230000002349 favourable effect Effects 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
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Abstract
The utility model discloses a drilling device for geotechnical engineering investigation, driving motor including base and base top, fixed mounting has the drilling rod on driving motor's the output shaft, the top fixedly connected with U-shaped pole of base, and sliding sleeve is equipped with the lifter plate on the U-shaped pole, and driving motor fixed mounting is in the bottom of lifter plate, the top fixed mounting of U-shaped pole has electric telescopic handle, and electric telescopic handle's extension end extends to in the U-shaped pole and with the top fixed connection of lifter plate, the front side fixed connection of lifter plate has the cylinder spirit level, the top of base has seted up the direction perforation; the utility model relates to a rationally, the quick slope adjustment drilling rod of being convenient for makes it guarantee to be vertical state when boring aslope, reaches not influenced by the slope, and the cooperation can drive the drilling rod rotation and move down, realizes can stably drilling out the purpose in vertical hole, improves application scope, satisfies the user demand, is favorable to the use.
Description
Technical Field
The utility model relates to a drilling equipment technical field especially relates to a probing device is used in geotechnical engineering reconnaissance.
Background
The drilling is one of the main means of the geotechnical engineering investigation, the aim of the geotechnical engineering investigation is mainly to find out the engineering geological conditions, analyze the existing geological problems, and make the engineering geological evaluation on the building area, during the geotechnical investigation, the rock stratum analysis needs to be carried out by adopting the drilling mode, the geological drilling needs to be firstly carried out, and then the probe of the detection instrument is put into the hole to carry out the geological data detection.
Present drilling equipment for geotechnical engineering investigation, it has the shortcoming of being not convenient for stably drill out vertical hole on slope ground most, application scope is more restricted, mainly because mostly can not carry out the slope adjustment drilling rod according to actual conditions, (make and carry out the borehole survey time measuring on slope ground, this moment because drilling equipment or drilling support receive the influence on slope, lead to whole slope, make unable stably drill out vertical hole), can not satisfy the user demand, to this phenomenon, therefore we have provided a drilling equipment for geotechnical engineering investigation, a problem for solve above-mentioned.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the drilling rig for geotechnical engineering reconnaissance who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a drilling device for geotechnical engineering investigation comprises a base and a driving motor arranged above the base, wherein a drill rod is fixedly mounted on an output shaft of the driving motor, a U-shaped rod is fixedly connected to the top of the base, a lifting plate is sleeved on the U-shaped rod in a sliding mode, the driving motor is fixedly mounted at the bottom of the lifting plate, an electric telescopic rod is fixedly mounted at the top of the U-shaped rod, an extending end of the electric telescopic rod extends into the U-shaped rod and is fixedly connected with the top of the lifting plate, a cylindrical level gauge is fixedly connected to the front side of the lifting plate, a guide through hole is formed in the top of the base, and the drill rod is located in the guide through hole and is in movable contact with the inner side of the guide through hole;
a rectangular bottom plate is arranged below the base, two fixing seats are fixedly connected to one side of the top of the rectangular bottom plate, the base is rotatably installed between the two fixing seats, universal wheels with locks are rotatably installed at four corners of the bottom of the rectangular bottom plate, the bottom end of the drill rod extends into the rectangular bottom plate, a supporting plate is fixedly connected to the other side of the top of the rectangular bottom plate, a push handle is fixedly connected to the top of the right side of the supporting plate, a rectangular groove is formed in the left side of the supporting plate, a screw rod is rotatably installed on the inner wall of the bottom of the rectangular groove, the top end of the screw rod extends to the upper side of the supporting plate and is fixedly connected with a rocking disc, two positioning rods positioned on the left side of the screw rod are fixedly connected between the inner wall of the top of the rectangular groove and the inner wall of the bottom of the rectangular groove, the same sliding seat is slidably sleeved on the screw rod, a rectangular groove is formed in the right side of the base, and a rectangular plate is slidably sleeved in the rectangular groove, the right side of the rectangular plate extends out of the base and is hinged with the left side of the sliding seat.
Preferably, two rectangular guide holes are formed in the top of the lifting plate, and the inner walls of the rectangular guide holes are in sliding connection with the outer sides of the U-shaped rods.
Preferably, a first round hole is formed in one side, close to each other, of each of the two fixing seats, a first bearing is fixedly sleeved in the first round hole, a rotating shaft is fixedly connected to the front side and the rear side of the base, and an inner ring of the first bearing is fixedly sleeved with the outer side of the corresponding rotating shaft.
Preferably, the inner wall of the bottom of the rectangular groove is provided with a limiting sliding hole, the bottom of the rectangular plate is fixedly connected with a sliding block, and the sliding block is in sliding connection with the limiting sliding hole.
Preferably, the inner wall of the bottom of the rectangular groove is fixedly connected with a second bearing, the inner wall of the top of the rectangular groove is provided with a second round hole, a third bearing is fixedly sleeved in the second round hole, and the inner ring of the second bearing and the inner ring of the third bearing are welded and fixed with the outer side of the screw rod.
Preferably, the top of the sliding seat is provided with a threaded hole and two third round holes, the side walls of the third round holes are in sliding connection with the outer sides of the corresponding positioning rods, and the threaded hole is in threaded connection with the screw rod.
Preferably, the top fixed mounting of U-shaped pole has the battery, driving motor and electric telescopic handle all with battery electric connection.
Preferably, two magnet pieces of right side fixedly connected with of backup pad, and the bottom of magnet piece adsorbs there is T shape iron inserted bar, and sliding sleeve is equipped with the sliding sleeve with returning shape bottom plate right side fixed connection on the T shape iron inserted bar.
Compared with the prior art, the beneficial effects of the utility model are that:
by matching the base, a driving motor, a U-shaped rod, an electric telescopic rod, a drill rod, a lifting plate, a clip-shaped bottom plate, a guide through hole, a support plate, a rectangular groove, a screw rod, a positioning rod, a sliding seat, a rectangular groove, a rectangular plate, a rocking disc, a cylindrical level meter, a fixed seat and a T-shaped iron insertion rod with a sliding sleeve, when drilling on the ground with a slope, two T-shaped iron insertion rods are downwards stepped to be downwards moved and inserted into the ground, the rocking disc is forwardly rotated to drive the screw rod to rotate, the screw rod can drive the sliding seat to upwards slide on the two positioning rods, the sliding seat drives the base to upwards rotate between two fixed seats through the rectangular plate, when the base rotates, the rectangular groove is driven to slide on the rectangular plate, the base also drives the lifting plate to upwards rotate through the U-shaped rod, the lifting plate drives the drill rod to rotate through the driving motor, and at the moment, the horizontal state of whether the lifting plate rotates can be observed through the cylindrical level meter, when the lifter plate rotates to the horizontality, the drilling rod then is in vertical decurrent state this moment, and the quick slope adjustment drilling rod of being convenient for makes it guarantee to be vertical state, and electric telescopic handle and driving motor are started to the forward, and driving motor's output shaft drives the drilling rod rotation, and electric telescopic handle drives the lifter plate and slides down on the U-shaped pole, and the lifter plate passes through driving motor and drives the drilling rod downstream, and the drilling rod is rotatory and move down and drill out vertical hole this moment.
The utility model relates to a rationally, the quick slope adjustment drilling rod of being convenient for makes it guarantee to be vertical state when boring aslope, reaches not influenced by the slope, and the cooperation can drive the drilling rod rotation and move down, realizes can stably drilling out the purpose in vertical hole, improves application scope, satisfies the user demand, is favorable to the use.
Drawings
Fig. 1 is a schematic structural view of a drilling rig for geotechnical engineering investigation according to the present invention;
fig. 2 is a schematic sectional view of a drilling device for geotechnical engineering investigation according to the present invention;
fig. 3 is the utility model provides a drilling rig for geotechnical engineering investigation adjusts the drill rod to the structural sketch behind vertical on the slope ground.
In the figure: the device comprises a base 1, a driving motor 2, a 3U-shaped rod, an electric telescopic rod 4, a drill rod 5, a lifting plate 6, a 7-shaped bottom plate, a guide through hole 8, a supporting plate 9, a rectangular groove 10, a screw rod 11, a positioning rod 12, a sliding seat 13, a rectangular groove 14, a rectangular plate 15, a rocking disc 16, a cylindrical level meter 17, a fixed seat 18, a 19T-shaped iron inserted rod and a sliding sleeve 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a drilling device for geotechnical engineering investigation comprises a base 1 and a driving motor 2 arranged above the base 1, wherein a drill rod 5 is fixedly arranged on an output shaft of the driving motor 2, the top of the base 1 is fixedly connected with a U-shaped rod 3, a lifting plate 6 is sleeved on the U-shaped rod 3 in a sliding manner, the driving motor 2 is fixedly arranged at the bottom of the lifting plate 6, an electric telescopic rod 4 is fixedly arranged at the top of the U-shaped rod 3, the extending end of the electric telescopic rod 4 extends into the U-shaped rod 3 and is fixedly connected with the top of the lifting plate 6, a cylindrical level 17 is fixedly connected to the front side of the lifting plate 6, a guide through hole 8 is formed in the top of the base 1, and the drill rod 5 is positioned in the guide through hole 8 and is in movable contact with the inner side of the guide through hole 8;
a square bottom plate 7 is arranged below the base 1, two fixing seats 18 are fixedly connected to one side of the top of the square bottom plate 7, the base 1 is rotatably installed between the two fixing seats 18, universal wheels with locks are rotatably installed at four corners of the bottom of the square bottom plate 7, the bottom end of the drill rod 5 extends into the square bottom plate 7, a supporting plate 9 is fixedly connected to the other side of the top of the square bottom plate 7, a push handle is fixedly connected to the top of the right side of the supporting plate 9, a rectangular groove 10 is formed in the left side of the supporting plate 9, a screw rod 11 is rotatably installed on the inner wall of the bottom of the rectangular groove 10, the top end of the screw rod 11 extends to the upper side of the supporting plate 9 and is fixedly connected with a rocking disc 16, two positioning rods 12 positioned on the left side of the screw rod 11 are fixedly connected between the inner wall of the top of the rectangular groove 10 and the inner wall of the bottom, the two positioning rods 12 are slidably sleeved with a same sliding seat 13, and the sliding seat 13 is threadedly sleeved on the screw rod 11, rectangular channel 14 has been seted up on base 1's right side, and sliding sleeve is equipped with rectangular plate 15 in the rectangular channel 14, and the right side of rectangular plate 15 extends to base 1 outer and articulated mutually with the left side of sliding seat 13, the utility model relates to a rationally, the quick slope adjustment drilling rod 5 of being convenient for makes it guarantee to be vertical state when boring in slope, reaches not influenced by the slope, and the cooperation can drive drilling rod 5 and rotate and move down, realizes can steadily drilling out the purpose in vertical hole, improves application scope, satisfies the user demand, is favorable to using.
In the utility model, two rectangular guiding holes are arranged on the top of the lifting plate 6, the inner wall of the rectangular guiding hole is connected with the outer side of the U-shaped rod 3 in a sliding way, the side of the two fixing seats 18 close to each other is provided with a first round hole, the first round hole is internally fixedly sleeved with a first bearing, the front side and the rear side of the base 1 are fixedly connected with a rotating shaft, the inner ring of the first bearing is fixedly sleeved with the outer side of the corresponding rotating shaft, the bottom inner wall of the rectangular groove 14 is provided with a limit sliding hole, the bottom of the rectangular plate 15 is fixedly connected with a slide block which is connected with the limit sliding hole in a sliding way, the bottom inner wall of the rectangular groove 10 is fixedly connected with a second bearing, the top inner wall of the rectangular groove 10 is provided with a second round hole, the second round hole is fixedly sleeved with a third bearing in the second round hole, the inner ring of the second bearing and the inner ring of the third bearing are fixedly welded with the outer side of the screw rod 11, the top of the sliding seat 13 is provided with a threaded hole and two third round holes, the side wall of the third round hole is connected with the outer side of the corresponding positioning rod 12 in a sliding way, the threaded hole is connected with the screw rod 11 in a threaded way, the top of the U-shaped rod 3 is fixedly provided with a storage battery, the driving motor 2 and the electric telescopic rod 4 are both electrically connected with the storage battery, the storage battery supplies power for the driving motor 2 and the electric telescopic rod 4, the right side of the supporting plate 9 is fixedly connected with two magnet blocks, and the bottom of magnet piece adsorbs there is T shape iron inserted bar 19, and sliding sleeve is equipped with and returns the sliding sleeve 20 of shape bottom plate 7 right side fixed connection on the T shape iron inserted bar 19, the utility model relates to a rationally, the quick slope adjustment drilling rod 5 of being convenient for makes it guarantee to be vertical state when boring aslope, reaches not influenced by the slope, and the cooperation can drive the drilling rod 5 rotation and move down, realizes can stably drilling out the purpose in vertical hole, improves application scope, satisfies the user demand, is favorable to using.
The working principle is as follows: when the device is used, four universal wheels with locks are arranged to facilitate movement of personnel, when drilling on the slope ground is needed, the device is pushed to the position of the slope ground needing drilling, two T-shaped iron insertion rods 19 are stepped downwards to be separated from corresponding magnet blocks, the T-shaped iron insertion rods 19 slide downwards in corresponding sliding sleeves 20 and are inserted into the ground, the parking stability can be improved, the device is in an inclined state due to the influence of the slope ground, a drilled hole is required to be a vertical hole during drilling, adjustment is needed at the moment, a rocking disc 16 is rotated in the forward direction, the rocking disc 16 drives a screw rod 11 to rotate, under the action of a threaded hole formed in the top of a sliding seat 13, the screw rod 11 can drive the sliding seat 13 to slide upwards on the two positioning rods 12, the sliding seat 13 drives a rectangular plate 15 to move upwards, the rectangular plate 15 drives a base 1 to rotate upwards between two fixing seats 18, under the principle that a straight line between two points is shortest, when the base 1 rotates, the rectangular groove 14 is driven to slide on the rectangular plate 15, the lifting plate 6 is driven to rotate upwards by the base 1 through the U-shaped rod 3, the lifting plate 6 drives the drill rod 5 to rotate through the driving motor 2, at the moment, whether the lifting plate 6 rotates to a horizontal state or not can be observed through the cylindrical level gauge 17, when the lifting plate 6 rotates to the horizontal state, the drill rod 5 is in a vertical downward state at the moment, the drill rod 5 is convenient to quickly incline and adjust, the vertical state can be guaranteed, the effect that the drill rod is not influenced by a slope is achieved, and the application range is improved;
during the probing, electric telescopic handle 4 and driving motor 2 are started to the forward direction, the output shaft of driving motor 2 drives drilling rod 5 rotatory, electric telescopic handle 4 drives lifter plate 6 and slides downwards on U-shaped pole 3, lifter plate 6 drives drilling rod 5 through driving motor 2 and moves downwards, drilling rod 5 moves downwards in direction perforation 8 and time shape bottom plate 7, drilling rod 5 is the state of rotation and moving down this moment, reaches and drills out vertical hole downwards gradually.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. A drilling device for geotechnical engineering investigation comprises a base (1) and a driving motor (2) above the base (1), wherein a drill rod (5) is fixedly arranged on an output shaft of the driving motor (2), it is characterized in that the top of the base (1) is fixedly connected with a U-shaped rod (3), a lifting plate (6) is slidably sleeved on the U-shaped rod (3), the driving motor (2) is fixedly arranged at the bottom of the lifting plate (6), the top of the U-shaped rod (3) is fixedly provided with an electric telescopic rod (4), the extending end of the electric telescopic rod (4) extends into the U-shaped rod (3) and is fixedly connected with the top of the lifting plate (6), the front side of the lifting plate (6) is fixedly connected with a cylindrical level meter (17), the top of the base (1) is provided with a guide through hole (8), and the drill rod (5) is positioned in the guide through hole (8) and is movably contacted with the inner side of the guide through hole (8);
the drill rod fixing device is characterized in that a clip-shaped bottom plate (7) is arranged below the base (1), two fixing seats (18) are fixedly connected to one side of the top of the clip-shaped bottom plate (7), the base (1) is rotatably installed between the two fixing seats (18), universal wheels with locks are rotatably installed at four corners of the bottom of the clip-shaped bottom plate (7), the bottom of the drill rod (5) extends into the clip-shaped bottom plate (7), a supporting plate (9) is fixedly connected to the other side of the top of the clip-shaped bottom plate (7), a pushing handle is fixedly connected to the top of the right side of the supporting plate (9), a rectangular groove (10) is formed in the left side of the supporting plate (9), a screw rod (11) is rotatably installed on the inner wall of the bottom of the rectangular groove (10), the top end of the screw rod (11) extends to the upper side of the supporting plate (9) and is fixedly connected with a rocking disc (16), two positioning rods (12) positioned on the left side of the screw rod (11) are fixedly connected between the inner wall of the top of the rectangular groove (10) and the inner wall of the bottom, the two positioning rods (12) are slidably sleeved with the same sliding seat (13), the sliding seat (13) is sleeved on the screw rod (11) in a threaded mode, the right side of the base (1) is provided with a rectangular groove (14), a rectangular plate (15) is sleeved in the rectangular groove (14) in a sliding mode, and the right side of the rectangular plate (15) extends out of the base (1) and is hinged to the left side of the sliding seat (13).
2. The drilling rig for geotechnical engineering investigation of claim 1, characterized in that, two rectangular guiding holes are opened on the top of the lifting plate (6), and the inner wall of the rectangular guiding hole is connected with the outer side of the U-shaped rod (3) in a sliding manner.
3. The drilling device for geotechnical engineering investigation according to claim 1, wherein the two fixing bases (18) are provided with first round holes on the sides close to each other, first bearings are fixedly sleeved in the first round holes, rotating shafts are fixedly connected to the front side and the rear side of the base (1), and inner rings of the first bearings are fixedly sleeved with the outer sides of the corresponding rotating shafts.
4. The drilling rig for geotechnical engineering investigation of claim 1, wherein the inner wall of the bottom of the rectangular groove (14) is provided with a limiting slide hole, the bottom of the rectangular plate (15) is fixedly connected with a slide block, and the slide block is slidably connected with the limiting slide hole.
5. The drilling device for geotechnical engineering investigation of claim 1, wherein the bottom inner wall of the rectangular groove (10) is fixedly connected with a second bearing, the top inner wall of the rectangular groove (10) is provided with a second round hole, a third bearing is fixedly sleeved in the second round hole, and the inner ring of the second bearing and the inner ring of the third bearing are both welded and fixed with the outer side of the screw rod (11).
6. The drilling device for geotechnical engineering investigation according to claim 1, wherein the top of the sliding seat (13) is provided with a threaded hole and two third round holes, the side wall of each third round hole is slidably connected with the outer side of the corresponding positioning rod (12), and the threaded hole is in threaded connection with the screw rod (11).
7. The drilling rig for geotechnical engineering investigation of claim 1, characterized in that, the top of U-shaped pole (3) is fixedly installed with the battery, and driving motor (2) and electric telescopic handle (4) all with battery electric connection.
8. The drilling rig for geotechnical engineering investigation of claim 1, wherein the right side of the supporting plate (9) is fixedly connected with two magnet blocks, a T-shaped iron insertion rod (19) is adsorbed at the bottom of the magnet block, and a sliding sleeve (20) fixedly connected with the right side of the square bottom plate (7) is sleeved on the T-shaped iron insertion rod (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121756115.5U CN214943988U (en) | 2021-07-30 | 2021-07-30 | Drilling rig for geotechnical engineering investigation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121756115.5U CN214943988U (en) | 2021-07-30 | 2021-07-30 | Drilling rig for geotechnical engineering investigation |
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| Publication Number | Publication Date |
|---|---|
| CN214943988U true CN214943988U (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121756115.5U Active CN214943988U (en) | 2021-07-30 | 2021-07-30 | Drilling rig for geotechnical engineering investigation |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710499A (en) * | 2021-01-19 | 2021-04-27 | 上海敦霸办公用品有限公司 | Automatic guided geological exploration equipment |
| CN114718451A (en) * | 2022-05-17 | 2022-07-08 | 中国水利水电第九工程局有限公司 | Water well drilling machine capable of achieving automatic adjusting function for water taking well construction |
| CN114876389A (en) * | 2022-06-09 | 2022-08-09 | 中国煤炭地质总局第一勘探局科教中心 | Automatic discharging and swing moving device for geological exploration drill rod |
| CN115263196A (en) * | 2022-06-10 | 2022-11-01 | 应急管理部国家自然灾害防治研究院 | Movable drilling equipment for detecting deep slip surface of earth and rockfill dam slope |
| CN117888817A (en) * | 2024-03-15 | 2024-04-16 | 山东创驰安防科技有限公司 | Prospecting equipment for geotechnical engineering |
| CN118310799A (en) * | 2024-04-15 | 2024-07-09 | 湖北地矿建设勘察有限公司 | Rock and soil sampling device and sampling method for geotechnical engineering investigation |
| CN119711930A (en) * | 2024-12-25 | 2025-03-28 | 河南大地工程勘察有限公司 | Drilling equipment for geotechnical engineering investigation |
-
2021
- 2021-07-30 CN CN202121756115.5U patent/CN214943988U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710499A (en) * | 2021-01-19 | 2021-04-27 | 上海敦霸办公用品有限公司 | Automatic guided geological exploration equipment |
| CN112710499B (en) * | 2021-01-19 | 2022-10-18 | 佛山电力设计院有限公司 | Automatic guided geological exploration equipment |
| CN114718451A (en) * | 2022-05-17 | 2022-07-08 | 中国水利水电第九工程局有限公司 | Water well drilling machine capable of achieving automatic adjusting function for water taking well construction |
| CN114876389A (en) * | 2022-06-09 | 2022-08-09 | 中国煤炭地质总局第一勘探局科教中心 | Automatic discharging and swing moving device for geological exploration drill rod |
| CN115263196A (en) * | 2022-06-10 | 2022-11-01 | 应急管理部国家自然灾害防治研究院 | Movable drilling equipment for detecting deep slip surface of earth and rockfill dam slope |
| CN117888817A (en) * | 2024-03-15 | 2024-04-16 | 山东创驰安防科技有限公司 | Prospecting equipment for geotechnical engineering |
| CN117888817B (en) * | 2024-03-15 | 2024-05-07 | 山东创驰安防科技有限公司 | Prospecting equipment for geotechnical engineering |
| CN118310799A (en) * | 2024-04-15 | 2024-07-09 | 湖北地矿建设勘察有限公司 | Rock and soil sampling device and sampling method for geotechnical engineering investigation |
| CN119711930A (en) * | 2024-12-25 | 2025-03-28 | 河南大地工程勘察有限公司 | Drilling equipment for geotechnical engineering investigation |
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