CN116357314A - Geological environment sampling drilling machine and application method thereof - Google Patents
Geological environment sampling drilling machine and application method thereof Download PDFInfo
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- CN116357314A CN116357314A CN202211634909.3A CN202211634909A CN116357314A CN 116357314 A CN116357314 A CN 116357314A CN 202211634909 A CN202211634909 A CN 202211634909A CN 116357314 A CN116357314 A CN 116357314A
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- 238000005070 sampling Methods 0.000 title claims abstract description 95
- 238000005553 drilling Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 20
- 241000237942 Conidae Species 0.000 claims abstract description 7
- 239000002689 soil Substances 0.000 claims description 11
- 239000004576 sand Substances 0.000 claims description 3
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/02—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by mechanically taking samples of the soil
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/22—Rods or pipes with helical structure
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
-
- 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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Sampling And Sample Adjustment (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to a drilling machine, in particular to a geological environment sampling drilling machine for acquiring geological samples and a use method thereof. The lower part of the spiral drill rod is provided with a cone shell formed by buckling a plurality of arc plates, and the upper end of the triangular arc plate is connected to the spiral drill rod through a hinge; the middle part of spiral drilling rod sets up the bracing piece, and the motor is installed to the lower part of bracing piece, and the lower part of motor is connected with downwardly extending's sampling tube that has the sawtooth. Above-mentioned geological environment sampling drilling machine, put into the auger stem with the motor through the bracing piece, rotatory through motor drive sampling tube, the sawtooth of sampling tube rotation in-process lower extreme will bore the geological spin cylindrical appearance piece of lower part, drives motor and sampling tube in-process with cylindrical appearance piece pull out drilling at the bracing piece, and then obtain geological sample.
Description
Technical Field
The invention relates to a sample sampling device in cellar construction or address investigation, in particular to a geological environment sampling drilling machine for collecting samples underground.
Background
In geological exploration, it is necessary to obtain a geological sample deep in the subsurface. Such as obtaining water quality, soil or rock, of course, other geological surveys require obtaining geological samples extending into the subsurface. The underground soil sample is excavated and is greatly influenced by equipment, and the sample is difficult to obtain through the deep shovel when geology is harder, and when the underground soil sample is obtained through the mode of rig drilling, the drilling is collapsed easily or the soil on drilling upper portion drops when the drilling rod is pulled out, and then influences the acquisition of sample.
Disclosure of Invention
The invention aims to provide a geological environment sampling drilling machine, which aims to solve the problems that: the underlying soil sample is difficult to obtain.
The invention provides a geological environment sampling drilling rig, which comprises a mounting frame, wherein a spiral drill rod is arranged on the mounting frame, and a first spiral blade is arranged on the outer wall of the spiral drill rod; the mounting frame is also provided with a driving motor for driving the spiral drill rod; the spiral drill pipe is a hollow pipe. The lower opening of the spiral drill rod is provided with a conical shell which is formed by buckling at least three triangular arc plates, and the upper ends of the triangular arc plates are connected to the spiral drill rod through hinges; the cone shell is provided with a second helical blade, and each triangular arc plate is connected with a return spring for driving the triangular arc plates to be buckled; the middle part of auger stem sets up the bracing piece, the motor is installed to the lower part of bracing piece, the lower part of motor is connected with downwardly extending's sampling tube, the external diameter of sampling tube is less than the internal diameter of auger stem, be provided with the sawtooth on the lower terminal surface of sampling tube.
Preferably, the screw drill rod further comprises a circular frame for fixing the motor, the motor is installed in the circular frame, a guide groove is formed in the periphery of the circular frame, a guide rail matched with the guide groove is arranged on the inner wall of the screw drill rod, and the guide rail is clamped into the guide groove.
Still preferably, the guide rail and the guide groove are spiral, and the guide groove is spirally lifted along the guide rail; the support rod is rotatably connected with the circular frame.
Still preferably, the guide rail extends to the lower portion of the auger stem, and when the guide groove extends to the bottommost end of the guide rail, the sampling tube extends out of the cone case and pushes the triangular arc plate to both sides.
Still preferably, a bearing is sleeved on the periphery of the lower part of the sampling tube, and the outer side of the bearing is propped against the inner wall of the triangular arc plate.
Still preferably, the inner wall of the sampling tube is provided with an inner spiral blade, and the width value of the inner spiral blade is one sixth to one fifth of the inner diameter value of the inner wall of the sampling tube.
Still preferably, the motor is cylindrical as a whole, the rotating shaft of the motor extends downwards, and the sampling tube is fixed on the rotating shaft.
The invention also provides a using method of the geological environment sampling drilling machine, which comprises the following steps:
the first step: acquiring a drilling hole through a spiral drill rod, wherein soil in the drilling hole is screwed out of the drilling hole through the first spiral blade and the second spiral blade;
and a second step of: lifting the spiral drill rod until the lifting height is greater than the arc length of the triangular arc plate;
and a third step of: the motor is placed into the hollow cavity of the spiral drill rod through the supporting rod, the motor is lowered to the lower part of the spiral drill rod, at the moment, the sampling tube jacks up the triangular arc plate, the triangular arc plate is unfolded, and the sampling tube extends to the lower part of the triangular arc plate;
fourth step: controlling the motor to work, enabling the sampling tube to rotate, and drilling soil or sand at the lower part of the drilling hole through the sampling tube;
fifth step: and (5) extracting the supporting rod to enable the motor and the sampling tube to ascend from the spiral drill rod and separate from the spiral drill rod.
Compared with the prior art, the geological environment sampling drilling rig and the using method thereof provided by the invention have the following advantages that
The beneficial effects are that:
according to the geological environment sampling drilling machine and the application method thereof, the existing spiral drilling machine technology is combined, the conical shell at the lower part of the spiral drilling machine is formed by buckling three triangular arc plates, the three triangular arc plates are hinged to the lower part of the spiral drilling rod, the triangular arc plates are convenient to open, and then a motor and a sampling tube are conveniently placed in a middle cavity of the spiral drilling rod.
In addition, in this embodiment, put into the auger stem through the bracing piece with the motor, the pivot of motor downwardly extending is connected with the sampling tube, and rotatory through motor drive sampling tube, the sawtooth of sampling tube rotation in-process lower extreme is with the geology of drilling lower part spiral out cylindrical sample block, drives motor and sampling tube in-process and pulls out the drilling with cylindrical sample block at the bracing piece, and then obtains geological sample.
Through above-mentioned geological environment sampling drill machine sampling, the auger stem can protect the drilling inner wall in the sampling process, need not to worry the problem of subsidence of drilling. And compared with sampling equipment such as a Luoyang shovel or other long rod shovels, the drilling depth value of the spiral drill rod is larger, and a deeper geological sample can be obtained.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
It is evident that the drawings in the following description are only some specific embodiments of the invention and that other drawings may be obtained from the structures shown in these drawings without inventive effort for a person of ordinary skill in the art.
Fig. 1 is a schematic view showing a partial perspective structure of a screw rod according to embodiment 1 of the present invention.
FIG. 2 is a schematic view in partial cross-section of a screw in example 1 of the present invention.
Fig. 3 is a schematic perspective view of a baffle plate in embodiment 1 of the present invention.
FIG. 4 is a schematic partial cross-sectional view of a coupon according to example 1 of the present invention.
In the accompanying drawings:
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention.
All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.
Example 1
The embodiment provides a geological environment sampling drilling rig, which comprises a mounting frame, wherein a spiral drill rod 1 is arranged on the mounting frame, and a first spiral blade 2 is arranged on the outer wall of the spiral drill rod 1; the mounting frame is also provided with a driving motor for driving the spiral drill rod 1; the spiral drill pipe 1 is a hollow pipe. The lower opening of the spiral drill rod 1 is provided with a conical shell 3 which is conical. The spiral drill rod 1, the driving motor and the mounting frame basically adopt the existing long spiral drilling machine. The improvement of the screw drill rod is that the conical shell 3 is formed by buckling at least three triangular arc plates, and the upper ends of the triangular arc plates are connected to the screw drill rod 1 through hinges. The hinge connection can be that a sleeve is arranged in the middle of the triangular arc plate, a rotating shaft is fixed at the lower end of the long spiral rotating machine, and the rotating shaft is inserted into the sleeve. The triangular arc plates are buckled to form a conical cone shell 3, in order to facilitate the drilling of the cone shell 3, a second helical blade 4 is arranged on the cone shell 3, the second helical blade 4 is divided into multiple sections, each section is respectively arranged on each triangular arc plate, and the second helical blades 4 of each section after each triangular arc plate is buckled are connected into a whole, so that the drilling is carried out. Each triangular arc plate is connected with a return spring for driving the triangular arc plates to be buckled, and the return springs can be torsion springs on the triangular arc plate hinge connecting shafts. The middle part of auger stem 1 sets up the bracing piece, and this bracing piece also should set up on the mounting bracket, of course, also can set up other mounting brackets in addition to make the bracing piece stretch into in the cavity of auger stem 1 can, and in order to be convenient for control the lift of bracing piece, can also promote the bracing piece through chain or other devices, in actual operation, bracing piece length value is too big, and the bracing piece selects the multisection design, and each section bracing piece is connected through detachable mode. The motor 6 is installed to the lower part of bracing piece, the lower part of motor 6 is connected with downwardly extending's sampling tube 9, the external diameter of sampling tube 9 is less than the internal diameter of auger stem 1, be provided with sawtooth 92 on the lower terminal surface of sampling tube 9.
Above-mentioned geological environment sampling drilling machine combines current auger drilling technique, sets up the conical shell 3 of auger drilling's lower part into three at least triangle arc board lock and forms, and the equal hinged joint of triangle arc board is in auger stem 1's lower part, and the triangle arc board of being convenient for opens, and then conveniently puts into motor 6 and sampling tube 9 through auger stem 1's middle part cavity, makes sampling tube 9 descend to auger stem 1 lower part. In addition, in this embodiment, the motor 6 is placed into the auger stem 1 through the bracing piece, the rotating shaft 8 that the motor 6 extends downwards is connected with the sampling tube 9, and the sampling tube 9 is driven to rotate through the motor 6, and the sawtooth 92 of the lower extreme in the rotation process of the sampling tube 9 rotates out the cylindrical sample block with the geology of drilling lower part, pulls out the drilling with the cylindrical sample block in the ascending process of the bracing piece drive motor 6 and the sampling tube 9, and then obtains the geology sample. Through above-mentioned geological environment sampling drill machine sampling, auger stem 1 can protect the drilling inner wall in the sampling process, need not to worry the drilling problem of collapsing. And compared with the sampling equipment such as a Luoyang shovel or other long rod shovels, the drilling depth value of the spiral drill rod 1 is larger, and deeper geological samples can be obtained.
Specifically, in this embodiment, in order to facilitate the up-and-down movement of the motor 6 in the auger stem 1, and simultaneously to avoid the rotation of the motor 6 relative to the auger stem at the bottom of the auger stem, the motor 6 is kept relatively stationary in the rotation direction, and further includes a circular frame 5 for fixing the motor, the motor 6 is installed in the circular frame 5, a guide groove 7 is provided at the periphery of the circular frame 5, a guide rail adapted to the guide groove 7 is provided on the inner wall of the auger stem 1, and the guide rail is clamped into the guide groove 7. When the guide groove 7 moves up and down on the guide rail, the motor 6 is driven to move up and down, the guide groove 7 and the guide rail can avoid the lateral deviation of the motor 6, and meanwhile, the motor 6 is prevented from rotating at the bottom of the spiral drill rod.
More specifically, in this embodiment, in order to control the lifting of the motor 6 in the auger stem 1, the guide rail and the guide groove 7 are in a spiral shape adapted to each other, and the guide groove 7 is lifted and lowered along the guide rail in a spiral manner; the support rod is rotatably connected with the circular frame 5. When the device specifically lifts, a worker can control the forward rotation and the overturning of the motor 6 through the remote control device, so that the motor 6 and the circular frame 5 rotate, and the motor and the circular frame rotate along the spiral guide rail in a spiral mode. It should be noted that, the rotation trend of the motor driving sampling tube should be adapted to the spiral direction of the guide rail, after the motor moves to the bottom, the rotation trend when driving the sampling tube should rotate downwards, and the lower part of the guide rail is provided with a stop block, so as to prevent the motor from continuing to move, and at this time, the sampling tube is made to rotate. Through spiral lift, the impact force of motor lift can be reduced.
More specifically, in this embodiment, the guide rail extends to the lower portion of the auger stem 1, and when the guide groove 7 extends to the bottommost end of the guide rail, the sampling tube 9 extends out of the cone housing 3 and pushes the triangular arc plate to both sides.
More specifically, the lower part periphery cover of sampling tube 9 is equipped with bearing 10, the outside of bearing 10 top is connected the inner wall of triangle arc board. In the rotation process of the sampling tube 9, the bearing 10 can reduce the friction force between the sampling tube 9 and the inner wall of the triangular arc plate, reduce the friction resistance in the downward rotation sampling process of the sampling tube 9, and avoid damaging the triangular arc plate.
More specifically, in this embodiment, in order to enhance the connection strength between the sample and the sampling tube 9, the cylindrical sample drilled by the sampling tube 9 is fixed on the sampling tube 9, in this embodiment, the inner wall of the sampling tube 9 is provided with an inner spiral blade 91, and the width value of the inner spiral blade 91 is one sixth to one fifth of the inner diameter value of the inner wall of the sampling tube 9, and the inner spiral blade 91 drives the sample to rotate, so as to improve the connection strength between the sampling tube 9 and the geological sample.
More specifically, the motor 6 is entirely cylindrical, the rotating shaft 8 of the motor 6 extends downward, and the sampling tube 9 is fixed on the rotating shaft 8.
The invention also provides a using method of the geological environment sampling drilling machine, which comprises the following steps:
the first step: acquiring a borehole through a spiral drill rod 1, and screwing soil in the borehole out of the borehole through the first spiral blade 2 and the second spiral blade 4;
and a second step of: lifting the spiral drill rod 1 until the lifting height is greater than the arc length of the triangular arc plate;
and a third step of: the motor 6 is placed into the hollow cavity of the spiral drill rod 1 through the supporting rod, the motor 6 is lowered to the lower part of the spiral drill rod 1, at the moment, the sampling tube 9 jacks up the triangular arc plate, the triangular arc plate is unfolded, and the sampling tube 9 extends to the lower part of the triangular arc plate;
fourth step: controlling the motor 6 to work, so that the sampling tube 9 rotates, and drilling soil or sand at the lower part of the drilling hole through the sampling tube 9;
fifth step: the support rod is extracted to enable the motor 6 and the sampling tube 9 to ascend from the spiral drill rod 1 and separate from the spiral drill rod 1.
Of course, the above-mentioned embodiments are only preferred embodiments of the present invention, and not limiting the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention and should be protected by the present invention.
Claims (8)
1. The geological environment sampling drilling rig comprises a mounting frame, wherein a spiral drill rod is arranged on the mounting frame, and a first spiral blade is arranged on the outer wall of the spiral drill rod; the mounting frame is also provided with a driving motor for driving the spiral drill rod; the spiral drill rod is a hollow pipe and is characterized in that,
the lower opening of the spiral drill rod is provided with a conical shell which is formed by buckling at least three triangular arc plates, and the upper ends of the triangular arc plates are connected to the spiral drill rod through hinges; the cone shell is provided with a second helical blade, and each triangular arc plate is connected with a return spring for driving the triangular arc plates to be buckled;
the middle part of auger stem sets up the bracing piece, the motor is installed to the lower part of bracing piece, the lower part of motor is connected with downwardly extending's sampling tube, the external diameter of sampling tube is less than the internal diameter of auger stem, be provided with the sawtooth on the lower terminal surface of sampling tube.
2. The geological environment sampling drill of claim 1, wherein,
the spiral drill rod is characterized by further comprising a round frame used for fixing the motor, the motor is installed in the round frame, a guide groove is formed in the periphery of the round frame, a guide rail matched with the guide groove is arranged on the inner wall of the spiral drill rod, and the guide rail is clamped into the guide groove.
3. The geological environment sampling drill of claim 2, wherein,
the guide rail and the guide groove are in a spiral shape which is matched with each other, and the guide groove is spirally lifted along the guide rail;
the support rod is rotatably connected with the circular frame.
4. A geological environment sampling drill as claimed in claim 3, wherein,
the guide rail extends to the lower part of the spiral drill rod, and when the guide groove extends to the bottommost end of the guide rail, the sampling tube extends out of the cone shell and pushes the triangular arc plates to two sides.
5. The geological environment sampling drill of claim 4, wherein,
the lower part periphery cover of sampling tube is equipped with the bearing, the outside top of bearing connects the inner wall of triangle arc board.
6. The geological environment sampling drill of claim 4, wherein,
the inner wall of the sampling tube is provided with an inner spiral blade, and the width value of the inner spiral blade is one sixth to one fifth of the inner diameter value of the inner wall of the sampling tube.
7. The geological environment sampling drill of claim 2, wherein,
the motor is wholly cylindrical, the pivot downwardly extending of motor, the sampling tube is fixed in the pivot.
8. A using method of a geological environment sampling drilling machine is characterized in that,
the method comprises the following steps:
the first step: acquiring a drilling hole through a spiral drill rod, wherein soil in the drilling hole is screwed out of the drilling hole through the first spiral blade and the second spiral blade;
and a second step of: lifting the spiral drill rod until the lifting height is greater than the arc length of the triangular arc plate;
and a third step of: the motor is placed into the hollow cavity of the spiral drill rod through the supporting rod, the motor is lowered to the lower part of the spiral drill rod, at the moment, the sampling tube jacks up the triangular arc plate, the triangular arc plate is unfolded, and the sampling tube extends to the lower part of the triangular arc plate;
fourth step: controlling the motor to work, enabling the sampling tube to rotate, and drilling soil or sand at the lower part of the drilling hole through the sampling tube;
fifth step: and (5) extracting the supporting rod to enable the motor and the sampling tube to ascend from the spiral drill rod and separate from the spiral drill rod.
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|---|---|---|---|
| CN202211634909.3A CN116357314B (en) | 2022-12-19 | 2022-12-19 | Geological environment sampling drilling machine and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211634909.3A CN116357314B (en) | 2022-12-19 | 2022-12-19 | Geological environment sampling drilling machine and application method thereof |
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| CN116357314B CN116357314B (en) | 2024-04-19 |
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| CN110887692A (en) * | 2019-12-06 | 2020-03-17 | 陈楠 | Soil sampling device capable of collecting in layered mode |
| CN212379068U (en) * | 2020-05-28 | 2021-01-19 | 李娜 | Soil detection device convenient to degree of depth is borrowd soil |
| CN111735651A (en) * | 2020-05-29 | 2020-10-02 | 江苏省鸿洋岩土勘察设计有限公司 | Geological drilling sampling device and using method thereof |
| CN212646133U (en) * | 2020-06-12 | 2021-03-02 | 广东新创华科环保股份有限公司 | Degree of depth detection device that fetches earth |
| CN212482970U (en) * | 2020-07-27 | 2021-02-05 | 四川省永忠工程管理有限公司 | A sampling device for engineering investigation |
| CN213875067U (en) * | 2020-12-29 | 2021-08-03 | 迟桂梅 | Agricultural technology promotes and uses soil sampling device |
| CN214471904U (en) * | 2021-03-30 | 2021-10-22 | 山东鼎安检测技术有限公司 | Soil sampling device is used in soil environment quality monitoring |
| CN215414464U (en) * | 2021-07-14 | 2022-01-04 | 上海月艺绿化工程有限公司 | A soil drilling equipment for municipal garden engineering |
| CN215448551U (en) * | 2021-08-11 | 2022-01-07 | 王庆连 | Geological survey is opened and is adopted spiral sampling device |
| CN114659832A (en) * | 2022-05-26 | 2022-06-24 | 山东省煤田地质局第五勘探队 | Soil stratified sampling device for hydrogeological exploration |
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