CN110485913B - Portable shallow layer sampling drilling machine for geological exploration - Google Patents
Portable shallow layer sampling drilling machine for geological exploration Download PDFInfo
- Publication number
- CN110485913B CN110485913B CN201910773198.XA CN201910773198A CN110485913B CN 110485913 B CN110485913 B CN 110485913B CN 201910773198 A CN201910773198 A CN 201910773198A CN 110485913 B CN110485913 B CN 110485913B
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- mounting
- ring
- sliding
- drilling machine
- geological exploration
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- 238000005070 sampling Methods 0.000 title claims abstract description 42
- 238000005553 drilling Methods 0.000 title claims abstract description 39
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 12
- 238000009423 ventilation Methods 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 230000008961 swelling Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 24
- 238000000034 method Methods 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B12/00—Accessories for drilling tools
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/006—Means for anchoring the drilling machine to the ground
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0076—Details of the fuel feeding system related to the fuel tank
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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
Abstract
The invention discloses a portable shallow sampling drilling machine for geological exploration, which comprises an engine and a speed reducer fixedly arranged at the lower end of the engine, wherein a sliding cylinder is fixedly arranged at the upper end of the engine, a sliding ring is sleeved on the sliding cylinder in a sliding manner, the upper surface of the sliding ring is provided with a mounting hole, and a mounting ring is fixedly arranged outside the sliding ring. Has the advantages that: the portable shallow sampling drilling machine for geological exploration does not need to hold the mounting ring by hands, so that the arm limp and numb swelling and pain of an operator can not be caused, and the shallow sampling drilling machine is small in size, low in height, light in weight, convenient to carry, suitable for being used in rugged or non-road areas such as mountainous areas and the like, and good in practicability.
Description
Technical Field
The invention relates to the field of geological exploration, in particular to a portable shallow sampling drilling machine for geological exploration.
Background
The portable shallow sampling drilling machine for geological exploration is a small-sized drilling machine with the characteristics of small volume, light weight, high efficiency, simple operation, convenient moving and the like, can be operated by a single person, can be widely applied to various sampling construction operations such as geological survey mapping, geophysical prospecting blast holes, chemical prospecting rock sampling, environmental and agricultural geological survey sampling, road foundation exploration, pavement quality detection sampling and the like, has reliable performance, is convenient and flexible, is very suitable for field work, and is very universal in geological exploration. However, the conventional portable shallow sampling drilling machine for geological exploration in the market has the following problems in the actual use process:
at present, common portable shallow sampling drilling machines for geological exploration in the market are generally of backpack type, the backpack type shallow sampling drilling machines are small in size, low in height and convenient to carry, and are particularly suitable for single-person operation, so that the backpack type shallow sampling drilling machines are more applied to geological exploration; although various small shallow sampling drilling machines with supports, such as TGQ-30/50 type, TGQ-15 type and TGQ-5 type, are available in the market at present, the drilling machines can be installed on the supports, and the handles are not required to be held by two hands, however, the shallow sampling drilling machines are often large in length, rollers are additionally arranged at the bottoms of the shallow sampling drilling machines, the shallow sampling drilling machines cannot be carried by one person generally, the shallow sampling drilling machines can be moved by pushing of multiple persons when being moved, and the shallow sampling drilling machines are not suitable for being used in places without roads, such as mountainous areas, and are inconvenient to carry.
Disclosure of Invention
The invention aims to solve the problems, and provides a portable shallow sampling drilling machine for geological exploration, so as to solve the problems that in the prior art, an operator needs to hold a handle of the sampling drilling machine with both hands to control the drilling direction during the use of the conventional shallow sampling drilling machine for geological exploration, and the arm is easy to feel sour, numb and sore due to long-time holding of the handle. The preferable technical scheme of the technical schemes provided by the invention can realize that the handle of the shallow sampling drilling machine does not need to be held by hands, so that the arm of an operator is not sore, and the shallow sampling drilling machine has small volume and low height, is convenient to carry, is suitable for being used in rugged or non-road areas such as mountainous areas and the like, has the technical effects of good practicability and the like, and is explained in detail in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a portable shallow sampling drilling machine for geological exploration, which comprises an engine and a speed reducer fixedly installed at the lower end of the engine, wherein a sliding cylinder is fixedly installed at the upper end of the engine, a sliding ring is sleeved on the sliding cylinder in a sliding mode, an installation hole is formed in the upper surface of the sliding ring, an installation ring is fixedly installed outside the sliding ring, a plurality of installation rods are arranged on the installation ring, a control switch II is arranged on each installation ring on two sides of each installation rod, an installation ring is installed on each installation rod in a rolling mode, an electric hydraulic push rod and a locking button are fixedly installed on the side surface of each installation ring, a machine barrel is detachably and fixedly installed on the push rod head of each electric hydraulic push rod, a speed reducing motor is embedded in each machine barrel, and a screw is detachably and fixedly installed on the output shaft of each speed reducing motor;
a battery is arranged in the sliding barrel, and a first control switch is arranged at the upper end of the battery; an electric cylinder is arranged on the outer side surface of the sliding cylinder; the electric cylinder is electrically connected with the first control switch;
the two control switches II on two sides of each mounting rod are respectively and electrically connected with the electric hydraulic push rod on the mounting rod and the speed reducing motor arranged in the machine barrel at the tail end of the electric hydraulic push rod.
Preferably, the front surface of the engine is provided with an oil tank; two side surfaces of the engine are provided with ventilation windows;
wherein, a sealing plug is arranged on the oil tank;
wherein, the positive face of oil tank is provided with the level gauge.
Preferably, the mounting ring is fixedly sleeved with a plurality of anti-skidding sleeves which are centrosymmetrically distributed by taking the central axis of the mounting ring as the center;
the mounting rods are distributed in a central symmetry mode by taking the central axis of the mounting ring as the center;
wherein, the distance from each mounting rod to two adjacent anti-skid sleeves is equal.
Preferably, the upper surface of the sliding cylinder is detachably and fixedly provided with a sealing cover.
Preferably, a working indicator lamp is arranged on the second control switch;
preferably, the electric cylinder is vertically and fixedly installed at the upper end of the outer side surface of the sliding barrel;
the piston head at the lower end of the electric cylinder is inserted into the mounting hole and is fixedly connected with the slip ring;
the electric cylinder and the mounting holes are multiple in number and are distributed in central symmetry by taking the sliding cylinder as the center.
Preferably, the first control switch and the second control switch both adopt single-pole double-throw switches.
When the portable shallow sampling drilling machine for geological exploration is used, the speed reduction motor is controlled to rotate to drive the screw to rotate and insert the screw into the ground, so that the mounting ring is fixed above the ground surface, attention needs to be paid to keeping the drill rod vertically downward in the process of sequentially inserting a plurality of screws into the ground, the sliding ring is located at the lowest point of the sliding cylinder and the drill bit is not contacted with the ground, after all the screws are inserted into the ground to complete the fixation of the mounting ring, the engine can be started to drive the drill bit to rotate at a high speed, and then the electric cylinder is controlled to drive the sliding cylinder to move downwards along the sliding ring to perform shallow sampling operation; the installation ring is fixed by the screws, so that the installation ring does not need to be gripped by two hands, and only the installation ring needs to be kept horizontal when being fixed, so that the arm limp and numb swelling and pain of an operator can not be caused.
Has the advantages that: the portable shallow sampling drilling machine for geological exploration does not need to hold the mounting ring by hands, so that the arm limp and numb swelling and pain of an operator can not be caused, and the shallow sampling drilling machine is small in size, low in height, light in weight, convenient to carry, suitable for being used in rugged or non-road areas such as mountainous areas and the like, and good in practicability.
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 obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of the present invention;
FIG. 2 is an internal block diagram of FIG. 1 of the present invention;
FIG. 3 is a schematic view of the arrangement of the mounting ring of the present invention;
FIG. 4 is a top view of the mounting collar of the present invention;
fig. 5 is a partial enlarged view of fig. 3 of the present invention.
The reference numerals are explained below:
1. an engine; 2. a speed reducer; 3. a drill stem; 4. a drill bit; 5. an oil tank; 6. a liquid level meter; 7. a sealing plug; 8. a ventilation window; 9. installing a ring; 10. an anti-slip sleeve; 11. a mounting ring; 12. an electric hydraulic push rod; 13. a barrel; 14. a reduction motor; 15. a screw; 16. a slide cylinder; 17. an electric cylinder; 18. a battery; 19. controlling a first switch; 20. a sealing cover; 21. a slip ring; 22. mounting holes; 23. a second control switch; 24. a work indicator light; 25. mounting a rod; 26. and locking the button.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1-5, the invention provides a portable shallow sampling drilling machine for geological exploration, which comprises an engine 1 and a reducer 2 fixedly installed at the lower end of the engine 1, wherein a sliding cylinder 16 is fixedly installed at the upper end of the engine 1, the sliding cylinder 16 is used for driving a drill bit 4 to move up and down for drilling and sampling operations, a sliding ring 21 is slidably sleeved on the sliding cylinder 16, the sliding ring 21 is used for controlling the sliding cylinder 16 to move up and down, an installation hole 22 is formed in the upper surface of the sliding ring 21, an installation ring 9 is fixedly installed outside the sliding ring 21, a plurality of installation rods 25 are arranged on the installation ring 9, the installation rods 25 are used for mounting installation rings 11 in a rolling manner, a second control switch 23 is arranged on the installation ring 9 at two sides of each installation rod 25, the installation rods 25 are provided with installation rings 11 in a rolling manner, the installation rings 11 are used for mounting electric hydraulic push rods 12, and locking buttons 26 are fixedly installed on the side surfaces of the installation rings 11, the locking button 26 is used for fixing the mounting ring 11 on the mounting rod 25 and preventing the mounting ring 11 from rotating around the mounting rod 25, the mounting ring is convenient to carry, a machine barrel 13 is detachably and fixedly mounted on the push rod head of the electric hydraulic push rod 12, a speed reducing motor 14 is embedded in the machine barrel 13, a screw 15 is detachably and fixedly mounted on an output shaft of the speed reducing motor 14, and the speed reducing motor 14 is used for assisting the screw 15 to be inserted into the ground in a rotating mode;
a battery 18 is arranged in the sliding barrel 16, and a first control switch 19 is arranged at the upper end of the battery 18; an electric cylinder 17 is arranged on the outer side surface of the sliding cylinder 16; the electric cylinder 17 is electrically connected with a first control switch 19, and the first control switch 19 is used for controlling the action of the electric cylinder 17;
two control switches 23 on two sides of each mounting rod 25 are respectively electrically connected with the electric hydraulic push rod 12 on the mounting rod 25 and the speed reducing motor 14 arranged in the cylinder 13 at the tail end of the electric hydraulic push rod 12, and the control switches 23 are used for controlling the speed reducing motor 14 and the electric hydraulic push rod 12 to act.
As an alternative embodiment, the engine 1 is provided with an oil tank 5 on the front surface, and the oil tank 5 is used for supplying oil to the engine 1; two side surfaces of the engine 1 are provided with ventilation windows 8, and the ventilation windows 8 are used for ventilation and heat dissipation of the engine 1;
wherein, the oil tank 5 is provided with a sealing plug 7, and the sealing plug 7 is used for sealing the oil filling port of the oil tank 5
Wherein, the front surface of the oil tank 5 is provided with a liquid level meter 6.
The mounting ring 9 is fixedly sleeved with a plurality of anti-slip sleeves 10 which are centrosymmetrically distributed by taking the central axis of the mounting ring 9 as the center, and the anti-slip sleeves 10 are convenient for holding the mounting ring 9 by hands;
wherein, the plurality of mounting rods 25 are distributed in central symmetry by taking the central axis of the mounting ring 9 as the center;
the distance from each mounting rod 25 to two adjacent anti-skid sleeves 10 is equal, so that the mounting rods 25 and the anti-skid sleeves 10 are alternately arranged, the appearance is attractive, and the influence of the mounting rods 25 on holding the anti-skid sleeves 10 is avoided.
The upper surface of the sliding barrel 16 is detachably and fixedly provided with a sealing cover 20, and the sealing cover 20 is used for sealing the sliding barrel 16, protecting the battery 18 in the sliding barrel 16 and controlling the first switch 19.
A working indicator lamp 24 is arranged on the second control switch 23, and the working indicator lamp 24 is used for displaying the working state of the second control switch 23;
the electric cylinder 17 is vertically and fixedly arranged at the upper end of the outer side surface of the sliding barrel 16;
wherein, the piston head at the lower end of the electric cylinder 17 is inserted into the mounting hole 22 and is fixedly connected with the slip ring 21;
wherein, electronic jar 17 and mounting hole 22 quantity all have a plurality ofly, and use slide cartridge 16 to be central symmetry distribution as the center, and design like this guarantees that electronic jar 17 can reliably drive slide cartridge 16 and reciprocate.
The first control switch 19 and the second control switch 23 both adopt single-pole double-throw switches, and the single-pole double-throw switches are adopted to conveniently control the forward and reverse rotation of the electric cylinder 17, the electric hydraulic push rod 12 and the speed reducing motor 14.
When the portable shallow sampling drilling machine for geological exploration is used, the speed reduction motor 14 is controlled to rotate to drive the screw 15 to rotate and insert the screw into the ground, so that the mounting ring 9 is fixed above the ground surface, attention needs to be paid to keeping the drill rod 3 vertically downward in the process of sequentially inserting the plurality of screws 15 into the ground, the sliding ring 21 is located at the lowest point of the sliding cylinder 16 and the drill bit 4 is not contacted with the ground, after all the screws 15 are inserted into the ground to complete the fixation of the mounting ring 9, the engine 1 can be started to drive the drill bit 4 to rotate at a high speed, and then the electric cylinder 17 is controlled to drive the sliding cylinder 16 to move downwards along the sliding ring 21 to perform shallow sampling operation; because the mounting ring 9 is fixed by the screws 15, the mounting ring 9 does not need to be tightly held by both hands, and only the mounting ring 9 needs to be kept horizontal when the mounting ring 9 is fixed, so that the arm limp and numb swelling and pain of an operator can not be caused, meanwhile, the sliding cylinder 16 is small in length and light in weight, the electric hydraulic push rod 12 can drive the machine cylinder 13 to move towards the direction close to the mounting ring 9, and therefore, the shallow layer sampling drilling machine is small in overall size, low in height, convenient to carry about, suitable for being used in rugged road or non-road areas such as mountainous areas and the like, and good in practicability.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (7)
1. The utility model provides a portable geological exploration is with shallow layer sample rig, includes engine (1) and fixed mounting in reduction gear (2) of engine (1) lower extreme, its characterized in that: a sliding cylinder (16) is fixedly arranged at the upper end of the engine (1), a sliding ring (21) is sleeved on the sliding cylinder (16) in a sliding manner, the upper surface of the slip ring (21) is provided with a mounting hole (22), a mounting ring (9) is fixedly mounted outside the slip ring (21), a plurality of mounting rods (25) are arranged on the mounting ring (9), a second control switch (23) is arranged on the mounting ring (9) at two sides of each mounting rod (25), the mounting rod (25) is provided with a mounting ring (11) in a rolling way, the side surface of the mounting ring (11) is fixedly provided with an electric hydraulic push rod (12) and a locking button (26), a machine barrel (13) is detachably and fixedly arranged on the push rod head of the electric hydraulic push rod (12), a speed reducing motor (14) is embedded in the machine barrel (13), and a screw (15) is detachably and fixedly mounted on an output shaft of the speed reducing motor (14);
a battery (18) is arranged in the sliding barrel (16), and a first control switch (19) is arranged at the upper end of the battery (18); an electric cylinder (17) is arranged on the outer side surface of the sliding cylinder (16); the electric cylinder (17) is electrically connected with the first control switch (19);
two control switches II (23) on two sides of each mounting rod (25) are respectively and electrically connected with the electric hydraulic push rod (12) on the mounting rod (25) and the speed reducing motor (14) arranged in the machine barrel (13) at the tail end of the electric hydraulic push rod (12);
the electric cylinder (17) is vertically and fixedly arranged at the upper end of the outer side surface of the sliding barrel (16);
wherein, the piston head at the lower end of the electric cylinder (17) is inserted into the mounting hole (22) and is fixedly connected with the slip ring (21);
the number of the electric cylinders (17) and the number of the mounting holes (22) are multiple, and the electric cylinders and the mounting holes are distributed in a central symmetry mode by taking the sliding cylinder (16) as a center.
2. The portable shallow sampling drilling machine for geological exploration according to claim 1, wherein: a drill rod (3) is arranged on an output shaft at the lower end of the speed reducer (2), and a drill bit (4) is installed at the lower end of the drill rod (3).
3. The portable shallow sampling drilling machine for geological exploration according to claim 1, wherein: the front surface of the engine (1) is provided with an oil tank (5); both sides of the engine (1) are provided with ventilation windows (8);
wherein a sealing plug (7) is arranged on the oil tank (5);
wherein, the front surface of the oil tank (5) is provided with a liquid level meter (6).
4. The portable shallow sampling drilling machine for geological exploration according to claim 1, wherein: the mounting ring (9) is fixedly sleeved with a plurality of anti-skidding sleeves (10) which are centrosymmetrically distributed by taking the central axis of the mounting ring (9) as the center;
the mounting rods (25) are distributed in a central symmetry mode by taking the central axis of the mounting ring (9) as the center;
wherein the distance from each mounting rod (25) to two adjacent anti-skid sleeves (10) is equal.
5. The portable shallow sampling drilling machine for geological exploration according to claim 1, wherein: the upper surface of the sliding cylinder (16) is detachably and fixedly provided with a sealing cover (20).
6. The portable shallow sampling drilling machine for geological exploration according to claim 1, wherein: and a working indicator lamp (24) is arranged on the second control switch (23).
7. The portable shallow sampling drilling machine for geological exploration according to claim 1, wherein: the first control switch (19) and the second control switch (23) both adopt single-pole double-throw switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910773198.XA CN110485913B (en) | 2019-08-21 | 2019-08-21 | Portable shallow layer sampling drilling machine for geological exploration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910773198.XA CN110485913B (en) | 2019-08-21 | 2019-08-21 | Portable shallow layer sampling drilling machine for geological exploration |
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| Publication Number | Publication Date |
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| CN110485913A CN110485913A (en) | 2019-11-22 |
| CN110485913B true CN110485913B (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910773198.XA Active CN110485913B (en) | 2019-08-21 | 2019-08-21 | Portable shallow layer sampling drilling machine for geological exploration |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112798330B (en) * | 2021-02-28 | 2022-07-05 | 高永富 | Pavement drilling sampling device |
| CN114541974B (en) * | 2022-04-28 | 2022-07-12 | 山西省第六地质工程勘察院有限公司 | Drilling tool for shallow drilling |
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| US5515932A (en) * | 1993-09-24 | 1996-05-14 | Venture Probe, Inc. | Apparatus and method for environmental surveying for contaminants in alluvial materials and bedrock formations |
| JPH10252051A (en) * | 1997-03-12 | 1998-09-22 | Fujita Corp | Method for determining nature of natural ground |
| CN206787842U (en) * | 2017-05-12 | 2017-12-22 | 岭南师范学院 | A kind of Labor-saving soil sampling apparatus |
| CN207215489U (en) * | 2017-09-28 | 2018-04-10 | 南京东大岩土工程勘察设计研究院有限公司 | A kind of portable sampler of ground detection |
| CN208125416U (en) * | 2017-12-10 | 2018-11-20 | 四川国测检测技术有限公司 | A kind of soil environment detection sampler |
-
2019
- 2019-08-21 CN CN201910773198.XA patent/CN110485913B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5515932A (en) * | 1993-09-24 | 1996-05-14 | Venture Probe, Inc. | Apparatus and method for environmental surveying for contaminants in alluvial materials and bedrock formations |
| JPH10252051A (en) * | 1997-03-12 | 1998-09-22 | Fujita Corp | Method for determining nature of natural ground |
| CN206787842U (en) * | 2017-05-12 | 2017-12-22 | 岭南师范学院 | A kind of Labor-saving soil sampling apparatus |
| CN207215489U (en) * | 2017-09-28 | 2018-04-10 | 南京东大岩土工程勘察设计研究院有限公司 | A kind of portable sampler of ground detection |
| CN208125416U (en) * | 2017-12-10 | 2018-11-20 | 四川国测检测技术有限公司 | A kind of soil environment detection sampler |
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