CN117108228A - Geological investigation coring device and coring method - Google Patents
Geological investigation coring device and coring method Download PDFInfo
- Publication number
- CN117108228A CN117108228A CN202311380765.8A CN202311380765A CN117108228A CN 117108228 A CN117108228 A CN 117108228A CN 202311380765 A CN202311380765 A CN 202311380765A CN 117108228 A CN117108228 A CN 117108228A
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- Prior art keywords
- drill cylinder
- magnet
- geological survey
- drill
- groove
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000011835 investigation Methods 0.000 title description 6
- 239000002689 soil Substances 0.000 claims abstract description 27
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 18
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 18
- 241001330002 Bambuseae Species 0.000 claims abstract description 18
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 18
- 239000011425 bamboo Substances 0.000 claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 238000005553 drilling Methods 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000005191 phase separation Methods 0.000 claims description 2
- 230000002349 favourable effect Effects 0.000 abstract description 6
- 239000002184 metal Substances 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005527 soil sampling Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
-
- 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
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (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)
- Earth Drilling (AREA)
Abstract
The invention discloses a geological survey coring device and a coring method, and belongs to the technical field of geological survey, wherein the geological survey coring device comprises a drill barrel, a plurality of conical bulges are arranged at the bottom of the drill barrel, a connecting shaft is fixedly connected to the top of the drill barrel, a sleeve is sleeved on the outer side of the connecting shaft, and the connecting shaft is matched with the sleeve through a clamping assembly; the inner bottom end of the drill cylinder is provided with a detection assembly in a sliding manner; when there is hard thing in the soil, bore a section of thick bamboo then can continuously for ring magnet downwardly moving for the magnetic path aligns with ring magnet, and then shifts out the fixture block from the draw-in groove, makes bore a section of thick bamboo stop rotating, has avoided pivoted arch and hard thing contact on the one hand, is favorable to protecting boring the arch of a section of thick bamboo bottom, avoids its wearing and tearing, and on the other hand also can keep motor operation's steady, avoids the motor to produce reaction force to operating personnel, is favorable to protecting operating personnel.
Description
Technical Field
The invention relates to the technical field of geological investigation, in particular to a geological investigation coring device and a coring method.
Background
Geological exploration is to survey and detect geology through various means and methods, and a geological exploration sampling tool is an indispensable tool in the geological exploration process.
Chinese patent CN219495698U discloses a geological survey corer comprising: the utility model provides a soil sampling device, including fixing frame, limiting groove has been seted up to the preceding terminal surface of fixing frame, limiting groove's inside is provided with elevating system, be provided with slewing mechanism between limiting groove's inside and one side of fixing frame, remove this device to appointed place and pedal two conical heads through mentioning the handle frame and fix it with inserting soil, open the motor and drive bore a section of thick bamboo and rotate, bore a section of thick bamboo and drive the shock attenuation board through the hollow shaft and drive the drill bit through the hollow shaft and rotate, thereby upwards carry the soil from the sampling mouth of hollow shaft to bore the inside of a section of thick bamboo and accomplish the sample, drive the second bevel gear through rotating the dwang and rotate simultaneously, the first bevel gear of second bevel gear drive threaded rod rotates and makes the screw thread piece drive the connecting plate and carry out the screw thread at the surface of threaded rod and descend and drive sampling mechanism, accomplish the regulation that needs the sampling depth, the device of being convenient for carries out deep sample.
The device performs coring operation through the set drilling barrel and the drill bit, but in the actual use process, when hard objects such as metal or stone exist in soil, the rotating drill bit is contacted with the hard objects, so that on one hand, the drill bit can be damaged, on the other hand, the hard objects can generate larger resistance to the rotating drill bit, so that corresponding reaction force is generated to an external power component for driving the drilling barrel to rotate, and certain potential safety hazards exist for workers.
Accordingly, there is a need for a geological survey coring apparatus and method that address the above-identified issues.
Disclosure of Invention
The invention aims to provide a geological investigation coring device and a coring method, which are used for solving the problem that the conventional device provided in the background art performs coring operation through a drill barrel and a drill bit, but in the actual use process, when hard objects such as metal or stone exist in soil, the rotating drill bit is contacted with the hard objects, so that the drill bit is damaged on one hand.
Based on the thought, the invention provides the following technical scheme: the geological investigation coring device comprises a drilling barrel, wherein a plurality of conical bulges are arranged at the bottom of the drilling barrel, a connecting shaft is fixedly connected to the top of the drilling barrel, a sleeve is sleeved on the outer side of the connecting shaft, and the connecting shaft is matched with the sleeve through a clamping assembly;
the inside bottom slip of boring a section of thick bamboo is provided with the detection component, be connected with the magnetic path on boring a section of thick bamboo inner wall elasticity, and be provided with the stay cord between magnetic path and the joint component, when boring a section of thick bamboo for detecting the subassembly and continuously move down and make magnetic path and detection component align, the magnetic path produces pulling force and makes joint component and sleeve phase separation to the joint component through the stay cord.
As a further scheme of the invention: the detection assembly comprises a ring magnet, the ring magnet is arranged at the bottom end inside the drill cylinder in a sliding mode, a plurality of inserting rods are fixedly connected to the bottom surface of the ring magnet, different magnetic poles are arranged on the surface, opposite to the magnetic blocks, of the ring magnet, a spiral limiting groove is formed in the peripheral surface of the outer side of the ring magnet, a limiting shaft matched with the limiting groove is elastically connected to the inner wall of the drill cylinder, the part, located on the outer side of the sleeve, of the limiting shaft is an extruding portion, and the extruding portion is in a round table shape.
As a further scheme of the invention: the clamping assembly comprises a clamping block which is elastically connected with the connecting shaft, one end of the pull rope is fixedly connected with the clamping block, and the other end of the pull rope is fixedly connected with the magnetic block.
As a further scheme of the invention: the inner wall of the sleeve is provided with a clamping groove matched with the clamping block.
As a further scheme of the invention: the inner wall bottom of the drill cylinder is provided with an annular groove, the annular magnet is arranged in the annular groove in a sliding mode, a guide ring is fixedly arranged at the top end of the annular groove, and the inner peripheral surface of the guide ring is obliquely arranged.
As a further scheme of the invention: the inner peripheral surface and the bottom surface of the annular magnet are both provided with second inclined planes, and the second inclined planes are of annular structures.
As a further scheme of the invention: the inner wall of the drill cylinder is provided with a round hole, the limiting shaft is arranged inside the round hole in a sliding mode, a second spring is arranged in the round hole, and two ends of the second spring are fixedly connected with the limiting shaft and one surface, opposite to the round hole, of the limiting shaft respectively.
As a further scheme of the invention: the inner wall of the drill cylinder is provided with a mounting groove, the mounting groove is positioned above the round hole, and the magnetic block is elastically arranged in the mounting groove.
As a further scheme of the invention: the drill cylinder is characterized in that a shell is arranged above the drill cylinder, a grip is fixedly connected to the outer side of the shell, a motor is fixedly installed inside the shell, an output shaft of the motor is in transmission connection with a sleeve, and the sleeve penetrates through the shell and is in rotary connection with the shell.
A method of coring using the geological survey coring apparatus described above, comprising the steps of:
s1, placing a drill cylinder on the ground, enabling a plug rod to be inserted into soil, and driving the drill cylinder to rotate through a motor to perform drilling operation;
s2, when hard objects exist in the soil, the inserted link can be firstly contacted with the hard objects, the drill cylinder continuously moves downwards relative to the annular magnet and the inserted link, when the magnet at the inner wall of the drill cylinder is aligned with the annular magnet, the magnet can be driven to move towards the center of the drill cylinder by the attraction force of the annular magnet to the magnet, and then a pulling force is formed on the clamping block by the pull rope, so that the clamping block can be driven to move out of the clamping groove, and the drill cylinder stops rotating.
Compared with the prior art, the invention has the beneficial effects that: the device detects the hard object in the soil through the cooperation of joint subassembly and detection subassembly in the in-process of boring, normal boring process in, bore the arch of section of thick bamboo bottom and be located the top of inserted bar all the time, when there is the hard object in the soil, bore a section of thick bamboo and then can continuously move down for ring magnet for the magnet aligns with ring magnet, and then shift out the fixture block from the draw-in groove, make bore a section of thick bamboo stop rotation, on the one hand avoided pivoted arch and hard object contact, be favorable to protecting boring the protruding of section of thick bamboo bottom, avoid its wearing and tearing, on the other hand also can keep motor operation steadily, avoid the motor to produce reaction force to operating personnel, be favorable to protecting operating personnel.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a projection and plunger distribution diagram of the present invention;
FIG. 3 is a partial cross-sectional view of the present invention;
FIG. 4 is a schematic view of the ring magnet of the present invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 3A according to the present invention;
FIG. 6 is an enlarged schematic view of the structure of FIG. 3B in accordance with the present invention;
FIG. 7 is an enlarged schematic view of the structure of FIG. 3 at C in accordance with the present invention;
FIG. 8 is a schematic view of a spacing shaft of the present invention;
FIG. 9 is a schematic view of the guide ring structure of the present invention;
FIG. 10 is a view of a use scenario of the present invention;
FIG. 11 is a schematic view of the structure of the support ring and the fixing ring of the present invention.
In the figure: 1. drilling a cylinder; 2. a protrusion; 3. a connecting shaft; 4. a sleeve; 5. a housing; 6. a rod; 7. a first inclined surface; 8. a limit groove; 9. a ring magnet; 10. a guide ring; 11. a pull rope; 12. a plug-in part; 13. a first spring; 14. a magnetic block; 15. a second inclined surface; 16. a round hole; 17. a limiting shaft; 18. a second spring; 19. an extrusion part; 20. drilling holes; 21. a grip; 22. a clamping groove; 23. a clamping block; 24. a third spring; 25. a groove; 26. a support ring; 27. and a fixing ring.
Detailed Description
As shown in fig. 1-3, a geological survey coring device and a coring method thereof, the geological survey coring device comprises a drill barrel 1, wherein a plurality of conical bulges 2 are fixedly arranged at the bottom of the drill barrel 1 so that the drill barrel 1 can be drilled into soil, a shell 5 is arranged above the drill barrel 1 so as to drive the drill barrel 1 to rotate, a grip 21 is fixedly connected to the outer side of the shell 5 so as to be convenient for a worker to hold, a motor is fixedly arranged in the shell 5, an output shaft of the motor is in transmission connection with a sleeve 4, the sleeve 4 penetrates through the shell 5 and is in rotary connection with the shell, a connecting shaft 3 connected with the sleeve 4 is fixedly connected to the center of the top end face of the drill barrel 1, specifically, the top end of the connecting shaft 3 extends into the sleeve 4 and is in rotary connection with the sleeve 4, and the connecting shaft 3 is matched with the sleeve 4 through a clamping assembly.
In the practical application process, because hard objects such as metal or stone exist in soil, when the bulge 2 rotating at the bottom of the drill barrel 1 contacts with the hard objects, the rotation of the drill barrel 1 can be subjected to larger resistance, so that corresponding reaction force is generated on a motor, the motor has a rotating trend, the whole control of the equipment is more forceful by workers, and the bulge 2 at the bottom of the drill barrel 1 can be also caused to be lost to a certain extent by the hard objects, based on the problems, the detection assembly is slidably arranged at the inner bottom end of the drill barrel 1, the bulge 2 does not exceed the bottommost end of the detection assembly in the downward drilling process, and when the hard objects exist in the soil, the detection assembly can firstly contact with the hard objects and stop moving downwards, so that the drill barrel 1 can continuously move downwards relative to the detection assembly; the drill pipe 1 is elastically provided with the magnetic block 14 matched with the lifting assembly, and the magnetic block 14 is connected with the clamping assembly through the pull rope 11, when the magnetic block 14 moves downwards to the detection assembly along with the drill pipe 1, the pull rope 11 pulls the clamping assembly and causes the clamping assembly to be separated from the sleeve 4, so that the sleeve 4 is in a state of rotating alone, the condition that the drill pipe 1 continues to rotate to cause the protrusion 2 to contact with a hard object is avoided, on one hand, the protection of the drill pipe 1 is facilitated, on the other hand, the stable operation of a motor can be ensured, and the protection of staff is ensured.
In actual use, the top of the drilling cylinder 1 can be provided with ventilation holes, so that the influence of air pressure on drilling is avoided.
As shown in fig. 2-8 and 10, the above-mentioned detection assembly includes a ring magnet 9, the ring magnet 9 is slidably disposed at the bottom end inside the drill pipe 1, the inner peripheral surface and the bottom surface of the ring magnet 9 are both provided with a second inclined surface 15, the second inclined surface 15 has a ring structure, and by this structure, when the ring magnet 9 moves up and down, the soil can be pushed toward the center of the drill pipe 1;
a plurality of inserting rods 6 are fixedly connected to the bottom surface of the annular magnet 9, the bottom ends of the inserting rods 6 are inserting parts 12, and the inserting parts 12 are of pyramid-shaped structures, so that the inserting rods 6 can be inserted into soil conveniently;
the surface of the ring magnet 9 opposite to the magnetic block 14 is provided with different magnetic poles;
the outer peripheral surface of the annular magnet 9 is provided with a spiral limit groove 8, the top end surface of the limit groove 8 is provided with a first inclined surface 7, the inner wall of the drill cylinder 1 is elastically connected with a limit shaft 17 matched with the limit groove 8, when the limit shaft 17 pops up and is placed in the limit groove 8, the limit shaft 17 is driven to slide in the limit groove 8 along with the drill cylinder 1, and the annular magnet 9 and the inserted link 6 can be driven to move downwards in soil;
the structure of the limiting shaft 17 is shown in fig. 8, and the portion of the limiting shaft 17 disposed outside the sleeve 4 is a pressing portion 19, specifically, the pressing portion 19 is in a shape of a circular truncated cone, that is, the outer circumferential surface of the pressing portion 19 is inclined, so that when the pressure between the limiting shaft 17 and the side edge of the limiting groove 8 is too high, the limiting shaft 17 is pressed and moves out of the limiting groove 8.
The clamping assembly comprises a clamping block 23 elastically connected with the connecting shaft 3, one end of the pull rope 11 is fixedly connected with the clamping block 23, and the other end of the pull rope 11 extends into the connecting shaft 3 and the drill barrel 1 and is finally fixedly connected with the magnetic block 14.
In order to match with the clamping assembly, a clamping groove 22 matched with a clamping block 23 is formed in the inner wall of the sleeve 4, when the clamping block 23 is arranged in the clamping groove 22, the connecting shaft 3 and the sleeve 4 can be connected with each other, so that the motor can drive the sleeve 4 and the connecting shaft 3 to rotate, and then the drill cylinder 1 is driven to rotate for drilling and coring operation.
In actual use, the drill barrel 1 is placed on the ground, the inserted link 6 is inserted into the soil, the drill barrel 1 is driven to rotate by the motor to perform drilling operation, as shown in fig. 10, the bulge 2 at the bottom of the drill barrel 1 is always located at the inner bottom surface of the drill hole 20, the inserted link 6 is inserted into the soil, the annular magnet 9 and the inserted link 6 can be prevented from rotating along with the drill barrel 1 through the limit of the soil on the inserted link 6, specifically, when the limit shaft 17 is placed in the limit groove 8, on the one hand, the annular magnet 9 can slowly move downwards along with the drill barrel 1, on the other hand, due to the rotation of the drill barrel 1, the limit shaft 17 rotates in the limit groove 8, so that the annular magnet 9 moves downwards relative to the drill barrel 1 and is continuously inserted into the soil, and due to the fact that the top end surface of the limit groove 8 is set to be the first inclined surface 7, when the limit shaft 17 slides to the top end of the limit groove 8, the drill barrel 1 and the annular magnet 9 can be led out through the first inclined surface 7, after the limit shaft 17 is led out of the limit groove 8, the drill barrel 1 and the annular magnet 9 are in a state of being separated briefly, and subsequently, when the limit shaft 17 continues to drill down the limit groove 8, the drill barrel 1 is continuously drills downwards, on the inner wall of the limit shaft 1 and the inner wall of the drill barrel 1 can be inserted into the limit groove 8 again, and the annular magnet 17 can not move along with the limit groove 6, and the drill barrel 1 can be continuously in the limit groove 1, and the position and the upper end of the limit link 1;
when hard objects such as metal or stone exist in the soil, the inserted rod 6 is firstly contacted with the hard objects, the inserted rod 6 is inserted into the soil and is not rotated, the inserted rod 6 can be prevented from moving downwards through the hard objects, the inserted rod 6 is kept in a relatively stable state, when the limiting shaft 17 moves in the limiting groove 8, the limiting shaft 17 contacts with the side edge of the limiting groove 8 and has larger pressure, the limiting shaft 17 can be extruded into the drill barrel 1, so that the limiting shaft 17 moves out of the limiting groove 8, when the hard objects exist in the soil, the inserted rod 6 is kept stable, the drill barrel 1 continuously moves downwards relative to the annular magnet 9 and the inserted rod 6, when the magnetic block 14 at the inner wall of the drill barrel 1 is aligned with the annular magnet 9, the magnetic block 14 can be driven to move towards the center of the drill barrel 1 through the attraction force of the annular magnet 9, and further, the clamping block 23 can be driven to move out of the clamping groove 22 through the 11 pairs of clamping blocks 23, and the drill barrel 3 can not be driven to rotate continuously, and the drill barrel 1 can not be driven to rotate continuously.
In summary, this device detects the hard thing in the soil through the cooperation of joint subassembly and detection subassembly at the in-process of boring, normal boring process, the protruding 2 of bore 1 bottom is located the top of inserted bar 6 all the time, when there is the hard thing in the soil, bore 1 then can continuously move down for ring magnet 9 for magnet 14 aligns with ring magnet 9, and then shift out fixture block 23 from draw-in groove 22, make bore 1 stop rotating, on the one hand, avoid pivoted protruding 2 to contact with the hard thing, be favorable to protecting the protruding 2 of bore 1 bottom, avoid its wearing and tearing, on the other hand also can keep motor operation's steady, avoid the motor to produce reaction force to operating personnel, be favorable to protecting operating personnel.
As shown in fig. 3 and 9, an annular groove is formed in the bottom end of the inner wall of the drill barrel 1, and the annular magnet 9 is slidably arranged in the annular groove, so that the annular protrusion 2 can move in the vertical direction relative to the drill barrel 1, a guide ring 10 is fixedly arranged at the top end of the annular groove, and the inner peripheral surface of the guide ring 10 is obliquely arranged to prevent soil from being extruded at the top end of the annular groove.
As shown in fig. 5-7, a circular hole 16 is formed in the inner wall of the drill barrel 1, a limiting shaft 17 is slidably arranged in the circular hole 16, a second spring 18 is installed in the circular hole 16, and two ends of the second spring 18 are fixedly connected with the limiting shaft 17 and one surface opposite to the circular hole 16, so that elastic connection between the limiting shaft 17 and the drill barrel 1 is achieved.
The inner wall of the drill cylinder 1 is provided with a mounting groove, the mounting groove is positioned above the round hole 16, the magnetic block 14 is slidably arranged in the mounting groove, one end, close to the annular magnet 9, of the mounting groove is integrally formed with a baffle ring part, the magnetic block 14 is prevented from falling off, and a first spring 13 is arranged between the baffle ring part and the magnetic block 14, so that elastic connection between the magnetic block 14 and the drill cylinder 1 is realized.
The outer circumferential surface of the connecting shaft 3 is provided with a groove 25, the clamping block 23 is slidably arranged in the groove 25, a third spring 24 is arranged in the groove 25, and two ends of the third spring 24 are fixedly connected with the clamping block 23 and one surface opposite to the groove 25 respectively, so that elastic connection between the clamping block 23 and the connecting shaft 3 is realized.
One end of the pull rope 11 is disposed in the groove 25 and fixedly connected with the clamping block 23, the other end of the pull rope 11 is disposed in the mounting groove and fixedly connected with the magnetic block 14, and one end of the pull rope 11 connected with the magnetic block 14 is disposed on one side of the magnetic block 14 away from the first spring 13, and the pull rope 11 passes through the connecting shaft 3 and the drill barrel 1 and is slidably connected with the connecting shaft 3 and the drill barrel 1.
As shown in fig. 11, for stable connection between the drill barrel 1 and the casing 5, the support ring 26 may be fixedly connected to the bottom end surface of the casing 5, and the top end surface of the drill barrel 1 is fixedly connected with the fixing ring 27, where the fixing ring 27 is sleeved on the outer side of the support ring 26 and rotationally connected to the support ring 26, and in actual use, the fixing ring 27 and the support ring 26 may be rotationally matched through bearings, and of course, an annular connection groove may be formed on the inner wall of the fixing ring 27, and a convex ring is fixedly connected to the outer peripheral surface of the support ring 26 and rotationally arranged in the annular connection groove.
Claims (10)
1. The utility model provides a geological survey coring device, includes bores a section of thick bamboo, bores the bottom of section of thick bamboo and is provided with a plurality of coniform archs, its characterized in that: the top of the drill cylinder is fixedly connected with a connecting shaft, a sleeve is sleeved on the outer side of the connecting shaft, and the connecting shaft is matched with the sleeve through a clamping assembly;
the inside bottom slip of boring a section of thick bamboo is provided with the detection component, be connected with the magnetic path on boring a section of thick bamboo inner wall elasticity, and be provided with the stay cord between magnetic path and the joint component, when boring a section of thick bamboo for detecting the subassembly and continuously move down and make magnetic path and detection component align, the magnetic path produces pulling force and makes joint component and sleeve phase separation to the joint component through the stay cord.
2. A geological survey coring apparatus as claimed in claim 1, wherein: the detection assembly comprises a ring magnet, the ring magnet is arranged at the bottom end inside the drill cylinder in a sliding mode, a plurality of inserting rods are fixedly connected to the bottom surface of the ring magnet, different magnetic poles are arranged on the surface, opposite to the magnetic blocks, of the ring magnet, a spiral limiting groove is formed in the peripheral surface of the outer side of the ring magnet, a limiting shaft matched with the limiting groove is elastically connected to the inner wall of the drill cylinder, the part, located on the outer side of the sleeve, of the limiting shaft is an extruding portion, and the extruding portion is in a round table shape.
3. A geological survey coring apparatus as claimed in claim 2, wherein: the clamping assembly comprises a clamping block which is elastically connected with the connecting shaft, one end of the pull rope is fixedly connected with the clamping block, and the other end of the pull rope is fixedly connected with the magnetic block.
4. A geological survey coring apparatus as claimed in claim 3, wherein: the inner wall of the sleeve is provided with a clamping groove matched with the clamping block.
5. A geological survey coring apparatus as claimed in claim 2, wherein: the inner wall bottom of the drill cylinder is provided with an annular groove, the annular magnet is arranged in the annular groove in a sliding mode, a guide ring is fixedly arranged at the top end of the annular groove, and the inner peripheral surface of the guide ring is obliquely arranged.
6. A geological survey coring apparatus as claimed in claim 2, wherein: the inner peripheral surface and the bottom surface of the annular magnet are both provided with second inclined planes, and the second inclined planes are of annular structures.
7. A geological survey coring apparatus as claimed in claim 2, wherein: the inner wall of the drill cylinder is provided with a round hole, the limiting shaft is arranged inside the round hole in a sliding mode, a second spring is arranged in the round hole, and two ends of the second spring are fixedly connected with the limiting shaft and one surface, opposite to the round hole, of the limiting shaft respectively.
8. A geological survey coring apparatus as set forth in claim 7, wherein: the inner wall of the drill cylinder is provided with a mounting groove, the mounting groove is positioned above the round hole, and the magnetic block is elastically arranged in the mounting groove.
9. A geological survey coring apparatus as claimed in claim 1, wherein: the drill cylinder is characterized in that a shell is arranged above the drill cylinder, a grip is fixedly connected to the outer side of the shell, a motor is fixedly installed inside the shell, an output shaft of the motor is in transmission connection with a sleeve, and the sleeve penetrates through the shell and is in rotary connection with the shell.
10. A method of coring using a geological survey coring apparatus as claimed in any one of claims 1 to 9, comprising the steps of:
s1, placing a drill cylinder on the ground, enabling a plug rod to be inserted into soil, and driving the drill cylinder to rotate through a motor to perform drilling operation;
s2, when hard objects exist in the soil, the inserted link can be firstly contacted with the hard objects, the drill cylinder continuously moves downwards relative to the annular magnet and the inserted link, when the magnet at the inner wall of the drill cylinder is aligned with the annular magnet, the magnet can be driven to move towards the center of the drill cylinder by the attraction force of the annular magnet to the magnet, and then a pulling force is formed on the clamping block by the pull rope, so that the clamping block can be driven to move out of the clamping groove, and the drill cylinder stops rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311380765.8A CN117108228B (en) | 2023-10-24 | 2023-10-24 | Geological investigation coring device and coring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311380765.8A CN117108228B (en) | 2023-10-24 | 2023-10-24 | Geological investigation coring device and coring method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117108228A true CN117108228A (en) | 2023-11-24 |
| CN117108228B CN117108228B (en) | 2023-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311380765.8A Active CN117108228B (en) | 2023-10-24 | 2023-10-24 | Geological investigation coring device and coring method |
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| Country | Link |
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| CN (1) | CN117108228B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117363450A (en) * | 2023-12-08 | 2024-01-09 | 山西天庆诚力诚醋业有限公司 | Vinegar spraying device for vinegar making |
| CN117780282A (en) * | 2024-02-27 | 2024-03-29 | 山西省第三地质工程勘察院有限公司 | Geological investigation coring device and coring method |
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| CN116202810A (en) * | 2023-04-25 | 2023-06-02 | 山西地丘环境科技有限公司 | Ecological environment geology reconnaissance sampling device |
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| CN117363450A (en) * | 2023-12-08 | 2024-01-09 | 山西天庆诚力诚醋业有限公司 | Vinegar spraying device for vinegar making |
| CN117363450B (en) * | 2023-12-08 | 2024-03-26 | 山西天庆诚力诚醋业有限公司 | Vinegar spraying device for vinegar making |
| CN117780282A (en) * | 2024-02-27 | 2024-03-29 | 山西省第三地质工程勘察院有限公司 | Geological investigation coring device and coring method |
| CN117780282B (en) * | 2024-02-27 | 2024-04-30 | 山西省第三地质工程勘察院有限公司 | Geological investigation coring device and coring method |
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