CN116448482A - Rock core sampling equipment for rock and soil reconnaissance - Google Patents
Rock core sampling equipment for rock and soil reconnaissance Download PDFInfo
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- CN116448482A CN116448482A CN202310419999.2A CN202310419999A CN116448482A CN 116448482 A CN116448482 A CN 116448482A CN 202310419999 A CN202310419999 A CN 202310419999A CN 116448482 A CN116448482 A CN 116448482A
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- 238000005070 sampling Methods 0.000 title claims abstract description 108
- 239000002689 soil Substances 0.000 title claims abstract description 68
- 239000011435 rock Substances 0.000 title claims abstract description 37
- 238000005553 drilling Methods 0.000 claims abstract description 50
- 229910000831 Steel Inorganic materials 0.000 claims description 35
- 239000010959 steel Substances 0.000 claims description 35
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 28
- 238000005056 compaction Methods 0.000 claims description 18
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 18
- 238000011835 investigation Methods 0.000 claims description 15
- 229910052742 iron Inorganic materials 0.000 claims description 14
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 210000001503 joint Anatomy 0.000 claims description 12
- 230000000087 stabilizing effect Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 6
- 229910000639 Spring steel Inorganic materials 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 230000000171 quenching effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 7
- 210000000078 claw Anatomy 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention belongs to the technical field of geological exploration, in particular to rock core sampling equipment for rock and soil exploration, which aims at the problem that soil layers with different depths can be mixed together when an existing sampling device is used for sampling. According to the invention, in the process of just starting drilling, the opening at the bottom end of the sampling tube can be plugged first to prevent soil which does not need to be sampled from entering the sampling tube, when the drilling sleeve reaches the depth of sampling, the four ground breaking cone plates are controlled to be opened simultaneously, at the moment, the tube orifice of the sampling tube is exposed, continuous drilling can be carried out, the whole sampling tube is pulled out after the sampling is finished, and the sampled soil does not slip down under the action of the stop valve.
Description
Technical Field
The invention relates to the technical field of geological exploration, in particular to rock core sampling equipment for rock and soil exploration.
Background
The geotechnical investigation refers to the activities of finding out, analyzing and evaluating the geology, environmental characteristics and geotechnical engineering conditions of a construction site according to the requirements of the construction engineering, and compiling investigation files, wherein each soil construction engineering plan is in the early stage of implementation, so that in order to detect whether the local soil is suitable for the next engineering construction, the local soil can be considered in advance, the geology can be considered, a geotechnical investigation sampling instrument is needed, various geotechnical investigation sampling instruments exist in the market, and most of common geotechnical investigation sampling instruments are portable.
The existing rock and soil investigation sampling device is searched, the drilling is firstly carried out to the target position, then the drill bit is taken out upwards, and the soil sample is collected through the barbs on the drill bit. However, in the process of taking out the soil samples upwards by the current sampling drilling tool, the soil samples with different depths in the total drilling depth are easily taken out, but the soil samples with different depths are doped together, so that the sampling result is not prepared. Therefore, the sampling treatment can be carried out on the soil with different depths, the soil is stored and carried out respectively, and the accuracy of the sampling result is improved.
Disclosure of Invention
In order to achieve the above purpose, the present invention adopts the following technical scheme: the rock core sampling equipment for rock soil investigation comprises a fixed pedestal with a hexagonal prism-shaped structure as a whole, wherein a guide rotating hole is reserved in the middle of the fixed pedestal, a driving mechanism is arranged in the guide rotating hole and comprises a limit groove formed in the top end of the guide rotating hole, an internal thread pipe is rotationally connected in the limit groove, a thread pushing pipe extending to the ground is screwed in the internal thread pipe, a connecting block is fixedly connected at the bottom end of the thread pushing pipe, a jack is formed at the bottom end of the connecting block, and a drilling sleeve is fixedly inserted in the jack; the top end of the drilling sleeve is reserved with a sleeve, an external thread locking pipe is fixedly inserted in the sleeve, the bottom end of the external thread locking pipe is rotationally connected with a connecting clamping ring with a tower-shaped structure, a sampling pipe is clamped at the opening of the bottom end of the connecting clamping ring, the whole of the sampling pipe is of a square pipe-shaped structure, and a stop valve is arranged at the opening of the bottom end of the sampling pipe; the outer wall of the bottom end of the sampling tube is positioned at four corners and is respectively connected with a ground breaking cone plate which is meshed with each other in a rotating way, one end of the ground breaking cone plate, which is far away from the tip end of the bottom, is provided with a fixing rod in an extending way, the end part of the fixing rod is fixedly provided with steel wires, the bottom end of the sampling tube, which is close to four hinging points, is provided with guide wheel holes, guide wheels are respectively arranged in the four guide wheel holes, and the four steel wires respectively penetrate through the guide wheels at the side where the four steel wires are positioned and are fixedly provided with steel wire joints; the middle of the threaded propulsion pipe is connected with a core pull rod in a sliding manner, an annular sleeve groove is formed in the circumferential outer wall of the bottom end of the core pull rod, a rope fixing ring is clamped in the annular sleeve groove, four connecting iron wires are fixed on the outer wall of the rope fixing ring, and the four connecting iron wires respectively penetrate through the side wall of the connecting clamping ring to be fixed on the corresponding steel wire connector; through setting up four cone plates that break that can open and shut and be claw shape in sampling tube bottom, the cooperation corresponds the steel wire that control was opened, can be earlier with the shutoff of sampling tube bottom opening part at the just in-process that starts of boring, and four cone plates that break are opened simultaneously to the time of reaching the degree of depth of sampling again of control, expose the mouth of pipe of sampling tube at this moment and continue to bore and can take a sample to sample soil after the sample can not slide down under the effect of check valve.
The invention is further arranged in that three supporting legs which are equidistantly distributed are fixed on the outer wall of the side face of the fixed pedestal, the whole of the supporting legs is of a shape structure, a counterweight stabilizing ring of a circular ring structure is inserted in the middle of the three supporting legs, the whole of the counterweight stabilizing ring is in a horizontal state, and a plurality of hanging member jacks are formed in the counterweight stabilizing ring; through the counter weight stabilizer ring that sets up, can improve the stability of device in the drilling process.
The invention is further arranged in that the driving mechanism further comprises a motor installation notch arranged on the upper surface of the fixed pedestal and close to the edge, a driving motor is fixed in the motor installation notch through a bolt, a driving gear is fixed at the top end of an output shaft of the driving motor, a driven gear is fixed at the top end of an internal thread pipe, the diameter of a wheel disc of the driven gear is ten times to twenty times that of the driving gear, and the driven gear is meshed with the driving gear; the limited output torque of the driving motor can be converted into the torque amplified by the driven gear, so that the drilling capability is improved; the upper surface of the fixed pedestal is close to the middle part and is fixedly provided with a compression ring with an annular structure through a bolt, the middle part of the lower surface of the compression ring is provided with an internal thread pipe, the whole of the internal thread pipe is in a gyroscopic structure, the circumferential outer wall of the internal thread pipe is provided with roller grooves at the upper side and the lower side, and a plurality of balls are rotationally connected in the roller grooves; the top end of the internal thread tube passes through the compression ring to be inserted and fixed in the middle of the driven gear; through the ball that sets up in the roller inslot, can let internal thread pipe reduce frictional force when rotating, improve transmission efficiency.
The invention further provides that two opposite butt-joint locking blocks are reserved at the top end of the threaded pushing pipe, an extension pipe matched with the butt-joint locking blocks is clamped at the top end of the threaded pushing pipe, a positioning mechanism is arranged on the outer wall of the extension pipe close to the top end, the positioning mechanism comprises a self-locking screw hole formed in the top end of the core pull rod, and a screw joint positioning screw of the self-locking screw hole is used for fixing the core pull rod when the core pull rod is connected so as to drill deeper soil layers.
The invention is further arranged in that the check valve comprises check plates hinged at the opening at the bottom end of the sampling tube and symmetrical with each other, one ends of the two check plates far away from and close to each other are tilted upwards, and compression springs are fixed between one opposite sides of the check plates and the inner wall of the sampling tube; the two sides of the broken earth cone plate are respectively provided with a magnet groove and a magnet block matched with the magnet grooves, and permanent magnets attracted with the magnet blocks are embedded in the magnet grooves; the four broken earth cone plates can be sucked together to be cone-shaped before drilling, namely the pipe orifice of the sampling pipe is plugged, when the whole sampling pipe descends to drill the earth for sampling, the soil layer breaks through the check plate to move upwards, the soil layer cannot continuously descend after moving upwards to be higher than the check plate, and then the whole soil can be pulled upwards to be taken out.
The invention is further arranged in that the inner wall of the sampling tube is provided with an anti-torsion slot, the anti-torsion slot is slidably connected with two semicircular storage tubes, the two semicircular storage tubes form a tubular structure, and the top ends of the two semicircular storage tubes are in threaded connection with the same internal thread cap; the two semicircular storage pipes are used for being combined together, so that the soil sample is conveniently taken out integrally, when the soil sample is required to be sampled, the two semicircular storage pipes are taken out integrally from the top end of the sampling pipe firstly, and then the two semicircular storage pipes are separated; an abutting spring is arranged between the top end of the internal thread cap and the top inner wall of the connecting clamping ring, the top end of the abutting spring is fixed on the connecting clamping ring, and two semicircular storage pipes can be tightly abutted against the inner wall of the sampling pipe.
The invention is further arranged in that the peripheral outer wall of the bottom end of the external thread locking tube is reserved with a convex flash, the peripheral outer wall of the connecting snap ring is fixed with an anti-drop guard ring which is matched with the flash near the top end, the bottom end of the external thread locking tube is provided with ball clamping grooves which are distributed at equal intervals, small steel balls are clamped in the ball clamping grooves, the peripheral outer wall of the connecting snap ring is provided with four rope perforations which are distributed centripetally near the top end, and the connecting iron wires slide in the rope perforations and leave gaps with the inner walls of the rope perforations, so that the four connecting iron wires can be driven to be pulled upwards when the core pull rod is pulled upwards.
The invention is further arranged in that the top ends of the four steel wires are respectively fixed with a steel wire joint, the bottom ends of the connecting iron wires are respectively fixed with a clamping plug matched with the steel wire joints, the steel wire joints in the embodiment are tubular members with internal threads, the clamping plugs at the ends of the connecting iron wires are external threaded members, and the external threaded members are only required to be separated from the external threaded members during butt joint.
The invention is further arranged in that a clamping groove is formed on the outer wall of the sampling tube near the top end, a backstop clamping buckle is reserved in the clamping groove, and a self-locking tooth slot matched with the backstop clamping buckle is reserved on the inner wall of the connecting clamping ring near the bottom end; the retaining buckle is made of spring steel material; through the retaining buckle that sets up, can let the connection snap ring and the sampling tube butt joint that the bottom cup jointed inseparabler, improve anticreep effect.
The invention is further arranged in that the opening at the bottom end of the drilling sleeve is arranged into a zigzag structure, the bottom end of the drilling sleeve is subjected to quenching treatment, two observation ports which are mutually in central symmetry are arranged on the circumferential outer wall of the drilling sleeve, the positions of the two observation ports are matched with the positions of the backstop buckles, and the backstop buckles are conveniently contacted from the outside directly so as to separate the sampling tube from the connecting clamping ring; six to eight soil loosening shovel plates which are obliquely arranged are fixed on the circumferential outer wall of the drilling sleeve close to the bottom end, and all the soil loosening shovel plates are spirally distributed on the circumferential outer wall of the drilling sleeve; the top end of the drilling sleeve is hinged with two mutually symmetrical compaction plates, the whole of the two compaction plates expands outwards, one opposite side of the two compaction plates, which is close to the top end, is fixed with reset springs, and one ends of the reset springs, which are far away from the compaction plates, are respectively fixed on two sides of the connecting block; the two sides of the connecting block are respectively provided with rope pulling holes which are symmetrical to each other and are communicated with the inside of the threaded pushing pipe, reset rope pulling is slidably arranged in each of the two rope pulling holes, and two ends of the reset rope pulling are respectively fixed at the top ends of the core pulling rod and the compaction plate at the side where the core pulling rod is positioned; through the compaction board that expands to both sides that sets up, can be at the in-process that drills to the continuous thrust to both sides of loose soil, the setting of cooperation shovel board loosens the soil, can slightly enlarge the hole that the sleeve was drilled of will boring to keep this diameter always, reduce the resistance when being favorable to later stage to pull back.
The beneficial effects of the invention are as follows:
1. through setting up four cone plates that break that can open and shut and be claw shape in sampling tube bottom, the cooperation corresponds the steel wire that control was opened, can be earlier with the shutoff of sampling tube bottom opening part avoid not needing the soil of sample to get into the sampling tube just beginning in the in-process of boring, wait to bore four cone plates that break of control simultaneously when the sleeve reaches the degree of depth of sample, expose the mouth of pipe of sampling tube at this moment and continue to bore and can take a sample, the sample is ended again with whole extracting can, and the sample soil after the sample can not slip down under the effect of non-return valve.
2. Through setting up the check valve in sampling tube bottom mouth of pipe department, when the whole descending of sampling tube is bored the earth sample, soil layer breaks the check board and upwards moves, and the upward movement just can't continue to descend after being higher than the check board, later will wholly upwards draw again and can take out the soil that samples.
3. Through setting up the internal thread cap in supporting tight spring bottom, be used for closing two semicircle storage tubes together, be convenient for then take out the sample soil is whole, only need take out holistic two semicircle storage tubes earlier from the top of sampling tube when needs sample, afterwards with two semicircle storage tubes separately can, can avoid destroying the soil layer when observing sample soil layer, ensure the integrality of soil layer, increase investigation authenticity.
4. Through the compaction board that expands to both sides that sets up, can be at the in-process that drills to the continuous thrust to both sides of loose soil, the setting of cooperation shovel board loosens the soil, can slightly enlarge the hole that the sleeve was drilled of will boring to keep this diameter always, reduce the resistance when being favorable to later stage to pull back.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a rock-soil investigation core sampling device according to the present invention;
FIG. 2 is a front view of a rock and soil reconnaissance core sampling apparatus according to the present invention;
FIG. 3 is a top view of a structure of a core sampling device for geotechnical investigation according to the present invention;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3 of a geotechnical investigation core sampling device in accordance with the present invention;
FIG. 5 is a schematic diagram of a sampling tube in a rock and soil exploration rock core sampling device according to the present invention;
FIG. 6 is a schematic diagram of a semi-sectional perspective structure of a drilling sleeve in a rock and soil exploration core sampling apparatus according to the present invention;
FIG. 7 is an enlarged schematic view of the structure of the core sampling device for geotechnical investigation shown in FIG. 6B;
FIG. 8 is an exploded view of a drive mechanism in a rock and soil reconnaissance core sampling apparatus in accordance with the present invention;
FIG. 9 is a schematic view of the structure of the sampling tube of the present invention during drilling;
FIG. 10 is a schematic view of the structure of the sampling tube of the present invention after removal;
FIG. 11 is a schematic diagram of the structure of a sampling tube according to the present invention.
In the figure: 1. a counterweight stabilizing ring; 2. support legs; 3. a stationary pedestal; 301. a limit groove; 302. an internally threaded tube; 303. a roller groove; 4. a driven gear; 5. an extension tube; 6. a positioning mechanism; 7. a threaded push tube; 8. a drive gear; 9. a driving motor; 10. a connecting block; 11. compacting the plate; 12. drilling a sleeve; 121. an observation port; 122. a soil discharging hole; 13. a sampling tube; 131. a buckle groove; 132. a stop buckle; 133. an anti-twist slot; 134. a steel wire joint; 135. a steel wire; 136. a fixed rod; 137. a broken earth cone plate; 138. a guide wheel; 139. a guide wheel hole; 140. a compression spring; 141. a check plate; 142. a semicircular storage tube; 143. an internally threaded cap; 144. a magnet block; 145. a magnet groove; 14. a scarifying shovel plate; 15. a return spring; 16. butting locking blocks; 17. a core tie rod; 18. a clamp ring; 19. resetting the pull rope; 20. positioning pin discs; 21. an external thread locking tube; 22. a spring is abutted tightly; 23. connecting a clamping ring; 24. self-locking tooth slot; 25. a rope fixing ring; 26. an anti-drop guard ring; 27. and a small steel ball.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the present embodiment
Referring to fig. 1-11, a rock core sampling device for rock and soil exploration comprises a fixed pedestal 3 with a hexagonal prism-shaped structure as a whole, wherein a guide rotating hole is reserved in the middle of the fixed pedestal 3, a driving mechanism is arranged in the guide rotating hole, the driving mechanism comprises a limit groove 301 arranged at the top end of the guide rotating hole, an internal thread pipe 302 is rotationally connected in the limit groove 301, a thread pushing pipe 7 extending to the ground is screwed in the internal thread pipe 302, a connecting block 10 is fixedly connected at the bottom end of the thread pushing pipe 7, a jack is formed at the bottom end of the connecting block 10, and a drilling sleeve 12 is fixedly inserted in the jack; a sleeve is reserved at the top end of the drilling sleeve 12, an external thread locking pipe 21 is fixedly inserted in the sleeve, a connecting clamping ring 23 in a tower-shaped structure is rotationally connected to the bottom end of the external thread locking pipe 21, a sampling pipe 13 is clamped at the opening of the bottom end of the connecting clamping ring 23, the whole sampling pipe 13 is in a square pipe-shaped structure, and a stop valve is arranged at the opening of the bottom end of the sampling pipe 13; the outer wall of the bottom end of the sampling tube 13 is respectively and rotatably connected with ground breaking cone plates 137 which are mutually meshed together at four corners, one end of each ground breaking cone plate 137 far away from the tip end of the bottom is provided with a fixing rod 136 in an extending mode, the end part of each fixing rod 136 is fixedly provided with a steel wire 135, the bottom end of the sampling tube 13 is close to four hinging points and is provided with guide wheel holes 139, guide wheels 138 are respectively arranged in the four guide wheel holes 139, and the four steel wires 135 respectively penetrate through the guide wheels 138 at the side where the steel wire joints 134 are fixed; the middle of the threaded propulsion pipe 7 is connected with a core pull rod 17 in a sliding way, the circumferential outer wall of the bottom end of the core pull rod 17 is provided with an annular sleeve groove, a rope fixing ring 25 is clamped in the annular sleeve groove, four connecting iron wires are fixed on the outer wall of the rope fixing ring 25, and the four connecting iron wires respectively penetrate through the side wall of the connecting clamping ring 23 to be fixed on the corresponding steel wire connector 134; through setting up four cone plates 137 that can open and shut and be claw shape that are articulated in sampling tube 13 bottom, the cooperation corresponds steel wire 135 that control was opened, can be earlier with the shutoff of sampling tube 13 bottom opening part at the just in-process of beginning of boring, and four cone plates 137 that break are opened simultaneously when reaching the degree of depth of sampling again in control, expose the mouth of pipe of sampling tube 13 at this moment and continue to bore and can take a sample to the sample soil after the sample can not slip down under the effect of stopping valve.
Referring to fig. 1-2, three supporting legs 2 distributed equidistantly are fixed on the outer wall of the side face of a fixed pedestal 3, the whole of each supporting leg 2 is of a Z-shaped structure, a counterweight stabilizing ring 1 of a circular ring-shaped structure is inserted in the middle of each supporting leg 2, the whole of the counterweight stabilizing ring 1 is in a horizontal state, and a plurality of hanging member jacks are formed in the counterweight stabilizing ring 1; by means of the counterweight stabilization ring 1 provided, the stability of the device can be improved during drilling.
Referring to fig. 1 and 8, the driving mechanism further includes a motor installation gap formed on the upper surface of the stationary base 3 near the edge, a driving motor 9 is fixed in the motor installation gap by bolts, a driving gear 8 is fixed at the top end of an output shaft of the driving motor 9, a driven gear 4 is fixed at the top end of the internally threaded tube 302, the diameter of a wheel disc of the driven gear 4 is ten to twenty times that of the driving gear 8, and the driven gear 4 is meshed with the driving gear 8; the limited output torque of the driving motor 9 can be converted into the torque amplified by the driven gear 4, so that the drilling capability is improved; the upper surface of the fixed pedestal 3 is close to the middle part and is fixedly provided with a compression ring 18 with an annular structure through a bolt, the middle part of the lower surface of the compression ring 18 is provided with an internal thread pipe 302, the whole of the internal thread pipe 302 is in a gyroscopic structure, the circumferential outer wall of the internal thread pipe 302 is positioned at the upper side and the lower side and is provided with a roller groove 303, and a plurality of balls are rotationally connected in the roller groove 303; the top end of the internal thread pipe 302 penetrates through the compression ring 18 to be fixedly inserted in the middle of the driven gear 4; by the balls provided in the roller grooves 303, friction force can be reduced when the internally threaded tube 302 rotates, and transmission efficiency can be improved.
In the invention, two opposite butt joint locking blocks 16 are reserved at the top end of a threaded propulsion pipe 7, an extension pipe 5 matched with the butt joint locking blocks 16 is clamped at the top end of the threaded propulsion pipe 7, a positioning mechanism 6 is arranged on the outer wall of the extension pipe 5 close to the top end, the positioning mechanism 6 comprises a self-locking screw hole formed in the top end of a core pull rod 17, and a screw joint positioning screw of the self-locking screw hole is used for fixing the core pull rod 17 when the core pull rod is connected so as to drill deeper soil layers.
Referring to fig. 10 to 11, the check valve includes check plates 141 hinged at the bottom end opening of the sampling tube 13 to be symmetrical to each other, one ends of the two check plates 141 far away from and close to each other are tilted upward, and compression springs 140 are fixed between the opposite sides of the check plates 141 and the inner wall of the sampling tube 13; the two sides of the broken cone plate 137 are respectively provided with a magnet slot 145 and a magnet block 144 matched with the magnet slot 145, and the magnet slot 145 is embedded with a permanent magnet attracted with the magnet block 144; four broken earth cone plates 137 can be sucked together to be cone-shaped before drilling, namely the pipe orifice of the sampling pipe 13 is plugged, when the sampling pipe 13 integrally descends to drill the earth for sampling, the soil layer breaks through the check plate 141 to move upwards, the soil layer cannot continuously descend after moving upwards to be higher than the check plate 141, and then the soil can be taken out after the integral is pulled upwards.
Referring to fig. 4 and 10, the inner wall of the sampling tube 13 is provided with an anti-torsion slot 133, two semicircular storage tubes 142 are slidably connected in the anti-torsion slot 133, the two semicircular storage tubes 142 are combined into a tubular structure, and the top ends of the two semicircular storage tubes 142 are screwed with the same internal thread cap 143; the two semicircular storage pipes 142 are used for being combined together, so that the whole soil sample is conveniently taken out, when the soil sample needs to be sampled, the two semicircular storage pipes 142 are taken out from the top end of the sampling pipe 13, and then the two semicircular storage pipes 142 are separated; a tight spring 22 is arranged between the top end of the internal thread cap 143 and the top inner wall of the connecting clamping ring 23, and the top end of the tight spring 22 is fixed on the connecting clamping ring 23, so that the two semicircular storage tubes 142 can be tightly abutted against the inner wall of the sampling tube 13.
Referring to fig. 7, a protruding flash is reserved on the circumferential outer wall of the bottom end of the external thread lock tube 21, an anti-drop guard ring 26 matched with the flash is fixed on the circumferential outer wall of the connecting snap ring 23 near the top end, ball clamping grooves distributed at equal intervals are formed in the bottom end of the external thread lock tube 21, small steel balls 27 are clamped in the ball clamping grooves, four rope perforations distributed centripetally are formed on the circumferential outer wall of the connecting snap ring 23 near the top end, and connecting iron wires slide in the rope perforations and leave gaps with the inner walls of the rope perforations, so that the four connecting iron wires can be driven to pull upwards when the core pull rod 17 is pulled upwards, a positioning pin disc 20 is fixed on the circumferential outer wall of the external thread lock tube 21 near the top end of the drilling sleeve 12, and positioning pins are inserted on the circumferential outer wall of the positioning pin disc 20, so that synchronous rotation of the external thread lock tube 21 and the drilling sleeve 12 is ensured.
In the present invention, the top ends of the four steel wires 135 are all fixed with the steel wire connectors 134, the bottom ends of the connecting wires are respectively fixed with the clamping plugs matched with the steel wire connectors 134, the steel wire connectors 134 in the present embodiment are tubular members with internal threads, the clamping plugs at the ends of the connecting wires are external threaded members, and only the external threaded members are required to be separated from the external threaded members during butt joint.
Referring to fig. 5, a fastening groove 131 is formed on the outer wall of the sampling tube 13 near the top end, a retaining fastener 132 is reserved in the fastening groove 131, and a self-locking tooth slot 24 matched with the retaining fastener 132 is reserved on the inner wall of the connecting clamping ring 23 near the bottom end; the retaining buckle 132 is made of spring steel material; through the retaining buckle 132 that sets up, can let the connection snap ring 23 with the sampling tube 13 butt joint of bottom cup joint inseparabler, improve the anticreep effect.
Referring to fig. 5-6, the opening at the bottom end of the drilling sleeve 12 is arranged in a zigzag structure, the bottom end of the drilling sleeve 12 is subjected to quenching treatment, two observation openings 121 which are mutually in central symmetry are formed in the circumferential outer wall of the drilling sleeve 12, the positions of the two observation openings 121 are matched with the positions of the backstop buckles 132, and the backstop buckles 132 are conveniently contacted with the outside directly so as to separate the sampling tube 13 from the connecting clamping ring 23; six to eight scarifiers 14 which are obliquely arranged are fixed on the circumferential outer wall of the drilling sleeve 12 near the bottom end, and all scarifiers 14 are spirally distributed on the circumferential outer wall of the drilling sleeve 12; the top end of the drilling sleeve 12 far away from the bottom end opening is provided with soil discharging holes 122 distributed at equal distance, the top end of the drilling sleeve 12 is hinged with two compaction plates 11 which are symmetrical with each other, the whole bodies of the two compaction plates 11 expand outwards, one opposite sides of the two compaction plates 11 are close to the top end and are respectively fixed with a reset spring 15, and one ends of the reset springs 15 far away from the compaction plates 11 are respectively fixed on two sides of the connecting block 10; two sides of the connecting block 10 are respectively provided with rope pulling holes which are symmetrical to each other and are communicated with the inside of the threaded pushing pipe 7, and two rope pulling holes are respectively provided with a reset rope 19 in a sliding way, and two ends of the reset rope 19 are respectively fixed at the core pulling rod 17 and the top end of the compaction plate 11 at the side where the core pulling rod is positioned; through the compaction plates 11 which are arranged to expand towards two sides, loose soil can be pushed towards two sides continuously in the drilling process, and the holes drilled by the drilling sleeve 12 can be slightly enlarged by matching with the arrangement of the scarifier plates 14, and the diameter is kept all the time, so that the resistance is reduced when the drill sleeve is pulled backwards in the later period
When the device is used, firstly, the magnet blocks 144 on the side surface of the broken earth cone plate 137 are attracted with the permanent magnets on the side surface of the other broken earth cone plate 137 before drilling so as to attract the four broken earth cone plates 137 together to be cone-shaped; then, the drilling angle is adjusted, and the balancing weight is pressed on the balancing weight stabilizing ring 1; drilling can be performed by starting the driving motor 9; at the moment, the four combined ground breaking cone plates 137 plug the pipe orifice of the sampling pipe 13, so that the sampling pipe 13 is prevented from being filled with unnecessary soil layers in the advancing process of the drilling sleeve 12; then, through setting up four broken earth cone plates 137 that hinge in sampling tube 13 bottom can open and shut and be claw shape, the cooperation is corresponding steel wire 135 that control was opened, pulls the core pull rod 17 again upwards when boring to the degree of depth of sampling, forces four broken earth cone plates 137 to open simultaneously under four steel wire 135's pulling traction action, exposes the mouth of pipe of sampling tube 13 at this moment and continues to bore and to take a sample, and the sample soil after the sample can not slide down under the effect of stopping valve.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The rock core sampling equipment for rock and soil investigation comprises a fixed pedestal (3) which is integrally in a hexagonal prism structure, wherein a guide rotating hole is reserved in the middle of the fixed pedestal (3), and a driving mechanism is arranged in the guide rotating hole, and the rock core sampling equipment is characterized in that the driving mechanism comprises a limit groove (301) which is formed in the top end of the guide rotating hole, an inner threaded pipe (302) is rotationally connected in the limit groove (301), a threaded propelling pipe (7) which extends to the ground is screwed in the inner threaded pipe (302), a connecting block (10) is fixedly connected to the bottom end of the threaded propelling pipe (7), a jack is formed in the bottom end of the connecting block (10), and a drilling sleeve (12) is fixedly inserted in the jack; a sleeve is reserved at the top end of the drilling sleeve (12), an external thread locking pipe (21) is fixedly inserted into the sleeve in a splicing way, a connecting clamping ring (23) with a tower-shaped structure is rotationally connected to the bottom end of the external thread locking pipe (21), a sampling pipe (13) is clamped at the bottom end opening of the connecting clamping ring (23), the whole sampling pipe (13) is of a square pipe-shaped structure, and a stop valve is arranged at the bottom end opening of the sampling pipe (13); the outer wall of the bottom end of the sampling tube (13) is respectively and rotatably connected with ground breaking cone plates (137) which are mutually meshed together at four corners, one ends of the ground breaking cone plates (137) far away from the tip end of the bottom are respectively provided with fixing rods (136) in an extending mode, the end parts of the fixing rods (136) are respectively fixedly provided with steel wires (135), the bottom end of the sampling tube (13) is close to four hinging points and is provided with guide wheel holes (139), guide wheels (138) are respectively arranged in the four guide wheel holes (139), and the four steel wires (135) respectively penetrate through the guide wheels (138) on the side where the steel wires (134) are arranged; the middle sliding connection of screw propulsion pipe (7) has core pull rod (17), and open the bottom circumference outer wall of core pull rod (17) has annular sleeve groove, and the joint has rope fixed ring (25) in the annular sleeve groove, and the outer wall of rope fixed ring (25) is fixed with four and connects the iron wire, and four connect the iron wire and pass the lateral wall of connecting snap ring (23) respectively and fix on corresponding steel wire joint (134).
2. The rock and soil reconnaissance rock core sampling device according to claim 1, wherein three supporting legs (2) distributed at equal intervals are fixed on the outer wall of the side face of the fixed pedestal (3), the whole supporting legs (2) are of a Z-shaped structure, a balance weight stabilizing ring (1) with the same annular structure is inserted in the middle of the three supporting legs (2), the whole balance weight stabilizing ring (1) is in a horizontal state, and a plurality of hanging member jacks are formed in the balance weight stabilizing ring (1).
3. The rock-soil investigation rock core sampling device according to claim 1, wherein the driving mechanism further comprises a motor installation notch arranged on the upper surface of the fixed pedestal (3) near the edge, a driving motor (9) is fixed in the motor installation notch through a bolt, a driving gear (8) is fixed at the top end of an output shaft of the driving motor (9), a driven gear (4) is fixed at the top end of the internally threaded tube (302), the diameter of a wheel disc of the driven gear (4) is ten times to twenty times that of the driving gear (8), and the driven gear (4) is meshed with the driving gear (8); a compression ring (18) with an annular structure is fixed on the upper surface of the fixed pedestal (3) close to the middle part through a bolt, a middle part of the lower surface of the compression ring (18) is provided with a female threaded pipe (302), the whole of the female threaded pipe (302) is in a gyroscopic structure, the circumferential outer wall of the female threaded pipe (302) is positioned on the upper side and the lower side, roller grooves (303) are formed in the upper side and the lower side, and a plurality of balls are rotationally connected in the roller grooves (303); the top end of the internal thread tube (302) passes through the compression ring (18) to be inserted and fixed in the middle of the driven gear (4).
4. The rock and soil reconnaissance rock core sampling device according to claim 1, wherein two opposite butt joint locking blocks (16) are reserved at the top end of the threaded pushing tube (7), an extension tube (5) matched with the butt joint locking blocks (16) is clamped at the top end of the threaded pushing tube (7), a positioning mechanism (6) is arranged on the outer wall of the extension tube (5) close to the top end, and the positioning mechanism (6) comprises a self-locking screw hole formed in the top end of a core pull rod (17), and a screw joint positioning screw of the self-locking screw hole.
5. The rock and soil investigation core sampling device according to claim 1, wherein the check valve comprises check plates (141) hinged at the bottom end opening of the sampling tube (13) and symmetrical with each other, one end of each of the two check plates (141) far away from the position close to the check plate is tilted upwards, and compression springs (140) are fixed between the opposite side of each check plate (141) and the inner wall of the sampling tube (13); the two sides of the broken earth cone plate (137) are respectively provided with a magnet groove (145) and a magnet block (144) matched with the magnet groove (145), and the magnet groove (145) is internally embedded with a permanent magnet attracted with the magnet block (144).
6. The rock and soil exploration rock core sampling device according to claim 1, wherein the inner wall of the sampling tube (13) is provided with an anti-torsion slot (133), two semicircular storage tubes (142) are connected in a sliding manner in the anti-torsion slot (133), the two semicircular storage tubes (142) are combined into a tubular structure, and the top ends of the two semicircular storage tubes (142) are connected with the same internal thread cap (143) in a threaded manner; a tight-propping spring (22) is arranged between the top end of the internal thread cap (143) and the top inner wall of the connecting snap ring (23), and the top end of the tight-propping spring (22) is fixed on the connecting snap ring (23).
7. The rock and soil reconnaissance rock core sampling device according to claim 1, wherein a protruding flash is reserved on the circumferential outer wall of the bottom end of the external thread locking tube (21), an anti-drop retainer (26) matched with the flash is fixed on the circumferential outer wall of the connecting clamping ring (23) close to the top end, ball clamping grooves distributed at equal distances are formed in the bottom end of the external thread locking tube (21), small steel balls (27) are clamped in the ball clamping grooves, four centripetal distributed rope perforations are formed on the circumferential outer wall of the connecting clamping ring (23) close to the top end, a connecting iron wire slides in the rope perforations and leaves a gap with the inner wall of the rope perforations, a positioning pin disc (20) is fixed on the circumferential outer wall of the external thread locking tube (21) close to the top end of the drilling sleeve (12), and a positioning pin is inserted in the circumferential outer wall of the positioning pin disc (20).
8. The rock and soil reconnaissance rock core sampling device according to claim 7, wherein the top ends of the four steel wires (135) are respectively fixed with a steel wire joint (134), and the bottom ends of the connecting iron wires are respectively fixed with a clamping plug matched with the steel wire joint (134).
9. The rock and soil reconnaissance rock core sampling device according to claim 1, wherein a clamping groove (131) is formed in the outer wall of the sampling tube (13) near the top end, a retaining buckle (132) is reserved in the clamping groove (131), and a self-locking tooth slot (24) matched with the retaining buckle (132) is reserved in the inner wall of the connecting clamping ring (23) near the bottom end; the retaining buckle (132) is made of spring steel material.
10. The rock and soil reconnaissance rock core sampling device according to claim 1, wherein the opening at the bottom end of the drilling sleeve (12) is arranged into a zigzag structure, the bottom end of the drilling sleeve (12) is subjected to quenching treatment, two observation ports (121) which are mutually symmetrical in center are formed in the circumferential outer wall of the drilling sleeve (12), the positions of the two observation ports (121) are matched with the positions of the retaining buckles (132), and the sampling tube (13) is conveniently and directly contacted with the retaining buckles (132) from the outside so as to be completely separated from the connecting clamping ring (23); six to eight scarifier blades (14) which are obliquely arranged are fixed on the circumferential outer wall of the drilling sleeve (12) close to the bottom end, and all scarifier blades (14) are spirally distributed on the circumferential outer wall of the drilling sleeve (12); the soil discharging holes (122) distributed at equal intervals are formed in one end, far away from the opening at the bottom end, of the top end of the drilling sleeve (12), two mutually symmetrical compaction plates (11) are hinged to the top end of the drilling sleeve (12), the whole bodies of the two compaction plates (11) expand outwards, return springs (15) are fixed to the opposite sides of the two compaction plates (11) close to the top end, and one ends, far away from the compaction plates (11), of the return springs (15) are respectively fixed to two sides of the connecting block (10); the two sides of the connecting block (10) are respectively provided with rope pulling holes which are symmetrical to each other and are communicated with the inside of the threaded pushing pipe (7), and reset rope pulling ropes (19) are slidably arranged in the two rope pulling holes, and two ends of each reset rope pulling rope (19) are respectively fixed at the top ends of the core pulling rod (17) and the compaction plate (11) on the side where the core pulling rod is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310419999.2A CN116448482A (en) | 2023-04-13 | 2023-04-13 | Rock core sampling equipment for rock and soil reconnaissance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310419999.2A CN116448482A (en) | 2023-04-13 | 2023-04-13 | Rock core sampling equipment for rock and soil reconnaissance |
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| Publication Number | Publication Date |
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| CN116448482A true CN116448482A (en) | 2023-07-18 |
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| CN202310419999.2A Pending CN116448482A (en) | 2023-04-13 | 2023-04-13 | Rock core sampling equipment for rock and soil reconnaissance |
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| CN117232891A (en) * | 2023-11-09 | 2023-12-15 | 四川省地质矿产勘查开发局九0九水文地质工程地质队 | Engineering geology reconnaissance ground detection device |
| CN117268842A (en) * | 2023-11-23 | 2023-12-22 | 华侨大学 | Sampling device for geotechnical engineering investigation and application method thereof |
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| CN117232891A (en) * | 2023-11-09 | 2023-12-15 | 四川省地质矿产勘查开发局九0九水文地质工程地质队 | Engineering geology reconnaissance ground detection device |
| CN117232891B (en) * | 2023-11-09 | 2024-03-15 | 四川省地质矿产勘查开发局九0九水文地质工程地质队 | Engineering geology reconnaissance ground detection device |
| CN117268842A (en) * | 2023-11-23 | 2023-12-22 | 华侨大学 | Sampling device for geotechnical engineering investigation and application method thereof |
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| CN117554121A (en) * | 2024-01-09 | 2024-02-13 | 甘肃有色工程勘察设计研究有限公司 | Pink soil matrix sampling device for mine ecological environment investigation |
| CN117554121B (en) * | 2024-01-09 | 2024-03-12 | 甘肃有色工程勘察设计研究有限公司 | Pink soil matrix sampling device for mine ecological environment investigation |
| CN117804827A (en) * | 2024-03-01 | 2024-04-02 | 深圳市阿特拉能源技术有限公司 | Underwater carrier carried deep sea sediment sampling equipment |
| CN118111748A (en) * | 2024-03-01 | 2024-05-31 | 河北金洋环境科技有限公司 | Continuous sampling device for soil and water conservation |
| CN117804827B (en) * | 2024-03-01 | 2024-06-04 | 深圳市阿特拉能源技术有限公司 | Underwater carrier carried deep sea sediment sampling equipment |
| CN117871182A (en) * | 2024-03-13 | 2024-04-12 | 四川川核地质工程有限公司 | Hydrologic engineering geology reconnaissance sampling device |
| CN117871182B (en) * | 2024-03-13 | 2024-05-07 | 四川川核地质工程有限公司 | Hydrologic engineering geology reconnaissance sampling device |
| CN118167302A (en) * | 2024-05-16 | 2024-06-11 | 山东省地矿工程集团有限公司 | Geological mineral multi-region drilling device and method |
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