CN220339705U - Drilling sampling device for rock and soil exploration - Google Patents
Drilling sampling device for rock and soil exploration Download PDFInfo
- Publication number
- CN220339705U CN220339705U CN202321779886.5U CN202321779886U CN220339705U CN 220339705 U CN220339705 U CN 220339705U CN 202321779886 U CN202321779886 U CN 202321779886U CN 220339705 U CN220339705 U CN 220339705U
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- 238000005070 sampling Methods 0.000 title claims abstract description 78
- 238000005553 drilling Methods 0.000 title claims abstract description 67
- 239000002689 soil Substances 0.000 title claims abstract description 38
- 239000011435 rock Substances 0.000 title claims abstract description 36
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a drilling sampling device for rock and soil exploration, which comprises a frame, a drilling assembly, a sampling assembly, a supporting assembly and a limiting assembly, wherein the drilling assembly is arranged in the middle of the frame, the sampling assembly is arranged below the drilling assembly, the supporting assembly is arranged below the frame, the limiting assembly is arranged in the middle of the lower part of the frame, the drilling assembly comprises a drill rod, a drill shaft, a helical blade, a first drill bit and a second drill bit, and the drill shaft is arranged in the drill rod in a penetrating manner; the sampling assembly is inserted in the lower part of the drill rod, and is connected with a limiting block arranged in the drill rod along the radial direction through a sliding block arranged at the outer extension of the upper end, and the beneficial effects are that: according to the utility model, during sampling, the sharp spiral blades assist in breaking larger rock and soil blocks, so that the larger rock and soil blocks are effectively prevented from being blocked at the drill bit during drilling, and the broken rock and soil samples are conveyed to the sampling assembly, thereby increasing the sampling efficiency and improving the quality of the samples.
Description
Technical Field
The utility model belongs to the field of geological exploration, and particularly relates to a drilling sampling device for rock and soil exploration.
Background
Geological exploration is to survey and detect geology by various means and methods, determine a proper bearing layer, determine a foundation type according to the foundation bearing capacity of the bearing layer, and calculate investigation and research activities of foundation parameters; the rock-soil exploration operation needs to sample rock-soil at the exploration site, and then the rock-soil characteristics of corresponding plots are analyzed through the rock-soil samples.
The drilling device is one of devices used in rock and soil exploration, and when the existing drilling sampling device for rock and soil exploration is used for rock and soil exploration, a drill bit is easily blocked by a larger rock and soil block, so that the sampling efficiency is greatly reduced; the fixed common screw connection of the sampling device causes inconvenient installation and disassembly of the sampling device; when the topography of construction department is comparatively complicated, the drill bit can not keep perpendicularly with ground, can reduce exploration efficiency, and when drilling equipment during operation, the drilling rod often can produce violent vibrations, leads to whole drilling equipment stability to reduce.
Disclosure of Invention
The utility model aims to solve the problems and provide a drilling sampling device for rock and soil exploration.
The utility model realizes the above purpose through the following technical scheme:
a drilling sampling device for rock and soil exploration comprises a frame, a drilling assembly, a sampling assembly, a supporting assembly and a limiting assembly; the drilling assembly is arranged in the middle of the frame, the sampling assembly is arranged below the drilling assembly, the supporting assembly is arranged below the frame, the limiting assembly is arranged in the middle of the lower part of the frame, and the lower part of the drilling assembly can penetrate through the limiting assembly to drill and sample;
the drilling assembly comprises a drill rod, a drill shaft, helical blades, a first drill bit and a second drill bit, wherein the drill shaft is arranged in the drill rod in a penetrating mode, the circumferential direction of the outer surface of the lower portion of the drill shaft is provided with the continuous helical blades, the lower end of the drill shaft is connected with the first drill bit, the second drill bit is fixedly sleeved on the first drill bit, and holes for rock and soil to enter the drill rod are formed in the middle of the first drill bit and the middle of the second drill bit;
the sampling assembly is inserted into the lower portion of the drill rod, and is clamped with a limiting block arranged in the drill rod along the radial direction through a sliding block arranged at the upper end in an outward extending mode.
Preferably, the slider upper portion and the inside decurrent surface butt of drilling rod, slider lower part and stopper butt, the drilling rod radially is provided with the receiving groove, the receiving inslot portion is provided with the spring, the spring is connected with the stopper, the receiving inslot interpolation is equipped with the movable block, the movable block passes through the spring and is connected with the stopper, the movable block passes through the joint structure with the drilling rod and is connected.
Preferably, the middle part of the movable block is provided with a round hole in a penetrating way, a pull rope is arranged in the round hole in a penetrating way, one end of the pull rope is connected with the limiting block, the other end of the pull rope extends to the outside of the movable block, the movable block is inserted into the receiving groove, and the edge of the movable block extending outwards is fixedly clamped with the clamping groove on the edge of the receiving groove after rotating.
Preferably, the spacing subassembly is two sets of altogether, and every group all includes second telescopic link, third telescopic link, spacing arc board, and two sets of spacing subassembly symmetry sets up, the second telescopic link is connected with the frame, the third telescopic link is connected at the flexible end of second telescopic link, spacing arc board is connected at the flexible end of third telescopic link, two constitute circular hole between the spacing arc board, the drilling rod can run through circular hole.
Preferably, the frame includes roof, support column, sliding plate, bottom plate, the support column is four altogether the support column array is in the bottom plate top, four support column top fixedly connected with roof, the sliding plate with four support column sliding connection.
Preferably, the sampling assembly further comprises a vertical pipe and an inner pipe, a sampling cavity is formed between the vertical pipe and the inner pipe, the drill shaft and the inner pipe are coaxial, the drill shaft and the helical blades are arranged inside the inner pipe, the sliding block is fixedly arranged at the upper end of the vertical pipe, and the upper end of the sliding block is an inclined plane.
Preferably, the middle part above the first drill bit is provided with a connecting sleeve, the first drill bit is fixedly connected with the connecting sleeve through a cross-shaped supporting column arranged inside, a gap for rock and soil to pass through is reserved between the cross-shaped supporting column and the side wall of the first drill bit, the lower end of the drill shaft is fixedly connected with the connecting sleeve, holes for the rock and soil to enter the drill rod are formed in the middle parts of the first drill bit and the second drill bit, and hard alloy buttons for crushing the rock are convexly arranged on the lower surfaces of the first drill bit and the second drill bit.
Preferably, the support assembly comprises a first telescopic rod, a supporting leg and a conical nail, wherein the first telescopic rod is arranged below the bottom plate, the supporting leg is connected with the telescopic end of the first telescopic rod, the middle part of the supporting leg is in a bent shape, the end part of the supporting leg is horizontally arranged, and the conical nail is fixedly connected below the supporting leg.
Preferably, the drilling assembly further comprises a motor, a base of the motor is fixedly arranged above the sliding plate, and the upper end of the drilling shaft is connected with the motor.
Preferably, a cylinder is arranged above the top plate, and a piston rod of the cylinder is connected with the upper surface of the motor.
The drilling and sampling device for rock and soil exploration provided by the utility model has the beneficial effects that:
(1) The drilling assembly is provided with the drilling shaft, the lower surface of the drilling shaft is circumferentially provided with the plurality of spiral blades, and the sharp spiral blades assist in breaking larger rock and soil blocks during sampling, so that the larger rock and soil blocks are effectively prevented from being blocked at the drill bit during drilling; and the broken rock and soil sample is conveyed to the sampling assembly, so that the sampling efficiency is improved, and the quality of the sample is also improved.
(2) The sampling assembly is convenient to sample by adopting the detachable clamping structure, the sampling assembly is in sliding connection with the inside of the drill rod, the upper end of the sliding block is an inclined plane, when the sampling assembly is installed, the sliding block is upwards slid, the limiting block in the drill rod is jacked into the receiving groove, and when the sliding block is abutted with the top of the sliding groove formed in the inside of the drill rod, the limiting block is automatically popped out to fasten the sampling assembly; when the sampling assembly is disassembled, the pull rope is pulled, and the sampling assembly automatically drops off; the efficiency of exploration is improved.
(3) The support assembly is provided with the curved supporting legs, the angle of the drill bit can be adjusted, the drill bit is vertical to the ground, the conical nails are arranged below the supporting legs, the stability of the device is enhanced, the device can work in complex terrains, and the exploration efficiency is improved.
(4) The limiting assembly can be adjusted according to the radius of the drill rod, and the bottom of the limiting arc plate can be inserted into the ground, so that the stability of the whole drilling sampling device is enhanced.
Drawings
FIG. 1 is a schematic illustration of a borehole sampling device for geotechnical exploration in accordance with the present utility model;
FIG. 2 is a cross-sectional view of the drilling assembly and sampling assembly of the present utility model;
FIG. 3 is an enlarged view of I of FIG. 2 in accordance with the present utility model;
FIG. 4 is an enlarged view of II of FIG. 3 in accordance with the present utility model;
FIG. 5 is a front view of the support assembly and spacing assembly of the present utility model;
FIG. 6 is a cross-sectional view of a limiting arc plate of the present utility model;
FIG. 7 is a schematic view of a first drill bit and a second drill bit of the present utility model;
FIG. 8 is a schematic view of the connection structure of the movable block and the drill rod in the utility model.
The reference numerals are explained as follows:
1. a frame; 11. a top plate; 12. a support column; 13. a sliding plate; 14. a bottom plate; 2. a drilling assembly; 21. a drill rod; 22. drilling a shaft; 23. a helical blade; 24. a first drill bit; 241. a connecting sleeve; 25. a second drill bit; 26. a limiting block; 27. a receiving groove; 271. a spring; 28. a movable block; 281. a pull rope; 29. a motor; 3. a sampling assembly; 31. a slide block; 32. a standpipe; 33. an inner tube; 4. a support assembly; 41. a first telescopic rod; 42. a support leg; 43. taper nails; 5. a limit component; 51. a second telescopic rod; 52. a third telescopic rod; 53. limiting arc plates; 6. and (3) a cylinder.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of the utility model:
as shown in fig. 1 to 8, a drilling and sampling device for rock and soil exploration comprises a frame 1, a drilling assembly 2, a sampling assembly 3, a supporting assembly 4 and a limiting assembly 5; the drilling assembly 2 is arranged in the middle of the frame 1, the sampling assembly 3 is arranged below the drilling assembly 2, the supporting assembly 4 is arranged below the frame 1, the limiting assembly 5 is arranged in the middle of the lower part of the frame 1, and drilling and sampling can be carried out through the limiting assembly 5 below the drilling assembly 2;
the drilling assembly 2 comprises a drill rod 21, a drill shaft 22, helical blades 23, a first drill bit 24 and a second drill bit 25, wherein the drill rod 21 is hollow, the drill shaft 22 penetrates through the drill rod 21, the circumferential direction of the outer surface of the lower part of the drill shaft 22 is provided with the continuous helical blades 23, the lower end of the drill shaft 22 is connected with the first drill bit 24, the second drill bit 25 is fixedly sleeved on the first drill bit 24, the middle part above the first drill bit 24 is provided with a connecting sleeve 241, holes for rock and soil to enter the drill rod 21 are formed in the middle parts of the first drill bit 24 and the second drill bit 25, the first drill bit 24 is fixedly connected with the connecting sleeve 241 through a cross-shaped supporting column arranged in the first drill bit 24, a gap for the rock and soil to pass through is formed between the cross-shaped supporting column and the side wall of the first drill bit 24, the drill shaft 22 is fixedly connected with the connecting sleeve 241, the first drill bit 24 and the lower surface of the second drill bit 25 are all convexly provided with a plurality of hard alloy buttons for crushing rock, larger rock and soil blocks can be crushed by the first drill bit 24 when passing through the second drill bit 25, and are conveyed to the helical blades 23, the larger rock and soil crushing blocks can be crushed again when being crushed at the drill bit, so that the sample sampling efficiency is effectively prevented, and the sample sampling efficiency is increased;
the sampling assembly 3 is inserted into the lower portion of the drill rod 21 and is connected with the drill rod 21 in a clamping mode, a sliding block 31 is arranged at the upper end of the sampling assembly 3 in an outward extending mode, a limiting block 26 is arranged inside the drill rod 21 in the radial direction, the upper portion of the sliding block 31 is in butt joint with the downward surface inside the drill rod 21, the lower portion of the sliding block 31 is in butt joint with the limiting block 26, a receiving groove 27 is arranged inside the drill rod 21 in the radial direction, a spring 271 is arranged inside the receiving groove 27, the spring 271 is connected with the limiting block 26, a movable block 28 is arranged in the receiving groove 27 in an inserted mode, the movable block 28 is connected with the limiting block 26 through the spring 271, and the edge of the movable block 28 extending outwards is fixedly connected with a clamping groove on the edge of the receiving groove 27 after rotating.
In this embodiment: the frame 1 includes roof 11, support column 12, sliding plate 13, bottom plate 14, and support column 12 totally four, and four support column 12 arrays are in bottom plate 14 top, and four support column 12 top fixedly connected with roof 11, sliding plate 13 and four support column 12 sliding connection, drilling subassembly 2 still include motor 29, and motor 29's frame is fixed to be set up in sliding plate 13 top, and roof 11 top is provided with cylinder 6, and cylinder 6 piston rod and motor 29 upper surface connection.
In this embodiment: the two groups of limiting assemblies 5 are arranged in a symmetrical mode, each group of limiting assemblies 5 comprises a second telescopic rod 51, a third telescopic rod 52 and limiting arc plates 53, the second telescopic rod 51 is connected with the frame 1, the third telescopic rod 52 is connected to the telescopic end of the second telescopic rod 51, the limiting arc plates 53 are connected to the telescopic end of the third telescopic rod 52, a circular hole is formed between the two limiting arc plates 53, and the drill rod 21 can penetrate through the circular hole; the lower half part of the limiting arc plate 53 is in a flake shape, can be inserted into the ground, and improves the stability of the device during rock-soil exploration.
In this embodiment: the middle part of the movable block 28 is provided with a round hole in a penetrating way, one end of the pull rope 281 is connected with the limiting block 26, the other end extends to the outside of the movable block 28, the movable block 28 is inserted into the receiving groove 27, the movable block 28 is fixed with the drill rod 21 through self rotation, the edge of the movable block 28 is provided with a lug, the edge of the receiving groove 27 is provided with an opening part corresponding to the lug, the edge of the receiving groove 27 is also provided with a clamping groove, the clamping groove is communicated with the opening part, when the movable block 28 is inserted into the receiving groove 27, the lug is matched with the opening part, the movable block 28 is rotated, the lug enters the clamping groove from the opening part and is clamped with the clamping groove, the movable block 28 can be fixed by the drill rod 21, the limiting block 26 is abutted with the sliding block 31, the sampling assembly 3 is limited by the limiting block 26, the spring 271 is in a compressed state, one end extrudes the limiting block 26 to prevent the sampling assembly 3 from falling off, the other end extrudes the movable block 28 to prevent the movable block 28 from falling off from the receiving groove 27, the limiting block 26 is provided with an inclined surface, after the movable block 28 is rotationally fixed, the inclined surface of the limiting block 26 faces downwards, the upper inclined surface of the sliding block 31 is in sliding contact with the inclined surface of the limiting block 26 during installation to push the limiting block 26 to retract to the receiving groove 27 to compress the spring 271, when the sliding block 31 moves upwards, the upper surface of the limiting block 26 is abutted with the lower surface in the drill rod 21, under the action of the spring 271, the limiting block 26 moves to the lower part of the sliding block 31, the upper surface of the limiting block 26 is abutted with the lower surface of the sliding block 31, and when the sampling assembly 3 needs to be disassembled, only the pull rope 281 is required to be pulled, so that the limiting block 26 slides away from the sliding block 31 along the receiving groove 27, and the whole sampling assembly 3 can be separated from the drill rod 21; the sampling assembly 3 further comprises a vertical pipe 32 and an inner pipe 33, a sampling cavity is formed between the vertical pipe 32 and the inner pipe 33, the drill shaft 22 and the helical blades 23 are arranged inside the inner pipe 33, the helical blades 23 can convey the rock and soil samples in the inner pipe 33 into the sampling cavity, the sliding block 31 is fixedly arranged at the upper end of the vertical pipe 32, and the upper end of the sliding block 31 is an inclined plane; the mounting mode of the sampling assembly 3 adopts a detachable clamping structure, so that the installation and the detachment are very simple and convenient, and the sampling is convenient; the limiting block 26, the receiving groove 27, the spring 271, the movable block 28, the pull rope 281 and the sliding block 31 are symmetrically arranged, so that connection is more firm, and stability of the sampling device is enhanced.
In this embodiment: the support assembly 4 comprises a first telescopic rod 41, supporting legs 42 and conical nails 43, wherein the first telescopic rod 41 is arranged below the bottom plate 14, the supporting legs 42 are connected with telescopic ends of the first telescopic rod 41, the middle parts of the supporting legs 42 are curved, the end parts of the supporting legs 42 are horizontally arranged, and the conical nails 43 are fixedly connected below the supporting legs 42; the curved support leg 42 can adjust the angle of the drill bit to enable the drill bit to be vertical to the ground, the conical nails 43 strengthen the stability of the device, and the device can work in more complex terrains to improve exploration efficiency.
In the above structure, when rock and soil exploration is performed, the taper nails 43 below the four support assemblies 4 are all inserted into the ground, the first telescopic rod 41 can be externally connected with a hydraulic cylinder to control the telescopic length, the bottom plate 14 is parallel to the ground at the position to be drilled, the third telescopic rod 52 is adjusted, the radius of a circular hole between the two limiting arc plates 53 is the same as the radius of the drill rod 21, then the limiting arc plates 53 are inserted into the ground through adjusting the second telescopic rod 51, and the second telescopic rod 51 can be fixed through bolts; the sampling assembly 3 is connected with the drill rod 21 in a sliding mode, and a motor 29 above the sliding plate 13 and a cylinder 6 above the top plate 11 are started; under the action of the air cylinder 6, the drilling assembly 2 and the sampling assembly 3 start to move downwards, the drilling shaft 22 rotates under the drive of the motor 29, and the second drill bit 25 is deeply penetrated into the ground; the rock and soil smashed by the second drill bit 25 passes through the second drill bit 25 to the first drill bit 24, then is smashed secondarily by the first drill bit 24, then is smashed again by the helical blade 23, the smashed rock and soil sample is conveyed upwards in the rotation of the helical blade 23 and finally falls into a sampling cavity formed between the vertical pipe 32 and the inner pipe 33, after exploration is finished, the drilling assembly 2 and the sampling assembly 3 ascend under the action of the air cylinder 6, the stay cord 281 is pulled, the limiting block 26 is contracted into the receiving groove 27, the sampling assembly 3 falls off, the sample is taken out, and the exploration work is repeated; the utility model can adapt to more complicated terrains, the drilling assembly 2 is provided with the drilling shaft 22, the outer surface of the lower part of the drilling shaft 22 is circumferentially provided with the continuous spiral blades 23, during sampling, the sharp spiral blades 23 assist in breaking larger rock and soil blocks, the larger rock and soil blocks are effectively prevented from being blocked at a drill bit during drilling, broken rock and soil samples are conveyed into the sampling assembly 3, the sampling efficiency is improved, the quality of the samples is also improved, and the sampling assembly 3 adopts a detachable clamping structure, so that the sampling is simpler and more convenient.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and their equivalents.
Claims (10)
1. Drilling sampling device is used in ground exploration, its characterized in that: comprises a frame (1), a drilling assembly (2), a sampling assembly (3), a supporting assembly (4) and a limiting assembly (5); the drilling assembly (2) is arranged in the middle of the frame (1), the sampling assembly (3) is arranged below the drilling assembly (2), the supporting assembly (4) is arranged below the frame (1), the limiting assembly (5) is arranged in the middle of the lower part of the frame (1), and the lower part of the drilling assembly (2) can penetrate through the limiting assembly (5) to drill and sample;
the drilling assembly (2) comprises a drill rod (21), a drill shaft (22), a helical blade (23), a first drill bit (24) and a second drill bit (25), wherein the drill shaft (22) is arranged inside the drill rod (21) in a penetrating mode, the continuous helical blade (23) is circumferentially arranged on the outer surface of the lower portion of the drill shaft (22), the first drill bit (24) is connected to the lower end of the drill shaft (22), the second drill bit (25) is fixedly sleeved on the first drill bit (24), and holes for allowing rock and soil to enter the drill rod (21) are formed in the middle of each of the first drill bit (24) and the middle of the second drill bit (25);
the sampling assembly (3) is inserted into the lower part of the drill rod (21) and is clamped with a limiting block (26) which is arranged inside the drill rod (21) along the radial direction through a sliding block (31) which is arranged at the upper end in an outward extending mode.
2. A borehole sampling apparatus for geotechnical exploration according to claim 1, wherein: the utility model discloses a drilling machine, including slider (31), stopper (26), drilling rod (21), slider (31) upper portion and inside decurrent surface butt of drilling rod (21), slider (31) lower part and stopper (26) butt, drilling rod (21) are provided with along radial receiving groove (27), receiving groove (27) inside is provided with spring (271), spring (271) are connected with stopper (26), receiving groove (27) interpolation is equipped with movable block (28), movable block (28) are connected with stopper (26) through spring (271), movable block (28) are connected through the joint structure with drilling rod (21).
3. A borehole sampling apparatus for geotechnical exploration according to claim 2, wherein: the middle part of movable block (28) is run through and is provided with the round hole, wear to be equipped with stay cord (281) in the round hole, stay cord (281) one end is connected with stopper (26), and the other end extends to movable block (28) outside, movable block (28) are pegged graft with receiving tank (27), the edge that movable block (28) extend to the outside is fixed with the draw-in groove joint on receiving tank (27) edge after rotatory.
4. A borehole sampling apparatus for geotechnical exploration according to claim 1, wherein: limiting component (5) are two sets of altogether, and every group all includes second telescopic link (51), third telescopic link (52), spacing arc board (53), and two sets of limiting component (5) symmetry sets up, second telescopic link (51) are connected with frame (1), third telescopic link (52) are connected at the flexible end of second telescopic link (51), spacing arc board (53) are connected at the flexible end of third telescopic link (52), two constitute circular hole between spacing arc board (53), drilling rod (21) can run through circular hole.
5. A borehole sampling apparatus for geotechnical exploration according to claim 3, wherein: frame (1) is including roof (11), support column (12), sliding plate (13), bottom plate (14), support column (12) are four altogether, four support column (12) array is in bottom plate (14) top, four support column (12) top fixedly connected with roof (11), sliding plate (13) and four support column (12) sliding connection.
6. A borehole sampling apparatus for geotechnical exploration as claimed in claim 4, wherein: the sampling assembly (3) further comprises a vertical pipe (32) and an inner pipe (33), a sampling cavity is formed between the vertical pipe (32) and the inner pipe (33), the drill shaft (22) and the inner pipe (33) are coaxial, the drill shaft (22) and the helical blades (23) are arranged inside the inner pipe (33), the sliding block (31) is fixedly arranged at the upper end of the vertical pipe (32), and the upper end of the sliding block (31) is an inclined plane.
7. A borehole sampling apparatus for geotechnical exploration as claimed in claim 5, wherein: the utility model discloses a drilling tool, including first drill bit (24), connecting sleeve (241) are provided with in the middle part above first drill bit (24), and first drill bit (24) are through cross support column and connecting sleeve (241) fixed connection that inside set up, have the space that ground passes through between cross support column and the first drill bit (24) lateral wall, drill spindle (22) lower extreme and connecting sleeve (241) fixed connection, the hole that supplies ground to get into inside drilling rod (21) is all seted up at first drill bit (24) and second drill bit (25) middle part, first drill bit (24) and second drill bit (25) lower surface all protrusion are provided with the carbide button that a plurality of broken rocks were used.
8. A borehole sampling apparatus for geotechnical exploration as claimed in claim 5, wherein: the support assembly (4) comprises a first telescopic rod (41), supporting legs (42) and conical nails (43), wherein the first telescopic rod (41) is arranged below the bottom plate (14), the supporting legs (42) are connected with telescopic ends of the first telescopic rod (41), the middle parts of the supporting legs (42) are in a bent shape, the end parts of the supporting legs (42) are horizontally arranged, and the conical nails (43) are fixedly connected below the supporting legs (42).
9. A borehole sampling apparatus for geotechnical exploration as claimed in claim 7, wherein: the drilling assembly (2) further comprises a motor (29), a base of the motor (29) is fixedly arranged above the sliding plate (13), and the upper end of the drilling shaft (22) is connected with the motor (29).
10. A borehole sampling apparatus for geotechnical exploration as claimed in claim 5, wherein: an air cylinder (6) is arranged above the top plate (11), and a piston rod of the air cylinder (6) is connected with the upper surface of the motor (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321779886.5U CN220339705U (en) | 2023-07-07 | 2023-07-07 | Drilling sampling device for rock and soil exploration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321779886.5U CN220339705U (en) | 2023-07-07 | 2023-07-07 | Drilling sampling device for rock and soil exploration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220339705U true CN220339705U (en) | 2024-01-12 |
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ID=89456941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321779886.5U Active CN220339705U (en) | 2023-07-07 | 2023-07-07 | Drilling sampling device for rock and soil exploration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220339705U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118111754A (en) * | 2024-04-26 | 2024-05-31 | 中建五局第三建设(深圳)有限公司 | Construction rock soil surveys sampling device |
-
2023
- 2023-07-07 CN CN202321779886.5U patent/CN220339705U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118111754A (en) * | 2024-04-26 | 2024-05-31 | 中建五局第三建设(深圳)有限公司 | Construction rock soil surveys sampling device |
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