CN117684964A - Core drilling method detection device and method based on pile foundation in karst area - Google Patents
Core drilling method detection device and method based on pile foundation in karst area Download PDFInfo
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- CN117684964A CN117684964A CN202410041655.7A CN202410041655A CN117684964A CN 117684964 A CN117684964 A CN 117684964A CN 202410041655 A CN202410041655 A CN 202410041655A CN 117684964 A CN117684964 A CN 117684964A
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- 238000000034 method Methods 0.000 title claims abstract description 53
- 238000005553 drilling Methods 0.000 title claims abstract description 51
- 238000001514 detection method Methods 0.000 title claims abstract description 39
- 230000000149 penetrating effect Effects 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000000498 cooling water Substances 0.000 claims description 5
- 239000013049 sediment Substances 0.000 claims description 3
- 238000005070 sampling Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention relates to the technical field of pile foundation detection devices and discloses a core drilling method detection device and method based on a pile foundation in a karst area. This application is through setting up drive assembly, compares hand formula elevation structure, and this device adopts step motor drive rotation axis to drive worm and worm wheel and rotates to make the device use more convenient, sampling time is shorter, through setting up drilling unit, and high-speed motor drive drill pipe and drill bit rotate the concrete pile foundation and sample, and the speed of drill bit cutting concrete pile foundation is faster, makes the holistic sampling time of device faster, and work efficiency is higher.
Description
Technical Field
The invention relates to the technical field of pile foundation detection devices, in particular to a core drilling method detection device and method based on pile foundations in karst areas.
Background
The karst areas have unfavorable geological conditions such as soil holes, karst cracks and the like, the fluctuation of the bedrock surface is large, natural foundations are not suitable, and concrete pile foundations are mostly adopted.
Because the ground condition in karst area is complicated, therefore the more convenient requirement to concrete pile foundation is higher, intensity, pile bottom sediment thickness and bearing stratum condition all need reach the construction standard, need carry out the next sample to the pile foundation that detects in using the core drilling method to detect the pile foundation, waste time and energy, some pile foundations are in the karst cave, some karst cave still probably appear the risk of collapsing at the construction stage, in order to reduce the operating time of the core drilling sample of construction sampler in the karst cave, improve sampling efficiency.
Therefore, we propose a core drilling method detection device and a core drilling method detection method based on pile foundations in karst areas.
Disclosure of Invention
The invention mainly solves the technical problems in the prior art and provides a core drilling method detection device and a core drilling method detection method based on pile foundations in karst areas.
In order to achieve the purpose, the invention adopts the following technical scheme that the core drilling method detection device and the core drilling method detection method based on the pile foundation in the karst area comprise a vertical rod, a base is fixedly arranged at the bottom end of the vertical rod, a lifting block is movably clamped on the outer wall surface of the vertical rod, the lifting block is a hollow rectangular body, a driving component for driving the lifting block to lift along the vertical rod is arranged in a cavity of the lifting block, the driving component comprises a gear, a worm wheel and a worm, a rack is fixedly arranged at one side, close to the gear, of the vertical rod, the gear is movably meshed with the rack, a drilling unit for drilling the concrete pile foundation is arranged at one side of the vertical rod, the drilling unit comprises a high-speed motor and a drill pipe, a gear box for changing the rotation speed and a water tank for adding cooling water are arranged between the high-speed motor and the drill pipe, and a drill bit for drilling is fixedly connected to one end, far away from the high-speed motor, of the drill pipe.
Preferably, the vertical rod and the base are in a mutually perpendicular state, a clamping block is fixedly connected to a side wall surface of the vertical rod, which is far away from the gear, and the clamping block is in a T shape.
Preferably, a stepping motor is arranged between the high-speed motor and the vertical rod, the stepping motor is fixedly arranged on the top end wall surface of the lifting block, a rectangular groove is formed between the top end wall surface and the bottom end wall surface of the lifting block in a penetrating mode, and the vertical rod movably penetrates through the lifting block through the rectangular groove.
Preferably, the inner wall surface of one side of the rectangular groove is provided with a clamping groove in a penetrating way at a position corresponding to the clamping block, the clamping groove is in a T shape, and the clamping block movably penetrates through the lifting block through the clamping groove.
Preferably, a horizontal shaft is movably mounted between the front side wall surface and the rear side wall surface in the lifting block cavity through a bearing, a penetrating gear and a worm wheel are fixed on the outer wall surface of the horizontal shaft, an output shaft of the stepping motor is fixedly connected with a rotating shaft, the rotating shaft movably penetrates through the top end of the lifting block, and the bottom end of the rotating shaft is movably mounted at the bottom end of the inner wall surface of the lifting block through the bearing.
Preferably, a lifting groove is further formed between the top end wall surface and the bottom end wall surface of the lifting block in a penetrating mode, the rack movably penetrates through the lifting block through the lifting groove, a movable groove is formed in one side wall surface of the lifting groove, and the gear movably penetrates through the movable groove.
Preferably, the rotating shaft and the horizontal shaft are in a mutually vertical state, the worm penetrates through the outer wall surface of the rotating shaft, the worm is movably meshed with the worm wheel, and the gear is movably meshed with the rack on the same vertical plane.
Preferably, the water tank is fixedly connected to the outer wall surface of the water tank, an output shaft of the high-speed motor is fixedly connected with the top end of the drill pipe through the gear box, the drill bits are arc-shaped, and the drill bits are distributed in an annular array around the axial lead of the drill pipe.
Advantageous effects
The invention provides a core drilling method detection device and method based on pile foundations in karst areas. The beneficial effects are as follows:
(1) This core drilling method detection device and detection method based on karst area pile foundation, the ground condition in karst area is comparatively complicated, the performance requirement to the concrete pile foundation is higher, in the process of boring the core to the concrete pile foundation, this application sets up drive assembly through setting up montant and lifter movable block, the intracavity at the lifter, compare hand formula elevation structure, this device adopts step motor drive rotation axis to drive worm and worm wheel and rotates, thereby make the device use more convenient, sampling time is shorter, through setting up drilling unit, high-speed motor drive drill pipe and drill bit rotate and sample the concrete pile foundation, the speed of drill bit cutting concrete pile foundation is faster, make holistic sampling time of device faster, work efficiency is higher.
(2) According to the karst area pile foundation-based core drilling method detection device and method, the clamping blocks are fixedly connected to the side wall surfaces of the vertical rods, which are far away from the gears, the clamping grooves are formed in the positions, corresponding to the clamping blocks, of the inner wall surfaces of one side of the rectangular grooves in a penetrating mode, the clamping blocks and the clamping grooves are all T-shaped, and therefore the lifting blocks are smoother in the lifting process, and the stability of the device in the operation process is improved.
(3) According to the core drilling method detection device and method based on the karst area pile foundation, rectangular grooves are formed between the top end wall surface and the bottom end wall surface of the lifting block in a penetrating mode, the vertical rods movably penetrate through the lifting block through the rectangular grooves, the lifting block can be controlled to vertically lift the vertical rods through the arrangement of the stepping motor, and the operation is more convenient.
(4) According to the core drilling method detection device and method based on the karst area pile foundation, in the lifting process of the lifting block, the stepping motor drives the rotating shaft to rotate, the worm is fixedly penetrated through the outer wall surface of the rotating shaft, the worm is movably meshed with the worm wheel, the outer wall surface of the worm wheel is fixedly penetrated through the gear, the gear is driven to rotate in the rotating process of the rotating shaft, the gear is movably meshed with the rack on the vertical rod, the lifting of the lifting block is further completed, the device is enabled to have self-locking performance through the arrangement of the worm and the worm wheel, and the lifting instruction of the lifting block is guaranteed to be completed.
Drawings
FIG. 1 is a schematic diagram of a three-dimensional structure of a core drilling method detection device based on pile foundations in karst areas;
FIG. 2 is a schematic diagram of a core drilling method detection device based on pile foundations in karst areas in a left side view;
FIG. 3 is a schematic diagram of a right side view of a core drilling method detection device based on pile foundations in karst areas according to the invention;
FIG. 4 is a schematic diagram of a lifting block perspective structure of a core drilling method detection device based on pile foundations in karst areas;
FIG. 5 is a schematic diagram of a driving assembly of a core drilling method detection device based on pile foundations in karst areas according to the invention;
FIG. 6 is a schematic diagram of a drill bit and drill pipe structure of a core drilling method detection device based on pile foundations in karst areas according to the invention;
fig. 7 is a schematic cross-sectional view of a drill bit and drill pipe of a core drilling method detection device based on pile foundations in karst areas.
Legend description:
10. a vertical rod; 11. a base; 12. a lifting block; 13. a rack; 14. a clamping block; 15. a stepping motor; 16. a gear box; 17. a high-speed motor; 18. drilling a pipe; 19. a water tank; 21. rectangular grooves; 22. a clamping groove; 23. a lifting groove; 24. a rotation shaft; 25. a worm; 26. a horizontal axis; 27. a worm wheel; 28. a gear; 29. a drill bit.
Detailed Description
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the embodiments of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "inner", "outer", "side", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the inventive product, are merely for convenience in describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in embodiments of the present invention will be understood in detail by those of ordinary skill in the art.
As shown in fig. 1-7: the utility model provides a core drilling method detection device and detection method based on karst area pile foundation, including montant 10, the bottom fixed mounting of montant 10 has base 11, movable block has lifting block 12 on the outer wall of montant 10, lifting block 12 is hollow cuboid, lifting block 12's intracavity is provided with the drive assembly who is used for driving lifting block 12 and goes up and down along montant 10, drive assembly is including gear 28, worm wheel 27 and worm 25, one side fixed mounting that is close to gear 28 of montant 10 has rack 13, gear 28 and rack 13 movable engagement, one side of montant 10 is provided with the drilling unit that is used for carrying out the drilling to the concrete pile foundation, the drilling unit is including high-speed motor 17 and drill pipe 18, be provided with the gear box 16 that is used for changing the rotational speed and be used for adding the water tank 19 of cooling water between high-speed motor 17 and the drill pipe 18, the gear box is prior art, the drill bit 29 that is used for drilling is fixedly connected with to the one end that the drill pipe 18 kept away from high-speed motor 17.
Specifically, the ground condition in karst area is comparatively complicated, the performance requirement to the concrete pile foundation is higher, carry out the core drilling in-process to the concrete pile foundation, this application sets up drive assembly through setting up montant 10 and lifting block 12 activity block, the intracavity at lifting block 12, compare hand formula elevation structure, this device adopts step motor 15 drive rotation axis 24 to drive worm 25 and worm wheel 27 and rotates, thereby make the device use more convenient, sampling time is shorter, through setting up drilling unit, high-speed motor 17 drive drill pipe 18 and drill bit 29 rotate and take a sample to the concrete pile foundation, drill bit 29 cuts the speed of concrete pile foundation is faster, make the holistic sampling time of device faster, work efficiency is higher.
The vertical rod 10 and the base 11 are in a mutually perpendicular state, a clamping block 14 is fixedly connected to a side wall surface of the vertical rod 10 far away from the gear 28, the clamping block 14 is in a T shape, a clamping groove 22 is formed in a penetrating mode on one side inner wall surface of the rectangular groove 21 at a position corresponding to the clamping block 14, the clamping groove 22 is in a T shape, and the clamping block 14 movably penetrates through the lifting block 12 through the clamping groove 22.
Specifically, the clamping block 14 is fixedly connected to a side wall surface of the vertical rod 10 far away from the gear 28, the clamping groove 22 is formed in a penetrating manner on the side wall surface of the rectangular groove 21 at a position corresponding to the clamping block 14, and the clamping block 14 and the clamping groove 22 are both in a T shape, so that the lifting block 12 is smoother in the lifting process, and the stability of the device in the running process is improved.
A stepping motor 15 is arranged between the high-speed motor 17 and the vertical rod 10, the stepping motor 15 is fixedly arranged on the top end wall surface of the lifting block 12, a rectangular groove 21 is formed between the top end wall surface and the bottom end wall surface of the lifting block 12 in a penetrating way, and the vertical rod 10 movably penetrates through the lifting block 12 through the rectangular groove 21.
Specifically, a rectangular groove 21 is formed between the top end wall surface and the bottom end wall surface of the lifting block 12 in a penetrating manner, the vertical rod 10 movably penetrates through the lifting block 12 through the rectangular groove 21, and the lifting block 12 can be controlled to vertically lift the vertical rod 10 through the arrangement of the stepping motor 15, so that the operation is more convenient.
A horizontal shaft 26 is movably mounted between the front side wall surface and the rear side wall surface in the cavity of the lifting block 12 through a bearing, a penetrating gear 28 and a worm wheel 27 are fixed on the outer wall surface of the horizontal shaft 26, an output shaft of the stepping motor 15 is fixedly connected with a rotating shaft 24, the rotating shaft 24 movably penetrates through the top end of the lifting block 12, and the bottom end of the rotating shaft 24 is movably mounted at the bottom end of the inner wall surface of the lifting block 12 through the bearing.
Specifically, in the lifting process of the lifting block 12, the stepping motor 15 drives the rotating shaft 24 to rotate, the worm 25 is fixedly penetrated through the outer wall surface of the rotating shaft 24, the worm 25 is movably meshed with the worm wheel 27, the outer wall surface of the worm wheel 27 is fixedly penetrated through the gear 28, so that the gear 28 is driven to rotate in the rotating process of the rotating shaft 24, the gear 28 is movably meshed with the rack 13 on the vertical rod 10, the lifting of the lifting block 12 is further completed, the device has self-locking performance through the arrangement of the worm 25 and the worm wheel 27, and the lifting instruction of the lifting block 12 is ensured to be completed.
A lifting groove 23 is further formed between the top end wall surface and the bottom end wall surface of the lifting block 12 in a penetrating manner, the rack 13 movably penetrates through the lifting block 12 through the lifting groove 23, a movable groove is formed in one side wall surface of the lifting groove 23, a gear 28 movably penetrates through the movable groove, a rotating shaft 24 and a horizontal shaft 26 are in a mutually perpendicular state, a worm 25 is fixedly penetrated on the outer wall surface of the rotating shaft 24, the worm 25 is movably meshed with a worm wheel 27, and the gear 28 is movably meshed with the rack 13 on the same vertical plane.
Specifically, through seting up lift groove 23 on the top of lifter 12, rack 13 is through the activity of lift groove 23 run through lifter 12, has seted up the movable groove on the lateral wall of lifter 23, and gear 28 activity runs through the movable groove, through the reasonable structural design to lifter 12 makes the device can the efficient operation get up.
The water tank 19 is fixedly connected to the outer wall surface of the water tank 19, an output shaft of the high-speed motor 17 is fixedly connected with the top end of the drill pipe 18 through the gear box 16, the drill bits 29 are arc-shaped, and the drill bits 29 are distributed in an annular array around the axial lead of the drill pipe 18.
Specifically, the high-speed motor 17 drives the drill pipe 18 and the drill bit 29 to rotate, and the drill bit 29 cuts concrete during rotation to thereby realize drilling.
The specific working steps are as follows: placing the detection device beside the concrete pile foundation, controlling the height of the lifting block 12 through the stepping motor 15, and positioning the drill pipe 18 above the pile foundation; cooling water is added into the water tank 19, the high-speed motor 17 is started, and the high-speed motor 17 drives the drill pipe 18 to rotate through the gear box 16; the lifting block 12 is controlled to downwards through the stepping motor 15, the drill bit 29 is driven to rotate in the rotation process of the drill pipe 18, friction cutting is carried out between the drill bit 29 and the concrete pile foundation, the drill pipe 18 continuously moves downwards until the drill pipe 18 is immersed into the concrete pile foundation, then the stepping motor 15 drives the lifting block 12 to ascend, and then the device is stopped to operate so as to take down the core sample in the drill pipe 18; and detecting and judging the concrete strength, pile bottom sediment thickness and bearing layer condition of the core sample.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (9)
1. Core drilling method detection device based on karst area pile foundation, including montant (10), its characterized in that: the bottom fixed mounting of montant (10) has base (11), movable block has lifter block (12) on the outer wall of montant (10), lifter block (12) are hollow cuboid, the intracavity of lifter block (12) is provided with and is used for driving lifter block (12) along the drive assembly that montant (10) goes up and down, drive assembly is including gear (28), worm wheel (27) and worm (25), one side fixed mounting that montant (10) is close to gear (28) has rack (13), gear (28) and rack (13) movable engagement, one side of montant (10) is provided with the drilling unit that is used for carrying out drilling to the concrete pile foundation, the drilling unit is including high-speed motor (17) and drill pipe (18), be provided with between high-speed motor (17) and drill pipe (18) and be used for changing gear box (16) and be used for adding cooling water's water tank (19), drill pipe (18) are kept away from one end fixedly connected with drill bit (29) that high-speed motor (17).
2. The karst area pile foundation-based core drilling method detection device according to claim 1, wherein: the vertical rod (10) is in a mutually perpendicular state with the base (11), a clamping block (14) is fixedly connected to a side wall surface of the vertical rod (10) far away from the gear (28), and the clamping block (14) is in a T shape.
3. The karst area pile foundation-based core drilling method detection device according to claim 1, wherein: a stepping motor (15) is arranged between the high-speed motor (17) and the vertical rod (10), the stepping motor (15) is fixedly arranged on the top end wall surface of the lifting block (12), a rectangular groove (21) is formed between the top end wall surface and the bottom end wall surface of the lifting block (12) in a penetrating mode, and the vertical rod (10) movably penetrates through the lifting block (12) through the rectangular groove (21).
4. A karst region pile foundation based core drilling detection apparatus according to claim 3, wherein: one side inner wall surface of the rectangular groove (21) is provided with a clamping groove (22) in a penetrating mode at a position corresponding to the clamping block (14), the clamping groove (22) is T-shaped, and the clamping block (14) movably penetrates through the lifting block (12) through the clamping groove (22).
5. The karst area pile foundation-based core drilling method detection device according to claim 1, wherein: a horizontal shaft (26) is movably mounted between the front side wall surface and the rear side wall surface in the cavity of the lifting block (12) through a bearing, a penetrating gear (28) and a worm wheel (27) are fixed on the outer wall surface of the horizontal shaft (26), a rotating shaft (24) is fixedly connected with an output shaft of the stepping motor (15), the rotating shaft (24) movably penetrates through the top end of the lifting block (12), and the bottom end of the rotating shaft (24) is movably mounted at the bottom end of the inner wall surface of the lifting block (12) through the bearing.
6. The karst area pile foundation-based core drilling method detection device according to claim 1, wherein: a lifting groove (23) is formed between the top end wall surface and the bottom end wall surface of the lifting block (12), the rack (13) movably penetrates through the lifting block (12) through the lifting groove (23), a movable groove is formed in one side wall surface of the lifting groove (23), and a gear (28) movably penetrates through the movable groove.
7. The karst region pile foundation-based drilling core method detection device according to claim 5, wherein: the rotating shaft (24) and the horizontal shaft (26) are in a mutually vertical state, a worm (25) is fixedly penetrated through the outer wall surface of the rotating shaft (24), the worm (25) is movably meshed with a worm wheel (27), and a gear (28) is movably meshed with the rack (13) on the same vertical plane.
8. The karst area pile foundation-based core drilling method detection device according to claim 1, wherein: the outer wall surface of the water tank (19) is fixedly connected with the water tank (19), an output shaft of the high-speed motor (17) is fixedly connected with the top end of the drill pipe (18) through the gear box (16), the drill bits (29) are arc-shaped, and the drill bits (29) are distributed in an annular array around the axial lead of the drill pipe (18).
9. The detection method of the core drilling method detection device based on the pile foundation in karst areas is characterized by comprising the following steps of: the method comprises the following working steps:
the first step: the detection device is placed beside a concrete pile foundation, the height of the lifting block (12) is controlled by the stepping motor (15), and the drill pipe (18) is positioned above the pile foundation;
and a second step of: cooling water is added into a water tank (19), a high-speed motor (17) is started, and the high-speed motor (17) drives a drill pipe (18) to rotate through a gear box (16);
and a third step of: the lifting block (12) is controlled to be downwards through the stepping motor (15), the drill bit (29) is driven to rotate in the rotation process of the drill pipe (18), friction cutting is carried out between the drill bit (29) and the concrete pile foundation, the drill pipe (18) continuously moves downwards until the drill pipe (18) is immersed into the concrete pile foundation, then the stepping motor (15) drives the lifting block (12) to lift, and then the device is stopped to operate so as to take down the core sample in the drill pipe (18);
fourth step: and detecting and judging the concrete strength, pile bottom sediment thickness and bearing layer condition of the core sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410041655.7A CN117684964A (en) | 2024-01-11 | 2024-01-11 | Core drilling method detection device and method based on pile foundation in karst area |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410041655.7A CN117684964A (en) | 2024-01-11 | 2024-01-11 | Core drilling method detection device and method based on pile foundation in karst area |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118010409A (en) * | 2024-04-10 | 2024-05-10 | 中交一公局西南工程有限公司 | Asphalt pavement punching detection sampling device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118010409A (en) * | 2024-04-10 | 2024-05-10 | 中交一公局西南工程有限公司 | Asphalt pavement punching detection sampling device and method |
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