CN113266292B - Anti-sticking bores coring device - Google Patents
Anti-sticking bores coring device Download PDFInfo
- Publication number
- CN113266292B CN113266292B CN202110527372.XA CN202110527372A CN113266292B CN 113266292 B CN113266292 B CN 113266292B CN 202110527372 A CN202110527372 A CN 202110527372A CN 113266292 B CN113266292 B CN 113266292B
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- Prior art keywords
- bit
- coring
- drill
- coring bit
- guide grooves
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- 238000005553 drilling Methods 0.000 claims abstract description 23
- 238000005070 sampling Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000002265 prevention Effects 0.000 claims 6
- 238000001179 sorption measurement Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 230000009194 climbing Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
- E21B25/02—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors the core receiver being insertable into, or removable from, the borehole without withdrawing the drilling pipe
- E21B25/04—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors the core receiver being insertable into, or removable from, the borehole without withdrawing the drilling pipe the core receiver having a core forming cutting edge or element, e.g. punch type core barrels
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides an anti-sticking drill hole drilling coring device, which comprises: the drilling and sampling device comprises a frame, a driving mechanism arranged on the frame and a core drill bit driven by the driving mechanism to perform drilling and sampling work, wherein: the core drill bit comprises a drill barrel and a cutter head arranged at one end of the drill barrel, the outer wall of the core drill bit is provided with guide grooves which extend axially and penetrate through the two ends, and the guide grooves are provided with a plurality of guide grooves and are uniformly distributed along the circumferential direction of the core drill bit; push rods capable of sliding up and down are arranged in the guide grooves, one ends of the push rods are connected with each other through the hoops to form a whole, and the hoops are located at one ends of the coring bit far away from the bit head. The invention eliminates the adsorption force between the mud cake and the outer wall of the core bit by utilizing the movement of the push rod, thereby eliminating the situation that the bit is blocked.
Description
Technical Field
The invention relates to the technical field of pavement maintenance equipment, in particular to an anti-sticking drill hole drilling and coring device.
Background
The drilling core extractor mainly has two purposes, namely horizontal drilling, is suitable for spike installation, road pile installation, bridge drilling operation rules, integrated house pile foundation drilling and the like; and secondly, the core is used, and is suitable for pavement core test. In the drilling process of the existing drilling core machine, when a geological structure layer with larger viscosity is encountered, a drill bit of the existing drilling core machine is easy to be absorbed by mud cakes, so that the phenomenon of drill sticking is caused.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides an anti-sticking drill hole drilling coring device.
The invention provides an anti-sticking drill hole drilling coring device, which comprises: the drilling and sampling device comprises a frame, a driving mechanism arranged on the frame and a core drill bit driven by the driving mechanism to perform drilling and sampling work, wherein:
the core drill bit comprises a drill barrel and a cutter head arranged at one end of the drill barrel, the outer wall of the core drill bit is provided with guide grooves which extend axially and penetrate through the two ends, and the guide grooves are provided with a plurality of guide grooves and are uniformly distributed along the circumferential direction of the core drill bit; push rods capable of sliding up and down are arranged in the guide grooves, one ends of the push rods are connected with each other through the hoops to form a whole, and the hoops are located at one ends of the coring bit far away from the bit head.
Preferably, the end of the coring bit away from the bit is provided with a support plate, and the support plate is provided with a jacking mechanism which is connected with the hoop for driving the hoop to axially move.
Preferably, the support plate is spaced from the coring bit and secured to the coring bit by a connecting rod.
Preferably, the jacking mechanism comprises a cylinder, wherein the cylinder is vertically fixed on the supporting plate, and the extending end of the cylinder is fixed with the hoop.
Preferably, the side wall of the push rod facing the notch direction of the guide slot is positioned in the same annular surface as the outer wall of the core bit.
Preferably, the side wall of the coring bit and between any two adjacent guide grooves are respectively provided with a plurality of water outlets, a runner for communicating the water outlets is arranged between the inner wall and the outer wall of the coring bit, and one end of the coring bit, which is far away from the bit, is provided with a pipe joint connected with the runner.
Preferably, the device further comprises a liquid supply pipeline connected with the pipe joint for conveying liquid into the flow channel.
Preferably, the pressure regulating assembly is arranged in the liquid supply pipeline and used for regulating the pressure of the output liquid.
Preferably, the hoop is provided with a plurality of clamping grooves uniformly distributed in the circumferential direction, and one end of each push rod is clamped in the clamping groove in a one-to-one correspondence manner and is fixed through bolts.
Preferably, the frame comprises a chassis with travelling wheels, a guide column vertically fixed on the chassis, a cross beam frame fixed on the guide column, and a sliding seat which is arranged on the guide column in an up-and-down sliding way; the driving mechanism comprises a screw rod with a rotating hand wheel, a nut seat arranged on the screw rod, a spindle box with an output shaft and a power component for driving the output shaft to rotate; the screw rod is positioned at one side of the guide post and is rotatably arranged on the cross beam frame, and the nut seat is fixedly connected with the sliding seat; the main shaft box and the power part are both fixed on the sliding seat; the coring bit is connected with the output shaft through a coupler.
According to the invention, the plurality of guide grooves are formed outside the coring bit, the push rods are arranged in each guide groove, and the push rods in the guide grooves are connected by the hoops to form a whole, so that the hoops are used for driving the push rods to synchronously move, and when the mud cake on the hole wall is contacted with the outer wall of the coring bit and is strongly adsorbed to cause bit clamping in the drilling operation process, the adsorption force between the mud cake and the outer wall of the coring bit is eliminated by using the movement of the push rods, and then the bit clamping condition is eliminated. Meanwhile, if the hard block is blocked under the drill bit, the push rod can be pushed down to push away the hard block.
Drawings
Fig. 1 is a schematic structural diagram of an anti-sticking drill hole-drilling coring device according to the present invention.
FIG. 2 is a schematic diagram of the coring bit in an anti-sticking drill bit coring device according to the present invention.
Detailed Description
Referring to fig. 1-2, an anti-sticking drill hole coring device of the present invention comprises: a frame 1, a driving mechanism installed on the frame 1 and a core bit 2 driven by the driving mechanism to perform drilling and sampling work, wherein:
the coring bit 2 comprises a drill barrel and a bit arranged at one end of the drill barrel, the outer wall of the coring bit 2 is provided with guide grooves which extend axially and are penetrated at two ends, and the guide grooves are provided with a plurality of guide grooves and are uniformly distributed along the circumferential direction of the coring bit 2; all be equipped with gliding push rod 5 from top to bottom in each guide way, push rod 5 is located same anchor ring towards the lateral wall of guide way notch direction and the outer wall of coring bit 2, and the one end of each push rod 5 is through ferrule 6 interconnect in order to form wholly, and ferrule 6 is located the one end that coring bit 2 kept away from its tool bit to drive individual push rod 5 along its guide way length direction synchronous movement through promoting ferrule 6, with the removal that utilizes push rod 5 eliminates the adsorption affinity between mud cake and the coring bit 2 outer wall, then eliminates the drill bit and blocked the condition. .
From the above, according to the invention, the plurality of guide grooves are arranged outside the coring bit 2, the push rod 5 is arranged in each guide groove, and the push rods 5 in the guide grooves are connected by the hoops 6 to form a whole, so that the hoops 6 drive the push rods 5 to synchronously move, and when mud cakes are adsorbed on the outer wall of the coring bit 2, the mud cakes can be adsorbed by the moving Bayer mud cakes of the push rods, so that the condition that the bit is blocked is eliminated. Moreover, if the hard block is caught under the drill bit, the push rod 5 can be pushed down to push the hard block away.
In addition, in the present embodiment, the end of the coring bit 2 away from the bit thereof is provided with the support plate 3, and the climbing mechanism 4 is mounted on the support plate 3 so that the climbing mechanism 4 can be rotated in synchronization with the rotation of the coring bit 2. The jacking mechanism 4 is connected with the hoop 6, and the automatic movement of the hoop 6 is realized by utilizing the jacking mechanism 4. Specifically, the support plate 3 is spaced from the coring bit 2 and fixed to the coring bit 2 by a connecting rod. The jacking mechanism 4 comprises a cylinder, the cylinder is vertically fixed on the supporting plate 3, and the extending end of the cylinder is fixed with the hoop 6.
In this embodiment, the side wall of the coring bit 2 and between any two adjacent guide grooves are respectively provided with a plurality of water outlets, a runner for communicating the water outlets is arranged between the inner wall and the outer wall of the coring bit 2, and one end of the coring bit 2 far away from the bit is provided with a pipe joint for connecting a liquid supply pipeline and the runner. In the drilling operation, the flow channel is connected with the liquid supply pipeline through the pipe joint, so that water or other functional liquid (such as lubricating oil) is supplied into the flow channel through the liquid supply pipeline and is discharged from each water outlet hole, the coring bit 2 can be effectively cooled, the lubricating effect can be increased, and the blocked probability is reduced. And a pressure regulating mechanism for regulating the pressure of the output liquid is arranged in the liquid supply pipeline. So that the pressure of the output liquid can be adjusted according to the use requirement when in use.
In this embodiment, the hoop 6 has a plurality of circumferentially uniformly distributed clamping grooves, and one end of each push rod 5 is clamped in the clamping groove in a one-to-one correspondence manner and is fixed by bolts, so as to facilitate the disassembly and replacement of the push rod 5.
In this embodiment, the frame 1 includes a chassis with travelling wheels, a guide column vertically fixed on the chassis, a cross beam frame fixed on the guide column, and a slide seat slidably mounted on the guide column up and down; the driving mechanism comprises a screw rod with a rotating hand wheel 7, a nut seat arranged on the screw rod, a main shaft box 8 with an output shaft and a power part 9 for driving the output shaft to rotate; the screw rod is positioned at one side of the guide post and is rotatably arranged on the cross beam frame, and the nut seat is fixedly connected with the sliding seat; the spindle box 8 and the power part 9 are both fixed on the slide seat; the coring bit 2 is coupled to the output shaft via a coupling.
In addition, a notch and an arc-shaped cutter arranged in the notch can be arranged on the side wall of the coring bit 2 close to the cutter end; a pore canal which extends axially and is communicated with the notch is arranged between the inner wall and the outer wall of the coring bit 2, a rotating shaft which is assembled with the coring bit 2 in a rotating way is arranged on the coring bit 2, and one end of the rotating shaft penetrates through the pore canal to extend to the notch and is fixed with one end of the arc-shaped cutter. The arc cutter is driven to rotate to the inner side of the coring bit 2 through the rotating shaft, so that the sample in the drilling barrel is cut off, the sample is ensured to be separated from the foundation smoothly, and the sample can be lifted by the rotated arc cutter in the process that the bit exits from the drilling hole. In order to facilitate the rotation of the rotating shaft, a radial force arm rod can be arranged at one end of the coring bit 2 far away from the bit, and one end of the force arm rod is fixed with the rotating shaft.
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 (7)
1. An anti-sticking drill-hole coring device, comprising: the device comprises a frame (1), a driving mechanism arranged on the frame (1) and a core drill bit (2) driven by the driving mechanism to perform drilling and sampling work, wherein:
the coring bit (2) comprises a drill barrel and a bit arranged at one end of the drill barrel, the outer wall of the coring bit (2) is provided with guide grooves which extend axially and are penetrated at two ends, and the guide grooves are provided with a plurality of guide grooves and are uniformly distributed along the circumferential direction of the coring bit (2); push rods (5) capable of sliding up and down are arranged in the guide grooves, one ends of the push rods (5) are connected with each other through hoops (6) to form a whole, and the hoops (6) are positioned at one end, far away from a cutter head, of the coring bit (2);
a plurality of water outlets are respectively arranged on the side wall of the coring bit (2) and between any two adjacent guide grooves, a runner for communicating the water outlets is arranged between the inner wall and the outer wall of the coring bit (2), and one end of the coring bit (2) far away from the bit is provided with a pipe joint connected with the runner;
one end of the coring bit (2) far away from the bit is provided with a supporting plate (3), the supporting plate (3) is provided with a jacking mechanism (4), and the jacking mechanism (4) is connected with the hoop (6) for driving the hoop to axially move;
the hoop (6) is provided with a plurality of clamping grooves which are uniformly distributed in the circumferential direction, and one end of each push rod (5) is clamped in the clamping grooves in a one-to-one correspondence manner and is fixed through bolts.
2. A drill-sticking prevention drill-hole coring device according to claim 1, wherein the support plate (3) is spaced from the coring bit (2) and is fixed to the coring bit (2) by a connecting rod.
3. A drill sticking prevention drill hole coring device according to claim 1, wherein the lifting mechanism (4) comprises a cylinder vertically fixed to the support plate (3) with its extended end fixed to the ferrule (6).
4. A drill sticking prevention coring device according to claim 1, wherein the sidewall of the push rod (5) facing in the direction of the guide slot notch is located in the same annulus as the outer wall of the coring bit (2).
5. A stuck prevention drill bit coring apparatus as set forth in claim 4, further comprising a liquid supply line connected to the pipe joint for delivering liquid into the flow path.
6. A stuck prevention drill bit coring apparatus as set forth in claim 5, further comprising a pressure regulating assembly mounted in the liquid supply line for regulating the output liquid pressure.
7. A drill-sticking prevention core drilling device according to any one of claims 2 to 6, wherein the frame (1) comprises a chassis with road wheels, a guide post vertically fixed to the chassis, a cross-beam frame fixed to the guide post, and a slide carriage slidably mounted up and down on the guide post; the driving mechanism comprises a screw rod with a rotating hand wheel (7), a nut seat arranged on the screw rod, a spindle box (8) with an output shaft and a power part (9) for driving the output shaft to rotate; the screw rod is positioned at one side of the guide post and is rotatably arranged on the cross beam frame, and the nut seat is fixedly connected with the sliding seat; the spindle box (8) and the power part (9) are both fixed on the sliding seat; the coring bit (2) is connected with the output shaft through a coupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110527372.XA CN113266292B (en) | 2021-05-14 | 2021-05-14 | Anti-sticking bores coring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110527372.XA CN113266292B (en) | 2021-05-14 | 2021-05-14 | Anti-sticking bores coring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113266292A CN113266292A (en) | 2021-08-17 |
| CN113266292B true CN113266292B (en) | 2023-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110527372.XA Active CN113266292B (en) | 2021-05-14 | 2021-05-14 | Anti-sticking bores coring device |
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| CN (1) | CN113266292B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117990417B (en) * | 2024-04-03 | 2024-08-02 | 中铁六局集团太原铁路建设有限公司 | Water stable base layer coring device for expressway and operation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202305261U (en) * | 2011-09-16 | 2012-07-04 | 长安大学 | Concrete easily obtained core sample drilling and taking machine |
| US9186730B2 (en) * | 2013-05-09 | 2015-11-17 | Greg Sandler | Automated core drilling device capable of mating with a center-mounted core-catching device |
| CN104265168B (en) * | 2014-07-28 | 2016-08-17 | 西南石油大学 | Drill-bit type rotary guiding device is pointed in interior a kind of biasing |
| CN108952610B (en) * | 2018-09-10 | 2020-05-08 | 长江大学 | Hydraulic drive coring tool for complex well |
| CN209533860U (en) * | 2018-11-26 | 2019-10-25 | 苏州恒信建设技术开发检测有限公司 | Concrete hole drilling core taking machine |
| CN211179027U (en) * | 2019-10-09 | 2020-08-04 | 唐山市程成市政园林绿化工程有限公司 | Soil sampling device for highway engineering |
| CN110792470B (en) * | 2019-12-09 | 2024-10-18 | 中国矿业大学(北京) | Special-shaped section grooving dual-channel multistage pushing slag discharging drill rod and use method thereof |
| CN212988853U (en) * | 2020-09-01 | 2021-04-16 | 水利部牧区水利科学研究所 | Electric soil sampling device |
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| CN113266292A (en) | 2021-08-17 |
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