CN112943136A - Core taking mechanism and core taking method - Google Patents
Core taking mechanism and core taking method Download PDFInfo
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- CN112943136A CN112943136A CN202110193642.8A CN202110193642A CN112943136A CN 112943136 A CN112943136 A CN 112943136A CN 202110193642 A CN202110193642 A CN 202110193642A CN 112943136 A CN112943136 A CN 112943136A
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- electric trolley
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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, core extractors
- E21B25/10—Formed core retaining or severing means
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Abstract
The invention provides a core taking mechanism and a core taking method. The coring method comprises the steps of 1, positioning a coring device; step 2, the electric trolley drives the motor current change through walking to enable the manipulator to be opened so as to be separated from the coring device, and the winch retracts the electric trolley to a safe position in the drill rod through a winch steel wire cable; and 3, breaking rock by using a drill bit, storing the middle core column by using the coring device, advancing the electric trolley and connecting the electric trolley with the spearhead of the coring device again through the mechanical arm, withdrawing the electric trolley by using the winch through a winch steel wire cable, and synchronously withdrawing the coring device along with the electric trolley to cut off the core column to finish coring operation. The electric trolley is used as a power transmission coring device and is used for providing power for the operation of the coring device.
Description
Technical Field
The invention relates to the technical field of geological exploration, in particular to a core taking mechanism and a core taking method.
Background
The wire coring widely adopted at present comprises the combined mode of diamond bit grinding, flushing fluid (such as water) cooling and deslagging and a flushing fluid conveying coring device to complete the coring operation. For example, the invention patent with the patent number of CN107905752A discloses a double-pipe wire line core drill, a drill assembled by the double-pipe wire line core drill and a core-taking method of the double-pipe wire line core drill, wherein a water joint is installed when the drill is put in, and an inner pipe assembly is pushed by water pressure until the drill is in place; the water joint is installed when the drilling tool is salvaged, the fisher is placed in the water joint, and the fisher is pushed to the inner pipe assembly by means of water pressure to be fixed with the fishing spearhead. The core drill bit disclosed by the invention needs to adopt water pressure as power for conveying the drill bit in place and the fisher in place. However, in the water-deficient and high-cold area, the water source is rare, the operation difficulty is large and the cost is high. In addition, water easily runs off when the core is got in horizontal drilling, leads to sticking the brill, burning and sealed quick wearing and tearing scheduling problem, and water is easily washed away and pollutes the rock core simultaneously, influences coring rate and lithology and judges, and the sediment is mixed in addition the water sediment back, is unfavorable for pneumatic down-the-hole hammer and arranges the sediment.
In summary, there is a need for a core-taking mechanism and a core-taking method to solve the problems of the prior art that the operation difficulty is high and the cost is high due to the adoption of water pressure as power.
Disclosure of Invention
The invention aims to provide a core taking mechanism, which has the following specific technical scheme:
the utility model provides a coring mechanism, includes portable setting at inside power unit and the coring device of drilling rod, power unit is connected with the coring device for provide power for the coring device operation.
Preferably, the power unit is an electric trolley.
Preferably, electronic dolly includes power component and tensioning assembly, power component includes walking driving motor, decelerator and drive gear, walking driving motor provides operation power for electronic dolly, and walking driving motor's output is connected with decelerator, decelerator and drive gear are connected for thereby realize electronic dolly to advance on transmitting walking driving motor's output power to drive gear, drive gear's quantity is two and sets up along the broadside direction symmetry of electronic dolly, tensioning assembly is connected with drive gear and provides the tensioning moment for drive gear and makes drive gear paste tight drilling rod inner wall.
Preferably, the tensioning assembly includes rocking arm tensioning motor, rocking arm tensioning screw, rocking arm tensioning connecting rod and the drive wheel rocking arm that connects gradually, the quantity of rocking arm tensioning connecting rod is two and separately sets up the one end tip of keeping away from rocking arm tensioning motor at rocking arm tensioning screw, the quantity of drive wheel rocking arm is two and corresponds the setting respectively on every rocking arm tensioning connecting rod, the drive wheel rocking arm is connected with drive gear one-to-one, the rotary torque that rocking arm tensioning motor provided converts axial thrust into through rocking arm tensioning screw to promote two rocking arm tensioning connecting rods and form certain contained angle, open two drive wheel rocking arms, transmit the tensile force to drive gear through the drive wheel rocking arm finally, make drive gear hug closely the drilling rod inner wall.
Preferably, the electric trolley further comprises a frame and a guide assembly arranged outside the frame, the frame is arranged outside the power assembly and the tension assembly, the number of the guide assemblies is two, the guide assemblies are symmetrically arranged at two ends of the frame along the length direction of the drill rod, each guide assembly comprises a support roller, a compression spring, an adjusting piece and a guide shaft, the guide shaft is arranged at one end of the frame along the length direction of the drill rod, the number of the support rollers is two, the support rollers are symmetrically arranged at two sides of the guide shaft through the telescopic pieces, the compression spring and the adjusting piece are sleeved on the guide shaft, one end of the compression spring is fixedly connected with the telescopic piece, the other end of the telescopic part is in contact with an adjusting part, the adjusting part is in threaded connection with the guide shaft, the compression spring is in a compressed state by rotating the adjusting part, and the telescopic part is further extruded to enable the support roller to be tightly attached to the inner wall of the drill rod;
the electric trolley is also provided with a monitor and a stroke metering device, the monitor is used for observing road conditions in the running direction of the electric trolley, and the stroke metering device is used for following the stroke of the electric trolley in real time.
Preferably, the number of the electric trolleys is at least one, and when the number of the electric trolleys is two or more, the adjacent electric trolleys are connected through a flange.
Preferably, still include manipulator and hoist engine, the one end of electronic dolly is passed through the manipulator and is connected with the spearhead of dragging for of coring device, the other end of electronic dolly is passed through wire cable and is connected with the hoist engine, and electronic dolly passes through wire cable and external power source intercommunication.
Preferably, the drill rod comprises a drill bit arranged at the operation end of the drill rod, and a positioning step and an elastic clamping chamber which are sequentially far away from the drill bit and arranged inside the drill rod.
Preferably, the coring device still includes the spring guide wheel and keeps away from in proper order and drags for bullet card component, O type circle, holding ring and the jump ring that the spearhead set up, play the card component be connected with O type circle and with play card room cooperation setting, the holding ring near O type circle and with the cooperation setting of location step, the jump ring is close to the drill bit setting for cut the core pillar, the spring guide wheel hoop sets up in the outside of coring device and laminates with the drilling rod inner wall.
The second purpose of the invention is to provide a coring method of a coring mechanism, which has the following specific technical scheme:
a coring method of the coring mechanism comprises the following steps:
step 1, positioning the coring device, specifically, connecting an electric trolley with a spearhead of the coring device through a mechanical arm, conveying the coring device to a preset position, enabling a positioning ring to abut against a positioning step, and opening an elastic clamping member into an elastic clamping chamber under the action of an O-shaped ring to complete positioning of the coring device;
step 2, withdrawing the electric trolley, specifically, the electric trolley drives the current change of a motor through walking to open the mechanical arm so as to separate from the coring device, and the winch withdraws the electric trolley to a safe position in the drill rod through a winch steel wire cable;
and 3, coring operation, specifically, breaking rock by using a drill bit, storing the middle core column by using the coring device, advancing the electric trolley and connecting the electric trolley with the spearhead of the coring device through the mechanical arm again, withdrawing the electric trolley by using the winch through a winch steel wire cable, synchronously withdrawing the coring device along with the electric trolley, driving the elastic clamping member to retract when the coring device retreats, and driving the clamp spring to retreat and tighten relative to the core column, so that the core column is cut off, and the coring operation is completed.
The technical scheme of the invention has the following beneficial effects:
the core taking mechanism provided by the invention adopts the electric trolley as the power conveying core taking device, is used for providing power for the operation of the core taking device, and solves the problems of great operation difficulty and high cost in the prior art by adopting water pressure as power. The coring method has the advantages of simple steps, easy operation and strong practicability.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of a core-pulling mechanism according to embodiment 1 of the present invention during operation;
FIG. 2 is a schematic structural view of the electric trolley and the manipulator arranged inside the drill pipe;
the automatic drilling machine comprises an electric trolley 1, a walking driving motor 1.1, a speed reducing device 1.2, a speed reducing device 1.3, a driving gear 1.4, a rotating arm tensioning motor 1.5, a rotating arm tensioning screw 1.6, a rotating arm tensioning connecting rod 1.7, a driving wheel rotating arm 1.8, a frame 1.9, a supporting roller 1.10, a compression spring 1.11, a monitor 1.12, an adjusting piece 1.13, a guide shaft 2, a coring device 2.1, a spearhead 2.2, an elastic clamping member 2.3, an O-shaped ring 2.4, a positioning ring 2.5, a snap spring 2.6, a spring guide wheel 3, a drill rod 3.1, a drill bit 3.2, a positioning step 3.3, an elastic clamping chamber 4, a manipulator 5, a winch 6 and a steel wire cable.
Detailed Description
Embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Example 1:
referring to fig. 1-2, a coring mechanism comprises a power unit and a coring device 2 which are movably arranged inside a drill rod 3, wherein the power unit is connected with the coring device 2 and is used for providing power for the operation of the coring device 2.
The power unit is an electric trolley 1.
Electronic dolly 1 includes power component and tensioning assembly, power component includes walking driving motor 1.1, decelerator 1.2 and drive gear 1.3, walking driving motor 1.1 provides operation power for electronic dolly 1, and walking driving motor 1.1's output is connected with decelerator 1.2, decelerator 1.2 is connected with drive gear 1.3 for thereby realize electronic dolly 1 and advance on the output power transmission of walking driving motor 1.1 to drive gear 1.3, drive gear 1.3's quantity is two and follows the broadside direction symmetry setting of electronic dolly 1, tensioning assembly is connected with two drive gear 1.3 and provides the tensioning moment for driving two gear 1.3 and makes two drive gear 1.3 paste tight drilling rod 3 inner wall.
The tensioning assembly comprises a rotary arm tensioning motor 1.4, a rotary arm tensioning screw rod 1.5, rotary arm tensioning connecting rods 1.6 and a driving wheel rotary arm 1.7 which are sequentially connected, the number of the rotary arm tensioning connecting rods 1.6 is two, the rotary arm tensioning connecting rods are separately arranged at one end part of the rotary arm tensioning screw rod 1.5 far away from the rotary arm tensioning motor 1.4, the number of the driving wheel rotary arm 1.7 is two, the two rotary arm tensioning connecting rods are respectively and correspondingly arranged on each rotary arm tensioning connecting rod 1.6, the driving wheel rotary arm 1.7 is in one-to-one correspondence with the driving wheel 1.3, the rotation torque provided by the rotary arm tensioning motor 1.4 is converted into axial thrust through the rotary arm tensioning screw rod 1.5, so that the two rotary arm tensioning connecting rods 1.6 are pushed to form a certain included angle, the two driving wheel rotary arms 1.7 are opened, and finally the tensioning force is transmitted to.
The electric trolley 1 further comprises a frame 1.8 and guide assemblies arranged outside the frame 1.8, wherein the frame 1.8 is arranged outside the power assembly and the tensioning assembly, the number of the guide assemblies is two, the guide assemblies are symmetrically arranged at two ends of the frame 1.8 along the length direction of the drill rod 3, each guide assembly comprises two support rollers 1.9, two compression springs 1.10, adjusting pieces 1.12 (preferably adjusting nuts) and two guide shafts 1.13, the guide shafts 1.13 are arranged at one end of the frame 1.8 along the length direction of the drill rod 3, the number of the support rollers 1.9 is two, the two support rollers are symmetrically arranged at two sides of the guide shaft 1.13 through telescopic pieces (particularly two hinged support rods), the compression springs 1.10 and the adjusting nuts are sleeved on the guide shaft 1.13, one ends of the compression springs 1.10 are fixedly connected with the telescopic pieces, the other ends of the compression springs are contacted with the adjusting nuts, and the adjusting nuts are in threaded connection with the guide shaft 1.13, the compression spring 1.10 is in a compressed state by rotating the adjusting nut, and the telescopic piece is further extruded to enable the supporting roller 1.9 to be tightly attached to the inner wall of the drill rod 3;
the electric trolley 1 is also provided with a monitor 1.11 and a stroke metering device (not shown in the figure), the monitor 1.11 is used for observing the road condition in the running direction of the electric trolley 1, and the stroke metering device is used for following the stroke of the electric trolley 1 in real time.
The number of the electric trolleys 1 is at least one, and when the number of the electric trolleys 1 is two or more, the adjacent electric trolleys 1 are connected through flanges. The number of the electric trolleys 1 in the embodiment is one.
Get core mechanism, still include manipulator 4 and hoist engine 5, the one end of electric trolley 1 is passed through manipulator 4 and is connected with the spearhead 2.1 of dragging for of coring device 2, the other end of electric trolley 1 passes through wire cable 6 and is connected with hoist engine 5, and electric trolley 1 passes through wire cable 6 and external power source intercommunication.
The drill rod 3 comprises a drill bit 3.1 arranged at the operation end of the drill rod 3, and a positioning step 3.2 and a spring clamping chamber 3.3 which are sequentially far away from the drill bit 3.1 and arranged inside the drill rod 3.
Coring device 2 still includes spring guide wheel 2.6 and keeps away from in proper order and drags for bullet card component 2.2, O type circle 2.3, holding ring 2.4 and jump ring 2.5 that spearhead 2.1 set up, bullet card component 2.2 is connected with O type circle 2.3 and sets up with bullet card room 3.3 cooperation, holding ring 2.4 is near O type circle 2.3 and sets up with location step 3.2 cooperation, and setting up of bullet card component 2.2 and holding ring 2.4 has guaranteed that coring device 2 can fix a position accurately fast, jump ring 2.5 is close to drill bit 3.1 and sets up for cut the core column, spring guide wheel 2.6 hoop sets up in coring device 2's outside and with the laminating of 3 inner walls of drilling rod, guarantees that coring device 2 keeps centering with 3 central axes of drilling rod in the motion process, prevents simultaneously that coring device 2 from advancing because of the deformation of drilling rod 3 and being blocked.
A coring method according to the coring mechanism, comprising the steps of:
step 1, positioning a coring device 2, specifically, connecting an electric trolley 1 with a spearhead 2.1 of the coring device 2 through a mechanical arm 4, conveying the coring device 2 to a preset position, enabling a positioning ring 2.4 to abut against a positioning step 3.2, and opening an elastic clamping member 2.2 into an elastic clamping chamber 3.3 under the action of an O-shaped ring 2.3 to complete positioning of the coring device 2;
step 2, the electric trolley 1 is retracted, specifically, the electric trolley 1 drives the current change of the motor 1.1 through walking to enable the manipulator 4 to be opened to be separated from the coring device 2, and the winch 5 retracts the electric trolley 1 to a safe position in the drill rod 3 through the winch steel wire cable 6;
step 3, coring operation, specifically, a drill bit 3.1 breaks rock, the coring device 2 stores a middle core column, the electric trolley 1 moves forward and is connected with the spearhead 2.1 of the coring device 2 through the mechanical arm 4 again, the winch 5 withdraws the electric trolley 1 through the winch steel wire cable 6, the coring device 2 is withdrawn along with the electric trolley 1 synchronously, the snap spring component 2.2 is driven to retract when the coring device 2 retreats, and the snap spring 2.5 is driven to retreat and tighten relative to the core column, so that the core column is cut off, and the coring operation is completed.
This embodiment adopts electronic dolly 1 to carry coring device 2 as power for 2 operations of coring device provide power, adopt the big and with high costs problem of the operation degree of difficulty that water pressure exists as power among the solution prior art.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a mechanism of coring which characterized in that, includes portable setting at inside power pack and the coring device of drilling rod, power pack is connected with the coring device for the coring device operation provides power.
2. The coring mechanism of claim 1, wherein the power unit is an electric cart.
3. The core-pulling mechanism according to claim 2, wherein the electric trolley comprises a power assembly and a tensioning assembly, the power assembly comprises a walking driving motor, a speed reducer and a driving gear, the walking driving motor provides running power for the electric trolley, an output end of the walking driving motor is connected with the speed reducer, the speed reducer is connected with the driving gear and used for transmitting output power of the walking driving motor to the driving gear so as to enable the electric trolley to advance, the two driving gears are symmetrically arranged along the direction of the wide edge of the electric trolley, and the tensioning assembly is connected with the driving gear and provides tensioning torque for the driving gear to enable the driving gear to be attached to the inner wall of the drill rod.
4. The core taking mechanism according to claim 3, wherein the tensioning assembly comprises a rotary arm tensioning motor, rotary arm tensioning screw rods, rotary arm tensioning connecting rods and driving wheel rotary arms which are sequentially connected, the number of the rotary arm tensioning connecting rods is two, the rotary arm tensioning connecting rods are separately arranged at the end part, far away from the rotary arm tensioning motor, of each rotary arm tensioning screw rod, the number of the driving wheel rotary arms is two, the driving wheel rotary arms are correspondingly arranged on each rotary arm tensioning connecting rod respectively, the driving wheel rotary arms are connected with the driving gears in a one-to-one correspondence mode, the rotary torque provided by the rotary arm tensioning motor is converted into axial thrust through the rotary arm tensioning screw rods, so that the two rotary arm tensioning connecting rods are pushed to form a certain included angle, the two driving wheel rotary arms are unfolded, and finally the.
5. The core taking mechanism as claimed in claim 4, wherein the electric trolley further comprises a frame and guide assemblies arranged outside the frame, the frame is arranged outside the power assembly and the tensioning assembly, the number of the guide assemblies is two, the guide assemblies are symmetrically arranged at two ends of the frame along the length direction of the drill rod, each guide assembly comprises a support roller, a compression spring, an adjusting piece and a guide shaft, the guide shaft is arranged at one end of the frame along the length direction of the drill rod, the number of the support rollers is two, the support rollers are symmetrically arranged at two sides of the guide shaft through telescopic pieces, the compression spring and the adjusting piece are sleeved on the guide shaft, one end of the compression spring is fixedly connected with the telescopic pieces, the other end of the compression spring is contacted with the adjusting piece, the adjusting piece is in threaded connection with the guide shaft, and the compression spring is in a compression state by rotating the adjusting piece, the telescopic piece is further extruded to enable the supporting roller to be tightly attached to the inner wall of the drill rod;
the electric trolley is also provided with a monitor and a stroke metering device, the monitor is used for observing road conditions in the running direction of the electric trolley, and the stroke metering device is used for following the stroke of the electric trolley in real time.
6. The core taking mechanism as claimed in claim 5, wherein the number of the electric trolleys is at least one, and when the number of the electric trolleys is two or more, the adjacent electric trolleys are connected through flanges.
7. The core-taking mechanism as claimed in claim 6, further comprising a mechanical hand and a winch, wherein one end of the electric trolley is connected with the spearhead of the coring device through the mechanical hand, the other end of the electric trolley is connected with the winch through a steel wire cable, and the electric trolley is communicated with an external power supply through the steel wire cable.
8. The coring mechanism of claim 7, wherein the drill stem comprises a drill bit disposed at the working end of the drill stem and a positioning step and a snapping chamber sequentially distant from the drill bit and disposed inside the drill stem.
9. The coring mechanism of claim 8, wherein the coring device further comprises a spring guide wheel, and an elastic clamping member, an O-shaped ring, a positioning ring and a snap spring which are sequentially arranged away from the spearhead, the elastic clamping member is connected with the O-shaped ring and is matched with the elastic clamping chamber, the positioning ring is arranged close to the O-shaped ring and is matched with the positioning step, the snap spring is arranged close to the drill bit and is used for cutting off the core column, and the spring guide wheel is annularly arranged outside the coring device and is attached to the inner wall of the drill rod.
10. A coring method of a coring mechanism as set forth in claim 9, comprising the steps of:
step 1, positioning the coring device, specifically, connecting an electric trolley with a spearhead of the coring device through a mechanical arm, conveying the coring device to a preset position, enabling a positioning ring to abut against a positioning step, and opening an elastic clamping member into an elastic clamping chamber under the action of an O-shaped ring to complete positioning of the coring device;
step 2, withdrawing the electric trolley, specifically, the electric trolley drives the current change of a motor through walking to open the mechanical arm so as to separate from the coring device, and the winch withdraws the electric trolley to a safe position in the drill rod through a winch steel wire cable;
and 3, coring operation, specifically, breaking rock by using a drill bit, storing the middle core column by using the coring device, advancing the electric trolley and connecting the electric trolley with the spearhead of the coring device through the mechanical arm again, withdrawing the electric trolley by using the winch through a winch steel wire cable, synchronously withdrawing the coring device along with the electric trolley, driving the elastic clamping member to retract when the coring device retreats, and driving the clamp spring to retreat and tighten relative to the core column, so that the core column is cut off, and the coring operation is completed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110193642.8A CN112943136B (en) | 2021-02-20 | 2021-02-20 | Coring mechanism and coring method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110193642.8A CN112943136B (en) | 2021-02-20 | 2021-02-20 | Coring mechanism and coring method |
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| CN112943136A true CN112943136A (en) | 2021-06-11 |
| CN112943136B CN112943136B (en) | 2022-12-02 |
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| CN114033327A (en) * | 2021-10-12 | 2022-02-11 | 深圳大学 | Lifting rope type coring self-locking anchoring device |
| CN114562226A (en) * | 2022-02-28 | 2022-05-31 | 中国铁建重工集团股份有限公司 | Coring inner tube |
| CN114961617A (en) * | 2022-07-29 | 2022-08-30 | 陕西太合智能钻探有限公司 | Hydrodynamic core drill |
| CN115234186A (en) * | 2022-08-12 | 2022-10-25 | 中国铁建重工集团股份有限公司 | Combined core drilling machine and working method thereof |
| CN116084870A (en) * | 2023-03-10 | 2023-05-09 | 西南石油大学 | Portable coring tool of all-terrain |
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| CN115234186B (en) * | 2022-08-12 | 2024-02-27 | 中国铁建重工集团股份有限公司 | Combined coring drilling machine and working method thereof |
| CN116084870A (en) * | 2023-03-10 | 2023-05-09 | 西南石油大学 | Portable coring tool of all-terrain |
| CN116084870B (en) * | 2023-03-10 | 2023-06-06 | 西南石油大学 | Portable coring tool of all-terrain |
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| CN112943136B (en) | 2022-12-02 |
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