CN113464056B - Roller bit with geological image acquisition and stratum sampling functions - Google Patents
Roller bit with geological image acquisition and stratum sampling functions Download PDFInfo
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- CN113464056B CN113464056B CN202110921666.0A CN202110921666A CN113464056B CN 113464056 B CN113464056 B CN 113464056B CN 202110921666 A CN202110921666 A CN 202110921666A CN 113464056 B CN113464056 B CN 113464056B
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- 238000005553 drilling Methods 0.000 claims description 76
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- 238000004891 communication Methods 0.000 claims description 14
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- 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
- E21B10/00—Drill bits
- E21B10/08—Roller bits
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- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/002—Survey of boreholes or wells by visual inspection
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- 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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/02—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by mechanically taking samples of the soil
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Abstract
The invention provides a roller bit with geological image acquisition and stratum sampling functions, which belongs to the technical field of roller bits and comprises a bit body, a sampling mechanism, an image acquisition assembly and a control system, wherein a cavity is arranged on the bit body, a sampling channel is arranged in the bit body along the height direction, the sampling mechanism is arranged in the sampling channel in a sliding manner, moves along the height direction of the bit body and can drill into the stratum to take out a stratum sample, the image acquisition assembly is arranged on the sampling assembly to acquire geological image information, and the control system receives the image information acquired by the image acquisition assembly and controls the sampling assembly to operate. The roller bit with the geological image acquisition and stratum sampling functions provided by the invention has the technical effects that the sampling mechanism and the image acquisition assembly are integrated on the roller bit, the geological image acquisition and stratum sampling operation is convenient and flexible, the image acquisition and sampling efficiency is high, and the roller bit does not need to go back and forth in and out of a shaft.
Description
Technical Field
The invention belongs to the technical field of roller bit, and particularly relates to a roller bit with geological image acquisition and stratum sampling functions.
Background
The roller bit is the most widely used rock breaking tool for petroleum drilling at present, and the use effect and the service life of the roller bit have very important influence on the drilling construction and the drilling cost. The roller bit among the prior art only possesses the function of boring into the stratum, can not realize gathering the inside geological image of pit shaft and the function of taking a sample to the stratum, so when needs gather the inside geological image of pit shaft or take a sample to the stratum, just need use professional image acquisition equipment and stratum sampling equipment, send into inside the pit shaft with instruments such as drilling rod with image acquisition equipment and stratum sampling equipment to gather and take a sample to the stratum geological image. The above operations have drawbacks: need professional equipment to carry out image acquisition and stratum sample, need alternate operation with the drill bit in the pit shaft, take out the back promptly, just can carry out image acquisition, can carry out the stratum sample after image acquisition accomplishes, can carry out the drill bit drilling once more after the stratum sample. Under the condition of limited space, the sampling device and the image acquisition device cannot be integrated on the roller bit so as to acquire geological images and sample stratums, and the roller bit, the sampling device and the image acquisition device are required to alternately and repeatedly operate in a shaft, so that the geological image acquisition and stratum sampling operation is troublesome and low in efficiency, the drill bit drilling time is long, and the drilling efficiency is low.
Disclosure of Invention
The invention aims to provide a roller bit with geological image acquisition and stratum sampling functions, and aims to solve the technical problems that the geological image acquisition and stratum sampling operations are troublesome, the efficiency is low, and the geological image acquisition and stratum sampling operations cannot be integrated on the roller bit.
In order to achieve the purpose, the invention adopts the technical scheme that: the roller bit with geological image acquisition and stratum sampling functions comprises a bit body, a sampling mechanism, an image acquisition assembly and a control system, wherein a cavity is formed in one end, far away from a roller, of the bit body; the sampling mechanism is arranged in the sampling channel in a sliding manner, is provided with a sampling component which can move in the sampling channel along the height direction of the drill bit body and can extend out of the upper end of the sampling channel, and the sampling component is used for drilling into a stratum and taking out a stratum sample by virtue of the rotation of the drill bit body; the image acquisition assembly is arranged on the sampling assembly and is provided with a camera which is used for acquiring geological information towards the outside of the sampling channel, and the camera does not contact the ground layer in the sampling process; the control system is arranged in the cavity, is electrically connected with the sampling mechanism and the image acquisition assembly respectively, and is used for receiving the image information acquired by the image acquisition assembly and controlling the operation of the sampling assembly.
In a possible implementation manner, a vibration generator is arranged on the outer wall of the drill bit body, a storage battery electrically connected with an electric energy output end of the vibration generator is arranged in the cavity, the storage battery is used for storing electric energy, and the electric energy output end of the storage battery is respectively connected with the sampling mechanism, the camera and the control system in an electric mode and used for supplying power respectively.
In a possible implementation manner, the roller bit with the geological image acquisition and stratum sampling functions further comprises a mobile terminal with a display screen, a first wireless communication module is arranged on the control system, a second wireless communication module in wireless communication connection with the first wireless communication module is arranged on the mobile terminal, the mobile terminal can observe the image acquired by the image acquisition assembly in real time through the display screen, and a control button for controlling the operation of the sampling mechanism is arranged on the mobile terminal.
In a possible implementation manner, the sampling mechanism includes a slide rail and a pushing assembly, the slide rail is disposed in the sampling channel along the height direction of the drill bit body, and the sampling assembly is slidably disposed on the slide rail and can extend out of the sampling channel to sample the formation; the ejection assembly is arranged in the sampling channel, the ejection end is connected with the sampling assembly and used for pushing the sampling assembly to slide on the sliding rail, the ejection assembly is electrically connected with the control system and controlled by the control system, and the sampling depth of the sampling assembly in the stratum is controlled by the ejection length of the ejection assembly.
In one possible implementation manner, the sampling assembly comprises a sliding block, a drill string and two drilling tools, wherein the sliding block is slidably arranged on the sliding rail; the drill stem is fixedly arranged on the sliding block, the height direction of the drill stem is along the height direction of the drill bit body, the drill stem is a telescopic component, and the image acquisition assembly is arranged on the drill stem and can shoot geological image information; the two drilling tools are in semi-circular shapes, the end parts of the two drilling tools are hinged to the upper end of the drill column, the two drilling tools are symmetrically arranged in the axial direction of the drill column, the two drilling tools can rotate to the upper part of the drill column to be unfolded after extending out of the sampling channel, the two drilling tools can be unfolded to form an oval or circular shape after being unfolded, the two unfolded drilling tools are used for drilling a stratum and taking out a stratum sample, and the height or the depth of the drilling tools into the stratum is adjusted by means of the pushing component and the drill column.
In a possible implementation manner, the drilling tool comprises a drilling disc and a plurality of ejection columns, the drilling disc is in a semicircular ring shape, a plurality of drill bits are uniformly distributed on the upper end face of the drilling disc, two ends of the drilling disc are hinged to one side of the upper end of the drilling string, the drilling disc is folded after rotating towards the direction close to the drilling string and unfolded after rotating towards the direction far away from the drilling string, and when the drilling disc is positioned in the sampling channel, the drilling disc is folded; and the plurality of ejection columns are positioned below the drill plate, one end of each ejection column is hinged on the drill column, the other end of each ejection column is hinged on the drill plate and is used for ejecting the drill plate to rotate, and after the drill plate extends out of the sampling channel, the drill plate is ejected by the ejection columns and then is unfolded so as to drill a stratum and take out a stratum sample.
In a possible implementation manner, the pushing assembly comprises a conveying assembly and a telescopic rod, the conveying assembly is arranged in the sampling channel, the conveying direction is along the height direction of the drill bit body, and the conveying assembly can circularly and reciprocally convey; the telescopic link is followed drill bit body direction of height is flexible, and one end sets firmly on the conveying end of conveying subassembly, the other end with the sampling subassembly is articulated to be connected, the telescopic link is used for promoting the sampling subassembly slides on the slide rail, in order to stretch out sampling channel and sample, the stratum degree of depth with the help of the drilling of sampling subassembly conveying subassembly with the telescopic link is adjusted.
In a possible implementation manner, a temperature sensor is arranged on the bit body near the cone and used for monitoring the cone temperature in real time, the temperature sensor is electrically connected with the control system and sends temperature information to the control system, and the control system can display the monitored temperature information.
In a possible implementation manner, a rotation speed sensor is arranged on the bit body near the cone and used for monitoring the rotation speed of the cone in real time, the rotation speed sensor is electrically connected with the control system and sends rotation speed information to the control system, and the control system can display the monitored rotation speed information.
In a possible implementation manner, a torque sensor for monitoring the rotation torque of the roller cone is further arranged on the bit body, the torque sensor is electrically connected with the control system, and the rotation torque value of the roller cone can be displayed on the control system.
The roller bit with the geological image acquisition and stratum sampling functions provided by the invention has the beneficial effects that: compared with the prior art, the roller bit with the geological image acquisition and stratum sampling functions comprises a bit body, a sampling mechanism, an image acquisition assembly and a control system, wherein a cavity is formed in the bit body, a sampling channel is formed in the bit body in the height direction, the sampling mechanism is arranged in the sampling channel in a sliding mode, the sampling assembly can move in the sampling channel in the height direction of the bit body and can stretch out of the upper end of the sampling channel, the sampling assembly drills into a stratum and takes out a stratum sample, the image acquisition assembly is arranged on the sampling assembly and is provided with a camera which is used for acquiring geological information towards the outside of the sampling channel, the camera does not contact with the stratum in the sampling process, the control system receives the image information acquired by the image acquisition assembly and controls the sampling assembly to run, the technical problems that the geological image acquisition and stratum sampling operation is troublesome and low in efficiency and cannot be integrated on the roller bit are solved, the technical effects that the sampling mechanism and the image acquisition assembly are integrated on the roller bit are high in the roller bit, the geological image acquisition and stratum sampling operation are convenient and flexible, the image acquisition and sampling efficiency is high, and the technical effect that the drill bit does not need to go back and forth.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a roller cone drill bit with geological image acquisition and formation sampling functions according to an embodiment of the invention;
FIG. 2 is a schematic diagram (or longitudinal half-sectional view, not shown with respect to a slide and push assembly) of an internal structure of a roller cone drill bit with geological image acquisition and formation sampling functions according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a sampling mechanism of a roller cone drill bit with geological image acquisition and formation sampling functions according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a sampling assembly of the roller cone drill bit of FIG. 3 having geological image acquisition and formation sampling capabilities;
FIG. 5 is a top view of a sampling assembly of the roller cone drill bit of FIG. 3 having geologic image acquisition and formation sampling capabilities.
Description of reference numerals:
1. a drill bit body; 2. a sampling mechanism; 21. a sampling assembly; 211. a slider; 212. a drill string; 213. drilling tools; 2131. drilling a disc; 2132. pushing the column; 22. a slide rail; 23. a push-out assembly; 231. a transfer assembly; 232. a telescopic rod; 3. an image acquisition component; 4. a control system; 5. a cavity; 6. a sampling channel; 7. a vibration generator; 8. a storage battery; 9. a mobile terminal; 10. a temperature sensor; 11. a rotational speed sensor; 12. a torque sensor.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 5, a roller cone drill bit with geological image acquisition and formation sampling functions according to the present invention will now be described. The roller bit with the geological image acquisition and stratum sampling functions comprises a bit body 1, a sampling mechanism 2, an image acquisition assembly 3 and a control system 4, wherein a cavity 5 is formed in one end, far away from a roller, of the bit body 1, the outer wall, located outside the cavity 5, of the bit body 1 is used for being connected with a drill rod, a sampling channel 6 is arranged inside the bit body 1 along the height direction, the upper end of the bit body 1 is communicated with the inside of the cavity 5 through the sampling channel 6, and the sampling channel 6 is located in the center of the bit body 1; the sampling mechanism 2 is arranged in the sampling channel 6 in a sliding manner, is provided with a sampling component 21 which can move in the sampling channel 6 along the height direction of the drill bit body 1 and can extend out of the upper end of the sampling channel 6, and the sampling component 21 is used for drilling into the stratum and taking out a stratum sample by virtue of the rotation of the drill bit body 1; the image acquisition assembly 3 is arranged on the sampling assembly 21 and is provided with a camera which is used for acquiring geological information and faces the outside of the sampling channel 6, and the camera does not contact the ground layer in the sampling process; the control system 4 is arranged in the cavity 5, is electrically connected with the sampling mechanism 2 and the image acquisition assembly 3 respectively, and is used for receiving the image information acquired by the image acquisition assembly 3 and controlling the operation of the sampling assembly 21.
Compared with the prior art, the roller bit with the geological image acquisition and stratum sampling functions comprises a bit body 1, a sampling mechanism 2, an image acquisition assembly 3 and a control system 4, wherein a cavity 5 is formed in the bit body 1, a sampling channel 6 is arranged in the bit body 1 along the height direction, the sampling mechanism 2 is arranged in the sampling channel 6 in a sliding mode and provided with a sampling assembly 21 which can move in the sampling channel 6 along the height direction of the bit body 1 and can extend out of the upper end of the sampling channel 6, the sampling assembly 21 drills into the stratum and takes out a stratum sample, the image acquisition assembly 3 is arranged on the sampling assembly 21 and provided with a camera which acquires geological information towards the outside of the sampling channel 6, the camera does not contact the stratum in the sampling process, the control system 4 receives the image information acquired by the image acquisition assembly 3 and controls the sampling assembly 21 to operate, the technical problems that the geological image acquisition and stratum sampling operation are troublesome, the efficiency is low, the roller bit cannot be integrated on the geological image acquisition and stratum sampling are solved, the roller bit and the roller bit can conveniently acquire images and stratum without flexibly achieving the effect of reciprocating sampling of the roller bit.
Specifically, the shape of the sampling channel 6 is not limited herein, and may be adapted to the shape of the sampling assembly 21, so that the sampling assembly 21 can slide or move in the sampling channel 6. After drilling into the formation, the sampling assembly 21, such as a sleeve-type drilling tool, can take a small sample of the formation being drilled, similar to the case where a sleeve-type drilling tool, such as an air conditioning pipe, is used to drill a hole in a wall, and the like, and a small sample of the wall is taken.
In some embodiments, referring to fig. 1 to 5, a vibration generator 7 is disposed on an outer wall of the drill body 1, a storage battery 8 electrically connected to an electric energy output end of the vibration generator 7 is disposed in the cavity 5, the storage battery 8 is used for storing electric energy, and the electric energy output end of the storage battery 8 is electrically connected to the sampling mechanism 2, the camera and the control system 4, and is used for supplying power to the sampling mechanism, the camera and the control system respectively.
Specifically, vibration generator 7 is miniature vibration generator 7 that uses among the prior art, and drill bit body 1 must produce the vibration at the in-process that creeps into, has had the vibration back, then vibration generator 7 can produce the electric energy through the vibrational force, is convenient for charge for battery 8, and then can supply power for the load. The vibration generator 7 is detachably connected with the drill bit body 1.
In some embodiments, referring to fig. 1 to 5, the roller bit with geological image acquisition and formation sampling functions further includes a mobile terminal 9 having a display screen, the control system 4 is provided with a first wireless communication module, the mobile terminal 9 is provided with a second wireless communication module in wireless communication with the first wireless communication module, the mobile terminal 9 can observe the image acquired by the image acquisition assembly 3 in real time through the display screen, and the mobile terminal 9 is provided with a control button for controlling the operation of the sampling mechanism 2.
Image information data can be seen on the mobile terminal 9, so that the reasonable operation of the drill bit body 1 is guaranteed, the drill bit is reasonably used for drilling, and the service life of the drill bit can be prolonged. The mobile terminal 9 may be a mobile phone or a tablet or a remote controller. Through the transmission data between the wireless signals, the sampling mechanism 2 can be controlled on the mobile terminal 9, and the same effect can be achieved as that of controlling the sampling mechanism 2 through the control system 4. Therefore, during the drilling process of the drill bit body 1 or after the drilling is suspended, the sampling operation can be completed only by operating the mobile terminal 9, and the operation on the control panel is not needed.
In this embodiment, the connection manner between the first wireless communication module and the second wireless communication module is relatively conventional, and can also be implemented by directly adopting the connection manner in the prior art.
In some embodiments, referring to fig. 1 to 5, the sampling mechanism 2 includes a slide rail 22 and a pushing assembly 23, the slide rail 22 is disposed in the sampling passage 6 along the height direction of the drill body 1, and the sampling assembly 21 is slidably disposed on the slide rail 22 and can extend out of the sampling passage 6 to sample the formation; the pushing component 23 is arranged in the sampling channel 6, the pushing top end is connected with the sampling component 21 and used for pushing the sampling component 21 to slide on the sliding rail 22, the pushing component 23 is electrically connected with the control system 4 and controlled by the control system 4, and the sampling depth of the sampling component 21 in the stratum is controlled by the pushing length of the pushing component 23. Through making sampling subassembly 21 slide on slide rail 22 to reciprocating motion in sampling passageway 6, can take a sample to the stratum after stretching out sampling passageway 6, move outside the pit shaft along with drill bit body 1 after the sample, when taking out the stratum sample that will be taken out from sampling mechanism 2, place drill bit body 1 inside the pit shaft again, so that creep into the operation once more. The camera can sample in real time, image information can be observed in real time, and geological images of each layer can be reasonably mastered, so that the drill bit body 1 can be judged to drill into the stratum in which form, and help is provided for geological stratum exploration.
Specifically, the length of the ejector assembly 23 ejecting the sampling assembly 21 is greater than the length of the slide rail 22, that is, after the ejector assembly 23 ejects the sampling assembly 21 to the upper end of the slide rail 22, the sampling assembly 21 can extend out of the sampling passage 6 and the extended height is greater than the height of the upper end of the roller bit, that is, the sampling assembly 21 can perform drilling sampling and other operations.
In some embodiments, referring to fig. 1 to 5, the sampling assembly 21 includes a sliding block 211, a drill string 212, and two drilling tools 213, wherein the sliding block 211 is slidably disposed on the sliding rail 22; the drill string 212 is fixedly arranged on the sliding block 211, the height direction of the drill string 212 is along the height direction of the drill bit body 1, the drill string 212 is a telescopic component, and the image acquisition assembly 3 is arranged on the drill string 212 and can shoot geological image information; the two drilling tools 213 are semicircular and are hinged to the upper end of the drill string 212, the two drilling tools 213 are symmetrically arranged in the axial direction of the drill string 212, the two drilling tools 213 can rotate above the drill string 212 to be unfolded after extending out of the sampling channel 6, the two drilling tools 213 can be encircled to be elliptical or circular after being unfolded, the two expanded drilling tools 213 are used for drilling into the stratum and taking out stratum samples, and the height or the drilling depth of the drilling tools 213 is adjusted by means of the pushing assembly 23 and the drill string 212. The two drilling tools 213 jointly form a drilling structure, and drill into the stratum along with the rotation of the drill bit body 1, at the moment, the three roller cones are in a suspended state and do not drill into the stratum, after sampling through the sampling assembly 21, the sampling assembly 21 and the drill bit body 1 are moved to the outside of a shaft, and at the moment, a drilled stratum sample can be taken out. The longitudinal section of the slider 211 is in a straight line shape.
The camera is arranged on the drill string 212 through the bracket, and the shooting angle or the direction of the camera can be adjusted or changed, so that the sampling can be carried out towards different directions outside the sampling channel 6, and the proper geological image information can be acquired.
Specifically, the drill string 212 is in a cubic shape, which is not a cylindrical shape, and as shown in fig. 5, the drill string 212 is in a structure shown by a dashed line frame located in the middle of the two sets of drilling tools 213, or it can be understood that the drill string 212 is in a plate shape, the two drilling tools 213 are respectively disposed on opposite side surfaces of the drill string 212 and are away from each other, the two drilling tools 213 run simultaneously, or are in a folded shape or an unfolded shape, the schematic diagram in fig. 5 is that the two drilling tools 213 are in an unfolded state, at this time, the drilling can be performed into the formation by means of the torque of the drill bit body 1, the formation taken out by the drilling is in a cylindrical or elliptic cylindrical shape, and at this time, the sampled sample is sent to the ground, so that the operator can perform re-detection and analysis, and judge the formation information drilled by the drill bit. In addition, the shot image information is collected through the camera, and help can be provided for judging the geological information of the stratum because the image in each stratum is different.
In some embodiments, referring to fig. 1 to 5, the drilling tool 213 includes a drilling disc 2131 and a plurality of ejector columns 2132, the drilling disc 2131 is semi-circular, a plurality of drill bits (a convex structure in fig. 4 and a plurality of concentric circles in fig. 5) are uniformly distributed on an upper end surface, both ends are hinged to one side of an upper end of the drill string 212, the drilling disc 2131 is folded after rotating in a direction close to the drill string 212 and unfolded after rotating in a direction away from the drill string 212, and the drilling disc 2131 is folded when the drilling disc 2131 is located in the sampling passage 6; a plurality of ejector columns 2132 are located below the drill plate 2131, one end of each ejector column is hinged to the drill string 212, the other end of each ejector column is hinged to the drill plate 2131, the ejector columns 2131 are used for ejecting the drill plate 2131 to rotate, and after the drill plate 2131 extends out of the sampling channel 6, the drill plate 2131 is ejected by the ejector columns 2132 and then is unfolded, so that the stratum is drilled, and a stratum sample is taken out.
After the drill disks 2131 on the two drilling tools 213 are pushed by the plurality of pushing columns 2132, the drilling tools are in a horizontal and flat state, the two drill disks 2131 are encircled into a circle and can be used as drilling tools for drilling into the stratum, the two drill disks 2131 drill into the stratum in a rotating mode, the stratum drilled at this time is in a cylindrical shape, finally, the drill bit body 1 is used for shaking in the horizontal direction, the two drilling tools 213 move in the horizontal direction, the sample is shaken, the sample is pulled out of the stratum, and the taken stratum sample can be obtained. When the two drilling discs 2131 are folded, the outer ends thereof do not contact the sliding rails 22, so that the sampling assembly 21 slides freely in the sampling passage 6, i.e. without sliding obstacles.
At least 2 ejector columns 2132 are arranged on one drill plate 2131, and the ejector columns 2132 operate simultaneously, so that the simultaneous action of the two drill plates 2131 is realized. The hinged connection between the two ends of the drill disk 2131 and the drill string 212 is stable, and the phenomenon that the drill disk 2131 is separated from the drill string 212 due to the fact that the hinged connection is not firm in the drilling process along with the drill bit body 1 can be avoided.
The ejection column 2132 is a telescopic rod and is electrically connected with the control system 4, the operation is controlled by the control system 4, manual control is not needed, and the automatic operation of stratum sampling is realized.
In some embodiments, referring to fig. 1 to 5, the pushing assembly 23 includes a conveying assembly 231 and a telescopic rod 232, the conveying assembly 231 is disposed in the sampling passage 6, the conveying direction is along the height direction of the drill bit body 1, and the conveying assembly 231 can be circularly and reciprocally conveyed; the telescopic link 232 is flexible along 1 direction of height of drill bit body, and one end sets firmly on the delivery end of transfer module 231, the other end is connected with sampling component 21 is articulated, and telescopic link 232 is used for promoting sampling component 21 and slides on slide rail 22, in order to stretch out sampling channel 6 and sample, and the drilling stratum degree of depth of sampling component 21 is adjusted with the help of transfer module 231 and telescopic link 232.
Through the cooperation action of the conveying assembly 231 and the telescopic rod 232, the sampling assembly 21 is pushed to move back and forth in the height direction of the sampling channel 6, and the formation sampling operation can be met. Specifically, telescopic link 232 is an electric telescopic rod 232 or electric putter, can stretch out and draw back, and conveying subassembly 231 and telescopic link 232 all with control system 4 electric connection, both can control the operation of conveying subassembly 231 and telescopic link 232 through control system 4, make sampling component 21 slide on slide rail 22. The upper end of the telescopic rod 232 is hinged at the bottom of the sliding block 211.
Specifically, the conveying assembly 231 and the telescopic rod 232 are provided with at least two sets and push the sampling assembly 21 to slide together. The conveying component 231 is a belt transmission component or a chain transmission component, and comprises a motor, a driving wheel connected with a power output end of the motor, a driven wheel arranged in the sampling channel 6 in parallel with the driving wheel, and a conveying belt or a conveying chain wrapping the driving wheel and the driven wheel, wherein power is provided by the motor, the driving wheel rotates, the conveying belt or the conveying chain rotates to convey, the telescopic rod 232 can reciprocate along the height direction of the sampling channel 6 by changing the rotating direction of the motor, and then the sampling height of the sampling component 21 is adjusted.
In some embodiments, referring to fig. 1 to 5, a temperature sensor 10 is disposed on the bit body 1 near the cone, the temperature sensor 10 is used for monitoring the cone temperature in real time, the temperature sensor 10 is electrically connected to the control system 4 and sends temperature information to the control system 4, and the control system 4 can display the monitored temperature information.
In some embodiments, referring to fig. 1 to 5, a rotation speed sensor 11 is disposed on the bit body 1 near the roller cone, the rotation speed sensor 11 is configured to monitor a rotation speed of the roller cone in real time, the rotation speed sensor 11 is electrically connected to the control system 4 and sends rotation speed information to the control system 4, and the control system 4 can display the monitored rotation speed information.
Specifically, the temperature sensor 10 and the rotation speed sensor 11 are at least one, and can simultaneously perform real-time monitoring, and transmit the monitored data to the control system 4 in real time. The control system 4 is a control panel in the prior art, is internally provided with a PLC (programmable logic controller), can receive signals detected by the sensor, and can also actively control the sampling mechanism 2 to sample the stratum and reasonably control the operation of the drill bit body 1.
In some embodiments, referring to fig. 1 to 5, the bit body 1 is further provided with a torque sensor 12 for monitoring the rotation torque of the roller cone, the torque sensor 12 is electrically connected to the control system 4, and the rotation torque value of the roller cone can be displayed on the control system 4. The torque sensor 12 is a sensor in the prior art, can directly perform real-time monitoring, and transmits the monitored data to the control system 4 or the mobile terminal 9, so that a worker can observe and reasonably control the operation of the drill bit body 1.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. Roller bit with geological image acquisition and stratum sampling functions, characterized by comprising:
the drill bit comprises a drill bit body, a cavity is arranged at one end, far away from a cone, of the drill bit body, the outer wall, located outside the cavity, of the drill bit body is used for being connected with a drill rod, a sampling channel is arranged inside the drill bit body along the height direction, the sampling channel enables the upper end of the drill bit body to be communicated with the inside of the cavity, and the sampling channel is located in the center of the drill bit body;
the sampling mechanism is arranged in the sampling channel in a sliding manner, is provided with a sampling component which can move in the sampling channel along the height direction of the drill bit body and can extend out of the upper end of the sampling channel, and the sampling component is used for drilling into the stratum and taking out a stratum sample by virtue of the rotation of the drill bit body;
the image acquisition assembly is arranged on the sampling assembly and is provided with a camera which is used for acquiring geological information towards the outside of the sampling channel, and the camera does not contact the ground layer in the sampling process; and
the control system is arranged in the cavity, is electrically connected with the sampling mechanism and the image acquisition assembly respectively, and is used for receiving the image information acquired by the image acquisition assembly and controlling the operation of the sampling assembly;
the outer wall of the drill bit body is provided with a vibration generator, a storage battery electrically connected with an electric energy output end of the vibration generator is arranged in the cavity, the storage battery is used for storing electric energy, and the electric energy output end of the storage battery is respectively electrically connected with the sampling mechanism, the camera and the control system and is used for supplying power respectively;
the sampling mechanism includes:
the sliding rail is arranged in the sampling channel along the height direction of the drill bit body, and the sampling assembly is arranged on the sliding rail in a sliding mode and can extend out of the sampling channel so as to sample the stratum; and
the ejection assembly is arranged in the sampling channel, the ejection end is connected with the sampling assembly and used for pushing the sampling assembly to slide on the sliding rail, the ejection assembly is electrically connected with the control system and controlled by the control system, and the sampling depth of the sampling assembly in the stratum is controlled by the ejection length of the ejection assembly;
the sampling assembly includes:
the sliding block is arranged on the sliding rail in a sliding manner;
the drill stem is fixedly arranged on the sliding block, the height direction of the drill stem is along the height direction of the drill bit body, the drill stem is a telescopic component, and the image acquisition assembly is arranged on the drill stem and can shoot geological image information; and
the two drilling tools are semicircular and are symmetrically arranged in the axial direction of the drill column, can rotate above the drill column to be unfolded after extending out of the sampling channel, can be encircled to be elliptical or circular after being unfolded, are used for drilling a stratum and taking out a stratum sample, and the height or the drilling depth of the drilling tools is adjusted by means of the ejector component and the drill column;
the drilling tool comprises:
the drill plate is in a semicircular ring shape, a plurality of drill bits are uniformly distributed on the upper end face of the drill plate, two ends of the drill plate are hinged to one side of the upper end of the drill column, the drill plate is folded after rotating towards the direction close to the drill column and unfolded after rotating towards the direction far away from the drill column, and the drill plate is folded when positioned in the sampling channel; and
and the plurality of ejection columns are positioned below the drill plate, one ends of the ejection columns are hinged on the drill column, the other ends of the ejection columns are hinged on the drill plate and are used for ejecting the drill plate to rotate, and after the drill plate extends out of the sampling channel, the drill plate is ejected by the ejection columns and then is unfolded so as to drill into a stratum and take out a stratum sample.
2. The roller bit with geological image acquisition and formation sampling functions as claimed in claim 1, further comprising a mobile terminal with a display screen, wherein a first wireless communication module is arranged on the control system, a second wireless communication module in wireless communication connection with the first wireless communication module is arranged on the mobile terminal, the mobile terminal can observe the image acquired by the image acquisition assembly in real time through the display screen, and a control button for controlling the operation of the sampling mechanism is arranged on the mobile terminal.
3. A roller cone drill bit having geological image acquisition and formation sampling capabilities according to claim 1, wherein said ejection assembly comprises:
the conveying assembly is arranged in the sampling channel, the conveying direction is along the height direction of the drill bit body, and the conveying assembly can convey in a circulating and reciprocating manner; and
the telescopic link is followed drill bit body direction of height is flexible, and one end sets firmly on the conveying end of conveying subassembly, the other end with the sample subassembly is articulated to be connected, the telescopic link is used for promoting the sample subassembly is in slide on the slide rail, in order to stretch out sample passageway and sample, the formation degree of depth is gone into with the help of to the sample subassembly with the telescopic link is adjusted.
4. The roller cone drill bit with geological image acquisition and formation sampling functions of claim 1, wherein a temperature sensor is arranged on the bit body near the roller cone and used for monitoring the temperature of the roller cone in real time, the temperature sensor is electrically connected with the control system and sends temperature information to the control system, and the control system can display the monitored temperature information.
5. The roller bit having geological image acquisition and formation sampling functions as claimed in claim 1, wherein a rotational speed sensor is disposed on the bit body near the roller, the rotational speed sensor is used for monitoring the rotational speed of the roller in real time, the rotational speed sensor is electrically connected with the control system and sends rotational speed information to the control system, and the control system can display the monitored rotational speed information.
6. The roller cone drill bit having geological image acquisition and formation sampling functions as claimed in claim 1, wherein a torque sensor for monitoring the rotational torque of the roller cone is further disposed on the bit body, the torque sensor is electrically connected to the control system, and the rotational torque value of the roller cone can be displayed on the control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110921666.0A CN113464056B (en) | 2021-08-11 | 2021-08-11 | Roller bit with geological image acquisition and stratum sampling functions |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110921666.0A CN113464056B (en) | 2021-08-11 | 2021-08-11 | Roller bit with geological image acquisition and stratum sampling functions |
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| Publication Number | Publication Date |
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| CN113464056A CN113464056A (en) | 2021-10-01 |
| CN113464056B true CN113464056B (en) | 2023-02-03 |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110162888A1 (en) * | 2009-12-02 | 2011-07-07 | Mchugh Charles | System and method for the autonomous drilling of ground holes |
| CN204571941U (en) * | 2015-04-21 | 2015-08-19 | 河南理工大学 | A kind of underground coal mine drilling rod bit freezing, underground drilling accident quick treatment device |
| CN205656028U (en) * | 2016-05-05 | 2016-10-19 | 江苏长江地质勘查院 | Special sampling drill bit of high accuracy geological survey |
| CN207160989U (en) * | 2017-09-23 | 2018-03-30 | 四川奥格特金刚石钻头有限公司 | A kind of pdc drill bits of high directionality |
| CN110159264A (en) * | 2018-01-15 | 2019-08-23 | 高强 | A kind of hard rock soil layer chisel bit used for geological prospecting |
| CN208236345U (en) * | 2018-04-18 | 2018-12-14 | 广东有色工程勘察设计院 | Geological mapping drilling rod with infrared camera |
| CN109869293A (en) * | 2019-04-17 | 2019-06-11 | 西南交通大学 | A kind of power generator using rail vibration |
| CN110821410A (en) * | 2019-11-20 | 2020-02-21 | 中国地质大学（北京） | Drilling, sampling and real-time measuring integrated drilling tool |
| CN112177533B (en) * | 2020-09-28 | 2023-07-25 | 沧州格锐特钻头有限公司 | PDC drill bit for directional drilling |
| CN112629918B (en) * | 2020-12-29 | 2023-10-20 | 中国建筑材料工业地质勘查中心青海总队 | Sampling device for geological prospecting and sampling method thereof |
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