CN117404036A - Ultrasonic energy assisted rotary percussion drilling coring device - Google Patents
Ultrasonic energy assisted rotary percussion drilling coring device Download PDFInfo
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- CN117404036A CN117404036A CN202311478543.XA CN202311478543A CN117404036A CN 117404036 A CN117404036 A CN 117404036A CN 202311478543 A CN202311478543 A CN 202311478543A CN 117404036 A CN117404036 A CN 117404036A
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- 238000005553 drilling Methods 0.000 title claims abstract description 63
- 238000009527 percussion Methods 0.000 title claims abstract description 31
- 239000002131 composite material Substances 0.000 claims abstract description 38
- 230000009471 action Effects 0.000 claims abstract description 12
- 230000008878 coupling Effects 0.000 claims abstract description 6
- 238000010168 coupling process Methods 0.000 claims abstract description 6
- 238000005859 coupling reaction Methods 0.000 claims abstract description 6
- 239000000919 ceramic Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 10
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 6
- 229910052709 silver Inorganic materials 0.000 claims description 6
- 239000004332 silver Substances 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract 2
- 239000011435 rock Substances 0.000 description 25
- 150000001875 compounds Chemical class 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
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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
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
- E21B25/10—Formed core retaining or severing means
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Mining & Mineral Resources (AREA)
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- Environmental & Geological Engineering (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses an ultrasonic energy assisted rotary percussion drilling coring device which comprises a shell, a rotary power source, a motor flange and a shell rear cover, wherein the rotary power source, the motor flange and the shell rear cover are arranged in the shell, the rotary power source is fixed in the shell through the motor flange and the shell rear cover, one side of the rotary power source is connected with an encoder, a coupling is arranged at the joint of the rotary power source and the motor flange, one end of the rotary power source, which is far away from the motor flange, is an output shaft, and a handle is fixedly arranged at the outer wall of the shell. The invention relates to the technical field of engineering drilling; the ultrasonic energy assisted rotary percussion drilling coring device realizes the transmission of force and motion through the composite action of a rotary power source, a longitudinal-torsional composite actuator and a spiral groove amplitude transformer thereof, and has the advantages of low power consumption, high efficiency, reliable ultrasonic wireless energy transmission, stable coring and the like; and because of the handheld structure, the portable and portable electric power generating device is portable and convenient to use and can be suitable for various action occasions.
Description
Technical Field
The invention relates to the technical field of engineering drilling, in particular to a rotary percussion drilling coring device assisted by ultrasonic energy.
Background
The coring drill is a common electric tool, and is a coring tool which uses an alternating current power supply or a direct current battery as power and is used for drilling and coring; impact coring drills are also used for some harder rock, which drill coring through high power and vibration. The electric hand coring drill and the hand-held impact coring drill have small volume, light weight and convenient carrying and are applicable to various workplaces.
The existing electric hand coring drill and the hand-held impact coring drill have limited power, the movement direction of the drill bit of the existing drilling equipment is single, and the generated drilling force direction faces the drilling surface, so that drilling on harder rocks is difficult, and the coring effect is poor.
To this end, the present invention provides an ultrasonic energy assisted rotary percussion drilling coring device to address the above problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an ultrasonic energy assisted rotary percussion drilling coring device, which solves the problems.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the rotary percussion drilling coring device assisted by ultrasonic energy comprises a shell and a power assembly arranged at one end in the shell, wherein a front sleeve and a rear sleeve are further rotationally arranged in the shell, a rotary assembly is arranged between the outer side walls of the front sleeve and the rear sleeve and the shell, the power assembly is used for providing rotary power for the rotary assembly, a longitudinal-torsional composite actuator is fixedly arranged between the front sleeve and the rear sleeve, the longitudinal-torsional composite actuator rotates in the shell through the rotary assembly, a coring bit is arranged at one end of the shell, and the longitudinal-torsional composite actuator extends out of the shell from an opening at the front end of the front sleeve and is in threaded connection with the coring bit;
the longitudinal-torsional composite actuator comprises a rear cover plate, a pre-tightening bolt, piezoelectric ceramics, electrode plates, an amplitude transformer and an insulating sleeve, wherein the rear cover plate, the piezoelectric ceramics, the electrode plates, the amplitude transformer and the insulating sleeve are fixedly connected through the rear cover plate, a plurality of identical piezoelectric ceramics and electrode plates are overlapped in a staggered mode, the piezoelectric ceramics and the electrode plates are bonded through resin, silver electrodes are arranged in the piezoelectric ceramics, the silver electrodes are arranged in a staggered mode through positive electrodes and negative electrodes of the electrode plates, spiral grooves are formed in the small diameter of the amplitude transformer, and the effect that pure longitudinal vibration generated by the longitudinal-torsional composite actuator can be converted into longitudinal and torsional composite vibration is achieved;
the coring bit comprises a spiral bit, a touch block, a broken core, a locking, a pre-tightening spring and an outer wall, wherein the upper end of the outer wall is fixedly connected with an amplitude transformer through threads, the lower end of the outer wall is fixedly connected with the spiral bit through a screw, the touch block penetrates through the broken core to be arranged and limited by the locking, the pre-tightening spring is compressed by the locking in the process of coring during drilling, the upper end of the broken core is provided with a guide, and the lower end of the broken core is in a wedge shape.
Preferably: the power assembly comprises a rotary power source, a motor flange and a shell rear cover, wherein the rotary power source, the motor flange and the shell rear cover are arranged at one end in the shell, the rotary power source is fixed in the shell through the motor flange and the shell rear cover, one side of the rotary power source is connected with an encoder, a coupling is arranged at the joint of the rotary power source and the motor flange, and one end, far away from the motor flange, of the rotary power source is an output shaft.
Preferably: the rotary assembly comprises a front bearing arranged at a front sleeve, a rear bearing arranged at a rear sleeve, and a front bearing and a rear bearing serving as rotary supports of the front sleeve and the rear sleeve in a shell and driven by a rotary power source to rotate, wherein torque is transmitted between the output shaft and the rear sleeve through a coupler.
Preferably: the front bearing is fixed in position by the front sleeve, the front bearing support and the front cover of the shell, the inner side rotating parts of the front sleeve and the front bearing are connected and limited, and the front bearing support and the front cover of the shell fix the outer side of the front bearing.
Preferably: the three support columns are all fixed on the front cover of the shell through threaded connection, and the distances between the three support columns along the circumferential direction of the front cover of the shell are 120 degrees.
Preferably: the outer circumference of the front sleeve is encapsulated with an ultrasonic wireless receiving coil, and the ultrasonic wireless receiving coil is electrically connected with the longitudinal-torsional compound actuator through a wire arranged in a wire through hole in the front sleeve.
Preferably: the shell is internally packaged with an ultrasonic wireless transmitting coil, the ultrasonic wireless transmitting coil and an ultrasonic wireless receiving coil are axially arranged oppositely, and the ultrasonic wireless receiving coil receives ultrasonic energy emitted by the ultrasonic wireless transmitting coil in a wireless mode.
Preferably: the ultrasonic integrated circuit board is fixed at the lower end in the shell, the motor control board is correspondingly arranged at the ultrasonic integrated circuit board, the battery seat is correspondingly embedded at the outer wall of the shell, a battery is arranged in the battery seat, the handle is provided with a control switch, the rear sleeve penetrates through the shell and is connected with the ultrasonic integrated circuit board after being connected in series with the control switch through a lead, and is electrically connected with the battery through the lead, and the control switch is provided with an ultrasonic control button.
Preferably: the rotary power source is a direct current motor and is connected with the motor control board after being connected with the control switch in series through a lead, and is electrically connected with a battery through a lead, the battery is fixedly connected on the shell through a battery holder, and a motor control button is arranged on the control switch.
Preferably: the support column comprises a support sleeve, a support spring, a support rod and a limiting flange, wherein the support spring is arranged in the support sleeve and is in contact with one end of the support rod, the limiting flange limits the same end of the support rod in the support sleeve, the other end of the support rod is in contact with a drilling coring acting surface, and the support rod moves under the limitation of the support spring and the limiting flange.
Advantageous effects
The invention provides an ultrasonic energy assisted rotary percussion drilling coring device. Compared with the prior art, the method has the following beneficial effects:
(1) The ultrasonic energy assisted rotary percussion drilling coring device utilizes the combined action of the longitudinal-torsional composite actuator, the coring bit and the supporting column, and utilizes the longitudinal-torsional composite actuator to enable the coring bit to superimpose longitudinal vibration on the basis of axial feeding motion, so that the coring bit is instantaneous and pulsed dynamic drilling, four spiral grooves are formed in the amplitude transformer to convert the longitudinal vibration into longitudinal and torsional composite vibration, the longitudinal-torsional composite actuator shows rotation and longitudinal extension at the tail end of the amplitude transformer when resonating, the coring bit simultaneously rotates and impacts, the movement of the coring bit comprises axial feeding motion, rotary motion of a rotary power source, longitudinal vibration generated by the longitudinal-torsional composite actuator and longitudinal and torsional mixed vibration generated by the spiral groove amplitude transformer, and the composite motion accelerates the damage to rock, so that the drilling coring efficiency is greatly improved.
(2) The ultrasonic energy assisted rotary percussion drilling coring device provides an effective and rapid penetration mechanism through the reasonable design of the coring bit, and impact and shear forces facilitate the breaking of the drilling medium, as the impact breaks the rock below the bit and rotates the bit to remove powdery rock fragments, and the breaking of the rock is exacerbated by the shear forces, the addition of rotary motion of the rotary power source can effectively improve the chip removal efficiency, improve the reliability of the interruption of the drilling coring process, and realize the stable coring of the drilling coring device.
Drawings
FIG. 1 is a schematic cross-sectional side view of an ultrasonic energy assisted rotary percussion drilling coring apparatus in accordance with the present invention;
FIG. 2 is a schematic diagram of another side cross-sectional structure of an ultrasonic energy assisted rotary percussion drilling coring device in accordance with the present invention;
FIG. 3 is a left and right isometric view of an ultrasonic energy assisted rotary percussion drilling coring apparatus in accordance with the present invention;
FIG. 4 is a schematic illustration of the internal structure of a composite longitudinal-torsional actuator in an ultrasonic energy assisted rotary percussion drilling coring device in accordance with the present invention;
FIG. 5 is a schematic view of the internal structure of a coring bit in an ultrasonic energy assisted rotary percussion drilling coring device in accordance with the present invention;
FIG. 6 is an energy transfer diagram of an ultrasonic energy assisted rotary percussion drilling coring device in accordance with the present invention;
FIG. 7 is a diagram of the movement of a coring bit in an ultrasonic energy assisted rotary percussion drilling coring device in accordance with the present invention;
FIG. 8 is a schematic representation of the action of a core bit breaking in an ultrasonic energy assisted rotary percussion drilling coring device in accordance with the present invention;
fig. 9 is a graph of the interruption of the core of an ultrasonic energy assisted rotary percussion drilling coring device in accordance with the present invention.
In the figure 1, a rotary power source; 2. an encoder; 3. a coupling; 4. a motor flange; 5. a housing; 6. a housing rear cover; 7. a handle;
8. a longitudinal-torsional composite actuator; 801. a back cover plate; 802. pre-tightening a bolt; 803. piezoelectric ceramics; 804. an electrode sheet; 805. a horn; 806. an insulating sleeve;
9. a front sleeve; 10. a rear sleeve; 11. a front bearing; 12. a rear bearing; 13. a front bearing support; 14. an ultrasonic wireless transmitting coil; 15. an ultrasonic wireless receiving coil; 16. a housing front cover;
17. a coring bit; 1701. a helical drill; 1702. touching the block; 1703. breaking the core; 1704. locking; 1705. a pre-tightening spring; 1706. an outer wall;
18. a support column; 1801. a support sleeve; 1802. a support spring; 1803. a support rod; 1804. a limiting flange;
19. an ultrasonic integrated circuit board; 20. a motor control board; 21. a battery; 22. a battery holder; 23. and controlling the switch.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
referring to fig. 1-7, an ultrasonic energy assisted rotary percussion drilling coring device comprises a housing 5, a rotary power source 1, a motor flange 4 and a housing rear cover 6 which are arranged in the housing 5, wherein the rotary power source 1 is fixed in the housing 5 by the motor flange 4 and the housing rear cover 6, one side of the rotary power source 1 is connected with an encoder 2, the joint of the rotary power source 1 and the motor flange 4 is provided with a coupling 3, one end of the rotary power source 1, which is far away from the motor flange 4, is an output shaft, the outer wall of the housing 5 is fixedly provided with a handle 7, a front sleeve 9 and a rear sleeve 10 are respectively arranged in the housing 5 in a rotating manner, torque is transmitted between the output shaft and the rear sleeve 10 through the coupling 3, a front bearing 11 is arranged at the front sleeve 9, a rear bearing 12 is arranged at the rear sleeve 10, the front bearing 11 and the rear bearing 12 are used as rotary supports in the housing 5, a longitudinal-torsional composite actuator 8 is fixedly arranged between the front sleeve 9 and the rear sleeve 10 and driven by the rotary power source 1, one side wall of the housing 5 is fixedly provided with a housing front cover 16, the concentric end of the housing 5 is externally provided with a coaxial end 17, three longitudinal torsional composite actuators 17 are fixedly connected with the front side walls 17 and the front side walls 17 of the housing 17 extend out of the front sleeve 16;
the longitudinal-torsional composite actuator 8 comprises a rear cover plate 801, a pre-tightening bolt 802, piezoelectric ceramics 803, an electrode plate 804, an amplitude transformer 805 and an insulating sleeve 806, wherein the rear cover plate 801, the piezoelectric ceramics 803, the electrode plate 804 and the amplitude transformer 805 are fixedly connected with the insulating sleeve 806 through the rear cover plate 801, a plurality of identical piezoelectric ceramics 803 and the electrode plate 804 are overlapped in a staggered way, the piezoelectric ceramics 803 and the electrode plate 804 are bonded through resin, silver electrodes are arranged inside the piezoelectric ceramics 803, the silver electrodes are arranged in a staggered way through positive and negative electrodes of the electrode plate 804, spiral grooves are formed in the minor diameter of the amplitude transformer 805, the effect that pure longitudinal vibration generated by the longitudinal-torsional composite actuator 8 can be converted into longitudinal and torsional composite vibration is achieved, the lower end of the amplitude transformer 805 is fixedly connected through threads and a coring bit 17, the longitudinal-torsional composite actuator 8 converts electric energy into mechanical energy through the inverse piezoelectric effect of the piezoelectric ceramics 803, mechanical vibration is generated, and the mechanical vibration propagates in the longitudinal-torsional composite actuator 8 in an ultrasonic mode to form a standing wave effect; the bottom end of the coring bit 17 is positioned at the antinode position to generate maximum amplitude and output force, the spiral groove amplitude transformer 805 converts part of longitudinal vibration into torsional vibration, and the handle 7 collides with the rock contact area, so that the effect of breaking the rock is achieved, and the longitudinal-torsional composite actuator 8 is designed based on the principle of piezoelectric ultrasonic vibration and has the advantages of light weight, low power consumption, high efficiency, small drilling pressure and the like;
the coring bit 17 comprises a spiral bit 1701, a touching block 1702, a pre-tightening spring 1703, a locking 1704, a pre-tightening spring 1705 and an outer wall 1706, wherein the upper end of the outer wall 1706 is fixedly connected with a luffing rod 805 through threads, the lower end of the outer wall 1706 is fixedly connected with the spiral bit 1701 through a screw, the touching block 1702 passes through the pre-tightening block 1703 and is limited by the locking 1704 to interact with the locking 1704 in the process of coring, the pre-tightening spring 1705 is compressed by the locking 1704, the upper end of the pre-tightening spring 1703 is provided with a guide, the lower end is wedge-shaped, the movement of the coring bit 17 comprises axial feeding movement, rotary movement of a rotary power source 1, longitudinal vibration generated by a longitudinal-torsional composite actuator 8 and longitudinal and torsional composite vibration generated by a spiral groove luffing rod 805, and the longitudinal-torsional composite actuator 8 is utilized to enable the coring bit 17 to superimpose one longitudinal vibration on the basis of the axial feeding movement, and the moment and impulse dynamic state; the horn 805 is provided with four helical grooves to convert the longitudinal vibration into a composite longitudinal and torsional vibration, the composite longitudinal-torsional actuator 8 exhibits rotation and longitudinal extension at the tail end of the horn 805 at resonance, allowing the coring bit 17 to simultaneously rotate and impact, providing an effective and rapid penetration mechanism, while the impact and shear forces facilitate the breaking of the drilling medium, as the impact breaks the rock below the bit and rotates the bit to remove the powdery cuttings, while the breaking of the rock is exacerbated by the shear forces, the addition of the rotary motion of the rotary power source 1 may effectively improve the efficiency of chip removal.
Embodiment two:
referring to fig. 1-7, the present embodiment provides a technical solution based on the first embodiment: the front bearing 11 is fixed by a front sleeve 9, a front bearing support 13 and a shell front cover 16, the front sleeve 9 is connected with the inner side rotating part of the front bearing 11 and is limited, and the front bearing support 13 and the shell front cover 16 fix the outer side of the front bearing 11;
the three support columns 18 are all fixed on the front cover 16 of the shell through threaded connection, and the distances between the three support columns 18 along the circumferential direction of the front cover 16 of the shell are 120 degrees;
the outer circumference of the front sleeve 9 is encapsulated with an ultrasonic wireless receiving coil 15, and the ultrasonic wireless receiving coil 15 is electrically connected with the longitudinal-torsional compound actuator 8 through a wire arranged in a wire through hole in the front sleeve 9, so that the device can transmit energy in an ultrasonic wireless mode, and is stable and reliable;
an ultrasonic wireless transmitting coil 14 is encapsulated in the shell 5, the ultrasonic wireless transmitting coil 14 and an ultrasonic wireless receiving coil 15 are axially arranged oppositely, and the ultrasonic wireless receiving coil 15 receives ultrasonic energy emitted by the ultrasonic wireless transmitting coil 14 in a wireless mode;
an ultrasonic integrated circuit board 19 is fixed at the inner lower end of the shell 5, a motor control board 20 is correspondingly arranged at the ultrasonic integrated circuit board 19, a battery seat 22 is correspondingly embedded at the outer wall of the shell 5, a battery 21 is arranged in the battery seat 22, a control switch 23 is arranged at the handle 7, the rear sleeve 10 passes through the shell 5 through a wire, is connected with the ultrasonic integrated circuit board 19 after being connected with the control switch 23 in series, is electrically connected with the battery 21 through the wire, and an ultrasonic control button is arranged on the control switch 23;
the rotary power source 1 is a direct current motor, the rotary power source 1 is connected with the motor control board 20 after being connected with the control switch 23 in series through a lead, and is electrically connected with the battery 21 through a lead, the battery 21 is fixedly connected to the shell 5 through the battery seat 22, and a motor control button is arranged on the control switch 23;
the support column 18 comprises a support sleeve 1801, a support spring 1802, a support rod 1803 and a limit flange 1804, wherein the support spring 1802 is arranged in the support sleeve 1801 and is contacted with one end of the support rod 1803, the limit flange 1804 limits the same end of the support rod 1803 in the support sleeve 1801, the other end of the support rod 1803 is contacted with a drilling coring surface, and the support rod 1803 moves under the limitation of the support spring 1802 and the limit flange 1804;
referring to fig. 8, (1) (2) (3) is a sequence of actions of the break 1703 of the coring bit 17, where (1) indicates that as the coring bit 17 drills, the touch 1702 first contacts the core, and then as the coring bit drills, the touch 1702 is blocked by the core and remains stationary; wherein (2) indicates that the lock 1704 is deactivated by the touch 1702 (movement of the touch 1702 upward will cause the lock 1704 to move upward) and allow the compression spring 1705 to resume its original length; wherein (3) represents that the broken core 1703 moves towards the core under the action of the compression spring 1705, the process of drilling and coring is completed, and an arrow in the figure represents the moving direction of the corresponding structure;
see fig. 9,F Breaking of the wire To exert downward force on the heart 1703, T A And F fA Is the component force of impact force between the wedge surface of the fracture 1703 and the core in the vertical and horizontal directions, namely T in the figure A And F fA Is the component of force a in the vertical and horizontal directions: the direction of acting force is changed through the wedge of the breaking core 1703, a breaking core effect is generated on the rock, the rock core is impacted by the wedge surface, the upper end part is firstly broken, and after the breaking core continues to act for a period of time, the root part of the rock core is broken.
And all that is not described in detail in this specification is well known to those skilled in the art.
In the process of drilling coring, a control switch 23 is turned on, so that a drilling coring device moves axially towards rock, after the drilling coring device contacts the rock, drilling is started under the action of a rotary power source 1 and a longitudinal-torsional compound actuator 8, the movement of a coring bit 17 comprises axial feeding movement, rotary movement of the rotary power source 1, longitudinal vibration generated by the longitudinal-torsional compound actuator 8 and longitudinal and torsional compound vibration generated by a spiral groove amplitude transformer 805, and the longitudinal-torsional compound actuator 8 is utilized to enable the coring bit 17 to superimpose one longitudinal vibration on the basis of the axial feeding movement, so that instantaneous and pulsed dynamic drilling is realized; the amplitude transformer 805 is provided with four spiral grooves to convert the longitudinal vibration into longitudinal and torsional composite vibration, the longitudinal-torsional composite actuator 8 shows rotation and longitudinal extension at the tail end of the amplitude transformer 805 when resonating, so that the coring bit 17 rotates and impacts simultaneously, an effective and rapid penetration mechanism is provided, and meanwhile, impact and shearing force are beneficial to the rupture of drilling medium, as the impact breaks the rock below the bit and rotates the bit to remove powdery rock fragments, and meanwhile, the breaking of the rock is aggravated by the shearing force, and the chip removal efficiency can be effectively improved by adding the rotary motion of the rotary power source 1;
as the drilling is extended, the touching block 1702 on the coring bit 17 is firstly contacted with the rock core, as the device continues to drill, the touching block 1702 is kept still after being blocked by the rock core, after the drilling depth reaches a certain depth, the locking 1704 loses the effect of compressing the pre-tightening spring 1705 under the action of the touching block 1702, the pre-tightening spring 1705 is restored to the original length, the breaking core 1703 receives the acting force of the pre-tightening spring 1705, the rock core is disconnected by utilizing the wedge shape of the pre-tightening spring, namely, the process of drilling and coring is completed, then the control switch 23 is closed, the device is put forward, the rock core can be taken out, in the process, the pre-tightening spring 1705 applies positive pressure through the top end of the breaking core 1703, the acting force direction is changed through the wedge of the pre-tightening spring, the rock core is broken, the upper end of the rock core is impacted by the wedge surface, and the root of the rock core breaks after the continuous acting for a period of time;
in the process of drilling coring, the three support rods 1803 are triangular, so that the stability and the coring accuracy of the drilling coring device can be kept, and the support springs 1802 and the limiting flanges 1804 enable the support rods 1803 to function under an uneven acting surface.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An ultrasonic energy assisted rotary percussion drilling coring device, characterized in that: the rotary type drilling machine comprises a shell (5) and a power assembly arranged at one end in the shell (5), wherein a front sleeve (9) and a rear sleeve (10) are further rotationally arranged in the shell (5), a rotary assembly is arranged between the outer side walls of the front sleeve (9) and the rear sleeve (10) and the shell (5), the power assembly is used for providing rotary power for the rotary assembly, a longitudinal-torsional composite actuator (8) is fixedly arranged between the front sleeve (9) and the rear sleeve (10), the longitudinal-torsional composite actuator (8) rotates in the shell (5) through the rotary assembly, a coring bit (17) is arranged outside one end of the shell (5), and the longitudinal-torsional composite actuator (8) extends out of the shell (5) from the front end opening of the front sleeve (9) and is in threaded connection with the coring bit (17);
the longitudinal-torsional composite actuator (8) comprises a rear cover plate (801), a pre-tightening bolt (802), piezoelectric ceramics (803), electrode plates (804), an amplitude transformer (805) and an insulating sleeve (806), wherein the rear cover plate (801), the piezoelectric ceramics (803), the electrode plates (804), the amplitude transformer (805) and the insulating sleeve (806) are fixedly connected through the rear cover plate (801), a plurality of identical piezoelectric ceramics (803) and the electrode plates (804) are overlapped in a staggered mode, the piezoelectric ceramics (803) and the electrode plates (804) are bonded through resin, silver electrodes are arranged in the piezoelectric ceramics (803), positive and negative electrodes of the silver electrodes are arranged in a staggered mode through the electrode plates (804), spiral grooves are formed in the small diameter of the amplitude transformer (805), the effect that pure longitudinal vibration generated by the longitudinal-torsional composite actuator (8) can be converted into longitudinal and torsional composite vibration is achieved, and the lower end of the amplitude transformer (805) is fixedly connected with a coring bit (17) through threads;
the coring bit (17) comprises a spiral bit (1701), a touching block (1702), a breaking core (1703), a locking (1704), a pre-tightening spring (1705) and an outer wall (1706), wherein the upper end of the outer wall (1706) is fixedly connected with a luffing rod (805) through threads, the lower end of the outer wall (1706) is fixedly connected with the spiral bit (1701) through a screw, the touching block (1702) penetrates through the breaking core (1703) to be arranged and limited by the locking (1704), the pre-tightening spring (1705) is interacted with the locking (1704) in the coring process of drilling, the upper end of the breaking core (1703) is provided with a guide, and the lower end of the breaking core is wedge-shaped.
2. An ultrasonic energy assisted rotary percussion drilling coring apparatus according to claim 1, wherein: the power assembly comprises a rotary power source (1), a motor flange (4) and a shell rear cover (6) which are arranged at one end in a shell (5), wherein the rotary power source (1) is fixed in the shell (5) through the motor flange (4) and the shell rear cover (6), one side of the rotary power source (1) is connected with an encoder (2), a coupling (3) is arranged at the joint of the rotary power source (1) and the motor flange (4), and one end, far away from the motor flange (4), of the rotary power source (1) is an output shaft.
3. An ultrasonic energy assisted rotary percussion drilling coring apparatus according to claim 2, wherein: the rotary assembly comprises a front bearing (11) arranged at a front sleeve (9), a rear bearing (12) arranged at a rear sleeve (10), and the front bearing (11) and the rear bearing (12) are used as rotary supports of the front sleeve (9) and the rear sleeve (10) in a shell (5) and rotate under the driving of a rotary power source (1), and torque is transmitted between an output shaft and the rear sleeve (10) through a coupler (3).
4. An ultrasonic energy assisted rotary percussion drilling coring apparatus according to claim 1, wherein: a shell front cover (16) is fixed at one side wall of the shell (5), three supporting columns (18) are further fixedly arranged at the side wall of the shell front cover (16), the front bearing (11) is fixed in position by a front sleeve (9), a front bearing support (13) and the shell front cover (16), the inner side rotating parts of the front sleeve (9) and the front bearing (11) are connected and limited, and the front bearing support (13) and the shell front cover (16) fix the outer side of the front bearing (11).
5. An ultrasonic energy assisted rotary percussion drilling coring apparatus according to claim 4, wherein: the three support columns (18) are all fixed on the shell front cover (16) through threaded connection, and the distances between the three support columns (18) along the circumferential direction of the shell front cover (16) are 120 degrees.
6. An ultrasonic energy assisted rotary percussion drilling coring apparatus according to claim 1, wherein: an ultrasonic wireless receiving coil (15) is packaged on the outer circumference of the front sleeve (9), and the ultrasonic wireless receiving coil (15) is electrically connected with the longitudinal-torsional composite actuator (8) through a wire arranged in a wire passing hole in the front sleeve (9).
7. An ultrasonic energy assisted rotary percussion drilling coring apparatus according to claim 1, wherein: the ultrasonic wireless transmitting coil (14) is encapsulated in the shell (5), the ultrasonic wireless transmitting coil (14) and the ultrasonic wireless receiving coil (15) are axially oppositely arranged, and the ultrasonic wireless receiving coil (15) receives ultrasonic energy emitted by the ultrasonic wireless transmitting coil (14) in a wireless mode.
8. An ultrasonic energy assisted rotary percussion drilling coring apparatus according to claim 1, wherein: the ultrasonic integrated circuit board (19) is fixed to the lower end in the casing (5), ultrasonic integrated circuit board (19) department corresponds and is equipped with motor control board (20), the outer wall department of casing (5) corresponds to inlay and is equipped with battery holder (22), be equipped with battery (21) in battery holder (22), handle (7) department is equipped with control switch (23), back sleeve (10) pass casing (5) and control switch (23) and establish ties the back and be connected with ultrasonic integrated circuit board (19) through the wire to be connected with battery (21) electricity through the wire, be provided with ultrasonic control button on control switch (23).
9. An ultrasonic energy assisted rotary percussion drilling coring apparatus according to claim 1, wherein: the rotary power source (1) is connected with the motor control board (20) through a lead after being connected with the control switch (23) in series, and is electrically connected with the battery (21) through a lead, the battery (21) is fixedly connected on the shell (5) through a battery seat (22), and a motor control button is arranged on the control switch (23).
10. An ultrasonic energy assisted rotary percussion drilling coring apparatus according to claim 1, wherein: support column (18) are including support sleeve (1801), support spring (1802), bracing piece (1803) and spacing flange (1804), support spring (1802) in support sleeve (1801) and with the one end contact of bracing piece (1803), spacing flange (1804) restrict the same end of bracing piece (1803) in support sleeve (1801), the other end and the drilling of bracing piece (1803) are cored the action face contact, bracing piece (1803) are moved under the restriction of support spring (1802) and spacing flange (1804).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311478543.XA CN117404036A (en) | 2023-11-08 | 2023-11-08 | Ultrasonic energy assisted rotary percussion drilling coring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311478543.XA CN117404036A (en) | 2023-11-08 | 2023-11-08 | Ultrasonic energy assisted rotary percussion drilling coring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117404036A true CN117404036A (en) | 2024-01-16 |
Family
ID=89492425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311478543.XA Pending CN117404036A (en) | 2023-11-08 | 2023-11-08 | Ultrasonic energy assisted rotary percussion drilling coring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117404036A (en) |
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2023
- 2023-11-08 CN CN202311478543.XA patent/CN117404036A/en active Pending
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