CN103174380A - Spring energy-storage inspiring type rotary percussive drill device - Google Patents
Spring energy-storage inspiring type rotary percussive drill device Download PDFInfo
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- CN103174380A CN103174380A CN2013100932707A CN201310093270A CN103174380A CN 103174380 A CN103174380 A CN 103174380A CN 2013100932707 A CN2013100932707 A CN 2013100932707A CN 201310093270 A CN201310093270 A CN 201310093270A CN 103174380 A CN103174380 A CN 103174380A
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Abstract
The invention relates to a spring energy-storage inspiring type rotary percussive drill device, in particular to the spring energy-storage inspiring type rotary percussive drill device which produces quick continuous impact due to the fact that a down-hole motor, a rotating shaft and an impact vibration kit match with each other. The spring energy-storage inspiring type rotary percussive drill device comprises the down-hole motor and a drill pipe which is connected with the down-hole motor, wherein a drill is arranged at the lower end of the drill pipe. The spring energy-storage inspiring type rotary percussive drill device is characterized in that an impact mechanism is arranged inside the drill pipe, and the impact mechanism comprises the down-hole motor, the rotating shaft which is arranged at the lower end of the down-hole motor and the impact vibration kit which is arranged at the lower portion of the rotating shaft in a sleeved mode. Due to the design of the impact mechanism, and the down-hole motor, the rotating shaft and the impact vibration kit match with each other, the quick continuous impact is produced, bit pressure high-frequently vibrates by a large margin in the drilling process, the drilling process is quickened and drilling efficiency is improved with the cooperation of torque-on-bit.
Description
Technical field
The present invention relates to a kind of spring energy-storage excitation formula rotary percussion drilling device, relate in particular to and a kind ofly cooperatively interact and produce the spring energy-storage excitation formula rotary percussion drilling device of quick bump by down-hole motor, axis of rotation and the punching external member of shaking.
Background technology
Constantly to Earth stratum development, the hardpan that runs in reality exploration and drilling process increases gradually along with the exploration of petroleum and natural gas and drilling, and the rock on this stratum is along with the increase of hardness, and drillability is relatively poor.Improve bit speed in the urgent need to a kind of New well drilling tool and method.Practice shows, ing technique utilizes rock to be easy to broken characteristics under impact loading, can increase substantially efficiency of breaking rock and drilling speed.This technology has begun to be applied to improve drilling speed in the work progress of the bad grounds such as oil/gas drilling, geothermal drilling, mining engineering.At present the core tool percussion rotating device of this technology mainly is divided into two kinds: a kind ofly be, utilize the flow direction of fluidic periodically-varied drilling fluid, drive block stamp and move up and down, produce the hydraulic jet type impactor of shock loading; Another kind is utilize waterpower pulse to produce vibration, thereby the waterpower pulse that produces shock loading to bring out the underground vibrating drilling mode.These two kinds of percussion rotating devices also exist the problems such as mechanism easily breaks down, fall short of application life, the shock loading amplitude is less at present.
For this reason, invented a kind of spring energy-storing excitation formula rotary percussion drilling device that utilizes spring energy-storage to excite.
Summary of the invention
The purpose of this invention is to provide a kind of spring energy-storage excitation formula rotary percussion drilling device, this device cooperatively interacts and produces quick bump by down-hole motor, axis of rotation and the punching external member of shaking, to realize improving the purpose of drilling efficiency.
The objective of the invention is to be achieved through the following technical solutions: a kind of spring energy-storage excitation formula rotary percussion drilling device, comprise down-hole motor and the drilling pipe that is connected with this down-hole motor, be provided with drill bit in this drilling pipe lower end, be provided with beater mechanism in described drilling pipe, this beater mechanism comprises down-hole motor, be arranged on the axis of rotation of this down-hole motor lower end and be set in the external member of shaking of rushing of this axis of rotation bottom.
Described punching is shaken, and external member is provided with energy-storaging spring from top to bottom successively, jump bit overlaps and the anvil cover; Be provided with positive stop lug boss in described energy-storaging spring upper end, this positive stop lug boss outer wall is connected with described drilling pipe, this positive stop lug boss inwall and the corresponding setting of described axis of rotation outer wall.
Described energy-storaging spring upper end is connected with described positive stop lug boss by thrust bearing; This energy-storaging spring lower end is connected with described jump bit cover.
Described jump bit cover is set on described axis of rotation, and is slidably connected with described axis of rotation; Described anvil cover is fixed with described drilling pipe; Described jump bit cover bottom is provided with the ring tooth head, and described anvil overlaps the top and is provided with the lower ring tooth head corresponding with described upper ring tooth head.
Described upper ring tooth head comprises a plurality of lower convex edges that arrange along the end to end order of jump bit cover circumferencial direction, and described lower ring tooth head comprises a plurality of upper convex edges that arrange along the end to end order of anvil cover circumferencial direction; Described lower convex edge and the wrong corresponding setting of upper convex edge submission.
Described anvil cover comprises hammering section and is arranged on the installation portion of this hammering subordinate end, and described axis of rotation bottom is inserted in described hammering section, and the described hammering cylindrical setting of section's outer wall also adapts with described drilling pipe inwall.
Described drilling pipe bottom is provided with crossover sub, and this crossover sub upper end is connected by screw thread and described anvil cover bottom, and this crossover sub bottom is connected with described drill bit by screw thread.
Be arranged with in described anvil cover bottom and lift pipe nipple, this lifts the pipe nipple upper end and is connected with described drill bushing bottom, and this lifts pipe nipple lower end and described crossover sub upper end end contact.
Be arranged with Limit Bearing on described axis of rotation top, described axis of rotation is connected with described drilling pipe by this Limit Bearing.
Be provided with adapter sleeve in described drilling pipe upper end, this adapter sleeve lower end is threaded with described drilling pipe, and this adapter sleeve upper end is provided with the joint that is threaded for described rotary drilling motor.
The present invention compared with prior art has advantages of following:
1, the present invention adopts the design of beater mechanism, cooperatively interacts by down-hole motor, axis of rotation and the punching external member of shaking, and produces continuous impact fast, drilling pipe is vibrated underground rock stratum in drilling process and make rock fragmentation, thereby the quickening drilling process reduces to creep into resistance, improves drilling efficiency; Spring energy-storage excitation formula rotary percussion drilling device of the present invention adopts the design of full mechanical, makes each parts installation of device more reasonable, compact, has effectively guaranteed the application life of device, and has saved manufacturing cost.
2, the present invention adopts the design of energy-storaging spring, when described jump bit cover begins to rotate with axis of rotation, the described face that has a down dip slides along the updip face corresponding with it, under the mating reaction of the face of having a down dip and updip face, described jump bit cover is constantly upwards raised, until peak (when the angle between the face of having a down dip and lower facade is corresponding with the angle between updip face and upper facade), this moment, energy-storaging spring was by fully compression and accumulation of energy; Along with described axis of rotation is rotated further, described energy-storaging spring releases energy downwards and produces shock loading; Under the excitation of energy-storaging spring, the lower facade of described jump bit cover vertically falls and makes along the upper facade of anvil cover and describedly has a down dip the face hammering on the updip face of anvil cover, and the crossover sub that the shock loading that hammering produces overlap the lower end by anvil is passed to drill bit and realizes that vibration breaks the purpose of rock; That is to say that energy-storaging spring can compress the potential energy that the jump bit cover produces because of rotation saves up strength, and converts kinetic energy to and discharge, and discharges the impact loading that produces and in drill bit, rock is rushed and shake, and improves rock breaking capacity.
3, the present invention adopts the design of impact anvil external member, described jump bit is enclosed within the energy-storaging spring effect every whereabouts once, just the anvil cover is implemented a hammering, the anvil cover conducts to drill bit with the shock loading that hammering produces by crossover sub, thereby realizes the purpose of the rotary percussion drilling of fully mechanical with this; Namely constantly apply impact to drill bit by described beater mechanism in the process of drilling pipe rotary drilling, the purpose that fluctuates widely to reach the pressure of the drill makes rock be easy to fragmentation under the effect of impact force, thereby greatly improves rate of penetration.
4, the present invention adopts the design of stable cover and lower stable cover, described Limit Bearing can be limited in drilling pipe, is shifted because vibration produces up and down in impact process further to prevent axis of rotation, makes the rotation of axis of rotation more stable.
5, the present invention adopts hammering face that the design of hammering section can guarantee described jump bit cover bottom and the anvil face on described anvil cover top to adapt, and is that both agreeing with is more complete, with this hammer effect that improves the jump bit cover, has guaranteed the conduction of impact force stable and uniform.
6, the present invention still adopts and applies the tradition that the pressure of the drill adds moment of torsion creep into mode on drill bit, amplitude and the frequency of Fluctuation of weight on bit have just been increased, requirement and conventional drilling and the indistinction of this device to geological conditions, constructing operation condition, the all-round popularization that is conducive to technology is used.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is structural representation of the present invention (main sectional view);
Fig. 2 is structural representation of the present invention (sectional view of A-A in Fig. 1);
Fig. 3 is structural representation of the present invention (sectional view of B-B in Fig. 1);
Fig. 4 is structural representation of the present invention (sectional view of C-C in Fig. 1);
Fig. 5 is the structural representation (stereogram) of jump bit cover in the present invention;
Fig. 6 is the structural representation (stereogram) of anvil cover in the present invention;
Fig. 7 is that in the present invention, jump bit overlaps the assembling schematic diagram (stereogram) that overlaps with anvil.
The specific embodiment
referring to Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, spring energy-storage excitation formula rotary percussion drilling device of the present invention, comprise that down-hole motor (belongs to prior art, demonstration in figure) with the drilling pipe 1 that is connected with this down-hole motor, be provided with drill bit 2 in this drilling pipe lower end, drilling pipe described in the present embodiment is vertically set on described down-hole motor lower end, and be connected with this rotary drilling motor by screw thread, described drill bit is by screw thread and described drilling pipe and removably connects, be provided with beater mechanism in described drilling pipe, this beater mechanism and described drilling pipe integral body are the concentric setting, this beater mechanism comprises down-hole motor 3, be arranged on the axis of rotation 4 of this down-hole motor lower end and be set in the external member of shaking of rushing of this axis of rotation bottom.Down-hole motor described in the present embodiment is connected with described axis of rotation by universal drive shaft, and described axis of rotation is the hollow setting.The present invention adopts the design of beater mechanism, cooperatively interact by down-hole motor, axis of rotation and the punching external member of shaking, produce continuous impact fast, drilling pipe is vibrated underground rock stratum in drilling process, and make rock fragmentation under torque-on-bit auxiliary, thereby the quickening drilling process reduces to creep into resistance, improves drilling efficiency; Spring energy-storage excitation formula rotary percussion drilling device of the present invention adopts the design of full mechanical, makes each parts installation of device more reasonable, compact, has effectively guaranteed the application life of device, and has saved manufacturing cost.
Rush the external member of shaking described in the present embodiment and be provided with successively energy-storaging spring 5, jump bit cover 6 and anvil cover 7 from top to bottom; Be provided with positive stop lug boss 8 in described energy-storaging spring upper end, this positive stop lug boss outer wall is connected with described drilling pipe, this positive stop lug boss inwall and the corresponding setting of described axis of rotation outer wall.Positive stop lug boss described in the present embodiment adopts the design of two male joints, described drilling pipe is the design of corresponding employing segmented connection also, that is to say that described drilling pipe is assembled by upper pipeline section and lower tube section, described positive stop lug boss upper end outer wall is connected with the first pipeline section 9 lower end inwalls by screw thread, and described positive stop lug boss lower end outer wall is connected with the second pipeline section 10 upper end inwalls by screw thread; Adopting such design is for the ease of the installation and removal of drilling pipe and the installation and removal of being convenient to the beater mechanism in drilling pipe; Described positive stop lug boss also can adopt two female joints design of (belong in prior art, figure and not showing).The cylindrical setting of described positive stop lug boss inwall, the setting corresponding to the cylindrical outer wall of described axis of rotation of this positive stop lug boss, leave between the two can for the axis of rotation rotation the gap; For guaranteeing tightness whole in drilling pipe, the present embodiment arranges a plurality of seals between described positive stop lug boss and axis of rotation.
The upper end of energy-storaging spring described in the present embodiment is rotationally connected by thrust bearing 11 and described positive stop lug boss lower end; This energy-storaging spring lower end is connected with described jump bit set upper side.The pressed on ring of thrust bearing described in the present embodiment and described positive stop lug boss lower end are fixed, and the lower ring of described thrust bearing and described energy-storaging spring upper end are fixed, and the cylindrical outer wall of the inwall of the lower ring of this thrust bearing and described axis of rotation is fixed.Energy-storaging spring described in the present embodiment can adopt spring, dish spring etc., and the energy-storaging spring in the present embodiment adopts the disk spring setting.
The cover of jump bit described in the present embodiment is set on described axis of rotation, and is slidably connected with described axis of rotation; Described anvil cover outer wall and described drilling pipe inwall are along circumferentially fixing; Described jump bit cover bottom is provided with the ring tooth head, and described anvil overlaps the top and is provided with the lower ring tooth head corresponding with described upper ring tooth head.The cylindrical setting of anvil described in the present embodiment cover inwall, the setting corresponding to the cylindrical outer wall of described axis of rotation of this anvil cover, leave between the two can for the axis of rotation rotation the gap; For guaranteeing tightness whole in drilling pipe, the present embodiment arranges seal between described anvil cover and axis of rotation.The cover of anvil described in the present embodiment is the hollow setting, and respectively with described axis of rotation and the corresponding conducting of drill bit; Form complete drilling fluid passage 12 with this, realized the transfer of drilling fluid waterpower energy in drilling process, be translated into the pressure of the drill, improve efficiency of breaking rock and improved drilling speed.
Referring to Fig. 5, Fig. 6, shown in Figure 7, upper ring tooth head described in the present embodiment comprises a plurality of lower convex edges 13 that arrange along the end to end order of jump bit cover circumferencial direction, and described lower ring tooth head comprises a plurality of upper convex edges 14 that arrange along the end to end order of anvil cover circumferencial direction; Described lower convex edge and the wrong corresponding setting of upper convex edge submission.Lower convex edge described in the present embodiment comprises the face that has a down dip 15 horizontal by the downward-sloping setting of angle, is provided with horizontal by vertically disposed lower facade 16 at the beveled end of this face that has a down dip; Described upper convex edge comprises the updip face 17 that is inclined upwardly and arranges horizontal by angle, is provided with facade 18 on vertically disposed at the beveled end of this updip face; When described jump bit cover begins to rotate with axis of rotation, the described face that has a down dip slides along the updip face corresponding with it, under the mating reaction of the face of having a down dip and updip face, described jump bit cover is constantly upwards raised, until peak (when the angle between the face of having a down dip and lower facade is corresponding with the angle between updip face and upper facade), this moment, energy-storaging spring was by fully compression and accumulation of energy; Along with described axis of rotation is rotated further, described energy-storaging spring releases energy downwards and produces shock loading; Under the excitation of energy-storaging spring, the lower facade of described jump bit cover vertically falls and makes along the upper facade of anvil cover and describedly has a down dip the face hammering on the updip face of anvil cover, and the crossover sub that the shock loading that hammering produces overlap the lower end by anvil is passed to drill bit and realizes that vibration breaks the purpose of rock; Along with axis of rotation is rotated further, the described face that has a down dip slides along the updip face again; Along with axis of rotation continues to rotate, described jump bit cover constantly repeats said process with described anvil cover, the every whereabouts of described jump bit cover once, just the anvil cover is implemented a hammering, the anvil cover conducts to drill bit with the load that hammering produces by crossover sub, thereby realizes that with this energy-storaging spring continues the purpose that accumulation of energy excites percussion drilling; Namely constantly apply impact to drill bit by described beater mechanism in the process of drilling pipe rotary drilling, to reach, underground rock stratum is continued the purpose that punching is shaken, make rock be easy to fragmentation under the effect of impact force, thereby greatly improve rate of penetration.Therefore the function of utilizing the energy-storaging spring accumulation of energy in the present invention and releasing energy is completed the process of impact so that jump bit cover and anvil cover cooperatively interact, and is the key point that the present invention contributes with respect to prior art.
Spring energy-storage excitation formula rotary percussion drilling device described in the present embodiment is in the drilling construction process, and described drilling pipe direction of rotation and described axis of rotation direction of rotation are consistent; And control the speed of axis of rotation rotation much larger than the rotating speed of drilling pipe; The frequency of impact that described beater mechanism produces is controlled by down-hole motor and rotary speed; Frequency of impact is the product of rotary shaft rotating speed and rotary speed difference and upper convex edge or lower convex edge quantity.
Referring to Fig. 1, shown in Figure 2, the interior side of the cover of jump bit described in the present embodiment installs with the foreign side of described axis of rotation is corresponding; The interior side of described jump bit cover and the foreign side of described axis of rotation all adopt the regular hexagon setting, also can freely choose according to the practice of construction needs; The cover of jump bit described in the present embodiment can also be connected with described axis of rotation by spline.The present invention adopts above-mentioned two kinds of types of attachment, can guarantee further that the jump bit cover with its synchronous rotation, makes the whole transmission better effects if of device when axis of rotation rotates.
Referring to Fig. 1, shown in Figure 3, the cover of anvil described in the present embodiment comprises hammering section 19 and is arranged on the installation portion 20 of this hammering subordinate end, described axis of rotation bottom is inserted in described hammering section, and can rotate freely along hammering section inner chamber circumferencial direction, the described hammering cylindrical setting of section's outer wall also adapts with described drilling pipe inwall.Adopting hammering face that this kind design can guarantee described jump bit cover bottom and the anvil face on described anvil cover top to adapt, is that both agreeing with is more complete, with this hammer effect that improves the jump bit cover, has guaranteed the conduction of impact force stable and uniform.
Referring to Fig. 1, shown in Figure 4, the foreign side of installation portion described in the present embodiment and the corresponding setting of the interior side of described drill bushing; The interior Fang Jun of the foreign side of described installation portion and described drill bushing adopts the regular hexagon setting, also can freely choose according to the practice of construction needs.The present invention adopts this kind type of attachment, can further guarantee when drilling pipe rotates, and the anvil cover makes the whole transmission better effects if of device with its synchronous rotation, guarantees drilling efficiency with this.
The bottom of drilling pipe described in the present embodiment is provided with crossover sub 21, and this crossover sub upper end is connected by screw thread and described anvil cover bottom, and this crossover sub bottom is connected with described drill bit by screw thread.Crossover sub described in the present embodiment adopts the design of two female joints, and adopting such design is for the ease of punching the shake installation and removal of external member and the installation and removal of being convenient to drill bit; Also but the installation between each parts of assurance device is more firm stable simultaneously; Described crossover sub also can adopt two male joints design of (belong in prior art, figure and not showing).Crossover sub described in the present embodiment is the hollow setting, and overlaps corresponding conducting with described anvil.
Glide for preventing that anvil is enclosed within to produce in the hammering process in the present embodiment, and be convenient to by drilling pipe, beater mechanism be taken out of in the lump during with the device Integral lifting at needs, be arranged with bottom described anvil cover and lift pipe nipple 22, this lifts the pipe nipple upper end and is connected with described drill bushing bottom, and this lifts pipe nipple lower end and described crossover sub end contact.Be provided with described lifting the backstop platform 23 that glides for backstop anvil cover in pipe nipple in the present embodiment, described anvil cover bottom outer wall is provided with the pedestal corresponding with this backstop platform 24; Simultaneously, for the consideration to device processing aspect, the interior side who adopts the design that lifts pipe nipple can also conveniently process drilling pipe.For preventing that further the anvil cover from gliding, also be provided with the backstop platform in the present embodiment on described drilling pipe bottom interior wall, also be provided with the pedestal corresponding with this backstop platform on described anvil cover bottom outer wall, and this pedestal is arranged on described hammering section bottom outer edge.
Be arranged with Limit Bearing 25 on described axis of rotation top in the present embodiment, described axis of rotation is rotationally connected by this Limit Bearing and described drilling pipe.The interior ring of Limit Bearing described in the present embodiment and described axis of rotation outer wall are fixed, and the inwall on the outer shroud of this Limit Bearing and described drilling pipe top is fixed; The present invention adopts the design of Limit Bearing, can prevent that axis of rotation is shifted because vibration produces up and down in impact process, makes the rotation of axis of rotation more stable.
Be provided with stable cover 26 in the present embodiment in described Limit Bearing upper end, be provided with lower stable cover 27 in this Limit Bearing lower end.Described in the present embodiment, the upper end of upper stable cover is corresponding with 28 bottoms of presenting a theatrical performance as the last item on a programme disposed thereon, and the outer shroud upper end of lower end and described Limit Bearing is corresponding; The lower end of described lower stable cover is corresponding with described positive stop lug boss upper end, and the outer shroud lower end of upper end and described Limit Bearing is corresponding; Presenting a theatrical performance as the last item on a programme described in the present embodiment is arranged in described drilling pipe, this present a theatrical performance as the last item on a programme inwall and the corresponding setting of described axis of rotation upper end outer wall; The present invention adopts the design of stable cover and lower stable cover, described Limit Bearing can be limited in drilling pipe, is shifted because vibration produces up and down in impact process further to prevent axis of rotation, makes the rotation of axis of rotation more stable.
Be connected with described down-hole motor for ease of drilling pipe in the present embodiment, and facilitate axis of rotation and down-hole motor to install, be provided with adapter sleeve 29 in described drilling pipe upper end, this adapter sleeve lower end is threaded with described drilling pipe, and this adapter sleeve upper end is provided with the joint 30 that is threaded for described rotary drilling motor; Described down-hole motor is arranged in described adapter sleeve.
Claims (10)
1. spring energy-storage excitation formula rotary percussion drilling device, comprise down-hole motor and the drilling pipe that is connected with this down-hole motor, be provided with drill bit in this drilling pipe lower end, it is characterized in that: be provided with beater mechanism in described drilling pipe, this beater mechanism comprises down-hole motor, be arranged on the axis of rotation of this down-hole motor lower end and be set in the external member of shaking of rushing of this axis of rotation bottom.
2. spring energy-storage excitation formula rotary percussion drilling device as claimed in claim 1 is characterized in that: the described punching external member of shaking is provided with energy-storaging spring, jump bit cover and anvil cover from top to bottom successively; Be provided with positive stop lug boss in described energy-storaging spring upper end, this positive stop lug boss outer wall is connected with described drilling pipe, this positive stop lug boss inwall and the corresponding setting of described axis of rotation outer wall.
3. spring energy-storage excitation formula rotary percussion drilling device as claimed in claim 2 is characterized in that: described energy-storaging spring upper end is connected with described positive stop lug boss by thrust bearing; This energy-storaging spring lower end is connected with described jump bit cover.
4. spring energy-storage excitation formula rotary percussion drilling device as claimed in claim 3, it is characterized in that: described jump bit cover is set on described axis of rotation, and is slidably connected with described axis of rotation; Described anvil cover is fixed with described drilling pipe; Described jump bit cover bottom is provided with the ring tooth head, and described anvil overlaps the top and is provided with the lower ring tooth head corresponding with described upper ring tooth head.
5. spring energy-storage excitation formula rotary percussion drilling device as claimed in claim 4, it is characterized in that: described upper ring tooth head comprises a plurality of lower convex edges that arrange along the end to end order of jump bit cover circumferencial direction, and described lower ring tooth head comprises a plurality of upper convex edges that arrange along the end to end order of anvil cover circumferencial direction; Described lower convex edge and the wrong corresponding setting of upper convex edge submission.
6. spring energy-storage excitation formula rotary percussion drilling device as claimed in claim 5, it is characterized in that: described anvil cover comprises hammering section and is arranged on the installation portion of this hammering subordinate end, described axis of rotation bottom is inserted in described hammering section, and the described hammering cylindrical setting of section's outer wall also adapts with described drilling pipe inwall.
7. spring energy-storage excitation formula rotary percussion drilling device as claimed in claim 6, it is characterized in that: described drilling pipe bottom is provided with crossover sub, this crossover sub upper end is connected by screw thread and described anvil cover bottom, and this crossover sub bottom is connected with described drill bit by screw thread.
8. spring energy-storage excitation formula rotary percussion drilling device as claimed in claim 7, it is characterized in that: be arranged with bottom described anvil cover and lift pipe nipple, this lifts the pipe nipple upper end and is connected with described drill bushing bottom, and this lifts pipe nipple lower end and described crossover sub upper end end contact.
9. spring energy-storage excitation formula rotary percussion drilling device as claimed in claim 8 is characterized in that: be arranged with Limit Bearing on described axis of rotation top, described axis of rotation is connected with described drilling pipe by this Limit Bearing.
10. spring energy-storage excitation formula rotary percussion drilling device as claimed in claim 9, it is characterized in that: be provided with adapter sleeve in described drilling pipe upper end, this adapter sleeve lower end is threaded with described drilling pipe, and this adapter sleeve upper end is provided with the joint that is threaded for described rotary drilling motor.
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| CN201310093270.7A CN103174380B (en) | 2013-03-21 | 2013-03-21 | Spring energy-storage inspiring type rotary percussive drill device |
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| CN201310093270.7A CN103174380B (en) | 2013-03-21 | 2013-03-21 | Spring energy-storage inspiring type rotary percussive drill device |
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| CN104847259A (en) * | 2015-04-13 | 2015-08-19 | 刘永旺 | Rotating impact acceleration device and method of power drilling tool |
| CN105275384A (en) * | 2014-06-26 | 2016-01-27 | 中国石油化工股份有限公司 | A percussion drilling device |
| CN106194009A (en) * | 2016-07-07 | 2016-12-07 | 长江大学 | A kind of rotary-percussion drill apparatus |
| CN108561072A (en) * | 2018-05-25 | 2018-09-21 | 邵金安 | Wheeled roll off band percussion drilling method, drilling apparatus, drilling system and drilling machine |
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| CN110469267A (en) * | 2019-07-31 | 2019-11-19 | 西南石油大学 | The device and method of compound action drag reduction speed-raising is turned round in a kind of drilling process by axis |
| CN110735597A (en) * | 2019-11-03 | 2020-01-31 | 东北石油大学 | hydraulic drive drill bit impactor |
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| WO2021120721A1 (en) * | 2019-12-16 | 2021-06-24 | 中国石油化工股份有限公司 | Well drilling acceleration tool |
| CN113027331A (en) * | 2021-03-17 | 2021-06-25 | 中国石油大学(华东) | Efficient drilling system and method for breaking rock by downhole rotary percussion stepping combined unloading |
| CN113445904A (en) * | 2021-06-01 | 2021-09-28 | 温州大学激光与光电智能制造研究院 | Drilling equipment with auxiliary rotary punching mechanism |
| CN116241173A (en) * | 2023-05-09 | 2023-06-09 | 中铁第一勘察设计院集团有限公司 | Single power source impact rotary compaction drilling construction method and equipment |
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