CN106320974A - Downhole breaking rock-entering drill of hydraulic slewing drilling machine - Google Patents
Downhole breaking rock-entering drill of hydraulic slewing drilling machine Download PDFInfo
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- CN106320974A CN106320974A CN201510378071.XA CN201510378071A CN106320974A CN 106320974 A CN106320974 A CN 106320974A CN 201510378071 A CN201510378071 A CN 201510378071A CN 106320974 A CN106320974 A CN 106320974A
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Abstract
The invention provides a downhole breaking rock-entering drill of a hydraulic slewing drilling machine and relates to a rock breaking device applicable to a power head type full hydraulic slewing drilling machine. The problems that in the drilling process, once an existing power head type full hydraulic slewing drilling machine encounters a rock stratum, a drill bit cannot enter the rock easily, the drilling efficiency is low, one-time impact holing of a large-diameter pile hole cannot be achieved, continuous hole bottom slag discharge cannot be achieved, the rock entering speed is slow, the drill bit is severely abraded, and the cost is high are solved. An oil circuit rotating connector assembly is additionally arranged on a drill rod of the slewing drilling machine. A central shaft of the rotating connector assembly is connected with the drill rod through a flange. The lower end of the rotating connector assembly is connected with a gas lifting hard rock drill bit through a vibrator. In the drilling and rock entering processes, percussive drilling is adopted, the rock entering and drilling efficiency is improved, continuous gas lifting slag discharge of the drilling machine is not changed while the vibrator conducts vibrating striking to cooperate with drilling of a drill bit, and the functions of striking and drilling of the power head type full hydraulic slewing drilling machine are achieved.
Description
Technical field
The present invention relates to a kind of power unit type all-hydraulic slewing drilling machine, be specifically related to a kind of be applicable to power unit type all-hydraulic slewing drilling machine and enter the down-the-hole of rock boring and crush and bore into rock.
Background technology
Currently used power unit type all-hydraulic slewing drilling machine, rock stratum is once run in boring procedure, first wife's drill bit is all difficult to quickly enter rock, drilling efficiency is extremely low, traditional boring method is by the brill tooth grinding bottom drill bit, when running into the rock stratum of 100 MPas and above hardness, it wears rock speed also only 10 hours about 1 meter.Although use pneumatic down-hole hammer can impinging earth strata, but efficiency is low, and stake holes diameter is the biggest, and the cost of down-hole hammer is the highest, and cannot realize the one-shot pore-forming of Large Diameter Pile Holes, needs repeatedly reaming, can't realize deslagging at the bottom of continuous aperture, enters rock speed slower.
Summary of the invention
It is an object of the invention to for above-mentioned deficiency, and a kind of impulsive force proposed is big, speed of fulfiling hole is fast, and drilling efficiency is high, safe and reliable, and the down-the-hole of 360 degree of rotary impact rock pore-formings of a kind of drill bit of low cost crushes and bores into rock.
The technical solution of the present invention is: add oil circuit swivel coupling assembly on the drilling rod of slewing drilling machine, and the central shaft of swivel coupling assembly is connected with drilling rod by flange, and the lower end of swivel coupling assembly is connected with drill bit by vibrator.
The rotating ring that swivel coupling assembly described in the technical solution of the present invention is mounted on central shaft, rotating ring is connected with the stationary ring on its excircle by bearing, the excircle of stationary ring is fixed with rotation preventive mechanism, and the outside of rotation preventive mechanism is provided with roller.
The rotating ring of the swivel coupling assembly described in the technical solution of the present invention is set with on center shaft by centre bore, and the lower end of rotating ring is fixing on center shaft by finger, and the upper end of rotating ring is fixed by bolts on central shaft by position-arresting disk.
The stationary ring of the swivel coupling assembly described in the technical solution of the present invention is provided with oil ring groove, and stationary ring and rotating ring are machined with oil hole respectively, and oil hole is connected with oil inlet pipe and flowline respectively.
Vibrator described in the technical solution of the present invention includes vibrator gear-box, vibrator gear-box is arranged on transition drilling rod, the outside of vibrator gear-box is connected in vibrator outer housing by damping rubber block, vibrator outer housing upper end is connected with the central shaft lower flange of swivel coupling assembly by flange, vibrator gear-box lower end and gaslift hard rock drill bit Flange joint.
The central shaft of the swivel coupling assembly described in the technical solution of the present invention is connected by flexible hose with the transition drilling rod of fixing vibrator gear-box, the central through hole of central shaft and transition drilling rod and flexible hose divides equally inside and outside two-layer, internal layer is connected with the mud hole on drill bit, and outer layer is connected with the air inlet on drill bit.
The present invention is to install swivel coupling and fluid motor-driven vibrator on the drilling rod of existing slewing drilling machine additional to drive drill bit to carry out percussive drilling, realize quickly entering rock boring under the operating mode that band bores even beating, hit by vibration and crushing rock formation is become rubble powder, and make boring mud discharge continuously from the bottom of hole by lift mode；The invention have the advantage that one is that impulsive force is big, drill bit impact power is up to more than 350Mpa/cm, and speed of fulfiling hole is fast；Two is crushing rock formation can be made powdered by vibrations strike, and by the gaslift recovery pipe of abrasion drill main frame, the discharge of collecting continuously of boring mud is realized continuous drilling, does not shuts down；Three is safe and reliable, fluid pressure line uses high pressure vibrationproof to seal, there is not poorly sealed problem, it is connected by snubber block between vibration hammer with vibration hammer outer housing, during vibration hammer vibration, snubber block produces damping effect, makes the most vibrated hammer vibration of vibration hammer outer housing above section and slewing drilling machine unit head, hydraulic pressurization oil cylinder produce impact；Four is that rotation preventive mechanism spline is effective, fast response time, uses hydraulic cylinder to hold out against stake holes wall and realizes the reliable spline of swivel coupling stationary ring.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that the present invention is supporting with slewing drilling machine.
Fig. 2 is the structural representation of the present invention.
Detailed description of the invention
As shown in Figure 1, 2, the slewing drilling machine down-the-hole of the present invention crushes and adds oil circuit swivel coupling assembly 1 on the drilling rod 15 of the slewing drilling machine 4 that rock bores, and the lower end of swivel coupling assembly 1 is connected with drill bit 3 by vibrator 2；Swivel coupling assembly 1 is made up of rotating ring 7, stationary ring 8 and rotation preventive mechanism 9, and swivel coupling assembly 1 rotating ring 7 is provided with the cylinder of central through hole, and rotating ring 7 is sleeved on central shaft 18 by this central through hole；Central shaft 18 is a transition drilling rod, and the upper end of central shaft 18 is connected with the drilling rod 15 of slewing drilling machine by flange, and the central through hole on central shaft 18 docks with the boring mud gaslift path on drilling rod 15；Stationary ring 8 is provided with the cylinder of central through hole, and stationary ring 8 is sleeved on rotating ring 7 excircle by this central through hole, and rotating ring 7 is connected with the stationary ring 8 on its excircle by bearing 17, it is ensured that its gap meets oil channel sealing installation requirement；Rotation preventive mechanism 9 is located on the excircle of swivel coupling assembly 1 stationary ring 8, rotation preventive mechanism 9 realizes the spline of swivel coupling assembly 1 stationary ring 8 by adding compressing cylinder pressurization stretching hole wall, prevent oil pipe from rotating with drilling rod in boring procedure and being wound around, the outside of rotation preventive mechanism 9 is provided with roller 21, can upper and lower slip stretching hole wall when slewing drilling machine down-the-hole of the present invention crushes and makees into rock driller, ensureing that slewing drilling machine down-the-hole crushes rock and is drilled in drilling process with rod boring, the vertical curve be given outside rotation preventive mechanism 9 and roller 21 in Fig. 2 represents hole wall；The lower end of rotating ring 7 is fixed on central shaft 18 by finger 10, rotating ring 7 can be driven to rotate by transmission finger 10, and the upper end of rotating ring 7 is provided with position-arresting disk 16, and position-arresting disk 16 is fixed by bolts on central shaft 18；Being provided with oil ring groove on stationary ring 8, stationary ring 8 and rotating ring 7 are machined with oil hole respectively, oil hole is connected with oil inlet pipe and flowline respectively, it is achieved static oil pipe is connected with the oil circuit of dynamic oil pipe, and oil inlet pipe connects hydraulic power unit 5, and flowline connects the hydraulic motor of vibrator 2；Vibrator 2 is made up of vibrator gear-box 12 and vibrator outer housing 19 two parts, and vibrator gear-box 12 center is hollow type, and hollow part arranges gas-lift slag discharging pipeline transition drilling rod 20；Vibrator gear-box 12 lower end and drill bit 3 pass through Flange joint；Being connected with damping rubber block 13 between vibrator outer housing 19 with vibrator gear-box 12, damping rubber block 13 plays damping, buffering effect, to reduce vibration to upper end drilling rod and the impact of main frame；After preventing damping rubber block 13 to lose efficacy, vibrator gear-box 12 disengages with vibrator outer housing 19, and vibrator gear-box 12 cannot take out at the bottom of hole, is provided with lock between vibrator outer housing 19 and vibrator gear-box 12；The power of vibrator 2 leans on fluid motor-driven, meets adverse circumstances work bottom stake holes；Vibrator outer housing 19 upper end is connected with central shaft 18 lower flange of swivel coupling assembly 1 by flange, central shaft 18 is connected by flexible hose 11 with the transition drilling rod 20 of fixing vibrator gear-box 12, central shaft 18 and transition drilling rod 20, and the central through hole of flexible hose 11 divides equally inside and outside two-layer, corresponding with the mud hole on drill bit 3 and air inlet, the through hole of internal layer is connected with the mud hole on drill bit 3, the through hole of outer layer is connected with the air inlet on drill bit 3, to meet the gas-lift slag discharging requirement of slewing drilling machine, continuous discharging slag is crept in realization, ensure that abrasion drill slagging channel is unimpeded.The hydraulic pressure fuel feeding of the present invention is provided by hydraulic power unit 5, and hydraulic oil pipeline is by tubing reels 6 folding and unfolding installed additional, it is ensured that oil pipe is without relaxation in hole, and the control system of the present invention realizes centralized Control in can being integrated in the control room of slewing drilling machine.The present invention produces high-frequency excitation power by fluid motor-driven vibrator 2, drive rig gaslift hard rock drill bit 3 vertical tremor, main frame unit head drives drilling rod to rotate, guarantee hard rock carries out the most broken strike, utilize gas-lift slag discharging system that rock particles is discharged stake holes simultaneously, in whole drilling process, band brill is made by the company of realization, until having constructed.
Claims (6)
1. a hydraulic rotary drilling rig down-the-hole crushes and bores into rock, it is characterized in that: on the drilling rod (15) of slewing drilling machine (4), add oil circuit swivel coupling assembly (1), the central shaft (18) of swivel coupling assembly (1) is connected with drilling rod (15) by flange, and the lower end of swivel coupling assembly (1) is connected with drill bit (3) by vibrator (2).
Hydraulic rotary drilling rig down-the-hole the most according to claim 1 crushes and bores into rock, it is characterized in that: described swivel coupling assembly (1) is mounted in the rotating ring (7) on central shaft (18), rotating ring (7) is connected with the stationary ring (8) on its excircle by bearing (17), being fixed with rotation preventive mechanism (9) on the excircle of stationary ring (8), the outside of rotation preventive mechanism (9) is provided with roller (21).
Hydraulic rotary drilling rig down-the-hole the most according to claim 2 crushes and bores into rock, it is characterized in that: the rotating ring (7) of described swivel coupling assembly (1) is sleeved on central shaft (18) by centre bore, the lower end of rotating ring (7) is fixed on central shaft (18) by finger (10), and the upper end of rotating ring (7) is fixed by bolts on central shaft (18) by position-arresting disk (16).
Hydraulic rotary drilling rig down-the-hole the most according to claim 2 crushes and bores into rock, it is characterized in that: the stationary ring (8) of described swivel coupling assembly (1) is provided with oil ring groove, being machined with oil hole respectively on stationary ring (8) and rotating ring (7), oil hole is connected with oil inlet pipe and flowline respectively.
Hydraulic rotary drilling rig down-the-hole the most according to claim 1 crushes and bores into rock, it is characterized in that: described vibrator (2) includes vibrator gear-box (12), vibrator gear-box (12) is arranged on transition drilling rod (20), the outside of vibrator gear-box (12) is connected in vibrator outer housing (19) by damping rubber block (13), vibrator outer housing (19) upper end is connected with central shaft (18) lower flange of swivel coupling assembly (1) by flange, and vibrator gear-box (12) lower end and drill bit (3) use Flange joint.
The most according to claim 1 or 5, hydraulic rotary drilling rig down-the-hole crushes and bores into rock, it is characterized in that: the central shaft (18) of described swivel coupling assembly (1) is connected by flexible hose 11 with the transition drilling rod (20) of fixing vibrator gear-box (12), the central through hole of central shaft (18) and transition drilling rod (20) and flexible hose 11 divides equally inside and outside two-layer, internal layer is connected with the mud hole on drill bit (3), and outer layer is connected with the air inlet on drill bit (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510378071.XA CN106320974A (en) | 2015-07-02 | 2015-07-02 | Downhole breaking rock-entering drill of hydraulic slewing drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510378071.XA CN106320974A (en) | 2015-07-02 | 2015-07-02 | Downhole breaking rock-entering drill of hydraulic slewing drilling machine |
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| CN106320974A true CN106320974A (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510378071.XA Pending CN106320974A (en) | 2015-07-02 | 2015-07-02 | Downhole breaking rock-entering drill of hydraulic slewing drilling machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209221A (en) * | 2018-11-14 | 2019-01-15 | 中国铁建重工集团有限公司 | A kind of down-hole hammer equipment and its impact guidance system |
| CN109519120A (en) * | 2018-11-12 | 2019-03-26 | 中国十七冶集团有限公司 | One kind being used for fragmentation rock stratum rock excavation fragmentation device and its installation, application method |
| CN109869093A (en) * | 2019-03-01 | 2019-06-11 | 襄阳畅勘智能机械有限公司 | A kind of hydraulic rotary drilling rig down-the-hole is crushed the rotation stop device bored into rock |
Citations (6)
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|---|---|---|---|---|
| US3933209A (en) * | 1972-08-23 | 1976-01-20 | Tigre Tierra, Inc. | Drilling apparatus and technique using down-hole motor |
| CN102425370A (en) * | 2011-12-21 | 2012-04-25 | 中冶交通工程技术有限公司 | Hole bottom oil pressure motor lithoclast combined power drilling tool construction method and device |
| CN202791073U (en) * | 2012-09-14 | 2013-03-13 | 郭宪军 | Leak-proof hydraulic rotating joint |
| CN203499551U (en) * | 2013-09-23 | 2014-03-26 | 襄阳畅勘智能机械有限公司 | Rotary pile drilling machine hole bottom hydraulic high-frequency percussion drill |
| CN204402349U (en) * | 2014-12-26 | 2015-06-17 | 襄阳畅勘智能机械有限公司 | Hydraulic pressure high frequency down-the-hole at the bottom of rotary pile-digging machine hole breaks rock and bores |
| CN204728997U (en) * | 2015-07-02 | 2015-10-28 | 襄阳畅勘智能机械有限公司 | The fragmentation of hydraulic rotary drilling rig down-the-hole enters rock and bores |
-
2015
- 2015-07-02 CN CN201510378071.XA patent/CN106320974A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3933209A (en) * | 1972-08-23 | 1976-01-20 | Tigre Tierra, Inc. | Drilling apparatus and technique using down-hole motor |
| CN102425370A (en) * | 2011-12-21 | 2012-04-25 | 中冶交通工程技术有限公司 | Hole bottom oil pressure motor lithoclast combined power drilling tool construction method and device |
| CN202791073U (en) * | 2012-09-14 | 2013-03-13 | 郭宪军 | Leak-proof hydraulic rotating joint |
| CN203499551U (en) * | 2013-09-23 | 2014-03-26 | 襄阳畅勘智能机械有限公司 | Rotary pile drilling machine hole bottom hydraulic high-frequency percussion drill |
| CN204402349U (en) * | 2014-12-26 | 2015-06-17 | 襄阳畅勘智能机械有限公司 | Hydraulic pressure high frequency down-the-hole at the bottom of rotary pile-digging machine hole breaks rock and bores |
| CN204728997U (en) * | 2015-07-02 | 2015-10-28 | 襄阳畅勘智能机械有限公司 | The fragmentation of hydraulic rotary drilling rig down-the-hole enters rock and bores |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519120A (en) * | 2018-11-12 | 2019-03-26 | 中国十七冶集团有限公司 | One kind being used for fragmentation rock stratum rock excavation fragmentation device and its installation, application method |
| CN109209221A (en) * | 2018-11-14 | 2019-01-15 | 中国铁建重工集团有限公司 | A kind of down-hole hammer equipment and its impact guidance system |
| CN109209221B (en) * | 2018-11-14 | 2024-02-09 | 中国铁建重工集团股份有限公司 | Down-the-hole hammer equipment and impact guiding system thereof |
| CN109869093A (en) * | 2019-03-01 | 2019-06-11 | 襄阳畅勘智能机械有限公司 | A kind of hydraulic rotary drilling rig down-the-hole is crushed the rotation stop device bored into rock |
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Application publication date: 20170111 |