CN113445904A - Drilling equipment with auxiliary rotary punching mechanism - Google Patents
Drilling equipment with auxiliary rotary punching mechanism Download PDFInfo
- Publication number
- CN113445904A CN113445904A CN202110609311.8A CN202110609311A CN113445904A CN 113445904 A CN113445904 A CN 113445904A CN 202110609311 A CN202110609311 A CN 202110609311A CN 113445904 A CN113445904 A CN 113445904A
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- Prior art keywords
- fixedly connected
- drill bit
- auxiliary
- wall
- rod
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- 238000005553 drilling Methods 0.000 title claims abstract description 49
- 238000004080 punching Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 58
- 238000009434 installation Methods 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 239000002689 soil Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 241000581613 Alchemilla arvensis Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Images
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
- E21B6/00—Drives for drilling with combined rotary and percussive action
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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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
-
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/14—Drilling by use of heat, e.g. flame drilling
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
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- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Drilling And Boring (AREA)
- Earth Drilling (AREA)
Abstract
The invention belongs to the field of drilling equipment, in particular to drilling equipment with an auxiliary rotary punching mechanism, aiming at the problems that the existing drill bit is difficult to descend frequently, if the well is drilled downwards continuously, the drill bit is extremely easy to be stuck or damaged, so that unnecessary loss is caused, and the working efficiency is greatly reduced once the drill bit is stuck, the invention provides the following scheme, which comprises the drill bit, wherein the top of the drill bit is fixedly connected with a drill rod, and the inner wall of the bottom of the drill rod is fixedly connected with an electric push rod. The service life of the drill bit is prolonged to a great extent, the structure is simple, and the use is convenient.
Description
Technical Field
The invention relates to the technical field of drilling equipment, in particular to drilling equipment with an auxiliary rotary punching mechanism.
Background
Drilling equipment, equipment for drilling a well. Broadly, this includes surface equipment kits for drilling wells, specialized drilling tools, and well instruments. According to the functions, the system comprises a rotation system, a lifting system, a circulation system, a power system, a transmission system, a control system and the like.
During drilling, the drill bit often appears the condition that is difficult to descend, if continue to make a hole downwards this moment, very easily appear the condition that the drill bit blocks or damages, cause unnecessary loss, in case the drill bit blocks in addition, work will be difficult to continue, and then can very big degree reduce work efficiency, lack an auxiliary assembly help the process of making a hole and continue going on, so we propose a drilling equipment who has supplementary rotatory punching press mechanism for solve above-mentioned problem.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides drilling equipment with an auxiliary rotary punching mechanism.
In order to achieve the purpose, the invention adopts the following technical scheme:
the drilling equipment with the auxiliary rotary punching mechanism comprises a drill bit, wherein a drill rod is fixedly connected to the top of the drill bit, the inner wall of the bottom of the drill rod is fixedly connected with an electric push rod, an output shaft of the electric push rod extends to the inside of the drill bit and is fixedly connected with a connecting plate, the top of the connecting plate is fixedly connected with an annular baffle, the top of the annular baffle hermetically and slidably penetrates through the drill bit and extends to the upper part of the drill bit, a plurality of second through holes are arranged on the side surface of the drill rod, the bottom of the connecting plate is fixedly connected with an installation rod, the inner wall of the drill bit is provided with a first through hole, the bottom of the mounting rod extends into the first through hole, the bottom of installation pole is provided with the first auxiliary assembly that is used for assisting the well drilling, the outer wall of installation pole is provided with the second auxiliary assembly that is used for assisting the well drilling, the top of drilling rod is provided with the water delivery subassembly that is used for the water delivery.
Preferably, first supplementary subassembly includes that fixed connection is in the supplementary box of second of installation pole bottom, the mounting groove that is linked together is all seted up to the both sides of first through-hole, the bottom inner wall sliding connection of mounting groove has the swash plate, two fixedly connected with is the same third spring between the one end that the swash plate was kept away from each other and the one side inner wall that corresponds the mounting groove.
Preferably, the second auxiliary assembly is established at the plectane of installation pole outer wall including fixed cover, a plurality of bracing pieces of top fixedly connected with of plectane, it is a plurality of the top of bracing piece all slides and runs through the drill bit and extend to in the second through-hole, the first supplementary box of top fixedly connected with of bracing piece, two first springs that fixedly connected with symmetry set up between the bottom of plectane and the bottom inner wall of drill bit.
Preferably, the water delivery subassembly includes the water box of fixed connection at the drilling rod top, the top of water box rotates sealing connection and has the inlet tube, the bottom fixedly connected with of water box a plurality of second water pipes and the first water pipe that are linked together, it is a plurality of apopores have all been seted up to the one end that first supplementary box was kept away from each other and the bottom of the supplementary box of second, the second water pipe is linked together with first supplementary box, first water pipe runs through drilling rod, drill bit and is linked together with the supplementary box of second.
Preferably, the inner wall of the top of the mounting groove is slidably connected with a bump, two the bumps are separated from each other and are respectively fixedly connected with a vertical plate and a clamping plate, the vertical plates are respectively and fixedly connected with a clamping plate and a clamping groove, the clamping grooves are clamped with the clamping plates, the clamping plates are respectively penetrated through the two inclined plates, the clamping grooves are formed in the side, close to each other, of the inclined plates, and a second spring is fixedly connected between the inner walls of the side, close to each other, of the vertical plates and the mounting groove.
Preferably, the clamping grooves and the clamping plates on the two inclined plates are arranged in a mirror image mode.
Preferably, the bottom of the second auxiliary box and one end of the plurality of first auxiliary boxes, which are far away from each other, are provided with laser output heads.
Preferably, the inner wall of the annular baffle is provided with a sealing gasket.
Preferably, the bottom of the circular plate is fixedly connected with two symmetrically arranged sliding rods, the inner wall of the bottom of the drill bit is provided with two symmetrically arranged sliding grooves, and the sliding grooves are matched with the sliding rods for use.
Compared with the prior art, the invention has the beneficial effects that:
1. when the drill bit is used for drilling, if a situation that stones or soil are hard is met, the drill bit stops rotating, the electric push rod is started, a piston rod of the electric push rod drives the connecting plate to vertically move downwards, the connecting plate drives the mounting rod and the annular baffle to vertically move downwards, the annular baffle moves downwards so as not to block the first auxiliary box, the mounting rod drives the second auxiliary box to vertically move downwards, the second auxiliary box pushes the two lugs to be away from each other, the lugs drive the two vertical plates to be away from each other, the vertical plates drive the two clamping plates to be away from each other, the clamping plates are further enabled not to be in a clamping state with the clamping grooves, braking between the two inclined plates is relieved, and the second auxiliary box still pushes the two inclined plates and enables the two inclined plates to be away from each other;
2. according to the invention, the connecting plate continues to vertically move downwards, the connecting plate pushes the circular plate to vertically move downwards, the circular plate drives the supporting rod to vertically move downwards, the supporting rod drives the first auxiliary box to vertically move downwards, and at the moment, the laser output heads can be started to emit laser, so that the laser output heads in the first auxiliary box and the second auxiliary box respectively break stones around the drill bit and at the bottom of the drill bit;
3. according to the invention, the external water delivery equipment is started, water is discharged into the water box through the water inlet pipe, and is conveyed into the first auxiliary box and the second auxiliary box through the first water pipe and the second water pipe, and is finally sprayed out of the water outlet hole and the first through hole, broken stones are dispersed by matching with laser, the second auxiliary box and the first auxiliary box can continuously move down for a certain distance, so that deeper stones can be broken better, the sprayed water can wet soil, drilling is facilitated, the drill bit can be cooled more conveniently, the subsequent drilling process is facilitated, the drill bit is prevented from being damaged, and the service life of the drill bit is prolonged to a great extent.
According to the invention, stones around and at the bottom of the drill bit can be broken through the laser output head, water sprayed from the water outlet hole can be matched with laser to disperse broken stones, the sprayed water can moisten soil and facilitate drilling, the drill bit can be cooled more conveniently, the follow-up drilling process can be facilitated, the drill bit is prevented from being damaged, the service life of the drill bit is prolonged to a great extent, the structure is simple, and the use is convenient.
Drawings
Fig. 1 is a front view of a drilling device with an auxiliary rotary punching mechanism according to the present invention;
FIG. 2 is a schematic sectional front view of a drilling apparatus with an auxiliary rotary punching mechanism according to the present invention;
FIG. 3 is a schematic sectional view of the water box of the present invention;
FIG. 4 is a schematic side view of a first auxiliary box according to the present invention;
FIG. 5 is a schematic top view of a circular plate according to the present invention;
FIG. 6 is an enlarged view of portion A of the present invention;
fig. 7 is a schematic side view of the swash plate according to the present invention.
In the figure: 1. a water inlet pipe; 2. a water box; 3. a drill stem; 4. an annular baffle; 5. a drill bit; 6. an electric push rod; 7. a first auxiliary box; 8. a gasket; 9. a circular plate; 10. mounting a rod; 11. a first through hole; 12. a chute; 13. a slide bar; 14. a first spring; 15. a connecting plate; 16. a support bar; 17. a second through hole; 18. a first water pipe; 19. a second water pipe; 20. a water outlet hole; 21. a laser output head; 22. a second auxiliary box; 23. a bump; 24. a vertical plate; 25. a second spring; 26. a third spring; 27. mounting grooves; 28. a sloping plate; 29. a card slot; 30. and (4) clamping the board.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1-7, a drilling equipment with supplementary rotatory punching press mechanism, including drill bit 5, the top fixedly connected with drilling rod 3 of drill bit 5, the bottom inner wall fixedly connected with electric putter 6 of drilling rod 3, electric putter 6's output shaft extends to the inside of drill bit 5 and fixedly connected with connecting plate 15, the top fixedly connected with ring baffle 4 of connecting plate 15, the top of ring baffle 4 is sealed to slide and runs through drill bit 5 and extend to the top of drill bit 5, a plurality of second through-holes 17 have been seted up to the side of drilling rod 3, the bottom fixedly connected with installation pole 10 of connecting plate 15, first through-hole 11 has been seted up to the inner wall of drill bit 5, the bottom of installation pole 10 extends to in the first through-hole 11, the bottom of installation pole 10 is provided with the first auxiliary assembly who is used for assisting the well drilling, the outer wall of installation pole 10 is provided with the second auxiliary assembly who is used for assisting the well drilling, the top of drilling rod 3 is provided with the water delivery subassembly that is used for water delivery.
Example two
The embodiment is improved on the basis of the first embodiment: the first auxiliary assembly comprises a second auxiliary box 22 fixedly connected to the bottom of the installation rod 10, two sides of the first through hole 11 are respectively provided with a communicated installation groove 27, the inner wall of the bottom of the installation groove 27 is slidably connected with an inclined plate 28, one end of each inclined plate 28, which is far away from each other, is fixedly connected with a same third spring 26 with the inner wall of one side of the corresponding installation groove 27, the second auxiliary assembly comprises a circular plate 9 fixedly sleeved on the outer wall of the installation rod 10, the top of the circular plate 9 is fixedly connected with a plurality of supporting rods 16, the tops of the supporting rods 16 are respectively slidably penetrated through the drill bit 5 and extend into the second through hole 17, the top of each supporting rod 16 is fixedly connected with a first auxiliary box 7, two first springs 14 symmetrically arranged are fixedly connected between the bottom of the circular plate 9 and the inner wall of the bottom of the drill bit 5, the water delivery assembly comprises a water box 2 fixedly connected to the top of the drill bit 3, the top of the water box 2 is rotatably and hermetically connected with a water inlet pipe 1, a plurality of second water pipes 19 and first water pipe 18 that are linked together of bottom fixedly connected with of water box 2, a plurality of apopores 20 have all been seted up to the one end that a plurality of first supplementary boxes 7 kept away from each other and the bottom of the supplementary box 22 of second, and second water pipe 19 is linked together with first supplementary box 7, and first water pipe 18 runs through drilling rod 3, drill bit 5 and is linked together with the supplementary box 22 of second.
EXAMPLE III
The embodiment is improved on the basis of the first embodiment: the top inner wall sliding connection of mounting groove 27 has lug 23, the equal fixedly connected with riser 24 in one side that two lugs 23 kept away from each other, the equal fixedly connected with cardboard 30 in one side that two risers 24 are close to each other, two cardboard 30 run through two swash plates 28 respectively, draw-in groove 29 with cardboard 30 looks block is all seted up to one side that two swash plates 28 are close to each other, fixedly connected with second spring 25 between the one side inner wall that riser 24 and mounting groove 27 are close to each other, draw-in groove 29 and cardboard 30 on two swash plates 28 are the mirror image setting, the bottom of the supplementary box 22 of second and the one end that a plurality of first supplementary boxes 7 kept away from each other all are provided with laser output head 21, the inner wall of annular baffle 4 is provided with sealed pad 8, two slide bars 13 that the bottom fixedly connected with symmetry of plectane 9 set up, two spouts 12 that the symmetry set up are seted up to the bottom inner wall of drill bit 5, spout 12 uses with the cooperation of slide bar 13.
The working principle is as follows: when the drill bit 5 is used for drilling, if a situation that stones or soil are hard occurs, the drill bit 5 is stopped rotating, the electric push rod 6 is started, a piston rod of the electric push rod 6 drives the connecting plate 15 to vertically move downwards, the connecting plate 15 drives the mounting rod 10 and the annular baffle 4 to vertically move downwards, the annular baffle 4 moves downwards so as not to block the first auxiliary box 7, the mounting rod 10 drives the second auxiliary box 22 to vertically move downwards, the second auxiliary box 22 pushes the two bumps 23 to be away from each other, the bumps 23 drive the two vertical plates 24 to be away from each other, the vertical plates 24 drive the two clamping plates 30 to be away from each other, so that the clamping plates 30 are not in a clamping state with the clamping grooves 29 any more, braking between the two inclined plates 28 is released, the second auxiliary box 22 still pushes the two inclined plates 28 and makes the two inclined plates 28 to be away from each other, the connecting plate 15 continues to vertically move downwards, and the connecting plate 15 pushes the circular plates 9 to vertically move downwards, the circular plate 9 drives the supporting rod 16 to vertically move downwards, the supporting rod 16 drives the first auxiliary box 7 to vertically move downwards, at the moment, the laser output head 21 can be started to emit laser, so that the laser output heads 21 in the first auxiliary box 7 and the second auxiliary box 22 respectively break stones around and at the bottom of the drill bit 5, an external water delivery device is started, water is discharged into the water box 2 through the water inlet pipe 1 and then is conveyed into the first auxiliary box 7 and the second auxiliary box 22 through the first water pipe 18 and the second water pipe 19, and finally is sprayed out of the water outlet hole 20 and the first through hole 11 to disperse broken stones by matching with the laser, the second auxiliary box 22 and the first auxiliary box 7 can continuously move downwards for a distance, so that the deeper stones can be broken better, the sprayed water can not only moisten soil, facilitate drilling, but also can cool the drill bit 5, facilitate the subsequent drilling process, and ensure that the drill bit 5 cannot be damaged, the service life of the drill bit 5 is prolonged to a great extent.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The drilling equipment with the auxiliary rotary punching mechanism comprises a drill bit (5) and is characterized in that a drill rod (3) is fixedly connected to the top of the drill bit (5), an electric push rod (6) is fixedly connected to the inner wall of the bottom of the drill rod (3), an output shaft of the electric push rod (6) extends to the inside of the drill bit (5) and is fixedly connected with a connecting plate (15), an annular baffle plate (4) is fixedly connected to the top of the connecting plate (15), the top of the annular baffle plate (4) penetrates through the drill bit (5) in a sealing and sliding mode and extends to the position above the drill bit (5), a plurality of second through holes (17) are formed in the side face of the drill bit (3), an installation rod (10) is fixedly connected to the bottom of the connecting plate (15), a first through hole (11) is formed in the inner wall of the drill bit (5), and the bottom of the installation rod (10) extends into the first through hole (11), the bottom of installation pole (10) is provided with the first auxiliary assembly that is used for assisting the well drilling, the outer wall of installation pole (10) is provided with the second auxiliary assembly that is used for assisting the well drilling, the top of drilling rod (3) is provided with the water delivery subassembly that is used for the water delivery.
2. The drilling equipment with the auxiliary rotary punching mechanism is characterized in that the first auxiliary assembly comprises a second auxiliary box (22) fixedly connected to the bottom of the installation rod (10), two sides of the first through hole (11) are respectively provided with a communicated installation groove (27), the inner wall of the bottom of each installation groove (27) is slidably connected with an inclined plate (28), and the same third spring (26) is fixedly connected between one end, away from each other, of each inclined plate (28) and the inner wall of one side of the corresponding installation groove (27).
3. The drilling equipment with the auxiliary rotary punching mechanism is characterized in that the second auxiliary assembly comprises a circular plate (9) fixedly sleeved on the outer wall of the installation rod (10), a plurality of support rods (16) are fixedly connected to the top of the circular plate (9), the tops of the support rods (16) all slide through the drill bit (5) and extend into the second through hole (17), a first auxiliary box (7) is fixedly connected to the tops of the support rods (16), and two first springs (14) which are symmetrically arranged are fixedly connected between the bottom of the circular plate (9) and the inner bottom wall of the drill bit (5).
4. The drilling equipment with the auxiliary rotary punching mechanism is characterized in that the water delivery assembly comprises a water box (2) fixedly connected to the top of a drill rod (3), the top of the water box (2) is rotatably and hermetically connected with a water inlet pipe (1), the bottom of the water box (2) is fixedly connected with a plurality of second water pipes (19) and first water pipes (18) which are communicated, a plurality of water outlet holes (20) are formed in one ends, away from each other, of the first auxiliary boxes (7) and the bottom of the second auxiliary boxes (22), the second water pipes (19) are communicated with the first auxiliary boxes (7), and the first water pipes (18) penetrate through the drill rod (3) and a drill bit (5) and are communicated with the second auxiliary boxes (22).
5. The drilling equipment with the auxiliary rotary punching mechanism is characterized in that a convex block (23) is slidably connected to the inner wall of the top of the mounting groove (27), a vertical plate (24) is fixedly connected to one side, away from each other, of the two convex blocks (23), a clamping plate (30) is fixedly connected to one side, close to each other, of the two vertical plates (24), the two clamping plates (30) respectively penetrate through the two inclined plates (28), a clamping groove (29) clamped with the clamping plate (30) is formed in one side, close to each other, of the two inclined plates (28), and a second spring (25) is fixedly connected between the inner walls, close to each other, of the vertical plates (24) and the mounting groove (27).
6. Drilling equipment with auxiliary rotary punching mechanism according to claim 2, characterized in that the locking grooves (29) and locking plates (30) on both of the swash plates (28) are arranged in mirror image.
7. Drilling equipment with auxiliary rotary punching mechanism according to claim 4, characterized in that the bottom of the second auxiliary magazine (22) and the end of the first auxiliary magazines (7) remote from each other are each provided with a laser output head (21).
8. Drilling equipment with auxiliary rotary punching mechanism according to claim 1, characterized in that the inner wall of the annular blind (4) is provided with a sealing gasket (8).
9. The drilling equipment with the auxiliary rotary punching mechanism is characterized in that two symmetrically arranged sliding rods (13) are fixedly connected to the bottom of the circular plate (9), two symmetrically arranged sliding grooves (12) are formed in the inner wall of the bottom of the drill bit (5), and the sliding grooves (12) are matched with the sliding rods (13) for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110609311.8A CN113445904B (en) | 2021-06-01 | 2021-06-01 | Drilling equipment with auxiliary rotary punching mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110609311.8A CN113445904B (en) | 2021-06-01 | 2021-06-01 | Drilling equipment with auxiliary rotary punching mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113445904A true CN113445904A (en) | 2021-09-28 |
| CN113445904B CN113445904B (en) | 2022-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110609311.8A Active CN113445904B (en) | 2021-06-01 | 2021-06-01 | Drilling equipment with auxiliary rotary punching mechanism |
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| Country | Link |
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| CN (1) | CN113445904B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174380A (en) * | 2013-03-21 | 2013-06-26 | 中国石油大学(华东) | Spring energy-storage inspiring type rotary percussive drill device |
| CN203334954U (en) * | 2013-07-19 | 2013-12-11 | 东北石油大学 | Drilling device with laser drill bit |
| CN104499943A (en) * | 2014-12-12 | 2015-04-08 | 中国石油天然气股份有限公司 | Laser drill bit, laser drilling tool and drilling and rock breaking method |
| CN104563885A (en) * | 2013-10-27 | 2015-04-29 | 中国石油化工集团公司 | Laser aided rock-breaking fixed gear drill bit |
| CN107246239A (en) * | 2017-05-15 | 2017-10-13 | 合肥市规划设计研究院 | A kind of decorative engineering eminence drilling equipment |
-
2021
- 2021-06-01 CN CN202110609311.8A patent/CN113445904B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174380A (en) * | 2013-03-21 | 2013-06-26 | 中国石油大学(华东) | Spring energy-storage inspiring type rotary percussive drill device |
| CN203334954U (en) * | 2013-07-19 | 2013-12-11 | 东北石油大学 | Drilling device with laser drill bit |
| CN104563885A (en) * | 2013-10-27 | 2015-04-29 | 中国石油化工集团公司 | Laser aided rock-breaking fixed gear drill bit |
| CN104499943A (en) * | 2014-12-12 | 2015-04-08 | 中国石油天然气股份有限公司 | Laser drill bit, laser drilling tool and drilling and rock breaking method |
| CN107246239A (en) * | 2017-05-15 | 2017-10-13 | 合肥市规划设计研究院 | A kind of decorative engineering eminence drilling equipment |
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| Publication number | Publication date |
|---|---|
| CN113445904B (en) | 2022-09-13 |
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