CN112211563A - Rock geology drill bit of reducible drill bit off tracking - Google Patents
Rock geology drill bit of reducible drill bit off tracking Download PDFInfo
- Publication number
- CN112211563A CN112211563A CN202010950198.5A CN202010950198A CN112211563A CN 112211563 A CN112211563 A CN 112211563A CN 202010950198 A CN202010950198 A CN 202010950198A CN 112211563 A CN112211563 A CN 112211563A
- Authority
- CN
- China
- Prior art keywords
- wall
- thick bamboo
- drill bit
- cylinder
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011435 rock Substances 0.000 title claims abstract description 20
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 30
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 30
- 241001330002 Bambuseae Species 0.000 claims abstract description 30
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 30
- 239000011425 bamboo Substances 0.000 claims abstract description 30
- 238000013016 damping Methods 0.000 claims abstract description 20
- 230000035939 shock Effects 0.000 claims abstract description 6
- 230000001681 protective effect Effects 0.000 claims description 26
- 230000002457 bidirectional effect Effects 0.000 claims description 7
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 2
- 238000005553 drilling Methods 0.000 description 13
- 238000005520 cutting process Methods 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000002337 anti-port Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
- E21B10/55—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits with preformed cutting elements
-
- 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
- E21B12/00—Accessories for drilling tools
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a rock geological drill bit capable of reducing deviation of a drill bit, and relates to the field of drill bits. This rock geology drill bit based on reducible drill bit off tracking, comprising a main body, the upper end of main part is provided with a protection section of thick bamboo, the top of a protection section of thick bamboo is provided with the crown plate, the top surface of crown plate is provided with fixed pointed cone, the inner wall of a protection section of thick bamboo is provided with the lockplate, one side that a protection section of thick bamboo was kept away from to the lockplate is in the same place with the one end fixed connection of a location section of thick bamboo, a location section of thick bamboo keep away from the one end of lockplate and the one end fixed connection of shock attenuation spring lever together, the side fixed connection of the one end of a location section of thick bamboo and connecting plate is in the same place for the shock attenuation spring lever is kept away from to the connecting plate, the inboard of shock attenuation. Through the mutual cooperation of two damping spring poles and a positioning cylinder, the stability of the drill bit during rotation is improved.
Description
Technical Field
The invention relates to the technical field of drill bits, in particular to a rock geological drill bit capable of reducing deviation of the drill bit.
Background
The PDC drill bit is a face-breaking tool widely used in the development of petroleum and natural gas exploration at present, effectively improves a mechanical drilling tool, shortens a drilling period, and plays an important role in improving the drilling speed and reducing the comprehensive drilling cost due to the reasonable type selection of the drill bit.
In the market, there are many types of drill bits, but most of the drill bits cannot effectively prevent the drill bits from deviating when drilling the surface of a hard object, and drill cuttings are easy to splash when drilling, so that the stability of the drill bits is low.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the rock geological drill bit capable of reducing the deviation of the drill bit, and solves the problems that most drill bits cannot effectively solve the deviation of the drill bit when drilling on the surface of a hard object, drill cuttings are easy to splash during drilling, and the stability of the drill bit is low.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a rock geological drill bit capable of reducing deviation of a drill bit comprises a main body, wherein a protective cylinder is arranged at the upper end of the main body, a ring plate is arranged at the top end of the protective cylinder, a fixed pointed cone is arranged on the top surface of the ring plate, a plurality of fixed pointed cones are uniformly distributed on the top surface of the ring plate, a locking plate is arranged on the inner wall of the protective cylinder, four locking plates are uniformly distributed on the inner wall of the protective cylinder, one side, away from the protective cylinder, of each locking plate is fixedly connected with one end of a positioning cylinder, one end, away from the locking plate, of each positioning cylinder is fixedly connected with one end of a damping spring rod, one end, away from the positioning cylinder, of each damping spring rod is fixedly connected with the side face of a connecting plate, one side, away from the damping spring rod, of each connecting plate is fixedly connected with the outer side of a damping ring, the inner, the top end of the threaded drill rod is fixedly connected with the bottom end of a drill point, the bottom end of the threaded drill rod is fixedly connected with the top end of a support rod, a locking groove ring is arranged on the surface of the support rod, the outer side of the locking groove ring is fixedly connected with the inner side of a rotary bearing frame, the outer side of the rotary bearing frame is fixedly connected with the inner side of an inner wall cylinder, the outer wall of the inner wall cylinder is slidably connected with the inner side of a sliding groove, the outer side of the sliding groove is fixedly connected with the inner side of an outer cylinder, the top end of the outer cylinder is fixedly connected with the top end of a protective cylinder, the bottom end of the protective cylinder is provided with positioning rotary bearings, two positioning rotary bearings are symmetrically distributed at the bottom end of the protective cylinder, the inner sides of the positioning rotary bearings are fixedly connected with the top end of the threaded cylinder, and the inner wall of the threaded cylinder, the bottom end of the threaded rod is fixedly connected with the top end of the connecting shaft, and the bottom end of the connecting shaft is fixedly connected with the extending shaft of the bidirectional motor.
Preferably, the outer wall of the protection cylinder is provided with positioning rings, the four positioning rings are evenly distributed on the outer wall of the main body, and through holes are formed in the inner sides of the positioning rings.
Preferably, a fixing ring is arranged in the middle of the bottom end of the protection cylinder, and the inner side of the fixing ring is connected with the outer side of the threaded drill rod in a sliding mode.
Preferably, the inner bottom end of the inner wall cylinder is provided with fixing grooves, and two fixing grooves are symmetrically distributed at the inner bottom end of the inner wall cylinder, the inner bottom ends of the fixing grooves are provided with the storage battery, and the inner sides of the fixing grooves are fixedly connected with the outer side of the bidirectional motor.
Preferably, the diameter of the protection cylinder is the same as that of the outer cylinder, and the protection cylinder and the outer cylinder are fixedly connected together.
Preferably, the bottom end of the supporting rod is fixedly connected with the top end of the threaded connecting rod.
Preferably, the outer wall of the inner wall cylinder is provided with heat dissipation windows, and the two heat dissipation windows are symmetrically distributed on the outer wall of the inner wall cylinder.
Preferably, the bottom surface of the inner wall cylinder is provided with vent holes, and the three vent holes are uniformly distributed on the bottom surface of the inner wall cylinder.
The working principle is as follows: firstly, a threaded connecting rod is arranged at the bottom end of a drill bit and is connected with a rotating device through the threaded connecting rod, secondly, two-way motors are arranged at the bottom end of the inner side of an inner wall cylinder, an extension shaft of each two-way motor is fixedly connected with the bottom end of a threaded rod, the outer wall of the threaded rod is connected with the outer wall of the threaded cylinder through threads, the top end of the threaded cylinder is fixedly connected with the inner side of a positioning rotating bearing, the top end of the positioning rotating bearing is fixedly connected with the bottom end of an outer cylinder, the top end of the outer cylinder is fixedly connected with the bottom end of a protective cylinder, a ring plate is arranged at the top end of the protective cylinder, a fixed pointed cone is arranged on the top surface of the ring plate, the threaded rod is driven to synchronously rotate through the two-way motors, the threaded cylinder is driven to ascend, the, then, when the rotating device drives the drill bit to rotate, the rotating bearing frame is matched to enable the inner wall cylinder to be in a static position, when the drill bit drills, the drill bit slowly enters, the two-way motor rotates reversely to drive the threaded rod to rotate, the threaded cylinder contracts, the protective outer cylinder is retracted, so that the drill bit can drill normally, finally, a damping ring is installed on the outer side of the threaded drill rod, the damping ring is fixedly connected with a connecting plate on the outer side, one end of the connecting plate, far away from the damping ring, is fixedly connected with one end of the damping spring rod, far away from the connecting plate, is fixedly connected with one end of the positioning cylinder, far away from the damping spring rod, is fixedly connected with the side face of the locking plate, one side of the locking plate, far away from the positioning cylinder, is fixedly connected with the inner, thereby increasing the stability of the drill bit as it rotates.
(III) advantageous effects
The invention provides a rock geological drill bit capable of reducing deviation of the drill bit. The method has the following beneficial effects:
1. this rock geology drill bit of reducible drill bit off tracking drives the threaded rod synchronous revolution through two-way motor, drives a screw thread section of thick bamboo and rises, drives the urceolus and rises, will fix the pointed cone and contact with the surface of drilling object to stability when increasing drilling prevents that the drill bit from causing the off tracking because of the object is too hard.
2. This rock geology drill bit of reducible drill bit off tracking drives the drill bit and rotates when rotary device, and the swivel bearing frame cooperates, makes an inner wall section of thick bamboo be in the quiescent position, when the drill bit drills, and the drill bit slowly gets into, and two way motor antiport drives the threaded rod and rotates, contracts a screw thread section of thick bamboo, will protect the urceolus and withdraw to make the drill bit can normally drill, carry out the protection of drill bit during operation, prevent that the drill chip of drilling from splashing.
3. This rock geology drill bit of reducible drill bit off tracking, install the damping ring through the outside at the screw drill rod, be in the same place with connecting plate fixed connection in the outside of damping ring, the one end of keeping away from the damping ring at the connecting plate is in the same place with the one end fixed connection of damping spring pole, the one end that the connecting plate was kept away from to the damping spring pole is in the same place with the one end fixed connection of a location section of thick bamboo, the one side that the location section of thick bamboo was kept away from to the lockplate is in the same place with the inner wall fixed connection of a protection section of thick bamboo, utilize two damping spring poles to mutually support with a location section of thick bamboo, thereby increase the stability when the drill.
Drawings
FIG. 1 is an overall cross-sectional view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a bottom view of the present invention;
FIG. 4 is a schematic view of a drill bit of the present invention;
FIG. 5 is an enlarged schematic view at A in FIG. 1;
fig. 6 is an enlarged schematic view of fig. 1 at B.
Wherein, 1, a main body; 2. a positioning ring; 3. a fixing ring; 4. fixing grooves; 5. a rotating bearing frame; 6. an inner wall cylinder; 7. a chute; 8. a threaded barrel; 9. positioning the rotating bearing; 10. a protective cylinder; 11. a through hole; 12. a locking plate; 13. fixing the pointed cone; 14. a shock-absorbing ring; 15. drilling a tip; 16. a ring plate; 17. an outer cylinder; 18. a threaded connecting rod; 19. a heat dissipation window; 20. a vent hole; 21. a bi-directional motor; 22. a threaded drill rod; 23. a support bar; 24. a locking groove ring; 25. a positioning cylinder; 26. a shock absorbing spring rod; 27. a connecting plate; 28. a threaded rod; 29. and (7) connecting the shafts.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
as shown in fig. 1-6, an embodiment of the invention provides a rock geological drill bit capable of reducing deviation of the drill bit, which comprises a main body 1, a protective cylinder 10 is arranged at the upper end of the main body 1, an annular plate 16 is arranged at the top end of the protective cylinder 10, a fixed pointed cone 13 is arranged on the top surface of the annular plate 16, a plurality of fixed pointed cones 13 are uniformly distributed on the top surface of the annular plate 16, a locking plate 12 is arranged on the inner wall of the protective cylinder 10, four locking plates 12 are uniformly distributed on the inner wall of the protective cylinder 10, one side of the locking plate 12 far away from the protective cylinder 10 is fixedly connected with one end of a positioning cylinder 25, one end of the positioning cylinder 25 far away from the locking plate 12 is fixedly connected with one end of a damping spring rod 26, one end of the damping spring rod 26 far away from the positioning cylinder 25 is fixedly connected with the side of a connecting plate 27, one side of the connecting plate 27, the inner side of the damping ring 14 is movably connected with the outer side of a threaded drill rod 22, the top end of the threaded drill rod 22 is fixedly connected with the bottom end of a drill point 15, the bottom end of the threaded drill rod 22 is fixedly connected with the top end of a support rod 23, a locking groove ring 24 is arranged on the surface of the support rod 23, the outer side of the locking groove ring 24 is fixedly connected with the inner side of a rotary bearing frame 5, the outer side of the rotary bearing frame 5 is fixedly connected with the inner side of an inner wall cylinder 6, the outer wall of the inner wall cylinder 6 is slidably connected with the inner side of a sliding groove 7, the outer side of the sliding groove 7 is fixedly connected with the inner side of an outer cylinder 17, the top end of the outer cylinder 17 is fixedly connected with the top end of a protective cylinder 10, the bottom end of the protective cylinder 10 is provided with two positioning rotary bearings 9, the two positioning rotary bearings 9 are symmetrically distributed at the bottom, the inner wall of the threaded cylinder 8 is fixedly connected with the outer wall of the threaded rod 28, the bottom end of the threaded rod 28 is fixedly connected with the top end of the connecting shaft 29, and the bottom end of the connecting shaft 29 is fixedly connected with the extending shaft of the bidirectional motor 21.
The outer wall of the protective cylinder 10 is provided with positioning rings 2, four positioning rings 2 are uniformly distributed on the outer wall of the main body 1, the inner sides of the positioning rings 2 are provided with through holes 11 for discharging drill cuttings during drilling, a fixing ring 3 is arranged in the middle of the bottom end of the protective cylinder 10 and used for fixing the rotation of a drill bit, the inner side of the fixing ring 3 is connected with the outer side of a threaded drill rod 22 in a sliding mode, the bottom end of the inner side of the inner wall cylinder 6 is provided with fixing grooves 4, two fixing grooves 4 are symmetrically distributed at the bottom end of the inner side of the inner wall cylinder 6, a storage battery is arranged at the bottom end of the inner side of each fixing groove 4 and used for providing power for the bidirectional motor 21, the inner sides of the fixing grooves 4 are fixedly connected with the outer side of the bidirectional motor 21 and used for fixing the bidirectional motor 21, the diameter of the protective cylinder 10 is, be convenient for connect, the outer wall of an inner wall section of thick bamboo 6 is provided with heat dissipation window 19, and two heat dissipation window 19 symmetric distributions are at the outer wall of an inner wall section of thick bamboo 6, and the bottom surface of an inner wall section of thick bamboo 6 is provided with air vent 20, and three air vent 20 evenly distributed is at the bottom surface of an inner wall section of thick bamboo 6 for increase the thermal diffusivity of main part 1 during operation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a rock geology drill bit of reducible drill bit off tracking, includes main part (1), its characterized in that: the upper end of main part (1) is provided with a protection section of thick bamboo (10), the top of protection section of thick bamboo (10) is provided with crown plate (16), the top surface of crown plate (16) is provided with fixed pointed cone (13), and a plurality of fixed pointed cone (13) evenly distributed are at the top surface of crown plate (16), the inner wall of protection section of thick bamboo (10) is provided with lockplate (12), and four lockplate (12) evenly distributed are at the inner wall of protection section of thick bamboo (10), one side that protection section of thick bamboo (10) was kept away from in lockplate (12) is in the same place with the one end fixed connection of a location section of thick bamboo (25), the one end that lockplate (12) was kept away from in location section of thick bamboo (25) be in the same place with the one end fixed connection of shock attenuation spring bar (26), the one side fixed connection of keeping away from a location section of thick bamboo (25) and connecting plate (27) is in the same place in the connecting plate (27), one side that shock attenuation spring bar (26, the inner side of the damping ring (14) is movably connected with the outer side of a threaded drill rod (22), the top end of the threaded drill rod (22) is fixedly connected with the bottom end of a drill point (15), the bottom end of the threaded drill rod (22) is fixedly connected with the top end of a supporting rod (23), a locking groove ring (24) is arranged on the surface of the supporting rod (23), the outer side of the locking groove ring (24) is fixedly connected with the inner side of a rotary bearing frame (5), the outer side of the rotary bearing frame (5) is fixedly connected with the inner side of an inner wall cylinder (6), the outer wall of the inner wall cylinder (6) is slidably connected with the inner side of a sliding groove (7), the outer side of the sliding groove (7) is fixedly connected with the inner side of an outer cylinder (17), and the top end of the outer cylinder (17) is fixedly connected with the top end of a protection cylinder (10), the bottom of a protection section of thick bamboo (10) is provided with location rotating bearing (9), and two location rotating bearing (9) symmetric distributions are in the bottom of a protection section of thick bamboo (10), the top fixed connection of the inboard of location rotating bearing (9) and screw thread section of thick bamboo (8) is in the same place, the inner wall of screw thread section of thick bamboo (8) is in the same place with the outer wall fixed connection of threaded rod (28), the bottom of threaded rod (28) is in the same place with the top fixed connection of connecting axle (29), the bottom of connecting axle (29) is in the same place with the extension axle fixed connection of two-way motor (21).
2. A rock geological drill bit capable of reducing bit deflection as claimed in claim 1, wherein: the outer wall of the protective cylinder (10) is provided with positioning rings (2), the four positioning rings (2) are evenly distributed on the outer wall of the main body (1), and through holes (11) are formed in the inner sides of the positioning rings (2).
3. A rock geological drill bit capable of reducing bit deflection as claimed in claim 1, wherein: the middle of the bottom end of the protective cylinder (10) is provided with a fixing ring (3), and the inner side of the fixing ring (3) is connected with the outer side of the threaded drill rod (22) in a sliding mode.
4. A rock geological drill bit capable of reducing bit deflection as claimed in claim 1, wherein: the inner side bottom of the inner wall cylinder (6) is provided with fixing grooves (4), the two fixing grooves (4) are symmetrically distributed at the inner side bottom of the inner wall cylinder (6), the inner side bottom of the fixing grooves (4) is provided with a storage battery, and the inner side of the fixing grooves (4) is fixedly connected with the outer side of the bidirectional motor (21).
5. A rock geological drill bit capable of reducing bit deflection as claimed in claim 1, wherein: the diameter of the protective cylinder (10) is the same as that of the outer cylinder (17), and the protective cylinder and the outer cylinder are fixedly connected together.
6. A rock geological drill bit capable of reducing bit deflection as claimed in claim 1, wherein: the bottom end of the supporting rod (23) is fixedly connected with the top end of the threaded connecting rod (18).
7. A rock geological drill bit capable of reducing bit deflection as claimed in claim 1, wherein: the outer wall of the inner wall cylinder (6) is provided with heat dissipation windows (19), and the two heat dissipation windows (19) are symmetrically distributed on the outer wall of the inner wall cylinder (6).
8. A rock geological drill bit capable of reducing bit deflection as claimed in claim 1, wherein: the bottom surface of the inner wall cylinder (6) is provided with vent holes (20), and the three vent holes (20) are uniformly distributed on the bottom surface of the inner wall cylinder (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010950198.5A CN112211563A (en) | 2020-09-11 | 2020-09-11 | Rock geology drill bit of reducible drill bit off tracking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010950198.5A CN112211563A (en) | 2020-09-11 | 2020-09-11 | Rock geology drill bit of reducible drill bit off tracking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112211563A true CN112211563A (en) | 2021-01-12 |
Family
ID=74050335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010950198.5A Pending CN112211563A (en) | 2020-09-11 | 2020-09-11 | Rock geology drill bit of reducible drill bit off tracking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112211563A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320146A (en) * | 2021-12-29 | 2022-04-12 | 南通土力机械制造有限公司 | Rotary drilling machine drill rod with positioning mechanism |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207436948U (en) * | 2017-11-21 | 2018-06-01 | 核工业二七0研究所 | A kind of geological exploration is with anti-deviation probing drill bit |
| CN209129547U (en) * | 2018-11-13 | 2019-07-19 | 平煤建工集团特殊凿井工程有限公司 | A kind of drill pipe for hard rocks structure with Telescopic protection hood |
| CN110424893A (en) * | 2019-08-15 | 2019-11-08 | 中国煤炭地质总局第一勘探局科教中心 | A kind of geological drilling anti-deviation device |
| CN210564343U (en) * | 2019-06-05 | 2020-05-19 | 张贵军 | Off tracking device is prevented with probing to rock core probing |
-
2020
- 2020-09-11 CN CN202010950198.5A patent/CN112211563A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207436948U (en) * | 2017-11-21 | 2018-06-01 | 核工业二七0研究所 | A kind of geological exploration is with anti-deviation probing drill bit |
| CN209129547U (en) * | 2018-11-13 | 2019-07-19 | 平煤建工集团特殊凿井工程有限公司 | A kind of drill pipe for hard rocks structure with Telescopic protection hood |
| CN210564343U (en) * | 2019-06-05 | 2020-05-19 | 张贵军 | Off tracking device is prevented with probing to rock core probing |
| CN110424893A (en) * | 2019-08-15 | 2019-11-08 | 中国煤炭地质总局第一勘探局科教中心 | A kind of geological drilling anti-deviation device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320146A (en) * | 2021-12-29 | 2022-04-12 | 南通土力机械制造有限公司 | Rotary drilling machine drill rod with positioning mechanism |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210112 |
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| RJ01 | Rejection of invention patent application after publication |