CN110952923A - Rock breaking equipment for petroleum drilling rock stratum - Google Patents
Rock breaking equipment for petroleum drilling rock stratum Download PDFInfo
- Publication number
- CN110952923A CN110952923A CN201911263276.8A CN201911263276A CN110952923A CN 110952923 A CN110952923 A CN 110952923A CN 201911263276 A CN201911263276 A CN 201911263276A CN 110952923 A CN110952923 A CN 110952923A
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- wall
- rock breaking
- bearing frame
- drill bit
- rock
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- 239000011435 rock Substances 0.000 title claims abstract description 90
- 238000005553 drilling Methods 0.000 title claims abstract description 31
- 239000003208 petroleum Substances 0.000 title claims description 15
- 238000013016 damping Methods 0.000 claims description 22
- 230000007246 mechanism Effects 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 25
- 230000008569 process Effects 0.000 abstract description 13
- 238000009434 installation Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 21
- 230000001681 protective effect Effects 0.000 description 11
- 239000004575 stone Substances 0.000 description 9
- 230000008901 benefit Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
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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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
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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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
-
- 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
- E21B7/002—Drilling with diversely driven shafts extending into the borehole
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
- F16F15/085—Use of both rubber and metal springs
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- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses an oil drilling rock stratum breaking device which comprises a bearing frame and an installation bar, wherein a limiting groove is formed in the surface of the upper portion of the bearing frame, a sliding groove is formed in the edge of the inner wall of the limiting groove, a sliding block is installed inside the sliding groove, a hydraulic cylinder is installed at the top end of the bearing frame, a rock breaking drill bit is installed below a driving motor, a connector is welded at the top end of the rock breaking drill bit, the installation bar is installed on the left side and the right side of the outer wall of the bearing frame respectively, a protection plate and a fixing plate are installed on the inner wall of the installation bar respectively, a fixing plate is arranged on the right side of the protection plate, a fixing groove is formed in the edge of the inner wall of the fixing plate, a. The rock breaking drill bit is convenient for a user to replace the rock breaking drill bit, so that the use working efficiency of the drill bit is excellent, and surrounding workers are protected in the rock breaking working process.
Description
Technical Field
The invention relates to the technical field of petroleum drilling rock stratum correlation, in particular to rock breaking equipment for a petroleum drilling rock stratum.
Background
The exploration for finding the oil storage block means that a special device and a special technology are used for drilling a cylindrical hole with a certain diameter downwards or on one side at a pre-selected surface position and drilling an underground oil-gas layer, so that in the process of breaking the petroleum drilling rock stratum, the petroleum drilling rock stratum breaking device is needed.
However, the currently used rock breaking equipment for the petroleum drilling rock stratum is not convenient for a user to replace the rock breaking drill bit, so that the use working efficiency of the drill bit is poor, and the rock breaking equipment does not protect surrounding workers in the rock breaking working process.
Therefore, the rock breaking equipment for the petroleum drilling rock stratum is provided.
Disclosure of Invention
The invention aims to provide rock breaking equipment for an oil drilling rock stratum, which is convenient for a user to replace a rock breaking drill bit, ensures that the use working efficiency of the drill bit is excellent, and protects surrounding workers in the rock breaking working process so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the rock breaking equipment for the petroleum drilling rock stratum comprises a bearing frame and a mounting bar, wherein the outer side wall of the bearing frame is welded with the inner side wall of the mounting bar;
the rock breaking drill comprises a bearing frame, a motor base, a driving motor, a rock breaking drill bit and a connector, wherein a limiting groove is formed in the upper surface of the bearing frame, a sliding groove is formed in the edge of the inner wall of the limiting groove, a sliding block is arranged inside the sliding groove, a hydraulic cylinder is arranged at the top end of the bearing frame, a hydraulic rod is connected to the output end of the hydraulic cylinder in a flange mode, the tail end of the hydraulic rod is welded with the motor base, the tail end of the motor base is provided with the driving motor, the rock breaking drill;
the mounting bar is installed respectively in the outer wall left and right sides of bearing frame, and the inner wall of mounting bar installs guard plate and fixed plate respectively, the right side of guard plate is provided with the fixed plate, and the inner wall edge of fixed plate has seted up the fixed slot, the end welding of guard plate has the clamp plate, and the inner wall of guard plate installs backward flow mechanism.
Under the effect of mutually supporting between spout and slider, position regulation and control to driving motor has towed effect, avoid the broken rock drill bit to take place the skew condition at the in-process of work, and be the split mode between pivot and the broken rock drill bit, convenient to use person is to the change of broken rock drill bit, in order to do benefit to the broken rock efficiency who keeps broken rock drill bit, cooperation guard plate simultaneously, the piece to the in-process production of broken rock drilling has the effect of separation, the staff around the rock has the effect of protection.
Preferably, the outer side wall of the motor base is welded with the inner wall of the sliding block, and the motor base is connected with the limiting groove in a sliding mode through the sliding block.
Under the driving action of the hydraulic cylinder, the hydraulic rod drives the driving motor to ascend and descend, the driving motor slides up and down in the sliding groove through the sliding block at the moment, the position regulation and control of the driving motor have a traction effect, and the rock breaking drill bit is prevented from deviating in the working process.
Preferably, broken rock drill bit passes through connector and pivot threaded connection, and the terminal edge of pivot has seted up the spread groove, the inner wall of spread groove is the screw thread form setting with the outer wall of connector.
Under the effect of mutually supporting between the screw thread, convenient to use person maintains the change of broken rock drill bit to do benefit to the broken rock efficiency who keeps broken rock drill bit.
Preferably, the protection plate is arranged in a corrugated shape, and the maximum telescopic length of the protection plate is greater than the length of the bearing frame.
The protection plate is arranged in a corrugated mode, so that a user can conveniently stretch and fold the protection plate, the protection plate also has a blocking effect on debris generated in the rock breaking and drilling process, and the protection plate has a protection effect on workers around rocks.
Preferably, the inner wall welding of clamp board has the clamp strip, and is the one-to-one setting between clamp strip and the fixed slot.
Under the effect of mutually supporting between clamp strip and the fixed slot, fix the guard plate after extending certain length, avoid the drill bit to take place the condition of droing at the in-process guard plate of work.
Preferably, the backflow mechanism comprises a spring base, a damping spring and elastic sponge, the damping spring is welded on the inner wall of the spring base, and the elastic sponge is welded on the inner wall of the damping spring.
Damping spring can take place elastic deformation receiving the in-process of collision, has the effect of shock attenuation buffering to the impact force of rubble at the in-process of drilling to do benefit to the life of extension guard plate.
Preferably, be connected for the draw-in groove between damping spring and the guard plate, and damping spring's the outer wall left and right sides is the bulge form design, the terminal edge left and right sides of guard plate is the fluting setting, and spring base and elastic sponge are the setting of convex structure.
The broken stone that hits on the elastic sponge falls smoothly to convex setting to cooperation elastic sponge avoids too big broken stone of elasticity to cause to pound the damage condition to mechanical equipment's outer wall, cooperation lug and tongue, convenient to use person is to the installation between backward flow mechanism and the guard plate.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, by arranging the motor base and the sliding block, under the driving action of the hydraulic cylinder, the hydraulic rod drives the driving motor to lift up and down, at the moment, the driving motor slides up and down in the sliding groove through the sliding block, the position regulation and control of the driving motor have a traction effect, the rock breaking drill bit is prevented from being deviated in the working process, and under the action of mutual matching of threads, a user can conveniently replace and maintain the rock breaking drill bit, so that the rock breaking efficiency of the rock breaking drill bit can be maintained;
2. according to the rock breaking and drilling protective plate, the protective plate is arranged, the protective plate can be conveniently stretched and folded by a user due to the fact that the protective plate is arranged in a corrugated shape, the protective plate also has a blocking effect on fragments generated in the rock breaking and drilling process, and has a protective effect on workers around rocks, and under the mutual matching effect between the hoop strips and the fixing grooves, the protective plate stretched to a certain length is fixed, so that the protective plate is prevented from falling off in the working process of a drill bit;
3. according to the invention, by arranging the backflow mechanism, the damping spring can be elastically deformed in the collision process, the damping spring has a damping and buffering effect on the impact force of the broken stones in the drilling process so as to be beneficial to prolonging the service life of the protection plate, the spring base and the elastic sponge are both in the shape of a circular arc and are arranged to smoothly fall the broken stones colliding on the elastic sponge, the broken stones are prevented from smashing and damaging the outer wall of mechanical equipment due to the broken stones with overlarge elasticity by matching with the elastic sponge, and a user can conveniently install the backflow mechanism and the protection plate by matching with the convex blocks and the convex grooves.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the working structure of the fender of the present invention;
FIG. 3 is a schematic structural diagram of a reflow mechanism of the present invention;
FIG. 4 is an enlarged view of the portion A of FIG. 1 according to the present invention.
In the figure: 1. a load-bearing frame; 2. a limiting groove; 3. a chute; 4. a slider; 5. a hydraulic cylinder; 6. a hydraulic lever; 7. a motor base; 8. a drive motor; 9. a rotating shaft; 10. a rock breaking drill bit; 11. a connector; 12. connecting grooves; 13. mounting a bar; 14. a protection plate; 15. a fixing plate; 16. fixing grooves; 17. a clamp plate; 18. a clamp strip; 19. a reflux mechanism; 1901. a spring base; 1902. a damping spring; 1903. an elastic sponge.
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.
Referring to fig. 1-4, the present invention provides a technical solution: an oil drilling rock breaking device comprises a bearing frame 1 and a mounting bar 13, wherein the outer side wall of the bearing frame 1 is welded with the inner side wall of the mounting bar 13;
as shown in fig. 1 and 4, a limiting groove 2 is formed in the upper surface of a bearing frame 1, a sliding groove 3 is formed in the edge of the inner wall of the limiting groove 2, a sliding block 4 is installed inside the sliding groove 3, a hydraulic cylinder 5 is installed at the top end of the bearing frame 1, a hydraulic rod 6 is connected to the output end of the hydraulic cylinder 5 in a flange mode, a motor base 7 is welded at the tail end of the hydraulic rod 6, a driving motor 8 is installed at the tail end of the motor base 7, a rock breaking drill 10 is installed below the driving motor 8, and a connector 11 is welded at the top end of the rock breaking drill 10;
the mounting bar 13 is installed respectively in the outer wall left and right sides of bearing frame 1, and guard plate 14 and fixed plate 15 are installed respectively to the inner wall of mounting bar 13, and the right side of guard plate 14 is provided with fixed plate 15, and fixed slot 16 has been seted up at the inner wall edge of fixed plate 15, and the end welding of guard plate 14 has hoop board 17, and the inner wall of guard plate 14 installs backward flow mechanism 19.
Through adopting above-mentioned technical scheme, under the effect of mutually supporting between spout 3 and slider 4, position regulation and control to driving motor 8 has towed effect, avoid broken rock drill bit 10 to take place the skew condition at the in-process of work, and be the split mode between pivot 9 and the broken rock drill bit 10, convenient to use person is to the change of broken rock drill bit 10, in order to do benefit to the broken rock efficiency who keeps broken rock drill bit 10, cooperation guard plate 14 simultaneously, the piece that the in-process that produces to broken rock drilling has the effect of separation, the staff around the rock has the effect of protection.
Specifically, as shown in fig. 1, the outer side wall of the motor base 7 is welded to the inner wall of the slider 4, and the motor base 7 is slidably connected to the limiting groove 2 through the slider 4.
Through adopting above-mentioned technical scheme, under the drive action of pneumatic cylinder 5, hydraulic stem 6 drives driving motor 8 oscilaltion, and driving motor 8 slides from top to bottom in the inside of spout 3 through slider 4 this moment, has towed effect to driving motor 8's position regulation and control, and when using the device, avoid broken rock drill 10 to take place the skew at the in-process of work.
Specifically, as shown in fig. 4, the rock breaking drill 10 is in threaded connection with the rotating shaft 9 through a connector 11, a connecting groove 12 is formed in the edge of the tail end of the rotating shaft 9, and the inner wall of the connecting groove 12 and the outer wall of the connector 11 are both in threaded arrangement.
Through adopting above-mentioned technical scheme, under the effect of mutually supporting between the screw thread, convenient to use person maintains the change of broken rock drill bit 10 to when using the device, to do benefit to the broken rock efficiency who keeps broken rock drill bit 10.
Specifically, as shown in fig. 2, the protection plate 14 is arranged in a corrugated shape, and the maximum extension length of the protection plate 14 is greater than the length of the bearing frame 1.
Through adopting above-mentioned technical scheme, the setting of guard plate 14 fold form can be convenient for the user to the extension and the folding of guard plate 14 to guard plate 14 also has the effect of separation to the piece that broken rock drilling's in-process produced, when using the device, has the effect of protection to the staff around the rock.
Specifically, as shown in fig. 2, the clip strips 18 are welded to the inner wall of the clip plate 17, and the clip strips 18 and the fixing grooves 16 are arranged in a one-to-one correspondence.
Through adopting above-mentioned technical scheme, under the effect of mutually supporting between clamp strip 18 and fixed slot 16, fix the guard plate 14 after extending certain length, when using the device, avoid the drill bit to take place the condition of droing at the in-process guard plate 14 of work.
Specifically, as shown in fig. 3, the backflow mechanism 19 includes a spring base 1901, a damping spring 1902, and an elastic sponge 1903, wherein the damping spring 1902 is welded to an inner wall of the spring base 1901, and the elastic sponge 1903 is welded to an inner wall of the damping spring 1902.
Through adopting above-mentioned technical scheme, damping spring 1902 can take place elastic deformation receiving the in-process of colliding, has the effect of shock attenuation buffering to the impact force of rubble at the in-process of drilling, during the use the device to do benefit to the service life of extension guard plate 14.
Specifically, as shown in fig. 3, the damping spring 1902 and the protection plate 14 are connected by a clamping groove, the left and right sides of the outer wall of the damping spring 1902 are both designed in a convex shape, the left and right sides of the end edge of the protection plate 14 are both arranged in a slotted manner, and the spring base 1901 and the elastic sponge 1903 are both arranged in an arc-shaped structure.
Through adopting above-mentioned technical scheme, the broken stone that the convex setting collided on elastic sponge 1903 falls smoothly to cooperation elastic sponge 1903 avoids too big broken stone of elasticity to cause the condition of pounding the damage to mechanical equipment's outer wall, and when using the device, cooperation lug and tongue, convenient to use person is to the installation between return mechanism 19 and the guard plate 14.
The working principle is as follows: firstly, the hydraulic cylinder 5 and the driving motor 8 are both communicated with an external power supply, then the connector 11 at the top end of the rock breaking drill 10 is embedded into the connecting groove 12 arranged at the edge of the tail end of the rotating shaft 9, then the rock breaking drill 10 is rotated clockwise, at the moment, under the mutual matching action between threads, the rotating shaft 9 and the rock breaking drill 10 can be firmly connected, then the protective plate 14 is stretched due to the fold-shaped arrangement of the protective plate 14, until the hoop strip 18 on the inner wall of the hoop plate 17 at the tail end of the protective plate 14 is completely embedded into the fixing groove 16 arranged at the edge of the inner wall of the fixed plate 15, at the moment, the mounting hole arranged on the surface of the fixed plate 15 is superposed with the mounting hole arranged on the surface of the hoop strip 18, then the screw is embedded into the mounting hole, the fixing plate 15 and the hoop plate 17 can be firmly connected, then the power switches of the hydraulic cylinder 5 and the driving motor 8 are opened, at the moment, the motor base 7 and the driving motor 8 both slide downwards slowly in the sliding groove 3 through the sliding block 4, the rock breaking drill bit 10 at the tail end of the rotating shaft 9 is in contact with the surface of the rock, meanwhile, the rotating shaft 9 drives the rock breaking drill bit 10 to rotate, the depth of a rock drill hole of the rock can be matched with the arrangement of the hydraulic cylinder 5, and finally the backflow mechanism 19 has a damping and buffering effect on the impact force of broken stones in the drilling process so as to be beneficial to prolonging the service life of the protection plate 14, wherein the model of the hydraulic cylinder 5 is CDM2B25, and the model of the driving motor 8 is YE2-132S-4, so that the use process of the petroleum drilling rock stratum rock breaking equipment is completed.
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 (7)
1. An oil drilling rock stratum broken rock equipment which characterized in that: the mounting structure comprises a bearing frame (1) and a mounting bar (13), wherein the outer side wall of the bearing frame (1) is welded with the inner side wall of the mounting bar (13);
the rock breaking drill bit is characterized in that a limiting groove (2) is formed in the surface of the upper portion of the bearing frame (1), a sliding groove (3) is formed in the edge of the inner wall of the limiting groove (2), a sliding block (4) is installed inside the sliding groove (3), a hydraulic cylinder (5) is installed at the top end of the bearing frame (1), a hydraulic rod (6) is connected to the output end of the hydraulic cylinder (5) in a flange mode, a motor base (7) is welded to the tail end of the hydraulic rod (6), a driving motor (8) is installed at the tail end of the motor base (7), a rock breaking drill bit (10) is installed below the driving motor (8), and a connector (11) is welded to the top;
install respectively in the outer wall left and right sides of bearing frame (1) mounting bar (13), and the inner wall of mounting bar (13) installs guard plate (14) and fixed plate (15) respectively, the right side of guard plate (14) is provided with fixed plate (15), and the inner wall edge of fixed plate (15) has seted up fixed slot (16), the end welding of guard plate (14) has clamp plate (17), and the inner wall of guard plate (14) installs backward flow mechanism (19).
2. The petroleum drilling rock breaking device as claimed in claim 1, wherein: the outer side wall of the motor base (7) is welded with the inner wall of the sliding block (4), and the motor base (7) is connected with the limiting groove (2) in a sliding mode through the sliding block (4).
3. The petroleum drilling rock breaking device as claimed in claim 1, wherein: broken rock drill bit (10) are through connector (11) and pivot (9) threaded connection, and the terminal edge of pivot (9) has seted up spread groove (12), the inner wall of spread groove (12) is the screw thread form setting with the outer wall of connector (11).
4. The petroleum drilling rock breaking device as claimed in claim 1, wherein: the protection plate (14) is arranged in a corrugated shape, and the maximum telescopic length of the protection plate (14) is larger than that of the bearing frame (1).
5. The petroleum drilling rock breaking device as claimed in claim 1, wherein: the inner wall welding of clamp board (17) has clamp strip (18), and is the one-to-one setting between clamp strip (18) and fixed slot (16).
6. The petroleum drilling rock breaking device as claimed in claim 1, wherein: the backflow mechanism (19) comprises a spring base (1901), a damping spring (1902) and an elastic sponge (1903), the damping spring (1902) is welded to the inner wall of the spring base (1901), and the elastic sponge (1903) is welded to the inner wall of the damping spring (1902).
7. The apparatus of claim 6, wherein: be connected for the draw-in groove between damping spring (1902) and guard plate (14), and the outer wall left and right sides of damping spring (1902) is the bulge form design, the terminal edge left and right sides of guard plate (14) is the slot type setting, and spring base (1901) and elastic sponge (1903) are the setting of arc structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911263276.8A CN110952923B (en) | 2019-12-11 | 2019-12-11 | Rock breaking equipment for petroleum drilling rock stratum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911263276.8A CN110952923B (en) | 2019-12-11 | 2019-12-11 | Rock breaking equipment for petroleum drilling rock stratum |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110952923A true CN110952923A (en) | 2020-04-03 |
| CN110952923B CN110952923B (en) | 2022-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911263276.8A Active CN110952923B (en) | 2019-12-11 | 2019-12-11 | Rock breaking equipment for petroleum drilling rock stratum |
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| Country | Link |
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| CN (1) | CN110952923B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879007A (en) * | 2021-03-15 | 2021-06-01 | 吕梁学院 | Rock breaking device for mine |
| CN113027449A (en) * | 2021-04-26 | 2021-06-25 | 北京中海兴达建设有限公司 | Rock stratum drilling and excavating equipment and excavation crushed material cleaning method thereof |
| CN113638695A (en) * | 2021-10-14 | 2021-11-12 | 东营金昱技术开发有限公司 | Drilling equipment for oil development with protection processing function |
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| CN110952923B (en) | 2022-05-03 |
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