CN110761722A - Drilling tool automatic swing pipe moving device matched with drilling machine - Google Patents
Drilling tool automatic swing pipe moving device matched with drilling machine Download PDFInfo
- Publication number
- CN110761722A CN110761722A CN201911144281.7A CN201911144281A CN110761722A CN 110761722 A CN110761722 A CN 110761722A CN 201911144281 A CN201911144281 A CN 201911144281A CN 110761722 A CN110761722 A CN 110761722A
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- rotary table
- oil cylinder
- drilling machine
- leveling
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- 238000005553 drilling Methods 0.000 title claims abstract description 57
- 230000033001 locomotion Effects 0.000 claims abstract description 14
- 210000000078 claw Anatomy 0.000 claims description 6
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 1
- 241000282414 Homo sapiens Species 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
-
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
- E21B19/146—Carousel systems, i.e. rotating rack systems
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- 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 discloses an automatic swing pipe moving device of a drilling tool matched with a drilling machine, which comprises a base, wherein a lower rotary table is hung and mounted on the base through a bearing, an outer shaft is fixedly mounted at the center of the lower rotary table, and an upper rotary table is fixedly mounted at the upper end of the outer shaft; a circle of drill rod grooves are formed in the lower rotary table along the circumferential direction, and a circle of open grooves are formed in the upper rotary table corresponding to the drill rod grooves in the lower rotary table; an inner shaft is coaxially arranged in the outer shaft, the lower end of the inner shaft is fixedly connected with the base, and the upper rotary disc is hung on the inner shaft through a bearing. The automatic swinging pipe moving device of the drilling tool matched with the drilling machine has the advantages of simple structure, small volume and convenient transportation and installation. The whole profile is cylindrical, and the drilling machine can be directly installed on a drilling machine base without independent transportation. The movement in the process of moving the swing pipe is simple, and the working reliability is high. Except that the lower rotary table needs to rotate, other actions are linear motion, and the drill rod can be pushed outwards without complex motion. The ratchet mechanism drives the turntable to rotate, so that the transmission efficiency is high and the work is stable.
Description
Technical Field
The invention relates to the field of mechanical automation, in particular to an automatic swinging pipe moving device for a drilling tool matched with a drilling machine.
Background
The drilling operation is widely applied to the industries such as geological survey, environmental sampling, site restoration, industrial and civil construction and the like. During drilling, the movement and discharge of drill rods during tripping in and tripping out of the well is always a labor-intensive and high risk factor operation. The most primitive drill pipe movement and racking operations were performed by drillers, gradually replaced with semi-automatic and fully automatic pipe shifting systems as technology advanced. The application of the swing pipe moving system in well drilling improves the drilling efficiency and safety, and is beneficial to reducing the construction cost.
The conventional drill rod pipe moving and placing system is mainly developed for a drilling machine with large drilling depth (more than or equal to 1000 meters) such as petroleum, geology and the like, has the defects of large volume, complex system, poor reliability and the like, and is blank at present for a drill rod pipe moving and placing system matched with an automatic sampling drilling machine for shallow sedimentary strata.
Disclosure of Invention
Aiming at the defects and shortcomings in the prior art, the invention aims to provide the automatic swinging pipe device of the drilling machine matched with the drilling machine, which has a compact structure and flexible movement and is suitable for being applied to the shallow drilling working condition.
The purpose of the invention is realized by the following technical scheme:
an automatic swinging pipe moving device of a drilling tool matched with a drilling machine comprises a base, wherein a lower rotary table is mounted on the base in a hanging mode through a bearing, an outer shaft is fixedly mounted in the center of the lower rotary table, and an upper rotary table is fixedly mounted at the upper end of the outer shaft; a circle of drill rod grooves are formed in the lower rotary table along the circumferential direction, and a circle of open grooves are formed in the upper rotary table corresponding to the drill rod grooves in the lower rotary table; an inner shaft is coaxially arranged in the outer shaft, the lower end of the inner shaft is fixedly connected with the base, and the upper rotary disc is hung on the inner shaft through a bearing.
Preferably, the ratchet wheel driving structure comprises a ratchet wheel, a pawl and a driving lever oil cylinder, the ratchet wheel is coaxially and fixedly installed below the lower rotary table, the pawl is installed on one side of the ratchet wheel through a pin in a rotating mode, one end of the pawl is in contact with the ratchet on the ratchet wheel, the other end of the pawl is hinged to a piston rod of the driving lever oil cylinder, the pawl is driven to rotate through reciprocating motion of the piston rod, and then the ratchet wheel is driven to rotate around the axis of the ratchet wheel.
Preferably, still include the dead man structure, the dead man structure includes dead man hydro-cylinder and flexible arm, flexible arm passes through flange joint in the upper end of interior axle, the mount pad fixed connection of dead man hydro-cylinder is on flexible arm, the piston rod of dead man hydro-cylinder and the expansion end fixed connection of flexible arm.
Preferably, still include the push rod structure, the push rod structure includes the push rod hydro-cylinder, push rod hydro-cylinder fixed mounting is on the activity end of flexible arm, the axis of push rod hydro-cylinder is perpendicular with the axis of flexible arm.
Preferably, the device further comprises a clamping structure, the clamping structure comprises a clamping seat, a clamping oil cylinder, clamping pincers and a connecting rod, and one end of the clamping seat is fixedly connected to the end part of a piston rod of the push rod oil cylinder; the clamping pliers comprise two clamping arms which are symmetrically arranged at the other end of the clamping seat, and the clamping claws are hinged on the clamping seat through pins; a cylinder seat of the clamping oil cylinder is arranged on the clamping seat, a piston rod of the clamping seat is hinged with two connecting rods, and the two connecting rods are respectively hinged with a part of the clamping claw far away from the jaw; the piston of the piston rod of the clamping oil cylinder moves to drive the connecting rod to move synchronously, and the connecting rod pushes and pulls the clamping jaws to do lever motion around the hinged joint of the clamping jaws and the clamping seat, so that the jaw of the clamp is driven to be enlarged or reduced.
Preferably, the leveling device further comprises a leveling structure, wherein the leveling structure comprises a guide groove, leveling bolts, a leveling spring, a spring retainer ring, a ball and a raceway, the guide groove is an annular groove protruding out of the upper surface of the base, the spring retainer ring is laid on the bottom surface of the guide groove, at least three penetrating threaded holes are uniformly formed in the bottom surface of the guide groove, one leveling bolt is assembled corresponding to each threaded hole, and the leveling bolts penetrate into the threaded holes from the lower side of the threaded holes to be in contact fit with the lower surface of the spring retainer ring; a leveling spring is sleeved in the annular groove, a roller path is supported above the leveling spring, and balls are filled in the roller path; the ball is matched with the ratchet wheel above the ball in a rolling way.
Preferably, the base is provided with a hollow cavity, and a leveling window is formed in the cavity wall of the base corresponding to the position of each leveling bolt.
Preferably, the device further comprises a mast, the mast is arranged on one side of the lower rotating disc, and an upper rotating disc retaining ring is arranged on the mast.
Preferably, the upper turntable retainer ring is coaxially sleeved on the periphery of the upper turntable, and a notch larger than an open slot on the upper turntable is formed in the upper turntable retainer ring.
Compared with the prior art, the embodiment of the invention at least has the following advantages:
firstly, the drilling tool automatic swinging pipe moving device matched with the drilling machine is simple in structure, small in size and convenient to transport and install. The whole profile is cylindrical, and the drilling machine can be directly installed on a drilling machine base without independent transportation.
Secondly, move the pendulum pipe in-process and move simple action, the reliable degree of work is high. Except that the lower rotary table needs to rotate, other actions are linear motion, and the drill rod can be pushed outwards without complex motion. The ratchet mechanism drives the turntable to rotate, so that the transmission efficiency is high and the work is stable.
Thirdly, leveling through the leveling structure is simple to operate and good in leveling effect. The lower rotary table can be quickly adjusted to a relatively horizontal position through the leveling structure, and the butt joint precision is guaranteed.
Drawings
FIG. 1 is a schematic structural diagram of an automatic pipe shifting and swinging device of a drilling tool matched with the drilling machine of the invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
FIG. 4 is an enlarged view of a portion of FIG. 1 at C;
FIG. 5 is a cross-sectional view of a structure corresponding to section A in FIG. 2;
FIG. 6 is a cross-sectional view of a structure corresponding to portion B of FIG. 3;
FIG. 7 is a cross-sectional view of a structure corresponding to section C of FIG. 4;
FIG. 8 is a cross-sectional view taken along line D-D of FIG. 5;
fig. 9 is a sectional view taken along line E-E in fig. 6.
Reference numerals: 1. a base; 2. a lower turntable; 3. an outer shaft; 4. an upper turntable; 5. a drill pipe groove; 6. an open slot; 7. an inner shaft; 8. a ratchet wheel; 9. a pawl; 10. a deflector rod oil cylinder; 11. a pull rod oil cylinder; 12. a telescopic arm; 13. a push rod cylinder; 14. a clamping seat; 15. clamping the oil cylinder; 16. a clamp arm; 17. a connecting rod; 18. a guide groove; 19. leveling bolts; 20. a leveling spring; 21. a spring collar; 22. a ball bearing; 23. a raceway; 24. leveling the window; 25. a mast; 26. an upper rotating disc retainer ring; 27. a notch; 28. a drill stem; 29. and a power head.
Detailed Description
The present invention will be described in further detail with reference to the following examples and figures 1-9, which are illustrative and not limiting, and the scope of the present invention is not limited thereto.
An automatic swinging pipe moving device of a drilling tool matched with a drilling machine comprises a base 1, wherein a lower rotary table 2 is mounted on the base 1 in a hanging mode through a bearing, an outer shaft 3 is fixedly mounted at the center of the lower rotary table 2, and an upper rotary table 4 is fixedly mounted at the upper end of the outer shaft 3; a circle of drill rod grooves 5 are formed in the lower rotary table 2 along the circumferential direction, and a circle of open grooves 6 are formed in the upper rotary table 4 corresponding to the drill rod grooves 5 in the lower rotary table 2; an inner shaft 7 is coaxially arranged in the outer shaft 3, the lower end of the inner shaft 7 is fixedly connected with the base 1, and the upper rotary disk 4 is hung on the inner shaft 7 through a bearing.
In order to drive the lower rotary table 2 to rotate, the ratchet wheel driving structure comprises a ratchet wheel 8, a pawl 9 and a driving lever oil cylinder 10, the ratchet wheel 8 is coaxially and fixedly installed below the lower rotary table 2, the pawl 9 is installed on one side of the ratchet wheel 8 through a pin in a rotating mode, one end of the pawl 9 is in contact with a ratchet on the ratchet wheel 8, the other end of the pawl is hinged to a piston rod of the driving lever oil cylinder 10, the pawl 9 is driven to rotate through reciprocating motion of the piston rod, and then the ratchet wheel 8 is driven to rotate around the axis of the ratchet wheel.
In order to pull out the drill rod 28 from the drill rod groove 5 of the lower rotary table 2, the drill rod pulling device further comprises a pull rod structure, wherein the pull rod structure comprises a pull rod oil cylinder 11 and a telescopic arm 12, the telescopic arm 12 is connected to the upper end of the inner shaft 7 through a flange, a mounting seat of the pull rod oil cylinder 11 is fixedly connected to the telescopic arm 12, and a piston rod of the pull rod oil cylinder 11 is fixedly connected with the movable end of the telescopic arm 12.
In order to push the pulled drill rod 28 out of the corresponding areas of the lower rotary table 2 and the upper rotary table 4, the push rod structure comprises a push rod oil cylinder 13, the push rod oil cylinder 13 is fixedly installed on the movable end of the telescopic arm 12, and the axis of the push rod oil cylinder 13 is perpendicular to the axis of the telescopic arm 12.
In order to hold the drill rod 28, the device further comprises a clamping structure, wherein the clamping structure comprises a clamping seat 14, a clamping oil cylinder 15, a clamping clamp and a connecting rod 17, and one end of the clamping seat 14 is fixedly connected with the end part of a piston rod of the push rod oil cylinder 13; the clamping pliers comprise two clamping arms 16, the clamping arms 16 are symmetrically arranged at the other end of the clamping seat 14, and clamping claws are hinged on the clamping seat 14 through pins; a cylinder seat of the clamping cylinder 15 is arranged on the clamping seat 14, a piston rod of the clamping seat 14 is hinged with two connecting rods 17, and the two connecting rods 17 are respectively hinged with a part of a clamping claw, which is far away from the jaw; the piston of the piston rod of the clamping cylinder 15 moves to drive the connecting rod 17 to move synchronously, and the connecting rod pushes and pulls the clamping jaws to do lever motion around the hinged joint of the clamping jaws and the clamping seat 14, so as to drive the jaw opening of the clamping device to be enlarged or reduced.
In order to ensure the integral levelness of the drill rod 28, the drill rod leveling device further comprises a leveling structure, wherein the leveling structure comprises a guide groove 18, leveling bolts 19, a leveling spring 20, a spring retainer ring 21, balls 22 and a roller path 23, the guide groove 18 is an annular groove protruding out of the upper surface of the base 1, the spring retainer ring 21 is laid on the bottom surface of the guide groove 18, at least three penetrating threaded holes are uniformly formed in the bottom surface of the guide groove 18, one leveling bolt 19 is assembled corresponding to each threaded hole, and the leveling bolts 19 penetrate into the threaded holes from the lower side of the threaded holes to be in contact fit with the lower surface of the spring retainer; a leveling spring 20 is sleeved in the annular groove, a roller path 23 is supported above the leveling spring 20, and balls 22 are filled in the roller path 23; the balls 22 are in rolling engagement with the ratchet 8 above. The leveling bolts 19 in this embodiment are provided in three. When leveling, the purpose of adjusting the level of the lower rotary table 2 is achieved by adjusting the depth of the three leveling bolts 19 relative to the threaded holes. The corresponding leveling bolts 19 jack up the spring retainer rings 21 at the corresponding parts locally, the leveling springs 20 above the spring retainer rings 21 increase the force applied to the upper raceway 23 until the upper raceway 23 is jacked up, and the three leveling bolts 19 are matched to achieve the leveling purpose.
Specifically, in order to adjust the leveling bolts 19, a hollow cavity is processed on the base 1, and a leveling window 24 is opened on the cavity wall of the base 1 corresponding to the position of each leveling bolt 19.
In order to prevent the drill rod 28 from being pulled out of the open slot 6 of the upper rotary table 4, the drill rod further comprises a mast 25, the mast 25 is arranged at one side of the lower rotary table 2, and an upper rotary table retaining ring 26 is arranged on the mast 25.
In order to ensure that the drill rod 28 can be smoothly taken out of the upper rotary disc 4, the upper rotary disc retainer ring 26 is coaxially sleeved on the periphery of the upper rotary disc 4, and a gap 27 larger than the open groove 6 on the upper rotary disc 4 is formed in the upper rotary disc retainer ring 26.
The pipe moving and swinging process of the automatic pipe moving and swinging device of the drilling tool matched with the drilling machine is as follows:
the drilling machine is matched with a drilling tool automatic swinging pipe device to place a drilling rod 28 in a drilling rod groove 5 of the lower rotary table 2 and an opening groove 6 of the upper rotary table 4, the rotation of the swinging pipe system is realized through a ratchet wheel driving mechanism, and the driving rod oil cylinder 10 drives the pawl 9 to swing around a pin to drive the lower rotary table 2, the upper rotary table 4 and the drilling rod 28 to rotate simultaneously.
When the target drill rod 28 rotates to the notch 27 of the upper rotary table retainer ring 26, the rotation is stopped, the push rod oil cylinder 13 is properly pushed out to enable the clamping pincers to move towards the target drill rod 28, and meanwhile, the clamping pincers clamp the drill rod 28 through the clamping oil cylinder 15.
When the clamping pliers clamp the drill rod 28, the pulling rod cylinder 11 is pushed out, so that the movable end of the telescopic arm 12 and the drill rod 28 move upwards simultaneously, and the drill rod 28 is pulled out of the drill rod groove 5 of the lower rotary table 2.
When the rod pulling cylinder 11 drives the movable end of the telescopic arm 12 and the drill rod 28 to reach a preset height, the push rod cylinder 13 is continuously pushed out to enable the axis of the drill rod 28 to be overlapped with the axis of the power head 29 of the drill rod 28 to be installed. The power head 29 is now moved down the mast 25 while the output shaft of the power head 29 is rotated to complete the connection of the drill rod 28.
After connection is completed, the clamping pliers are loosened to withdraw the push rod oil cylinder 13, the pull rod oil cylinder 11 is withdrawn to complete one-time pipe moving and swinging action, and the lower rotary table 2, the upper rotary table 4 and the drill rod 28 are rotated through the ratchet wheel 8 driving mechanism to move and swing pipes for the next time.
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 changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. An automatic swinging pipe moving device of a drilling tool matched with a drilling machine is characterized by comprising a base, wherein a lower rotary table is hung and mounted on the base through a bearing, an outer shaft is fixedly mounted at the center of the lower rotary table, and an upper rotary table is fixedly mounted at the upper end of the outer shaft; a circle of drill rod grooves are formed in the lower rotary table along the circumferential direction, and a circle of open grooves are formed in the upper rotary table corresponding to the drill rod grooves in the lower rotary table; an inner shaft is coaxially arranged in the outer shaft, the lower end of the inner shaft is fixedly connected with the base, and the upper rotary disc is hung on the inner shaft through a bearing.
2. The automatic swinging pipe moving device of the drilling tool matched with the drilling machine as claimed in claim 1, which is characterized by further comprising a ratchet wheel driving structure, wherein the ratchet wheel driving structure comprises a ratchet wheel, a pawl and a shifting rod oil cylinder, the ratchet wheel is coaxially and fixedly arranged below the lower rotary table, the pawl is rotatably arranged on one side of the ratchet wheel through a pin, one end of the pawl is contacted with the ratchet on the ratchet wheel, the other end of the pawl is hinged with a piston rod of the shifting rod oil cylinder, and the pawl is driven to rotate through the reciprocating motion of the piston rod, so that the ratchet wheel is driven to rotate around.
3. The automatic pipe shifting and swinging device for the drilling tool matched with the drilling machine as claimed in claim 2, further comprising a pulling rod structure, wherein the pulling rod structure comprises a pulling rod oil cylinder and a telescopic arm, the telescopic arm is connected to the upper end of the inner shaft through a flange, a mounting seat of the pulling rod oil cylinder is fixedly connected to the telescopic arm, and a piston rod of the pulling rod oil cylinder is fixedly connected with the movable end of the telescopic arm.
4. The automatic swinging pipe moving device for the drilling tool matched with the drilling machine as claimed in claim 3, further comprising a push rod structure, wherein the push rod structure comprises a push rod oil cylinder, the push rod oil cylinder is fixedly arranged on the movable end of the telescopic arm, and the axis of the push rod oil cylinder is perpendicular to the axis of the telescopic arm.
5. The automatic swinging pipe moving device of the drilling tool matched with the drilling machine as claimed in claim 4, which is characterized by further comprising a clamping structure, wherein the clamping structure comprises a clamping seat, a clamping oil cylinder, clamping pincers and a connecting rod, and one end of the clamping seat is fixedly connected to the end part of a piston rod of the push rod oil cylinder; the clamping pliers comprise two clamping arms which are symmetrically arranged at the other end of the clamping seat, and the clamping claws are hinged on the clamping seat through pins; a cylinder seat of the clamping oil cylinder is arranged on the clamping seat, a piston rod of the clamping seat is hinged with two connecting rods, and the two connecting rods are respectively hinged with a part of the clamping claw far away from the jaw; the piston of the piston rod of the clamping oil cylinder moves to drive the connecting rod to move synchronously, and the connecting rod pushes and pulls the clamping jaws to do lever motion around the hinged joint of the clamping jaws and the clamping seat, so that the jaw of the clamp is driven to be enlarged or reduced.
6. The automatic pipe shifting and swinging device of the drilling tool matched with the drilling machine as claimed in claim 2, further comprising a leveling structure, wherein the leveling structure comprises a guide groove, leveling bolts, a leveling spring, a spring retainer ring, balls and a raceway, the guide groove is an annular groove protruding out of the upper surface of the base, the spring retainer ring is laid on the bottom surface of the guide groove, at least three threaded holes penetrating through are uniformly formed in the bottom surface of the guide groove, one leveling bolt is assembled corresponding to each threaded hole, and the leveling bolts penetrate through the threaded holes from the lower side of the threaded holes to be in contact fit with the lower surface of the spring retainer ring; a leveling spring is sleeved in the annular groove, a roller path is supported above the leveling spring, and balls are filled in the roller path; the ball is matched with the ratchet wheel above the ball in a rolling way.
7. The automatic pipe shifting device for the drilling tool matched with the drilling machine as claimed in claim 6, wherein the base is provided with a hollow cavity, and a leveling window is formed on the wall of the base corresponding to the position of each leveling bolt.
8. The automatic swinging pipe device of the drilling tool matched with the drilling machine as claimed in claim 1, further comprising a mast, wherein the mast is arranged at one side of the lower rotating disc, and an upper rotating disc retainer ring is arranged on the mast.
9. The automatic swinging pipe shifting device for the drilling tool matched with the drilling machine as claimed in claim 8, wherein the upper turntable retainer ring is coaxially sleeved on the periphery of the upper turntable, and the upper turntable retainer ring is provided with a notch larger than an open slot on the upper turntable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911144281.7A CN110761722A (en) | 2019-11-20 | 2019-11-20 | Drilling tool automatic swing pipe moving device matched with drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911144281.7A CN110761722A (en) | 2019-11-20 | 2019-11-20 | Drilling tool automatic swing pipe moving device matched with drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110761722A true CN110761722A (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911144281.7A Pending CN110761722A (en) | 2019-11-20 | 2019-11-20 | Drilling tool automatic swing pipe moving device matched with drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110761722A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305769A (en) * | 2020-03-23 | 2020-06-19 | 四川共拓岩土科技股份有限公司 | Safe automatic advance and retreat drilling rod device |
| CN113068521A (en) * | 2021-03-01 | 2021-07-06 | 中央储备粮泉州直属库有限公司 | Pipe pulling device of grain storage bin |
-
2019
- 2019-11-20 CN CN201911144281.7A patent/CN110761722A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305769A (en) * | 2020-03-23 | 2020-06-19 | 四川共拓岩土科技股份有限公司 | Safe automatic advance and retreat drilling rod device |
| CN113068521A (en) * | 2021-03-01 | 2021-07-06 | 中央储备粮泉州直属库有限公司 | Pipe pulling device of grain storage bin |
| CN113068521B (en) * | 2021-03-01 | 2022-04-22 | 中央储备粮泉州直属库有限公司 | Pipe pulling device of grain storage bin |
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