CN111997534B - Petroleum drill pipe - Google Patents
Petroleum drill pipe Download PDFInfo
- Publication number
- CN111997534B CN111997534B CN202010888287.1A CN202010888287A CN111997534B CN 111997534 B CN111997534 B CN 111997534B CN 202010888287 A CN202010888287 A CN 202010888287A CN 111997534 B CN111997534 B CN 111997534B
- Authority
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- China
- Prior art keywords
- wall
- fixing
- drill
- grooves
- drill rod
- 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.)
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- 239000003208 petroleum Substances 0.000 title claims abstract description 14
- 238000009434 installation Methods 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000005553 drilling Methods 0.000 description 25
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 8
- 235000017491 Bambusa tulda Nutrition 0.000 description 8
- 241001330002 Bambuseae Species 0.000 description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 8
- 239000011425 bamboo Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000007774 longterm 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
- 238000007670 refining Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- 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
- E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
-
- 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
- E21B17/042—Threaded
- E21B17/043—Threaded with locking means
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 relates to the technical field of petroleum drill pipes, in particular to a petroleum drill pipe, which comprises a drill bit, wherein a pressing mechanism is arranged on the outer side of the upper surface of the drill bit, a mounting mechanism is arranged at the center of the upper surface of the drill bit, a sliding mechanism is arranged at the upper end of the mounting mechanism, a fixing mechanism is arranged on the surface of the mounting mechanism, a clamping mechanism is arranged in the fixing mechanism, a pressing inclined surface on a push plate is pressed by a first conical surface on the first threaded surface and a second threaded surface through a pressing cylinder, the push plate is driven to approach the first drill pipe, a fixing clamping block is pushed to pass through a through hole to be clamped in a fixing clamping groove, the first drill pipe and the drill bit are fixed through the fixing clamping block, then a bolt is connected with a threaded hole through the fixing hole, the drill bit and the first drill pipe are fixed through the bolt and the fixing clamping block, and the drill bit and the first drill pipe are effectively prevented from being separated.
Description
Technical Field
The invention relates to the technical field of petroleum drill pipes, in particular to a petroleum drill pipe.
Background
The drill rod is a steel pipe with threads at the tail part and is used for connecting surface equipment of a drilling machine and drilling and grinding equipment or a bottom hole device at the bottom end of a drilling well, the drill rod is used for conveying drilling mud to a drill bit and lifting, lowering or rotating the bottom hole device together with the drill bit, and the drill rod must be capable of bearing huge internal and external pressure, distortion, bending and vibration, so that the drill rod can be used for multiple times in the exploitation and refining process of oil gas.
The lower extreme and the drill bit fixed connection of current oil drilling rod drive the drill bit at drilling during operation through the drilling rod and rotate, but the drill bit can rub with the rock and the earth of ground when rotating, and then the drill bit that makes receives reverse strength, and then lead to bull stick and drill bit to receive reverse strength, can lead to drill bit and drilling rod atress to become flexible after the long-term use of drill bit and lead to droing, and when a plurality of drilling rods are in the back of being connected, the junction of drilling rod receives the pressure that drives when rotating, and then can lead to the inside screw thread of drilling rod junction to receive the extrusion, and then probably lead to the screw thread impaired, and then probably make the drilling rod separation of connecting.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an oil drill rod.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides an oil drilling rod, includes the drill bit, the upper surface outside of drill bit is provided with pressing mechanism, the upper surface center department of drill bit is provided with installation mechanism, installation mechanism's upper end is provided with slide mechanism, installation mechanism's on the surface is provided with fixed establishment, fixed establishment's inside is provided with joint mechanism.
Specifically, pressing mechanism includes ring channel, spring groove, first spring, push pedal, presses inclined plane, first conical surface, presses section of thick bamboo, first screw thread face, second screw thread face, the ring channel is seted up on the upper surface in drill bit outside, two spring grooves have been seted up to the symmetry on the inner wall of ring channel, two the inside in spring groove is the first spring of all fixedly connected with, two the equal fixedly connected with push pedal of the other end of first spring, two pressing inclined plane has all been seted up on the side wall that the spring groove was kept away from to the push pedal, two pressing inclined plane and first conical surface in close contact with, first conical surface is seted up on the lower extreme inner wall of pressing section of thick bamboo, first screw thread face has been seted up on the outer wall of pressing section of thick bamboo, first screw thread face and second screw thread face threaded connection, the second screw thread face is seted up on the lateral wall of ring channel.
Specifically, the installation mechanism comprises a slot, a second conical surface, a first drill rod, fixed clamping grooves, fixed clamping blocks, through holes, threaded holes, bolts and fixed holes, wherein the slot is formed in the center of the upper surface of a drill bit, the second conical surface is formed in the opening of the slot, the first drill rod is inserted into the slot, two fixed clamping grooves are symmetrically formed in the surface of the first drill rod, the two fixed clamping grooves are fixedly clamped in the inner parts of the fixed clamping grooves, the fixed clamping blocks are inserted into the through holes, the through holes are formed in the inner walls of the slot, the other ends of the through holes are communicated with annular grooves, the two threaded holes are symmetrically formed in the outer walls of the first drill rod, the two threaded holes are connected with bolts in the inner threads, the two bolts are inserted into the two fixed holes respectively, and the two fixed holes are formed in the outer walls of a pressing cylinder.
Specifically, slide mechanism includes second drilling rod, spout, slider, removes section of thick bamboo, third screw thread, second drilling rod joint is in the upper end of first drilling rod, two spouts have been seted up to the symmetry on the outer wall of second drilling rod, the inside sliding connection of spout has two assorted sliders, two slider fixed connection is on the inner wall of same removal section of thick bamboo, third screw thread face has been seted up on the lower extreme outer wall of removal section of thick bamboo.
Specifically, fixed establishment includes solid fixed ring, annular, joint ring, rotary drum, fourth screw thread face, gu fixed ring cup joints on the outer wall of first drilling rod, gu set up the annular on the outer wall of gu fixed ring, the inside joint of annular has the joint ring, gu fixed cup joint the rotary drum on the outer wall of joint ring, the fourth screw thread face has been seted up on the upper end inner wall of rotary drum.
Specifically, joint mechanism includes jack, inserted bar, joint groove, fixed block, circular slot, second spring, two the jack symmetry is seted up on the lower surface of solid fixed ring, two the inside of jack has all pegged graft the inserted bar, two the upper end of inserted bar is pegged graft respectively inside two joint grooves, two the lower extreme at the removal section of thick bamboo is seted up to the joint groove symmetry, two symmetrical fixedly connected with two fixed blocks on the surface of inserted bar, two the fixed block is the joint respectively inside two circular slots, the circular slot is seted up on the inner wall of jack, the second spring has been cup jointed in the activity on the one end surface that the inserted bar is located the circular slot inside, the upper end and the fixed block fixed connection of second spring.
Specifically, one end of the fixed clamping block, which is far away from the first drill rod, is fixedly connected with the push plate.
Specifically, the lower end of the plunger rod extends to the outside of the lower end of the insertion hole.
The invention has the beneficial effects that:
(1) According to the petroleum drill rod, the pressing cylinder is rotatably arranged, the pressing inclined surface on the pushing plate is pressed by the first conical surface on the pressing cylinder through the first threaded surface and the second threaded surface, so that the pushing plate is driven to approach the first drill rod, the fixing clamping block is pushed to pass through the through hole and be clamped in the fixing clamping groove, the first drill rod and the drill bit are fixed through the fixing clamping block, then the bolt passes through the fixing hole and is in threaded connection with the threaded hole, the drill bit and the first drill rod are fixed through the bolt and the fixing clamping block, the connection between the drill bit and the first drill rod is effectively prevented from loosening, and the drill bit and the first drill rod are prevented from being separated.
(2) According to the petroleum drill rod, the rotating drum is rotated to drive the third threaded surface to be in threaded connection with the fourth threaded surface, so that the inserted rod is inserted into the clamping groove, when the first drill rod and the second drill rod are subjected to opposite force, the inserted rod and the rotating drum bear opposite force, and further the connection part of the first drill rod and the second drill rod is prevented from loosening, and the first drill rod and the second drill rod are prevented from being separated.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of a petroleum drill pipe according to the present invention;
FIG. 2 is a schematic diagram of a sliding mechanism of an oil drill rod according to the present invention;
FIG. 3 is an enlarged view of part A of FIG. 1 of an oil drill pipe according to the present invention;
FIG. 4 is an enlarged view of part B of FIG. 2 of an oil drill pipe according to the present invention;
FIG. 5 is a top view of an oil drill rod pressing mechanism provided by the invention;
FIG. 6 is a schematic diagram of a pressing cylinder of an oil drill pipe according to the present invention;
fig. 7 is a schematic structural diagram of a push plate of an oil drill rod provided by the invention.
In the figure: 1. a drill bit; 2. a pressing mechanism; 21. an annular groove; 22. a spring groove; 23. a first spring; 24. a push plate; 25. pressing the inclined plane; 26. a first conical surface; 27. pressing a cylinder; 28. a first thread surface; 29. a second thread surface; 3. a mounting mechanism; 31. a slot; 32. a second conical surface; 33. a first drill pipe; 34. a fixing slot; 35. fixing the clamping block; 36. a through hole; 37. a threaded hole; 38. a bolt; 39. a fixing hole; 4. a sliding mechanism; 41. a second drill rod; 42. a chute; 43. a slide block; 44. a moving cylinder; 45. a third thread; 5. a fixing mechanism; 51. a fixing ring; 52. a ring groove; 53. a clamping ring; 54. a rotating drum; 55. a fourth thread surface; 6. a clamping mechanism; 61. a jack; 62. a rod; 63. a clamping groove; 64. a fixed block; 65. a circular groove; 66. and a second spring.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1-7, the petroleum drill rod provided by the invention comprises a drill bit 1, wherein a pressing mechanism 2 is arranged on the outer side of the upper surface of the drill bit 1, a mounting mechanism 3 is arranged in the center of the upper surface of the drill bit 1, a sliding mechanism 4 is arranged at the upper end of the mounting mechanism 3, a fixing mechanism 5 is arranged on the surface of the mounting mechanism 3, and a clamping mechanism 6 is arranged in the fixing mechanism 5.
Specifically, the pressing mechanism 2 includes an annular groove 21, a spring groove 22, a first spring 23, a push plate 24, a pressing inclined plane 25, a first conical surface 26, a pressing cylinder 27, a first threaded surface 28, and a second threaded surface 29, wherein the annular groove 21 is formed on the upper surface of the outer side of the drill bit 1, two spring grooves 22 are symmetrically formed on the inner wall of the annular groove 21, the first springs 23 are fixedly connected to the inside of the two spring grooves 22, the push plates 24 are fixedly connected to the other ends of the two first springs 23, the pressing inclined planes 25 are formed on the side walls of the two push plates 24 far away from the spring grooves 22, the two pressing inclined planes 25 are in tight contact with the first conical surface 26, the first conical surface 26 is formed on the inner wall of the lower end of the pressing cylinder 27, the first threaded surface 28 is formed on the outer wall of the pressing cylinder 27, the first threaded surface 28 is in threaded connection with the second threaded surface 29, the second threaded surface 29 is formed on the side wall of the annular groove 21, the first drill rod 33 is inserted into the slot 31, then the pressing cylinder 27 is clamped inside the annular groove 21, then the pressing cylinder 27 is rotated, the pressing cylinder 28 is pushed by the first threaded surface 28, the second threaded surface 29 is pushed by the first conical surface 26, the pressing cylinder 27 is pushed by the first conical surface 26 to move towards the pressing cylinder 25, and then the pressing cylinder 27 moves towards the first conical surface 35, and then the pressing cylinder 35 moves towards the pressing cylinder 35.
Specifically, the installation mechanism 3 includes slot 31, second conical surface 32, first drilling rod 33, fixed slot 34, fixed fixture block 35, through-hole 36, screw hole 37, bolt 38, fixed orifices 39, slot 31 sets up in the upper surface center department of drill bit 1, second conical surface 32 has been seted up to the opening part of slot 31, the inside grafting of slot 31 has first drilling rod 33, two fixed slots 34 have been seted up to the symmetry on the surface of first drilling rod 33, the inside of two fixed slots 34 all joint has fixed fixture block 35, fixed fixture block 35 grafting is in the inside of through-hole 36, the through-hole 36 is seted up on the inner wall of slot 31, the other end and the ring channel 21 of through-hole 36 are linked together, two screw holes 37 have been seted up to the symmetry on the outer wall of first drilling rod 33, the inside equal threaded connection of two screw holes 37 has bolt 38, two bolts 38 peg graft respectively inside two fixed orifices 39, two fixed orifices 39 are seted up on the outer wall of pressure section of thick bamboo 27, fixed fixture block 35 removes the joint to fixed slot 34 inside, fix first 33 through fixed fixture block 35 and fixed slot 34, simultaneously with 38 and drill bit 33 and fixed connection through screw hole 33 and through fixed fixture block 35 and screw hole 33, the first drilling rod 33 and drill bit 1 take place between fixed fixture block 33 and the fixed connection 1.
Specifically, the sliding mechanism 4 includes a second drill rod 41, a sliding groove 42, a sliding block 43, a moving cylinder 44 and a third thread 45, the second drill rod 41 is clamped at the upper end of the first drill rod 33, two sliding grooves 42 are symmetrically formed in the outer wall of the second drill rod 41, two sliding blocks 43 which are matched are connected in a sliding manner in the sliding groove 42, the two sliding blocks 43 are fixedly connected to the inner wall of the same moving cylinder 44, a third thread surface 45 is formed in the outer wall of the lower end of the moving cylinder 44, the moving cylinder 44 is pushed to move downwards, and the third thread surface 45 is contacted with a fourth thread surface 55 after the moving cylinder 44 is moved downwards.
Specifically, the fixing mechanism 5 includes a fixing ring 51, a ring groove 52, a clamping ring 53, a rotary drum 54, and a fourth threaded surface 55, the fixing ring 51 is fixedly sleeved on the outer wall of the first drill rod 33, the ring groove 52 is provided on the outer wall of the fixing ring 51, the clamping ring 53 is clamped in the ring groove 52, the rotary drum 54 is fixedly sleeved on the outer wall of the clamping ring 53, the fourth threaded surface 55 is provided on the inner wall of the upper end of the rotary drum 54, the rotary drum 54 is rotated, the rotary drum 54 drives the third threaded surface 45 to be in threaded connection with the fourth threaded surface 55, and then the rotary drum 54 and the movable drum 44 are fixed, so that the joint of the first drill rod 33 and the second drill rod 41 is prevented from loosening, and the first drill rod 33 and the second drill rod 41 are prevented from falling off.
Specifically, the clamping mechanism 6 includes jack 61, inserted bar 62, clamping groove 63, fixed block 64, circular slot 65, second spring 66, two jacks 61 symmetry are seted up on the lower surface of solid fixed ring 51, the inside of two jacks 61 has all pegged graft and has been inserted bar 62, the upper end of two inserted bars 62 is pegged graft respectively inside two clamping groove 63, two clamping groove 63 symmetry are seted up at the lower extreme of moving tube 44, two fixed block 64 of symmetry fixedly connected with on the surface of two inserted bars 62, two fixed block 64 are respectively the joint inside two circular slot 65, circular slot 65 is seted up on the inner wall of jack 61, the inserted bar 62 is located the activity of the inside one end surface of circular slot 65 and has cup jointed second spring 66, the upper end and the fixed block 64 fixed connection of second spring 66 make inserted bar 62 peg graft in jack 61 inside simultaneously when moving tube 44 moves down, it is fixed to move tube 44 and solid fixed ring 51 through inserted bar 62, when first drilling rod 33 and second drilling rod 41 receive opposite force through inserted bar 62 bears the reverse force.
Specifically, the end of the fixed clamping block 35 far away from the first drill rod 33 is fixedly connected with the push plate 24, so that the movement of the push plate 24 is limited, and meanwhile, the fixed clamping block 35 is pushed to move by the push plate 24.
Specifically, the lower end of the plunger 62 extends outside the lower end of the insertion hole 61, so that the plunger 62 can be pulled from the lower end.
When in use, the first drill rod 33 is inserted into the slot 31, the pressing cylinder 27 is clamped into the annular groove 21, the pressing cylinder 27 is rotated, the second threaded surface 29 is extruded through the first threaded surface 28, the pressing cylinder 27 is driven to move downwards, the pressing inclined surface 25 is pressed through the first conical surface 26 on the pressing cylinder 27, the two pushing plates 24 are pushed to move towards the first drill rod 33, the fixing clamping block 35 is pushed by the pushing plates 24 to move, the fixing clamping block 35 is clamped into the fixing clamping groove 34, the first drill rod 33 is fixed through the fixing clamping block 35 and the fixing clamping groove 34, the bolt 38 is connected with the threaded hole 37 through the fixing hole 39, the drill bit 1 and the first drill rod 33 are fixed through the bolt 38 and the fixing clamping block 35, the connection between the drill bit 1 and the first drill rod 33 is effectively prevented from loosening, preventing the drill bit 1 from disengaging from the first drill rod 33, after the first drill rod 33 and the second drill rod 41 are fixed, pushing the moving cylinder 44 to move downwards, enabling the third threaded surface 45 to be in contact with the fourth threaded surface 55 after the moving cylinder 44 is moved downwards, then rotating the rotating cylinder 54, driving the third threaded surface 45 to be in threaded connection with the fourth threaded surface 55 through the rotating cylinder 54, further fixing the rotating cylinder 54 and the moving cylinder 44, enabling the inserting rod 62 to be inserted into the inserting hole 61 when the moving cylinder 44 moves downwards, fixing the moving cylinder 44 and the fixing ring 51 through the inserting rod 62, and enabling the inserting rod 62 to bear two opposite forces when the first drill rod 33 and the second drill rod 41 are subjected to opposite forces, further preventing the joint of the first drill rod 33 and the second drill rod 41 from loosening, and further preventing the first drill rod 33 and the second drill rod 41 from falling.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. Petroleum drill rod, comprising a drill bit (1), characterized in that: the drill bit comprises a drill bit body, and is characterized in that a pressing mechanism (2) is arranged on the outer side of the upper surface of the drill bit body (1), an installation mechanism (3) is arranged in the center of the upper surface of the drill bit body (1), a sliding mechanism (4) is arranged at the upper end of the installation mechanism (3), a fixing mechanism (5) is arranged on the surface of the installation mechanism (3), and a clamping mechanism (6) is arranged in the fixing mechanism (5);
the pressing mechanism (2) comprises an annular groove (21), a spring groove (22), a first spring (23), a push plate (24), pressing inclined planes (25), a first conical surface (26), a pressing cylinder (27), a first threaded surface (28) and a second threaded surface (29), wherein the annular groove (21) is formed in the upper surface of the outer side of the drill bit (1), two spring grooves (22) are symmetrically formed in the inner wall of the annular groove (21), the first springs (23) are fixedly connected to the inner parts of the two spring grooves (22), the push plates (24) are fixedly connected to the other ends of the two first springs (23), the pressing inclined planes (25) are formed in the side wall of one side, far away from the spring grooves (22), of the two push plates (24) and are in tight contact with the first conical surface (26), the first conical surface (26) is formed in the inner wall of the lower end of the pressing cylinder (27), the first threaded surface (28) is formed in the outer wall of the pressing cylinder (27), the first threaded surface (28) is connected with the second threaded surface (29) in the side wall of the annular groove (29);
the mounting mechanism (3) comprises a slot (31), a second conical surface (32), a first drill rod (33), fixing clamping grooves (34), fixing clamping blocks (35), through holes (36), threaded holes (37), bolts (38) and fixing holes (39), wherein the slot (31) is formed in the center of the upper surface of the drill bit (1), the second conical surface (32) is formed in the opening of the slot (31), the first drill rod (33) is inserted into the slot (31), two fixing clamping grooves (34) are symmetrically formed in the surface of the first drill rod (33), the fixing clamping blocks (35) are clamped in the fixing clamping grooves (34), the fixing clamping blocks (35) are inserted into the through holes (36), the through holes (36) are formed in the inner wall of the slot (31), the other ends of the through holes (36) are communicated with the annular grooves (21), the two threaded holes (37) are symmetrically formed in the outer wall of the first drill rod (33), the two threaded holes (37) are connected with the inner threads of the first drill rod (33), and the two bolts (39) are respectively pressed into the two fixing clamping blocks (39) on the outer wall of the first drill rod (33);
the sliding mechanism (4) comprises a second drill rod (41), sliding grooves (42), sliding blocks (43), a movable barrel (44) and third threads (45), wherein the second drill rod (41) is clamped at the upper end of the first drill rod (33), two sliding grooves (42) are symmetrically formed in the outer wall of the second drill rod (41), two sliding blocks (43) which are matched are connected in a sliding mode in the sliding grooves (42), the two sliding blocks (43) are fixedly connected to the inner wall of the same movable barrel (44), and the third threads (45) are formed in the outer wall of the lower end of the movable barrel (44);
the fixed mechanism (5) comprises a fixed ring (51), a ring groove (52), a clamping ring (53), a rotary drum (54) and a fourth thread surface (55), wherein the fixed ring (51) is fixedly sleeved on the outer wall of the first drill rod (33), the ring groove (52) is formed in the outer wall of the fixed ring (51), the clamping ring (53) is clamped in the ring groove (52), the rotary drum (54) is fixedly sleeved on the outer wall of the clamping ring (53), and the fourth thread surface (55) is formed in the inner wall of the upper end of the rotary drum (54).
2. A petroleum drill pipe according to claim 1, wherein: the clamping mechanism (6) comprises a jack (61), a plug rod (62), a clamping groove (63), fixing blocks (64), round grooves (65) and a second spring (66), wherein the jack (61) is symmetrically arranged on the lower surface of the fixed ring (51), the plug rod (62) is inserted into the jack (61), the plug rod (62) is inserted into the clamping grooves (63), the clamping grooves (63) are symmetrically arranged at the lower end of the movable cylinder (44), the fixing blocks (64) are symmetrically and fixedly connected to the surface of the plug rod (62), the fixing blocks (64) are respectively clamped into the round grooves (65), the round grooves (65) are arranged on the inner wall of the jack (61), the plug rod (62) is located on one end surface of the round grooves (65), the second spring (66) is movably sleeved on one end surface of the round grooves, and the upper end of the second spring (66) is fixedly connected with the fixing blocks (64).
3. A petroleum drill pipe according to claim 1, wherein: one end of the fixed clamping block (35) far away from the first drill rod (33) is fixedly connected with the push plate (24).
4. A petroleum drill pipe according to claim 2, wherein: the lower end of the inserted link (62) extends to the outside of the lower end of the insertion hole (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010888287.1A CN111997534B (en) | 2020-08-28 | 2020-08-28 | Petroleum drill pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010888287.1A CN111997534B (en) | 2020-08-28 | 2020-08-28 | Petroleum drill pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111997534A CN111997534A (en) | 2020-11-27 |
| CN111997534B true CN111997534B (en) | 2024-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010888287.1A Active CN111997534B (en) | 2020-08-28 | 2020-08-28 | Petroleum drill pipe |
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| Country | Link |
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| CN (1) | CN111997534B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418092B (en) * | 2021-06-11 | 2023-11-03 | 无锡润越机电科技有限公司 | Monitoring box with quick mounting structure |
| CN113281096A (en) * | 2021-07-02 | 2021-08-20 | 浙江安防职业技术学院 | Drilling and coring equipment for traffic pavement quality detection |
| CN115341844B (en) * | 2022-10-14 | 2023-01-17 | 沧州格锐特钻头有限公司 | Short-bending impact-resistant large-torque screw drill |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB473172A (en) * | 1936-02-08 | 1937-10-07 | Bataafsche Petroleum | A device for taking cores from a borehole |
| CN109915024A (en) * | 2019-04-08 | 2019-06-21 | 无锡锡钻地质装备有限公司 | A kind of prospecting bore bit and its manufacturing process |
| CN209228316U (en) * | 2018-11-26 | 2019-08-09 | 广西中煤地质有限责任公司 | A kind of hydrology hole drilling rig |
| CN110984876A (en) * | 2019-11-07 | 2020-04-10 | 赵其英 | Combined petroleum drilling rod |
| CN210483559U (en) * | 2019-09-25 | 2020-05-08 | 陈立震 | Combined drilling column device for directional well drilling |
| CN211173979U (en) * | 2019-10-24 | 2020-08-04 | 王同林 | Anti-drop drilling rod for oil drilling |
-
2020
- 2020-08-28 CN CN202010888287.1A patent/CN111997534B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB473172A (en) * | 1936-02-08 | 1937-10-07 | Bataafsche Petroleum | A device for taking cores from a borehole |
| CN209228316U (en) * | 2018-11-26 | 2019-08-09 | 广西中煤地质有限责任公司 | A kind of hydrology hole drilling rig |
| CN109915024A (en) * | 2019-04-08 | 2019-06-21 | 无锡锡钻地质装备有限公司 | A kind of prospecting bore bit and its manufacturing process |
| CN210483559U (en) * | 2019-09-25 | 2020-05-08 | 陈立震 | Combined drilling column device for directional well drilling |
| CN211173979U (en) * | 2019-10-24 | 2020-08-04 | 王同林 | Anti-drop drilling rod for oil drilling |
| CN110984876A (en) * | 2019-11-07 | 2020-04-10 | 赵其英 | Combined petroleum drilling rod |
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| Publication number | Publication date |
|---|---|
| CN111997534A (en) | 2020-11-27 |
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