CN115749624A - Large-caliber metal sealing water-proof guide pipe quick connecting device for well drilling - Google Patents
Large-caliber metal sealing water-proof guide pipe quick connecting device for well drilling Download PDFInfo
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- CN115749624A CN115749624A CN202211292193.3A CN202211292193A CN115749624A CN 115749624 A CN115749624 A CN 115749624A CN 202211292193 A CN202211292193 A CN 202211292193A CN 115749624 A CN115749624 A CN 115749624A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses a large-diameter metal sealing water-proof guide pipe quick connecting device for well drilling, which belongs to the field of well drilling equipment and comprises two semicircular annular cylinders, two semicircular lower annular cylinders, a locking rod and a semicircular driving annular plate, wherein a buckling component and a limiting component are matched with each other, the connection of a water-proof guide pipe is realized only by rotating the semicircular driving annular plate without other operations, the connecting speed is greatly improved, the buckling component and the locking component are matched with each other, the water-proof guide pipe can be automatically locked after being fixed, the water-proof guide pipe is quickly fixed, the semi-circular annular cylinders and the semicircular lower annular cylinders are closed by moving the position of the locking rod, the connection of the two water-proof guide pipes is completed, the locking rod is not required to be connected by threads for fixing, the phenomenon that the water-proof guide pipe cannot be disassembled after being used for a long time is avoided, the water-proof guide pipe quick connecting device is convenient to reuse, and the service life is prolonged.
Description
Technical Field
The invention relates to the field of drilling equipment, in particular to a quick connecting device of a large-caliber metal sealing riser for drilling.
Background
The water-resisting casing is a casing from the bottom of an offshore drilling platform to a shallow seabed layer, and has the main functions of isolating seawater, forming a drilling fluid circulation channel and serving as a holding structure of an offshore wellhead. In the drilling and completion construction process, the strength and the safety of the riser pipe are of great importance to the safety of offshore drilling operation, the conventional riser pipe connecting device needs to be screwed up in a threaded matching mode, and threads are easy to corrode and adhere and cannot be unscrewed.
The Chinese patent application with the application number of CN202022998448.0 discloses a connecting device of a marine drilling riser, which comprises an inner pipe, an upper joint, a lower joint, an upper casing, a lower casing and a connecting ring, wherein the upper joint and the lower joint of the inner pipe are protected in a closed manner by the upper casing, the connecting ring and the lower casing, seawater is directly isolated to avoid corroding the upper joint and the lower joint, so that the inner pipe is damaged, the hollow upper casing and the lower casing are lighter and are matched with a spiral bulge on the outer side surface.
Disclosure of Invention
The invention provides a quick connecting device for a large-caliber metal sealing riser for drilling, aiming at overcoming the defects in the prior art, and solving the problems that after the device is connected by threads, the riser can not be bonded together and can not be detached or quickly installed for a long time.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a well drilling is with sealed water proof pipe quick connecting device of heavy-calibre metal, including two semicircle ring drums and two semicircle lower ring drums, all fix being provided with the dead lever on two semicircle ring drums, all rotate on two semicircle lower ring drums and install semicircle drive ring board, all be provided with on two semicircle drive ring boards and withhold the subassembly, withhold the subassembly and include the check lock lever, check lock lever and dead lever sliding fit, the check lock lever moves down and makes the dead lever downstream, make semicircle ring drum and semicircle lower ring drum withhold the water proof pipe, all be provided with restriction subassembly and locking subassembly on two semicircle lower ring drums, the restriction subassembly includes stopper and restriction straight-teeth rack, the stopper bilateral symmetry is provided with a plurality of flexible ratchets, stopper and restriction straight-teeth rack constitute detent mechanism, stopper and check lock lever sliding fit, the stopper is used for restricting the vertical position of check lock lever, the locking subassembly includes the locking spring, locking spring and stopper sliding fit, the locking spring is used for restricting the lateral position of stopper.
Furthermore, the two semicircular upper ring cylinders are in sliding fit, the two semicircular upper ring cylinders cannot be pulled out transversely when being assembled together in a sliding mode, the two semicircular lower ring cylinders are in sliding fit, and the two semicircular lower ring cylinders cannot be pulled out transversely when being assembled together in a sliding mode.
Further, withhold the subassembly and include the drive semi-ring, the drive semi-ring is fixed to be set up at semicircle drive crown plate inboard, and the fixed pressing rod that is provided with on the drive semi-ring is provided with according to the briquetting according to the press rod front end, and the semicircle is fixed on the lower ring section of thick bamboo and is provided with semicircle crown plate, is provided with Z type arc hole on the semicircle crown plate, according to briquetting slidable mounting in Z type arc hole.
Further, a driven half ring is slidably mounted on the driving half ring, a rotary pressing rod is fixedly mounted on the driven half ring, the locking rod is fixedly mounted on the rotary pressing rod, and the driven half ring rotates to enable the locking rod to be connected with the fixing rod.
Further, the restriction subassembly includes sliding bottom plate, and the last rotation of sliding bottom plate installs the restriction ratchet, and stopper, restriction spur rack, the equal slidable mounting of locking frame are provided with the torsional spring on sliding bottom plate between restriction ratchet and the sliding bottom plate, and the one end fixed connection of torsional spring is on sliding bottom plate, and the other end of torsional spring is fixed to be set up on the restriction ratchet.
Furthermore, an arc-shaped strip hole is formed in the limiting ratchet wheel, the lower end of the limiting spur rack is slidably mounted in the arc-shaped strip hole, a limiting arc plate is rotatably mounted on the semicircular lower ring barrel, one end of the limiting arc plate is slidably mounted on the rotating pressing rod, the other end of the limiting arc plate is provided with a plurality of flexible ratchets, and the limiting arc plate and the limiting ratchet wheel form a pawl mechanism.
Furthermore, the locking assembly further comprises a Z-shaped arc plate, the Z-shaped arc plate is fixedly arranged on the semicircular driving ring plate, the locking frame front end is provided with a locking pushing column, and the locking pushing column is attached to the upper surface of the Z-shaped arc plate.
Furthermore, a limiting spring is slidably mounted on the lower surface of one of the semicircular lower ring cylinders, a limiting pin is arranged between the limiting spring and the semicircular lower ring cylinder, one end of the limiting spring is in sliding fit with the driving half ring on the side, and the limiting spring is used for limiting the rotation of the driving half ring.
Furthermore, the two semicircular driving ring plates are provided with driving holes.
Compared with the prior art, the invention has the beneficial effects that: (1) According to the invention, through the mutual matching of the buckling assembly and the limiting assembly, the connection of the riser pipe is realized only by rotating the semicircular driving ring plate without other operations, so that the connection speed is greatly improved. (2) According to the invention, through the mutual matching of the buckling assembly and the locking assembly, the riser pipe is automatically locked after being fixed, and the riser pipe is rapidly fixed. (3) According to the invention, the semicircular upper ring barrel and the semicircular lower ring barrel are closed by controlling the locking rod, so that the connection of the two riser pipes is completed, the riser pipes are not required to be fixed by threaded connection, the riser pipes cannot be disassembled after being used for a long time, the riser pipes are convenient to reuse, and the service life is prolonged.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a front view of the internal structure of the present invention.
FIG. 3 is a partial cross-sectional view of a semi-circular torus of the present invention.
Fig. 4 is a partially enlarged view of a portion a in fig. 3.
Fig. 5 is a first internal structure diagram of the present invention.
Fig. 6 is a partially enlarged view of the portion B in fig. 5.
FIG. 7 is a schematic diagram of a restraint assembly according to the present invention.
Fig. 8 is a partially enlarged view of C in fig. 7.
Fig. 9 is a schematic view of the construction of the locking assembly of the present invention.
Fig. 10 is a partially enlarged view of fig. 9 at D.
Fig. 11 is a schematic structural view of the fastening assembly of the present invention.
Fig. 12 is a bottom view of the restraining assembly of the present invention.
Fig. 13 is a second schematic view of the internal structure of the present invention.
Fig. 14 is a partially enlarged view of E in fig. 13.
Reference numerals: 101-semicircular ring plate; 102-semi-circular ring cylinder; 103-semicircular lower ring barrel; 104-semi-circular drive ring plate; 105-a sliding bottom plate; 106-a fixation rod; 107-rotating the pressing rod; 108-a slider; 109-a limiting block; 110-a yield spring; 111-a drive half-ring; 112-pressing rod; 113-Z arc shaped holes; 114-a locating pin; 115-a limiting arc; 116-limit spur racks; 117-limit ratchet; 118-Z arc; 119-locking the push column; 120-a locking frame; 121-a locking spring; 122-a locking lever; 123-a drive aperture; 124-driven half ring; 125-buckling spring; 126-pressing block; 127-a handle; 128-a spacing pin; 129-a limit spring; 130-arc shaped bar hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b): referring to fig. 1 to 14, a large-caliber metal sealing riser quick connecting device for well drilling comprises two semicircular ring cylinders 102 and two semicircular lower ring cylinders 103, wherein the two semicircular ring cylinders 102 are in sliding fit, the two semicircular ring cylinders 102 cannot be pulled open transversely when being assembled together in a sliding manner, the two semicircular lower ring cylinders 103 are in sliding fit, the two semicircular lower ring cylinders 103 cannot be pulled open transversely when being assembled together in a sliding manner, fixing rods 106 are fixedly arranged on the two semicircular ring cylinders 102, the fixing rods 106 are in sliding fit with the semicircular lower ring cylinders 103, a plurality of positioning pins 114 are arranged on the semicircular upper ring cylinders 102 and the semicircular lower ring cylinders 103, and a plurality of holes with the same size as the positioning pins 114 are arranged on a flange plate of the riser.
All rotate on two semicircle lower ring section of thick bamboos 103 and install semicircle drive ring board 104, all be provided with on two semicircle drive ring boards 104 and withhold the subassembly, it includes drive semi-ring 111 to withhold the subassembly, drive semi-ring 111 is fixed to be set up at semicircle drive ring board 104 inboard, the fixed pressing rod 112 that is provided with on the drive semi-ring 111, pressing rod 112 front end is provided with presses briquetting 126, the fixed semicircle ring board 101 that is provided with on the semicircle lower ring section of thick bamboo 103, be provided with Z type arc hole 113 on the semicircle ring board 101, press briquetting 126 slidable mounting in Z type arc hole 113.
The driven half ring 124 is slidably mounted on the driving half ring 111, a buckling spring 125 is arranged between the driving half ring 111 and the driven half ring 124, a rotary pressing rod 107 is fixedly mounted on the driven half ring 124, a locking rod 122 is fixedly arranged on the rotary pressing rod 107, the locking rod 122 is in sliding fit with the fixing rod 106, the driven half ring 124 rotates to enable the locking rod 122 to be connected with the fixing rod 106, a sliding block 108 is slidably mounted on the locking rod 122, a yielding spring 110 is arranged between the sliding block 108 and the locking rod 122, one end of the yielding spring 110 is fixedly connected to the sliding block 108, and the other end of the yielding spring 110 is fixedly connected to the locking rod 122.
After the two semicircular cylinders 102 and the two semicircular lower cylinders 103 are assembled in a sliding manner, the fixing rod 106 and the semicircular lower cylinders 103 are connected in a sliding manner, a stress rod is inserted into the driving hole 123, because the buckling spring 125 is arranged between the driving half ring 111 and the driven half ring 124, the semicircular driving ring plate 104 is rotated through the stress rod, the locking rod 122 is driven to rotate, the locking rod 122 is connected with the fixing rod 106 until the sliding block 108 contacts the surface of the fixing rod 106, the elasticity of the yielding spring 110 is greater than that of the buckling spring 125, the semicircular driving ring plate 104 continues to rotate at the moment, the buckling spring 125 is compressed, the yielding spring 110 cannot deform, the driven half ring 124 cannot press and displace, and the block 126 on the pressing rod 112 slides in the Z-shaped arc hole 113 on the semicircular plate 101, so that the driven half ring 124 moves downwards, and the half ring locking rod 122 drives the fixing rod 106 to move downwards, and the semicircular cylinders 102 and 103 are connected.
All be provided with the restriction subassembly under two semicircles on the ring section of thick bamboo 103, the restriction subassembly includes sliding baseplate 105, sliding baseplate 105 fixed mounting is on the ring section of thick bamboo 103 under the semicircle, rotating mounting has restriction ratchet 117 on the sliding baseplate 105, be provided with the torsional spring between restriction ratchet 117 and the sliding baseplate 105, the one end fixed connection of torsional spring is on sliding baseplate 105, the other end of torsional spring is fixed to be set up on restriction ratchet 117, sliding mounting has stopper 109 on sliding baseplate 105, symmetrical sliding mounting has restriction spur rack 116 on the sliding baseplate 105, stopper 109 bilateral symmetry is provided with a plurality of flexible ratchets, stopper 109 and restriction spur rack 116 constitute pawl mechanism, stopper 109 and check lock lever 122 sliding fit, stopper 109 is used for restricting the vertical position of check lock lever 122.
The limiting ratchet 117 is provided with an arc-shaped strip hole 130, the lower end of the limiting spur rack 116 is slidably mounted in the arc-shaped strip hole 130, the semicircular lower ring barrel 103 is rotatably mounted with a limiting arc-shaped plate 115, one end of the limiting arc-shaped plate 115 is slidably mounted on the rotating pressing rod 107, the other end of the limiting arc-shaped plate 115 is provided with a plurality of flexible ratchets, and the limiting arc-shaped plate 115 and the limiting ratchet 117 form a pawl mechanism.
When the riser pipe is connected, the locking rod 122 is connected with the limiting block 109, when the locking rod 122 moves downwards, the limiting block 109 is driven to move downwards, due to the pawl mechanism formed between the sliding bottom plate 105 and the limiting block 109, the limiting block 109 can only move downwards and cannot move upwards, after the semicircular upper ring barrel 102 is connected with the semicircular lower ring barrel 103, the semicircular driving ring plate 104 continues to rotate, the abdicating spring 110 is compressed, due to the pawl mechanism formed between the limiting arc plate 115 and the limiting ratchet 117, the limiting ratchet 117 cannot rotate when the limiting arc plate 115 moves forwards.
The two semicircular lower ring cylinders 103 are provided with locking assemblies, the locking assemblies further comprise Z-shaped arc plates 118, the Z-shaped arc plates 118 are fixedly arranged on the semicircular driving ring plates 104, the sliding bottom plate 105 is provided with a locking frame 120 in a sliding mode, a locking spring 121 is arranged between the locking frame 120 and the sliding bottom plate 105, the locking spring 121 is in sliding fit with the limiting block 109, the locking spring 121 is used for limiting the transverse position of the limiting block 109, the front end of the locking frame 120 is provided with a locking push column 119, and the locking push column 119 is attached to the upper surfaces of the Z-shaped arc plates 118.
A limiting spring 129 is slidably mounted on the lower surface of one of the semicircular lower ring cylinders 103, a limiting pin 128 is arranged between the limiting spring 129 and the semicircular lower ring cylinder 103, the limiting spring 129 is in sliding fit with the driving half ring 111 on the side, the limiting spring 129 is used for limiting the rotation of the driving half ring 111, and a handle 127 is fixedly arranged on the lower end surface of the limiting spring 129.
The working principle is as follows: in a normal position, the end surfaces of the semicircular driving ring plate 104, the driving half ring 111 and the driven half ring 124 on the semicircular lower ring cylinder 103 and the end surface of the semicircular lower ring cylinder 103 are on the same plane, and the limiting spring 129 is not jointed with the driving half ring 111, when the water-proof guide pipe is connected, the two semicircular lower ring cylinders 102 and 103 are firstly buckled on the water-proof guide pipe, after the two semicircular lower ring cylinders 102 and 103 are assembled in a sliding mode, the positioning pins 114 on the semicircular upper ring cylinders 102 and the semicircular lower ring cylinders 103 are jointed with holes which are arranged on a flange of the water-proof guide pipe and have the same size as the positioning pins 114, and at the moment, the fixing rod 106 is jointed with the semicircular lower ring cylinders 103 in a sliding mode.
The force-bearing rod is inserted into the driving hole 123, and the driving half-ring 111 is driven to rotate due to the buckling spring 125 arranged between the driving half-ring 111 and the driven half-ring 124, and then the semicircular driving ring plate 104 is rotated through the force-bearing rod, and the driving half-ring 111 is driven to rotate due to the buckling spring 125 arranged between the driving half-ring 111 and the driven half-ring 124, so that the driving half-ring 111 drives the driven half-ring 124 to rotate, and then the locking rod 122 is driven to rotate, so that the locking rod 122 is engaged with the fixing rod 106, and the locking rod 122 is engaged with the limiting block 109 until the slider 108 contacts the surface of the fixing rod 106.
Because the elasticity of the abdicating spring 110 is greater than that of the buckling spring 125, the semicircular driving ring plate 104 continues to rotate at the moment, the buckling spring 125 is compressed, the abdicating spring 110 cannot deform, and the driven half ring 124 cannot displace, so that the pressing block 126 on the pressing rod 112 slides in the Z-shaped arc-shaped hole 113 on the semicircular ring plate 101, so that the driven half ring 124 moves downwards, and the locking rod 122 drives the fixing rod 106 to move downwards, the semi-circular ring cylinder 102 and the semicircular lower ring cylinder 103 are jointed, when the locking rod 122 moves downwards, the limiting block 109 is driven to move downwards, and due to the pawl mechanism formed between the sliding bottom plate 105 and the limiting block 109, the limiting block 109 can only move downwards and cannot move upwards.
In a normal state, the limiting ratchet 117 is under the action of the torsion spring to enable the two limiting straight racks 116 to be located at the innermost side, the locking push column 119 is supported by the Z-shaped arc plate 118, the locking frame 120 is lifted, the locking spring 121 is compressed, when connection is performed, after the semicircular upper ring barrel 102 and the semicircular lower ring barrel 103 are combined, the semicircular driving ring plate 104 continues to rotate, the abdicating spring 110 is compressed, the limiting ratchet 117 cannot rotate when the limiting arc plate 115 moves forward due to the pawl mechanism formed between the limiting arc plate 115 and the limiting ratchet 117, the limiting ratchet 115 reaches the outermost side position, the limiting arc plate 115 can drive the limiting ratchet 117 to rotate reversely by the maximum angle when sliding reversely, the two limiting straight racks 116 are completely opened, limitation on the limiting block 109 is released, when the limiting arc plate 115 reaches the outermost side position, the sliding holes on the locking frame 120 and the locking frame 112 are located below the locking frame 120, the semicircular driving ring plate 104 rotates, the Z-shaped arc plate 118 loosens the locking push column 118, the supporting pin 119 is loosened, the locking rack 120 is tightly pressed, the limiting pin 120 is connected with the lower half-ring pin 111, the limiting pin 122, the limiting plate 111 and the lower half-ring 111 is connected with the limiting pin 122, and the half-ring rack 111, and the limiting pin is connected with the locking frame, and the half-ring 104.
When the semi-circular driving ring plate needs to be disassembled, the stressed rod is inserted into the driving hole 123, the pull handle 127 moves downwards, the limiting pin 128 is compressed, the driving half ring 111 is separated from the limit of the limiting pin 128, the semi-circular driving ring plate 104 is rotated through the stressed rod, and the steps are reversed, so that the disassembling is completed.
The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception and fall within the scope of the present invention.
Claims (9)
1. The utility model provides a well drilling is with sealed water conductor quick connecting device of heavy-calibre metal, includes ring section of thick bamboo (103) under two semicircles on the semicircle ring section of thick bamboo (102), two all fixed dead lever (106) that are provided with on the semicircle ring section of thick bamboo (102), its characterized in that:
semicircular driving ring plates (104) are rotatably mounted on the two semicircular lower ring cylinders (103), buckling assemblies are arranged on the two semicircular driving ring plates (104), each buckling assembly comprises a locking rod (122), the locking rods (122) are in sliding fit with the fixing rod (106), and the locking rods (122) move downwards to enable the fixing rods (106) to move downwards, so that the semicircular lower ring cylinders (103) and the semicircular upper ring cylinders (102) buckle the water-proof guide pipe;
two all be provided with restriction subassembly and locking Assembly under the semicircle on ring section of thick bamboo (103), the restriction subassembly includes stopper (109) and restriction spur rack (116), stopper (109) bilateral symmetry is provided with a plurality of flexible ratchets, stopper (109) and restriction spur rack (116) constitute detent mechanism, stopper (109) and check lock lever (122) sliding fit, stopper (109) are used for limiting the vertical position of check lock lever (122), locking Assembly includes locking spring (121), locking spring (121) and stopper (109) sliding fit, locking spring (121) are used for limiting the horizontal position of stopper (109).
2. The quick connecting device for the large-caliber metal sealing riser for well drilling according to claim 1, wherein: the two semicircular ring cylinders (102) are in sliding fit, the two semicircular ring cylinders (102) cannot be pulled out transversely when being assembled together in a sliding mode, the two semicircular lower ring cylinders (103) are in sliding fit, and the two semicircular lower ring cylinders (103) cannot be pulled out transversely when being assembled together in a sliding mode.
3. The quick connecting device for the large-caliber metal sealing riser for well drilling according to claim 2, wherein: the buckling assembly comprises a driving half ring (111), the driving half ring (111) is fixedly arranged on the inner side of a semicircular driving ring plate (104), a pressing rod (112) is fixedly arranged on the driving half ring (111), a pressing block (126) is arranged at the front end of the pressing rod (112), a semicircular ring plate (101) is fixedly arranged on a semicircular lower ring barrel (103), a Z-shaped arc hole (113) is formed in the semicircular ring plate (101), and the pressing block (126) is slidably arranged in the Z-shaped arc hole (113).
4. The quick connecting device for the large-caliber metal sealing riser for well drilling according to claim 3, wherein: the driving half ring (111) is provided with a driven half ring (124) in a sliding mode, the driven half ring (124) is fixedly provided with a rotary pressing rod (107), the locking rod (122) is fixedly arranged on the rotary pressing rod (107), and the driven half ring (124) rotates to enable the locking rod (122) to be connected with the fixing rod (106).
5. The quick connecting device for the large-caliber metal sealing riser for well drilling according to claim 4, wherein: the limiting assembly comprises a sliding base plate (105), a limiting ratchet wheel (117) is installed on the sliding base plate (105) in a rotating mode, the limiting block (109), the limiting straight rack (116) and the locking frame (120) are installed on the sliding base plate (105) in an all-sliding mode, a torsion spring is arranged between the limiting ratchet wheel (117) and the sliding base plate (105), one end of the torsion spring is fixedly connected to the sliding base plate (105), and the other end of the torsion spring is fixedly arranged on the limiting ratchet wheel (117).
6. The quick connecting device for the large-caliber metal sealing riser for well drilling according to claim 5, wherein: be provided with arc strip hole (130) on restriction ratchet (117), the lower extreme slidable mounting of restriction spur rack (116) is in arc strip hole (130), rotate on ring section of thick bamboo (103) under the semicircle and install restriction arc (115), and the one end slidable mounting of restriction arc (115) is on rotating press lever (107), and the other end of restriction arc (115) is provided with a plurality of flexible ratchets, and restriction arc (115) and restriction ratchet (117) constitute pawl mechanism.
7. The quick connecting device for the large-caliber metal sealing riser for well drilling according to claim 6, wherein: the locking assembly further comprises a Z-shaped arc plate (118), the Z-shaped arc plate (118) is fixedly arranged on the semicircular driving ring plate (104), a locking push column (119) is arranged at the front end of the locking frame (120), and the locking push column (119) is attached to the upper surface of the Z-shaped arc plate (118).
8. The quick connecting device for the large-caliber metal sealing riser for well drilling according to claim 1, wherein: the lower surface of one semicircular lower ring cylinder (103) is provided with a limiting spring (129) in a sliding mode, a limiting pin (128) is arranged between the limiting spring (129) and the semicircular lower ring cylinder (103), one end of the limiting spring (129) is in sliding fit with the driving half ring (111) on the side, and the limiting spring (129) is used for limiting the rotation of the driving half ring (111).
9. The quick connecting device for the large-caliber metal sealing riser for well drilling according to claim 1, wherein: and the two semicircular driving ring plates (104) are provided with driving holes (123).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211292193.3A CN115749624B (en) | 2022-10-21 | 2022-10-21 | Quick connecting device of large-caliber metal sealing riser pipe for well drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211292193.3A CN115749624B (en) | 2022-10-21 | 2022-10-21 | Quick connecting device of large-caliber metal sealing riser pipe for well drilling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115749624A true CN115749624A (en) | 2023-03-07 |
| CN115749624B CN115749624B (en) | 2023-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211292193.3A Active CN115749624B (en) | 2022-10-21 | 2022-10-21 | Quick connecting device of large-caliber metal sealing riser pipe for well drilling |
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| CN111271005A (en) * | 2018-12-04 | 2020-06-12 | Ifp新能源公司 | Connector with internal locking ring for assembling two riser sections |
| CN113294098A (en) * | 2021-04-25 | 2021-08-24 | 四川宏华石油设备有限公司 | Connecting device and assembling method of marine drilling riser and riser structure |
| WO2021214452A1 (en) * | 2020-04-20 | 2021-10-28 | Aquaterra Energy Limited | An improved connector for a subsea drilling riser |
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2022
- 2022-10-21 CN CN202211292193.3A patent/CN115749624B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102146772A (en) * | 2011-02-15 | 2011-08-10 | 宝鸡石油机械有限责任公司 | Rotary locking piece type drilling riser connector |
| US20120222865A1 (en) * | 2011-03-01 | 2012-09-06 | Vetco Gray Inc. | Drilling Riser Adapter Connection with Subsea Functionality |
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| Publication number | Publication date |
|---|---|
| CN115749624B (en) | 2023-06-09 |
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