CN100588863C - Deep water flange automatic connection nut aligning and screwing device - Google Patents
Deep water flange automatic connection nut aligning and screwing device Download PDFInfo
- Publication number
- CN100588863C CN100588863C CN200810064293A CN200810064293A CN100588863C CN 100588863 C CN100588863 C CN 100588863C CN 200810064293 A CN200810064293 A CN 200810064293A CN 200810064293 A CN200810064293 A CN 200810064293A CN 100588863 C CN100588863 C CN 100588863C
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- hole
- spanner
- open
- oil hydraulic
- hydraulic cylinder
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 239000012530 fluid Substances 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 235000014309 Eleocharis tuberosa Nutrition 0.000 description 1
- 244000103152 Eleocharis tuberosa Species 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/26—Repairing or joining pipes on or under water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
- B23P19/061—Screw or nut setting or loosening machines for pipes or pipe-couplings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
- B23P19/069—Multi-spindle machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/16—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same abutted flanges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/003—Auxiliary devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
- Revetment (AREA)
Abstract
The invention provides a device for aligning and screwing nuts used for automatic connection of deepwater flanges. The device consists of a support (1), an opener (2), an orifice regulator (3) and a spanner seat (4), the opener (2) is arranged on the support (1) through an opening positioning shaft (6), the inside of a baffle of the front of the support is provided with two hydraulic cylinders which are used for driving the opener (2), the orifice regulator (3) is arranged on the inside of the opener (2), the orifice regulator is provided with a deflector rod (15), the opener (2) is provided with an orifice regulating hydraulic cylinder (12) matched with the deflection rod (15), the spanner seat (4) is arranged on the orifice regulator (3) through a shaft serving as a lead rail, the orifice regulator (3) is provided with a feeding hydraulic cylinder (17). The device has the advantages of simple structure and high reliability; moreover, the device is suitable for automatic connection ofpipe flanges at a depth 3000 meters under water.
Description
(1) technical field
What the present invention relates to is that a kind of deep water flange that can be used for is from the nut alignment and the device for screwing up that are dynamically connected.
(2) background technique
Deep water submarine pipeline mechanical type connects the normal automatic Placement of flange that adopts.Flange from the simple procedure that is dynamically connected is, earlier by remote-controlled vehicle ROV (Remotely Operated Vehicle) control H frame, the pipeline that needs on the sea bed to dock is supported, realize the alignment of pipeline axial position and radial position by aiming at facility again, last ROV handles flange and connects the connection that facility are finished piping flange automatically.Deep water nut of the present invention alignment and device for screwing up are the part that flange connects facility automatically, can be used to tighten hexagon head bolt or stud, and the axial alignment that it not only can make nut and corresponding bolt can also realize being screwed into the nut function.By reasonable control pretightening force, guarantee the tightness that flange connects.
Technological scheme nut storehouse among the Sonsub International Ltd. (Sonsub international corporation) 1998 among the disclosed METHODAND APPARATUS FOR CONNECT-ING UNDERWATER CONDUITS (deep underwater pipes connecting means and equipment) is the three-clove style structure, can not rotate the hole, finishing needs other supplementary equipment to the hole, so complex structure; Technological scheme among the Allseas Group S.A. (Allseas group) 1998 among the disclosed METHOD AND APPARATUS FOR UNDERWATER CONNECTIONOF PIPE PIECES AND BOLT THEREFOR (the bolted method and apparatus of submarine pipeline), bolt storehouse and nut storehouse are to be connected as a single entity, and do not help transportation and make things convenient for ROV to carry; The bolt storehouse and the nut storehouse of the technological scheme among the disclosed REMOTE BOLTED FLANGE CONNECTION APPARATUS ANDMETHODS OF OPERATION THEREOF among the STOLT OFFSHORE LIMITED. (STOLT OFFSHORE LIMITED company) 2001 (apparatus and method for that long-range bolt flange connects) also are connected as a single entity, mechanism hand is installed on it, is used for auxiliary inserting bolt.It is bulky, and structure is very complicated.
(3) summary of the invention
The object of the present invention is to provide a kind of function that bolt was regulated and be screwed into to nut to the hole that has, can satisfy deep water submarine pipeline flange and align and device for screwing up from the nut that is dynamically connected from the deep water flange of the requirement that is dynamically connected.
The object of the present invention is achieved like this: be made up of bearing 1, open and close device 2, accent hole device 3 and spanner seat 4 four parts, open and close device 2 is installed on the bearing 1 by folding positioning shaft 6, the anterior baffle plate installed inside of bearing has two folding oil hydraulic cylinders 10 that drive open and close device 2, transfer hole device 3 to be installed in open and close device 2 inboards, spanner seat 4 is installed in by the axle as guide rail and transfers on the hole device 3; Described open and close device mainly comprises positioning hole 9, described folding oil hydraulic cylinder 10, fulcrum 11, transfers hole oil hydraulic cylinder 12, grooved track 13; Described accent hole device structure mainly comprises outer tile 14, driving lever 15, interior tile 16, feeding hydrocylinder 17, axis hole 18; The radial displacement that hole device and open and close device are transferred in outer tile 14 constraints, interior tile 16 inwalls are installed described feeding hydrocylinder 17, outer tile 14 and interior tile 16 are fixed by a bar or rib, driving lever 15 1 ends are cemented on the interior tile 16, one end is connected with the accent hole oil hydraulic cylinder 12 of open and close device, outer tile 14, interior tile 16 are clamped open and close device 2, transfer hole device 3 circumferentially to rotate along grooved track 13 by described bar or rib between the tile; There are two pairs of axis holes 18 inside of each accent hole device of half, two axles is installed as guide rail, and spanner seat 4 is realized axial moving along this axial guidance, and the feeding hydrocylinder 17 of interior tile inwall drives spanner seat 4 along the axial trajectory feeding or retreat.
The present invention can also comprise:
1, described bearing is provided with ROV Interface Module 5, folding positioning shaft 6, hydraulic fluid port 7 and anchor clamps 8.
2, described spanner seat is made up of spanner storehouse 19, spanner 20 and oil hydraulic cylinder seat 21; Oil hydraulic cylinder seat 21 be installed on the spanner storehouse 19 and the spanner storehouse fixed, eight oil hydraulic cylinders are installed in the oil hydraulic cylinder seat, be used for tensile bolt.
The present invention is that a kind of deep water flange is from the nut alignment and the device for screwing up structural design that are dynamically connected.It has the function that bolt was regulated and be screwed into to nut to the hole, can satisfy deep water submarine pipeline flange from the requirement that is dynamically connected.
The present invention is according to existing data, and that designs is applicable to that deep water flange is from the nut alignment and the device for screwing up that are dynamically connected.Nut is installed in the spanner storehouse in nut storehouse, and the nut number is identical with the flange hole count.Under the feeding hydrocylinder effect, nut is done feed movement with the spanner storehouse along pipeline; Transferring under the oil hydraulic cylinder effect of hole, nut can rotate around pipeline again with the spanner storehouse.Can realize that like this nut and aliging of bolt axis are screwed into the function of bolt with nut.
The present invention is simple in structure, reliability is high, and applicable to 3000 meters piping flange under water from being dynamically connected.
(4) description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of bearing;
Fig. 3 is the structural representation of open and close device;
Fig. 4 is a structural representation of transferring the hole device;
Fig. 5 is the structural representation of spanner seat.
(5) embodiment
For example the present invention is done description in more detail below in conjunction with accompanying drawing:
In conjunction with Fig. 1, the nut storehouse is regulated device for screwing up to the hole and mainly is made up of bearing 1, open and close device 2, accent hole device 3 and spanner seat 4 four major parts.Wherein open and close device 2, accent hole device 3 and spanner seat 4 constitute the nut storehouses.Bearing 1 bearing screwed cap storehouse also navigates to the nut storehouse on the connecting tube, in order to the setscrew nut storehouse; Open and close device 2 is in order to the half nuts storehouse; Transfer hole device 3 to align with flange hole in order to regulate the spanner seat; Spanner seat 4 can be realized stretching and the action of fastening nut.
In conjunction with Fig. 2, bearing mainly comprises: ROV Interface Module 5, folding positioning shaft 6, hydraulic fluid port 7, anchor clamps 8.Bearing 1 is the carrier in whole nut storehouse, is used for the bearing screwed cap storehouse, and it is in occupation of the most of quality and the volume in nut storehouse.The nut storehouse combines with ROV by ROV Interface Module 5, realizes that solid space moves under water.The ROV Interface Module is a common interface module, in order to contact working tool and ROV.Folding positioning shaft 6 is installed in the axis hole with the carrying open and close device.Two oil hydraulic cylinders of anterior baffle plate installed inside of bearing are to drive open and close device 2, and the cylinder bucket of oil hydraulic cylinder is to be installed on the anterior baffle plate of bearing with hinged form.The oil sources common interface module is installed at hydraulic fluid port 7 places, realizes that by it ROV gives nut storehouse fuel feeding.Anchor clamps 8 are in order to the setscrew nut storehouse.
It mainly contains following function nut storehouse bearing: the prop carrier in (1) nut storehouse; (2) combine with the ROV common interface module, realize moving of nut storehouse under water; (3) have buoyancy block on it, alleviate the underwater relative weight in nut storehouse; (4) combine with the oil sources common interface module, realize the ROV fuel feeding; (5) be positioned the connected tube pipeline outer wall.
In conjunction with Fig. 3, open and close device mainly comprises: positioning hole 9, folding oil hydraulic cylinder 10, fulcrum 11, accent hole oil hydraulic cylinder 12, grooved track 13.Positioning hole 9 machining accuracies are higher, and the smooth anti-friction of its internal surface.Second precision in nut storehouse depends on this positioning hole (first precision depends on the anchor clamps in nut storehouse).The folding oil hydraulic cylinder belongs to the 3rd precision, if the folding precision does not reach, nut can not align with bolt too well.Folding oil hydraulic cylinder 10 pulling open and close device integral body are rotated the open and close movement that realizes open and close device around fulcrum 11.Transfer hole oil hydraulic cylinder 12 to be installed on the open and close device realizing aliging of spanner and flange hole, it is connected with driving lever on the device of accent hole.The straight line motion of oil hydraulic cylinder be converted to transfer the hole device around axial rotation.Grooved track 13 has two effects, and one is transferred the driving lever of hole device can run through open and close device and is connected the rotation of realization accent hole device with oil hydraulic cylinder on the open and close device; Its two, transfer the hole device why can be installed on the semicircular open and close device, be because a grooved track is arranged, clamp open and close device with two-layer circular arc tile, formed the radial constraint of transferring hole device and open and close device like this, can circumferential movement, and radially mobile not.In a word, the function of open and close device is to realize the folding in nut storehouse, and cooperates with bearing and accent hole device, finishes other function.
In conjunction with Fig. 4, transfer hole device structure mainly to comprise: outer tile 14, driving lever 15, interior tile 16, feeding hydrocylinder 17, axis hole 18.The radial displacement that hole device and open and close device are transferred in outer tile 14 constraints, its inwall will have very high surface treatment.Interior tile 16 inwalls are installed an oil hydraulic cylinder, and outer wall is done surface treatments such as correct grinding (because it has contacting of sliding friction with open and close device, can be called the 4th influences precision).Outer tile 14 and interior tile 16 are fixed by a bar or rib, guarantee cylindricity and gap between interior tile 16 and the outer tile 14.Open and close device is clipped in and rotates between outer tile 14 and the interior tile 16 to realize transferring the hole process.On the tile 16, an end was connected with the accent hole oil hydraulic cylinder 12 of open and close device in driving lever 15 1 ends were cemented in, and elongated or shortened by the accent hole oil hydraulic cylinder 12 on the open and close device, drove driving lever 15 and swung back and forth, and realized transferring the hole process.There are two axis holes 18 inside of each accent hole device of half, two axles is installed as guide rail, and spanner seat 4 is realized axial moving along this axial guidance.The feeding hydrocylinder 17 of interior tile inwall drives spanner seat 4 along the axial trajectory feeding or retreat.Transfer the hole device in order to realize the alignment of nuts and bolt.Its driving lever is connected with accent hole oil hydraulic cylinder 12 on the open and close device, to realize transferring the rotation of hole device.Generally speaking, the major function of transferring the hole device is the accent hole of realizing the nut storehouse, also can cooperate the auxiliary function that realizes other of open and close device and spanner seat.
In conjunction with Fig. 5, spanner seat 4 is nut storehouse most important parts, the motion of bearing tensile bolt and finally tighting a bolt.It mainly is made up of spanner storehouse 19, spanner 20 and oil hydraulic cylinder seat 21.Oil hydraulic cylinder seat 21 be installed on the spanner storehouse 19 and the spanner storehouse fixed, eight oil hydraulic cylinders are installed in the oil hydraulic cylinder seat, be used for tensile bolt.Assembly wrench 20 in the spanner seat spanner storehouse, it is a special spanner, and each spanner storehouse of half is equipped with eight spanners, and spanner 20 is connected by coupling with oil hydraulic cylinder seat 21 interior oil hydraulic cylinders, forms a stretching impact wrench device.Moving vertically by external feeding hydrocylinder 17 in spanner storehouse 19, realizes the axial feed of whole spanner seat 4.
To sum up, it is to be used for adjusting nut to align with corresponding bolt axle center that the nut storehouse mainly acts on, the device of fastening nut afterwards, and it has five elementary processes:
(1) clamp, the location of initial tract is a clamping process, and action is realized clamping by the anchor clamps on the bearing 8 in whole nut storehouse.This process is the first step of nut storehouse work, navigates on the pipeline outer wall by the self poisoning device, realizes that nut storehouse Primary Location is to the pipeline outer wall that is welded with fastening flange one side.
(2) folding, opening and closing movement is finished by folding oil hydraulic cylinder 10 on the bearing and open and close device 2, opens and the open and close device that closes by stretching of oil hydraulic cylinder.This is second step of nut storehouse work, and it to pipeline, is arranged on the circumference 16 spanners 20, realizes that nut is screwed into.
(3),,, will equivalence be to transfer the hole device around the certain angle of axial rotation as long as oil hydraulic cylinder elongates or shortens certain distance by transferring hole oil hydraulic cylinder 12 and driving lever 15 to finish jointly to the hole action to the hole.This is the 3rd step of nut storehouse work, and it is spanner 20 and flange hole alignment, and briefly this is rotatablely moving of an open and close device 2.
(4) feeding, the feeding of spanner seat 4 axial feeds to guarantee that nut is screwed into, it transfers the stretching of feeding hydrocylinder 17 of device inboard, hole to realize the feeding of spanner seat by being installed in.This process is the 4th step of nut storehouse work, and it is mainly used to feed nut, as long as feed speed and the nut speed that is screwed into that guarantees equates.
(5) tighten, finally realize tightening of nut by the special spanner in the spanner seat 4.
Claims (3)
1, a kind of deep water flange is from the nut alignment and the device for screwing up that are dynamically connected, form by bearing [1], open and close device [2], accent hole device [3] and spanner seat [4] four parts, it is characterized in that: open and close device [2] is installed on the bearing [1] by folding positioning shaft [6], the anterior baffle plate installed inside of bearing has two folding oil hydraulic cylinders [10] that drive open and close device [2], transfer hole device [3] to be installed in open and close device [2] inboard, spanner seat [4] is installed in by the axle as guide rail and transfers on the hole device [3]; Described open and close device mainly comprises positioning hole [9], described folding oil hydraulic cylinder [10], fulcrum [11], transfers hole oil hydraulic cylinder [12], grooved track [13]; Described accent hole device structure mainly comprises outer tile [14], driving lever [15], interior tile [16], feeding hydrocylinder [17], axis hole [18]; The radial displacement that hole device and open and close device are transferred in outer tile [14] constraint, interior tile [16] inwall is installed described feeding hydrocylinder [17], outer tile [14] and interior tile [16] are fixed by a bar or rib, driving lever [15] one ends are cemented on the interior tile [16], one end is connected with the accent hole oil hydraulic cylinder [12] of open and close device, outer tile [14], interior tile [16] are clamped open and close device [2], transfer hole device [3] circumferentially to rotate along grooved track [13] by described bar between the tile or rib; There are two pairs of axis holes [18] inside of each accent hole device of half, two axles is installed as guide rail, and spanner seat [4] is realized axial moving along this axial guidance, and the feeding hydrocylinder of interior tile inwall [17] drives spanner seat [4] along the axial trajectory feeding or retreat.
2, deep water flange according to claim 1 is from the nut alignment and the device for screwing up that are dynamically connected, and it is characterized in that: described bearing is provided with ROV Interface Module [5], folding positioning shaft [6], hydraulic fluid port [7] and anchor clamps [8].
3, deep water flange according to claim 1 and 2 is from the nut alignment and the device for screwing up that are dynamically connected, and it is characterized in that: described spanner seat is made up of spanner storehouse [19], spanner [20] and oil hydraulic cylinder seat [21]; Oil hydraulic cylinder seat [21] is installed in that go up in spanner storehouse [19] and the spanner storehouse is fixed, and eight oil hydraulic cylinders of installation in the oil hydraulic cylinder seat are used for tensile bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810064293A CN100588863C (en) | 2008-04-15 | 2008-04-15 | Deep water flange automatic connection nut aligning and screwing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810064293A CN100588863C (en) | 2008-04-15 | 2008-04-15 | Deep water flange automatic connection nut aligning and screwing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101260951A CN101260951A (en) | 2008-09-10 |
| CN100588863C true CN100588863C (en) | 2010-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810064293A Active CN100588863C (en) | 2008-04-15 | 2008-04-15 | Deep water flange automatic connection nut aligning and screwing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN100588863C (en) |
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| CN105164879B (en) * | 2013-03-26 | 2017-12-26 | 普睿司曼股份公司 | For can the automatic of wet type mating connection component tighten device |
| CN104344078B (en) * | 2014-08-12 | 2016-03-02 | 山东科技大学 | Deep underwater pipes clamp-press type mechanical connector Intelligent Installation device and using method thereof |
| CN104315284B (en) * | 2014-09-19 | 2016-07-06 | 周庆涛 | Mechanical pipe block threeway |
| CN104329522B (en) * | 2014-09-19 | 2016-11-16 | 周庆涛 | Mechanical pipe block |
| CN105619062B (en) * | 2014-10-31 | 2018-04-10 | 中国航空工业集团公司西安飞机设计研究所 | A kind of device to hole instrument |
| CN105757393B (en) * | 2014-12-19 | 2017-12-08 | 中石化胜利石油工程有限公司钻井工艺研究院 | A kind of pipeline connection and sealing device |
| GB2559095A (en) * | 2016-04-01 | 2018-08-01 | Steadfast Engineering Ltd | Apparatus for use in forming a bolted connection subsea |
| CN106439222B (en) * | 2016-11-03 | 2018-09-04 | 东北石油大学 | A kind of submarine pipeline connection installation underwater robot |
| CN109595228B (en) * | 2019-01-11 | 2020-06-16 | 哈尔滨工程大学 | Installation and separator of ball valve executor under water |
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| CN110541994B (en) * | 2019-07-16 | 2021-03-30 | 深圳海油工程水下技术有限公司 | Plugging pipe clamp device and locking device for plugging pipe clamp |
| CN110541985A (en) * | 2019-08-23 | 2019-12-06 | 深圳海油工程水下技术有限公司 | Connector for sea pipe |
| CN110541995A (en) * | 2019-08-27 | 2019-12-06 | 深圳海油工程水下技术有限公司 | Clamping device of submarine pipeline plugging pipe and submarine pipeline plugging equipment |
| CN110541996B (en) * | 2019-08-27 | 2021-05-28 | 深圳海油工程水下技术有限公司 | Sealing device of sea pipe leaking stoppage pipe clamp and sea pipe leaking stoppage equipment |
| CN111022765B (en) * | 2019-12-13 | 2021-05-28 | 深圳海油工程水下技术有限公司 | Installation frame for sea pipe maintenance equipment |
| CN113623461B (en) * | 2021-08-02 | 2022-08-19 | 大连理工大学 | Automatic assembling and disassembling machine tool for underwater vertical pipeline clamp type connector |
| CN113927537B (en) * | 2021-10-14 | 2024-04-05 | 上海中船临港船舶装备有限公司 | Device for installing submarine nut and installation method thereof |
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|---|---|---|---|---|
| GB1561865A (en) * | 1976-04-30 | 1980-03-05 | Hydrotech Int Inc | Apparatus for performing work on a subsea pipe |
| US4304505A (en) * | 1979-01-08 | 1981-12-08 | Saipem, S.P.A. | Method for repairing a damaged pipe laid on deep sea beds |
| US4832530A (en) * | 1988-02-08 | 1989-05-23 | Andersen Scott F | Apparatus and method for joining pipe sections underwater |
-
2008
- 2008-04-15 CN CN200810064293A patent/CN100588863C/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1561865A (en) * | 1976-04-30 | 1980-03-05 | Hydrotech Int Inc | Apparatus for performing work on a subsea pipe |
| US4304505A (en) * | 1979-01-08 | 1981-12-08 | Saipem, S.P.A. | Method for repairing a damaged pipe laid on deep sea beds |
| US4832530A (en) * | 1988-02-08 | 1989-05-23 | Andersen Scott F | Apparatus and method for joining pipe sections underwater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101260951A (en) | 2008-09-10 |
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Effective date of registration: 20100115 Address after: Building 1, 145 Nantong Avenue, Nangang District, Heilongjiang, Harbin Province, intellectual property office, science and Technology Department, Harbin Engineering University: 150001 Co-patentee after: Offshore Oil Engineering Co., Ltd. Patentee after: Harbin Engineering University Address before: Building 1, 145 Nantong Avenue, Nangang District, Heilongjiang, Harbin Province, intellectual property office, science and Technology Department, Harbin Engineering University: 150001 Patentee before: Harbin Engineering Univ. |
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Inventor after: Zhao Dongyan Inventor after: Ma Baojia Inventor after: Wang Liquan Inventor after: Wang Wenming Inventor after: Liu Jun Inventor after: Zhang Lan Inventor before: Wang Liquan Inventor before: Wang Chengjun Inventor before: Wang Wenming Inventor before: Ma Baojia Inventor before: Liu Mingzhu Inventor before: Li Wei Inventor before: Wu Xuwei Inventor before: Liu Jun Inventor before: Zhang Lan Inventor before: Lin Qiuhong |
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Free format text: CORRECT: INVENTOR; FROM: WANG LIQUAN WANG WENMING MA BAOJIA LIU MINGZHU LI WEI WU XUWEI LIU JUN ZHANG LAN LIN QIUHONG WANG CHENGJUN TO: ZHAO DONGYAN MA BAOJIA WANG LIQUAN WANG WENMING LIU JUN ZHANG LAN |
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Owner name: OFFSHORE OIL ENGINEERING CO., LTD. HARBIN ENGINEER Free format text: FORMER OWNER: OFFSHORE OIL ENGINEERING CO., LTD. Owner name: CHINA MARINE PETROLEUM GENERAL CO. Free format text: FORMER OWNER: HARBIN ENGINEERING UNIV. Effective date: 20100927 |
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Free format text: CORRECT: ADDRESS; FROM: 150001 TO: 100000 |
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Effective date of registration: 20100927 Address after: 100000, 25 North Main Street, Dongcheng, Beijing, Chaoyangmen Co-patentee after: Offshore Oil Engineering Co., Ltd. Patentee after: China National Offshore Oil Corporation Co-patentee after: Harbin Engineering Univ. Address before: 150001 Heilongjiang, Nangang District, Nantong street, building No. 145, Harbin Engineering University, Intellectual Property Office Co-patentee before: Offshore Oil Engineering Co., Ltd. Patentee before: Harbin Engineering Univ. |
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Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: Offshore Oil Engineering Co., Ltd. Patentee after: China Offshore Oil Group Co., Ltd. Co-patentee after: Harbin Engineering Univ. Address before: 100000 Chaoyangmen North Street, east city, Beijing, No. 25 Co-patentee before: Offshore Oil Engineering Co., Ltd. Patentee before: China National Offshore Oil Corporation Co-patentee before: Harbin Engineering Univ. |
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