CN113236861B - Be applied to instrument of drawing near of connector under water - Google Patents
Be applied to instrument of drawing near of connector under water Download PDFInfo
- Publication number
- CN113236861B CN113236861B CN202110328205.2A CN202110328205A CN113236861B CN 113236861 B CN113236861 B CN 113236861B CN 202110328205 A CN202110328205 A CN 202110328205A CN 113236861 B CN113236861 B CN 113236861B
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- pulling
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- hydraulic
- tool
- structure frame
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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
- F16L1/12—Laying or reclaiming pipes on or under water
- F16L1/20—Accessories therefor, e.g. floats, weights
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/22—Synchronisation of the movement of two or more servomotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1428—Cylinders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1457—Piston rods
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/17—Characterised by the construction of the motor unit of the straight-cylinder type of differential-piston type
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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
- F16L1/12—Laying or reclaiming pipes on or under water
- F16L1/16—Laying or reclaiming pipes on or under water on the bottom
- F16L1/161—Laying or reclaiming pipes on or under water on the bottom the pipe being composed of sections of short length
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a drawing-in tool applied to an underwater connector, which is arranged between a second installation position of the underwater connector and a first installation position of a lower flange frame, and comprises: transfer piece, flying head subassembly, link and the subassembly of drawing near, transfer the piece for the type of falling U structure frame, fly head subassembly detachable and connect on the type of falling U structure frame, the number of link is two and articulates respectively at the both ends of the type of falling U structure frame, the number of the subassembly of drawing near is two and is connected with two link one-to-ones respectively, wherein the subassembly of drawing near is placed on first mounted position and second mounted position. The pulling-up tool disclosed by the invention adopts a double-hydraulic-cylinder driving mode, the overturning force is effectively reduced, and meanwhile, the pulling-up tool is strong in reliability, high in use safety coefficient and long in service cycle.
Description
Technical Field
The utility model relates to an offshore oil engineering technical field particularly, in particular to be applied to instrument of drawing close of connector under water.
Background
Since the introduction of human beings into the industrial society, the demand for energy represented by petroleum is continuously increasing. However, as petroleum is a non-renewable resource, the limited petroleum resources on land have been unable to meet the increasing demand of human beings with continuous consumption. Therefore, the exploration and development of marine oil and gas resources have become the focus and focus of attention of industrial countries in the world.
Subsea production systems are an important part of marine equipment. With the development of oceans from offshore to deep sea to blue sea, the technical difficulty is gradually increased, a large number of pipelines are required for the exploitation and transportation of petroleum and natural gas, the installation of the pipelines is a very important part of the oceans production, the pipelines are also main channels for crude oil transportation, the pipeline connection technology is a very key technology, the connection technology is gradually developed, a large number of novel connectors emerge, and unmanned rapid and reliable connection of the pipelines becomes the trend of the existing underwater connectors. However, the underwater pipeline connector in use at present is inconvenient to use, has larger error in the drawing-in process and lower use safety factor.
Disclosure of Invention
The present invention aims to solve at least to some extent one of the above-mentioned technical problems of the prior art. In view of the above, the present invention needs to provide a pulling-up tool applied to an underwater connector, which employs a dual hydraulic cylinder driving manner, effectively reduces overturning force, and has the advantages of strong reliability, high safety factor, and long service life.
The invention provides a drawing-in tool applied to an underwater connector, which is arranged between a second installation position of the underwater connector and a first installation position of a lower flange frame, and comprises: transfer piece, flying head subassembly, link and the subassembly of drawing near, transfer the piece for falling U type structure frame, flying head subassembly detachable connects fall U type structure frame is last, the number of link is two and articulates respectively fall U type structure frame's both ends, the number of drawing near the subassembly be two and respectively with two the link one-to-one is connected, wherein draw near the subassembly place in first mounted position with on the second mounted position.
According to one embodiment of the invention, the inverted U-shaped structure frame is provided with a mounting hole.
According to one embodiment of the invention, the flying head assembly comprises a hydraulic flying head, a hydraulic flying head sleeve and a pressing cover, wherein one end of the hydraulic flying head is inserted into the pressing cover, penetrates through the mounting hole in the inverted U-shaped structure frame and is connected with the hydraulic flying dragon sleeve on the other side of the inverted U-shaped structure frame.
According to one embodiment of the invention, the connecting frame comprises a first connecting rod and a second connecting rod, one end of the first connecting rod and one end of the second connecting rod are both hinged with the inverted U-shaped structural frame, the other end of the first connecting rod is connected with the front end of the approaching assembly, and the other end of the second connecting rod is connected with the rear end of the approaching assembly.
According to one embodiment of the invention, the angle formed by the inverted U-shaped structural frame and the vertical plane along the vertical direction ranges from 0 to 65 degrees.
According to one embodiment of the invention, the drawing assembly comprises a hydraulic cylinder and a positioning semicircular plate, the hydraulic cylinder comprises a cylinder body and a piston rod, one end of the piston rod is inserted into the cylinder body, the other end of the piston rod is provided with a connector, and the positioning semicircular plate is half-wrapped on the cylinder body and is arranged close to the connector.
According to one embodiment of the invention, the surface of the hydraulic cylinder is subjected to electroplating treatment, wherein the electroplating treatment is performed in the sequence that a dark nickel layer is plated on the surface of the hydraulic cylinder, and then a bright nickel layer is plated on the outer surface of the dark nickel layer.
According to one embodiment of the invention, the piston rod is a chrome plated rod.
The invention relates to a pulling-up tool applied to an underwater connector, which is directed at the pulling-up process of a horizontal hoop connector and a lower flange in the underwater installation step and plays a role in pulling up and separating the connector and the lower flange in the follow-up work of disassembling and installing a sealing ring; the hydraulic system for simultaneously driving the hydraulic cylinder and the hydraulic flying head adopts a synchronous loop controlled by the branch flow dividing valve, so that the speed of the double hydraulic cylinders during the drawing can be synchronized, and the reliability of the drawing tool is improved; the lowering piece can rotate 65 degrees when in use, so that the subsequent working efficiency of the ROV wrench is improved; the oil way of the drawing tool is arranged in the inverted U-shaped structure frame, so that the oil way can be protected, and the safety and the quality of engineering are ensured; the surface of the hydraulic cylinder in the drawing assembly is subjected to electroplating treatment, so that the wear resistance and corrosion resistance of the hydraulic cylinder are improved, and the service cycle of the drawing tool is prolonged.
Drawings
FIG. 1 is a schematic view of a pull-up tool according to the present invention for use with a subsea connector.
Fig. 2 is a schematic diagram of a hydraulic system in a pulling-up tool for a subsea connector according to the present invention.
Fig. 3 is an exploded view of the closeout tool of fig. 1.
Fig. 4 is a state view of the use of a lowering member in a pulling-up tool applied to a subsea connector according to the present invention.
Fig. 5 is a schematic view showing the overall use of a pulling-up tool applied to an underwater connector according to the present invention.
Reference numerals are as follows: 1, lowering a piece; 2-a fly-head assembly; 3-a connecting frame; 4-pulling the assembly closer; 10-a connector; 11-mounting holes; 20-a pilot operated check valve; 21-a hydraulic fly head; 22-a hydraulic head-fly sleeve; 23-a gland; 30-a diverter valve; 31-a first connecting rod; 32-a second connecting rod; 40-three-position four-way electromagnetic directional valve; 41-hydraulic cylinder; 42-positioning the semicircular plate; 43-an oil inlet; 44-an oil outlet; 50-a hydraulic pump; 60-relief valves; 101-a front cover plate; 102-a rear cover plate; 103-bell mouth guiding; 411-cylinder body; 412-a piston rod; 413-connecting head.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present invention and should not be construed as limiting the present invention.
As shown in fig. 1 to 5, a pull-up tool applied to a subsea connector, installed between a second installation location of the subsea connector 100 and a first installation location of a lower flange frame, comprises: transfer 1, fly the head subassembly 2, link 3 and draw subassembly 4, transfer 1 and for falling U type structure frame, fly head subassembly 2 detachable and connect on falling U type structure frame, the number of link 3 is two and articulates respectively at the both ends of falling U type structure frame, draws the number of subassembly 4 to be two and be connected with two link 3 one-to-one respectively, wherein draws subassembly 4 to place on first mounted position and second mounted position.
The invention relates to a pulling-up tool applied to an underwater connector, which is directed at the pulling-up process of a horizontal hoop connector and a lower flange in the underwater installation step and plays a role in pulling up and separating the connector and the lower flange in the follow-up work of disassembling and installing a sealing ring, and in a specific structure, a double-hydraulic-cylinder driving mode is adopted in a pulling-up component 4, so that the overturning force can be effectively reduced; the hydraulic system for simultaneously driving the hydraulic cylinder 41 and the hydraulic flying head 21 adopts a synchronous loop controlled by the diversity flow valve, so that the speed of the double hydraulic cylinders during the drawing can be synchronized, and the reliability of the drawing tool is improved; the lowering piece 1 can rotate 65 degrees when in use, so that the subsequent work efficiency of the ROV wrench is improved; the oil way of the drawing tool is arranged in the inverted U-shaped structure frame, so that the oil way can be protected, and the safety and the quality of engineering are ensured; the surface of the hydraulic cylinder 41 in the drawing assembly 4 is electroplated, so that the wear resistance and corrosion resistance of the drawing assembly are improved, and the service cycle of the drawing tool is prolonged.
As shown in fig. 1, 3 to 5, the inverted U-shaped structural frame is provided with a mounting hole 11; the flying head assembly 2 comprises a hydraulic flying head 21, a hydraulic flying head sleeve 22 and a gland 23, one end of the hydraulic flying head 21 is inserted on the gland 23, and is arranged in a mounting hole 11 on the inverted U-shaped structure frame in a penetrating way and is connected with a hydraulic flying sleeve 22 on the other side of the inverted U-shaped structure frame, wherein an ROV wrench connects a hydraulic system and a drawing tool by using the hydraulic flying head 21 to start the drawing tool, in the specific structural design, the hydraulic system adopts a synchronous loop controlled by a branch flow dividing valve, the speed of the double-cylinder drawing can be synchronized, so that the reliability of the drawing tool is effectively improved, and the synchronization precision is effectively increased, the hydraulic system adopting the design mainly considers that only one displacement is required during each drawing, the displacement error accumulation cannot be caused, the hydraulic system is simple and economical, the financial resources are saved, the engineering cost is reduced, a schematic diagram controlled by the branch flow dividing valve of the hydraulic system is shown in FIG. 2, the schematic diagram comprises a check valve 20, a flow dividing valve 30, a three-position electromagnetic reversing valve 40, a hydraulic pump 50 and a hydraulic pump 60, the connection relationship of all valves needs to be understood, the drawing structures are the effective protection of the hydraulic system is realized by the inverted U-shaped structure frame, the effective protection oil circuit and the effective protection of the inverted U-shaped structure protection oil circuit in the inverted U-shaped structure frame, so that the safety protection structure can be ensured, and the effective oil circuit can be arranged in the process of the inverted U-type oil circuit in the engineering frame;
in a specific structure, one end of a cylinder head of a hydraulic cylinder 41 is a fixed end, one end of the other end of the hydraulic cylinder 41, which is provided with a positioning semicircular plate 42, is a moving end, and a pulling tool needs to connect and separate a connector 10 and a lower flange, as shown in fig. 3, when the pulling tool is pulled, pressure oil enters from an oil inlet 43 of the hydraulic cylinder 41, a two-position three-way reversing valve 40 reverses to the left position, a flow is split by a flow splitting valve 30, the pressure oil enters the hydraulic cylinder from a hydraulic control one-way valve 20, a piston rod 412 moves upwards, when the pulling tool is pulled, the two-position three-way reversing valve 40 reverses to the right position, the pressure oil enters from an oil outlet 44 of the hydraulic cylinder 41, at the moment, the piston moves downwards under the action of the pressure oil, the hydraulic control one-way valve 20 is jacked by the piston rod 412 to connect the oil inlet 43 and the oil outlet 44, and at the moment, the inlet pressure of the hydraulic control one-way valve is greater than the outlet pressure.
As shown in fig. 1 and 3 to 5, the connecting frame 3 includes a first connecting rod 31 and a second connecting rod 32, one end of the first connecting rod 31 and one end of the second connecting rod 32 are both hinged to the inverted U-shaped structural frame, the other end of the first connecting rod 31 is connected to the front end of the pulling-up assembly 4, and the other end of the second connecting rod 32 is connected to the rear end of the pulling-up assembly 4.
As shown in fig. 4, the angle between the inverted U-shaped structural frame and the vertical plane along the vertical direction is 0 to 65 degrees, and after the pulling-in tool is lowered and installed, the inverted U-shaped structural frame can be rotated 65 degrees, so that the operating space for subsequent work of the ROV wrench is increased.
As shown in fig. 1 and 3 to 5, the drawing assembly 4 includes a hydraulic cylinder 41 and a positioning semicircular plate 42, the hydraulic cylinder 41 includes a cylinder body 411 and a piston rod 412, one end of the piston rod 412 is inserted into the cylinder body 411, the other end of the piston rod 412 is provided with a connector 413, the positioning semicircular plate 42 is half-wrapped on the cylinder body and is arranged near the connector 413, in the specific structural design, the piston in the hydraulic cylinder 412 is made of 45 # steel, the piston rod 412 is made of a chromium-plated rod, and meanwhile, as the drawing tool repeatedly works underwater, the surface of the hydraulic cylinder 41 is electroplated, wherein the electroplating sequence is that a dark nickel layer is firstly plated on the surface of the hydraulic cylinder 41, and then a bright nickel layer is plated on the outer surface of the dark nickel layer, so as to effectively increase the wear resistance and corrosion resistance of the hydraulic cylinder 41;
the locating semicircular plate 42 is welded on the cylinder 411, when the pulling-up tool is put down, the locating semicircular plate 42 is clamped into the second installation position, namely, into the gap between the upper front cover plate 101 and the rear cover plate 102 of the connector, and the connecting head 413 is vertically clamped into the pulling-up fixed end of the lower flange along the bell mouth guide 103 of the lower flange rack.
As shown in fig. 1 to 5, the installation and use of the pulling-up tool applied to the underwater connector of the present invention are as follows:
when the connecting device is installed, the front end of a cylinder body 411 of a hydraulic cylinder 41 is welded with a positioning semicircular plate 42, two connecting frames 3 and the hydraulic cylinder 41 form a triangular frame shape, the connecting frames 3 and the hydraulic cylinder 41 are connected through a bolt group, and the two connecting frames 3 are connected through screws and pins and are connected to an inverted U-shaped structural frame together; a pipeline of a hydraulic oil way is arranged in a frame body formed by the inverted U-shaped structure frame and the connecting frame 3, and the inverted U-shaped structure frame is provided with a mounting hole 11 of a hydraulic flying head 21; when the connector is used, as shown in fig. 5, during downward lowering, the flare guide at the lower flange frame and the flare guide 103 at two sides of the connector 10 are used to enable a pulling-up tool to be smoothly connected with the connector 10 and the lower flange frame, the positioning semicircular plate 41 is clamped into a gap between the front cover plate 101 and the rear cover plate 102 of the connector 10, before starting, an ROV wrench is used to insert the hydraulic flyhead 21 into the mounting hole 11 on the inverted U-shaped structure frame, the pulling-up tool is connected with a hydraulic system on the water surface, then the hydraulic system is started, the pulling-up tool pulls the connector 10 to move towards the lower flange direction, the direction shown by the arrow in fig. 5 is the pulling-up direction, after the pulling-up operation is completed, the inverted U-shaped structure frame is rotated by 65 degrees by the ROV wrench, and the subsequent operation is convenient.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (5)
1. A kind of tool of pulling close used for underwater connector, install between second mounting position of the underwater connector and first mounting position of the lower flange framework, characterized by, comprising: the flying head assembly comprises a lowering piece, flying head assemblies, connecting frames and a pulling-in assembly, wherein the lowering piece is an inverted U-shaped structure frame, the flying head assemblies are detachably connected to the inverted U-shaped structure frame, the number of the connecting frames is two, the two connecting frames are respectively hinged to two ends of the inverted U-shaped structure frame, the number of the pulling-in assemblies is two, the two pulling-in assemblies are respectively connected with the two connecting frames in a one-to-one correspondence mode, and the pulling-in assembly is placed on the first installation position and the second installation position;
the drawing assembly comprises a hydraulic cylinder and a positioning semicircular plate, the hydraulic cylinder comprises a cylinder body and a piston rod, one end of the piston rod is inserted into the cylinder body, the other end of the piston rod is provided with a connector, and the positioning semicircular plate is half-wrapped on the cylinder body and is arranged close to the connector;
the connecting frame comprises a first connecting rod and a second connecting rod, one end of the first connecting rod and one end of the second connecting rod are both hinged with the inverted U-shaped structure frame, the other end of the first connecting rod is connected with the front end of the drawing assembly, and the other end of the second connecting rod is connected with the rear end of the drawing assembly; the angle range between the inverted U-shaped structure frame and a vertical plane along the vertical direction is 0-65 degrees.
2. The tool of claim 1, wherein the inverted U-shaped structural frame is provided with a mounting hole.
3. The pulling-up tool applied to the underwater connector as claimed in claim 2, wherein the flying head assembly comprises a hydraulic flying head, a hydraulic flying head sleeve and a pressing cover, one end of the hydraulic flying head is inserted into the pressing cover, and is inserted into the mounting hole of the inverted U-shaped structure frame and connected with the hydraulic flying dragon sleeve on the other side of the inverted U-shaped structure frame.
4. The tool of claim 1, wherein the surface of the hydraulic cylinder is plated, and the plating process is performed in the sequence of plating a dark nickel layer on the surface of the hydraulic cylinder and then plating a bright nickel layer on the surface of the dark nickel layer.
5. The pulling tool for use with an underwater connector as in claim 1, wherein the piston rod is a chrome plated rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110328205.2A CN113236861B (en) | 2021-03-26 | 2021-03-26 | Be applied to instrument of drawing near of connector under water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110328205.2A CN113236861B (en) | 2021-03-26 | 2021-03-26 | Be applied to instrument of drawing near of connector under water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113236861A CN113236861A (en) | 2021-08-10 |
| CN113236861B true CN113236861B (en) | 2023-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110328205.2A Active CN113236861B (en) | 2021-03-26 | 2021-03-26 | Be applied to instrument of drawing near of connector under water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113236861B (en) |
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| CN112059573A (en) * | 2020-09-01 | 2020-12-11 | 杭州智笙生物技术有限公司 | ROV operation equipment and method for flexible linkage of pipeline |
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| EP2722480B1 (en) * | 2012-10-17 | 2016-04-20 | Vetco Gray Scandinavia AS | Connection appliance and connection arrangement comprising such a connection appliance |
| CN104344077B (en) * | 2014-08-12 | 2016-03-02 | 山东科技大学 | Large diameter pipeline dike field device installation exercise robot under deep water complex environment |
| CN206568080U (en) * | 2017-03-20 | 2017-10-20 | 中石化石油工程机械有限公司第四机械厂 | A kind of recyclable underwater connector installation tool |
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|---|---|---|---|---|
| CN103291232A (en) * | 2013-06-03 | 2013-09-11 | 中国海洋石油总公司 | Mounting tool for underwater horizontal connector |
| CN103291233A (en) * | 2013-06-03 | 2013-09-11 | 中国海洋石油总公司 | Novel mounting tool of underwater horizontal connector |
| CN103510896A (en) * | 2013-10-09 | 2014-01-15 | 中国石油大学(北京) | Installing tool for horizontal sleeve type connector for deep water manifold |
| CN105443084A (en) * | 2015-11-25 | 2016-03-30 | 中国海洋石油总公司 | Installation tool of clamping jaw type connectors |
| CN107253161A (en) * | 2017-05-08 | 2017-10-17 | 哈尔滨工程大学 | A kind of subsea control modules installation tool |
| CN110067902A (en) * | 2019-05-15 | 2019-07-30 | 青岛理工大学 | Ocean deepwater oil-gas pipeline axle-pushing type hydraulic-driven quick coupling device |
| CN112059573A (en) * | 2020-09-01 | 2020-12-11 | 杭州智笙生物技术有限公司 | ROV operation equipment and method for flexible linkage of pipeline |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113236861A (en) | 2021-08-10 |
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