CN111059357B - Supporting platform for maintenance of marine pipe - Google Patents
Supporting platform for maintenance of marine pipe Download PDFInfo
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- CN111059357B CN111059357B CN201911227835.XA CN201911227835A CN111059357B CN 111059357 B CN111059357 B CN 111059357B CN 201911227835 A CN201911227835 A CN 201911227835A CN 111059357 B CN111059357 B CN 111059357B
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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
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Abstract
The invention discloses a supporting platform for marine pipe maintenance operation, which comprises a supporting base, a first pipe embracing mechanism, a second pipe embracing mechanism and a trolley system, wherein the first pipe embracing mechanism and the second pipe embracing mechanism are used for clamping a marine pipe in an openable and closable manner; the supporting base is provided with a marine vessel channel for a marine vessel to pass through, and the marine vessel channel extends from the first end of the supporting base to the opposite second end; the first pipe embracing mechanism and the second pipe embracing mechanism are arranged at the first end of the supporting base at intervals along the extending direction of the submarine pipeline channel; the pulley system is arranged on the second end of the supporting base in a manner of sliding back and forth along the extending direction of the marine pipe channel. The supporting platform for the subsea pipeline maintenance operation is suitable for underwater robot operation, realizes that a subsea pipeline maintenance port is fixed to a designed working height, is used for performing corresponding subsea maintenance operation on a subsea pipeline after an auxiliary frame for operation equipment installation is in place on the subsea pipeline maintenance port, and meets the subsea pipeline maintenance requirements.
Description
Technical Field
The invention relates to the technical field of underwater maintenance of a marine pipe, in particular to a supporting platform for marine pipe maintenance operation.
Background
In the underwater maintenance engineering of the deepwater marine pipe, after the marine pipe is lifted up by a marine pipe lifting frame to a certain height from a seabed, the operations such as precisely cutting the marine pipe, beveling a cutting surface of the marine pipe, installing a mechanical connector of the marine pipe, installing an expansion bend and the like are carried out, the traditional method is that a crane lifts the operation tool, and an underwater robot is matched to carry out the assembly of the tool and the marine pipe. However, the above-described conventional method has the following disadvantages: firstly, due to the influence of ocean currents and the shaking of the crane, the marine pipe and the tools move mutually to different degrees, so that the difficulty of positioning and installing the related tools in the marine pipe is increased; second, the requirements of the distance of the mechanical connector of the marine pipe inserted into the marine pipe in the marine pipe maintenance and the sealing contact length of the related sealing elements such as the distance between the flange pairs after the expansion bend is in place are decisive factors for whether the deep-water marine pipe can be successfully maintained, and the traditional underwater robot equipped with a crane operation mode cannot realize real-time monitoring of the distance, so that the risk of rework exists in the marine pipe underwater maintenance.
How to realize the following three functional requirements is crucial to the underwater maintenance of the marine pipeline: firstly, the lifting height of a marine vessel maintenance port face can be adjusted according to the requirements of a marine vessel maintenance scheme and tools; secondly, the surface of the marine pipe maintenance port can be fixed at a designed height; and thirdly, monitoring and controlling functions of the seal contact length of the sea pipe mechanical connector, the expansion bent flange and the like in the installation process can be realized. Therefore, it is necessary to design a work support platform to implement the above functions.
Disclosure of Invention
The invention aims to provide a marine pipe maintenance operation support platform meeting the underwater maintenance requirement of a marine pipe.
The technical scheme adopted by the invention for solving the technical problems is as follows: the supporting platform comprises a supporting base, a first pipe embracing mechanism, a second pipe embracing mechanism and a trolley system, wherein the first pipe embracing mechanism and the second pipe embracing mechanism are used for clamping a sea pipe in an openable and closable manner, and the trolley system is used for installing an auxiliary frame on operating equipment;
the supporting base is provided with a marine vessel channel for a marine vessel to pass through, and the marine vessel channel extends from the first end of the supporting base to the opposite second end; the first pipe embracing mechanism and the second pipe embracing mechanism are arranged at the first end of the supporting base at intervals along the extending direction of the submarine pipeline channel; the pulley system is arranged on the second end of the supporting base in a manner of sliding back and forth along the extending direction of the marine pipe channel.
Preferably, the support base comprises two support bottom beams arranged in parallel and spaced apart, and the marine pipe channel is formed between the two support bottom beams.
Preferably, the support base further comprises a guide post for guiding the work equipment installation auxiliary frame to be lowered onto the support bottom beam, and a positioning pin for positioning the work equipment installation auxiliary frame;
the guide post is vertically arranged on the supporting bottom beam relative to the supporting bottom beam, and the positioning pin is arranged on the supporting bottom beam at intervals of the guide post.
Preferably, the guide posts on the two support sills are of different heights.
Preferably, at least one of the supporting bottom beams is provided with a hoisting structure for connecting a hoisting tool; and/or at least one of the support bottom beams is provided with a handle.
Preferably, the support base further comprises an expanding bend lay down guide bridge disposed on the second end of the support bottom beam.
Preferably, the first pipe embracing mechanism comprises a first support frame which is arranged on the support base and can move back and forth in the vertical direction relative to the support base, and a first pipe embracing claw which is arranged on the first support frame and can move back and forth in the vertical direction relative to the first support frame; the first pipe holding claw faces the submarine pipeline channel with the openable clamping end of the first pipe holding claw;
the second pipe embracing mechanism comprises a second support frame and a second pipe embracing claw, wherein the second support frame is arranged on the support base and can move back and forth in the vertical direction relative to the support base, and the second pipe embracing claw is arranged on the second support frame and can move back and forth in the vertical direction relative to the second support frame; the second pipe holding claw faces the submarine pipeline channel with the openable clamping end.
Preferably, the first pipe embracing mechanism further comprises a first vertical walking distance detector for monitoring the walking distance of the first pipe embracing claw in the vertical direction; the first vertical walking distance detector is arranged on the first support frame;
the second pipe holding mechanism further comprises a second vertical walking distance detector for monitoring the walking distance of the second pipe holding claw in the vertical direction; and the second vertical walking distance detection instrument is arranged on the second support frame.
Preferably, the trolley system comprises two trolleys which are opposite and respectively arranged on the two supporting bottom beams and can slide back and forth along the supporting bottom beams;
and the pulley is provided with a clamping plate groove used for being matched with a clamping plate at the bottom of the auxiliary mounting frame of the operation equipment and a locking pin hole used for being matched with a locking pin on the auxiliary mounting frame of the operation equipment.
Preferably, the marine vessel servicing work support platform further comprises a control panel disposed on the support base.
The supporting platform for the marine pipe maintenance operation is suitable for underwater robot operation, realizes that a marine pipe maintenance port is fixed to a designed working height, and is used for carrying out corresponding maintenance operation on a marine pipe after installation auxiliary frames of operating equipment such as a marine pipe cutting auxiliary frame, a marine pipe end face beveling auxiliary frame, a marine pipe mechanical connector installation auxiliary frame, an expansion bend installation auxiliary frame, a flange assembly and bolt installation and hydraulic stretching auxiliary frame are in place on the marine pipe, so that the requirement for the marine pipe underwater maintenance is met.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a schematic perspective view of a marine vessel maintenance work support platform according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first pipe embracing mechanism in the marine pipe maintenance work support platform according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a second pipe embracing mechanism in the marine pipe maintenance work support platform according to an embodiment of the present invention;
FIG. 4 is a top view of a marine vessel servicing work support platform according to an embodiment of the present invention;
fig. 5 is a side view of a marine vessel servicing work support platform according to an embodiment of the present invention.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the platform for supporting marine pipe maintenance work according to an embodiment of the present invention can fix the surface of the marine pipe maintenance port at a designed height, and provide work support for underwater precision cutting of the marine pipe, beveling of the cut end surface of the marine pipe, installation of a mechanical connector of the marine pipe, installation of an expansion bend, flange assembly, bolt installation, hydraulic stretching, and the like. The supporting platform for the marine pipe maintenance operation can comprise a supporting base 10, a first pipe embracing mechanism 20 and a second pipe embracing mechanism 30 which are used for clamping the marine pipe in an openable and closable manner, and a trolley system 40 which is used for installing an auxiliary frame for operation equipment.
Wherein, be equipped with on the support base 10 and supply the sea pipe to pass through sea pipe passageway 100, sea pipe passageway 100 extends to relative second end from the first end of support base 10 to before carrying out operations such as cutting, the curved or connector installation of inflation to the sea pipe, with sea pipe maintenance work support platform with sea pipe passageway 100 axial parallel sea pipe direction perpendicular transfer and sit on the sea pipe.
The first pipe embracing mechanism 20 and the second pipe embracing mechanism 30 are disposed at an interval along the extending direction of the sea pipe passageway 100 on the first end of the support base 10 for embracing the sea pipe. A trolley system 40 is slidably disposed on the second end of the support base 10 back and forth along the extending direction of the sea pipe passage 100, and the back and forth sliding of the trolley system 40 can drive the working equipment installation auxiliary frame installed thereon to slide, so as to position the working equipment installation auxiliary frame at the position of the sea pipe for the required operation. According to various operation requirements, the auxiliary frame for installing the operation equipment comprises an auxiliary frame for cutting the marine pipe, an auxiliary frame for beveling the end face of the marine pipe, an auxiliary frame for installing a mechanical connector of the marine pipe, an auxiliary frame for installing an expansion bend, a flange assembly, a bolt installation, an auxiliary frame for hydraulic stretching and the like.
Specifically, in the present embodiment, the support base 10 includes two support bottom beams 11 arranged in parallel and spaced apart, and the marine vessel passage 100 is formed between the two support bottom beams 11. Each supporting bottom beam 11 can be formed by welding a plurality of steel plates, steel pipes and the like, and the whole supporting bottom beam is of a straight beam structure with a certain length.
The support base 10 further comprises a guide post 12 for cooperating with a positioning cylinder on the work equipment installation subframe to guide the work equipment installation subframe to be lowered onto the support bottom beam 11. Each supporting bottom beam 11 is provided with a guide post 12, the guide posts 12 are vertically arranged relative to the supporting bottom beams 11, and the heights of the guide posts 12 on the two supporting bottom beams 11 can be different.
The support base 10 further comprises locating pins 13 provided on the support base beam 11 for cooperating with pin cylinders on the work equipment mounting subframe for locating the work equipment mounting subframe in position on the support base 10. Each support base beam 11 is provided with a positioning pin 13.
On the supporting bottom beam 11, the positioning pin 13 and the guide post 12 are arranged at intervals, and the relative position and the interval distance of the positioning pin and the guide post can be arranged according to a positioning cylinder and a pin cylinder on an auxiliary installation frame (such as a marine pipe cutting saw installation frame) of the operation equipment.
Furthermore, at least one of the supporting bottom beams 11 is provided with a hanging structure 14 for connecting a hanger, and the hanging structure may be a hanging ring or the like. At least one of the support bottom beams 11 is provided with a handle 15, which may be used as a handrail for a robot underwater (ROV) to be positioned, as required.
The support foundation 10 further comprises an expansion bend lowering guide bridge 16 arranged at the second end of the support bottom beam 11 for guiding the expansion bend lowering. The expanding bend lowering guide bridge 16 comprises two opposite guide frames respectively arranged on the support bottom beams 11, and the space between the two guide frames is communicated with the sea pipe channel 100 and forms a guide channel.
In addition, in the present embodiment, as shown in fig. 1, the supporting base 10 further includes a frame structure 17 disposed on a first end thereof, and a bottom portion of the frame structure 17 is fixed to the two supporting bottom beams 11. The first pipe embracing mechanism 20 and the second pipe embracing mechanism 30 may be located within the frame structure 17.
The trolley system 40 is slidable back and forth along the support bottom beam 11 on the support bottom beam 11, so that the support bottom beam 11 is correspondingly provided with a sliding rail 18 parallel to the marine vessel passage, and the sliding rail 18 extends along the support bottom beam 11 to one side of the frame structure 17. The guide post 12, the positioning pin 13, the suspension structure 14, the handle 15, and the like are disposed to avoid the slide rail 18, and may be disposed outside the slide rail 18. The sliding rail 18 can be provided with a hard high-molecular wear-resistant plastic plate.
As shown in fig. 1 and 2, the first pipe embracing mechanism 20 may include a first support frame 21, and a first pipe embracing claw 22 disposed on the first support frame 21. The first supporting frame 21 is disposed on the supporting base 10 and can move back and forth in the vertical direction relative to the supporting base 10, so as to drive the first pipe embracing claw 22 thereon to move up and down. The first pipe embracing claw 22 is movable back and forth on the first support frame 21 in a vertical direction relative to the first support frame 21. The first pipe embracing claw 22 faces the pipe passage 100 with its openable and closable holding end for embracing the pipe, and the pipe can be lifted up or down by moving up and down.
Specifically, the bottom two sides of the first support frame 21 correspond to the first ends of the two support bottom beams 11. The bottom of the first support frame 21 may be provided with a positioning groove 211 communicating with the sea pipe channel 100, and the inner wall of the positioning groove 211 is provided with a top plate 212 capable of abutting against the outer wall of the sea pipe.
In order to realize the vertical movement of the first support frame 21, the first pipe embracing mechanism 20 further includes a first support frame hydraulic cylinder 23, the whole first support frame hydraulic cylinder 23 can be vertically placed, a cylinder body 231 of the first support frame hydraulic cylinder 23 can be fixed on the support bottom beam 11, and a hydraulic rod 232 of the first support frame hydraulic cylinder 23 is connected with the first support frame 21. After the first support frame hydraulic cylinder 23 is started, the hydraulic rod 232 stretches up and down relative to the cylinder body 231 to drive the first support frame 21 to move up and down. In this embodiment, the two opposite sides of the first support frame 21 are movably disposed on the support bottom beam 11 through the first support frame hydraulic cylinder 23.
The first pipe embracing claw 22 may be specifically arranged in the first support frame 21. The first pipe embracing claw 22 may comprise two branch claws which are connected in a cross manner. The lower ends of the two support claws can be opened and closed relatively and are used for holding the sea pipe tightly; a supporting claw hydraulic cylinder is connected between the upper ends of the two supporting claws, and the two supporting claws are driven to rotate through the action of the supporting claw hydraulic cylinder to realize opening and closing actions.
The first pipe holding claw 22 can be connected with the first support frame 21 through the rotating shaft 24, and the first support frame 21 is correspondingly provided with a shaft hole 210 matched with the rotating shaft 24. The shaft hole 210 is a vertically extending hole, and the rotating shaft 24 can reliably move up and down along the shaft hole 210, so that the first pipe holding claw 22 can move up and down and back and forth relative to the first support frame 21 through the cooperation of the rotating shaft 24 and the shaft hole 210.
In order to realize the vertical movement of the first pipe embracing claw 22, the first pipe embracing mechanism 20 further includes a first pipe embracing claw hydraulic cylinder 25, the first pipe embracing claw hydraulic cylinder 25 can be vertically placed as a whole, a cylinder body 251 of the first pipe embracing claw hydraulic cylinder 25 can be fixed on the first support frame 21, and a hydraulic rod 252 of the first pipe embracing claw hydraulic cylinder 25 is connected with the rotating shaft 24. After the first pipe holding claw hydraulic cylinder 25 is started, the hydraulic rod 252 stretches up and down relative to the cylinder 251 to drive the first pipe holding claw 22 to move up and down. After the first pipe holding claw 22 holds the marine pipe and lifts up, the marine pipe is pressed against the top plate 212 at the bottom of the first support frame 21, so that the marine pipe can be fixed.
Further, the first pipe embracing mechanism 20 further includes a first vertical traveling distance detecting instrument 26 for monitoring a traveling distance of the first pipe embracing claw 22 in the vertical direction; the first vertical walking distance detector 26 is arranged on the cylinder body 251 of the first pipe holding claw hydraulic cylinder 25 or the first support frame 21. The first vertical walking distance detector 26 can display the position information of the first pipe holding claw 22 obtained by monitoring on the monitoring terminal, so that the monitoring is convenient for personnel to monitor.
As shown in fig. 1 and 3, the second pipe embracing mechanism 30 includes a second support frame 31 provided on the support base 10 and movable back and forth in the vertical direction with respect to the support base 10, and a second pipe embracing claw 32 provided on the second support frame 31 and movable back and forth in the vertical direction with respect to the second support frame 31. The second pipe embracing claw 32 faces the pipe passage 100 with its openable and closable holding end for embracing the pipe, and the pipe can be lifted up or lowered down by moving up and down.
The second support bracket 31 has bottom sides corresponding to the first ends of the two support bottom beams 11. The bottom of the second support frame 31 may be provided with a positioning slot 311 communicating with the marine vessel channel 100, and the inner wall of the positioning slot 311 is provided with a top plate 312 capable of abutting against the outer wall of the marine vessel.
In order to realize the vertical movement of the second support frame 31, the second pipe embracing mechanism 30 further comprises a second support frame hydraulic cylinder 33, the whole second support frame hydraulic cylinder 33 can be vertically placed, the cylinder body of the second support frame hydraulic cylinder 33 can be fixed on the support bottom beam 11, and the hydraulic rod of the second support frame hydraulic cylinder 33 is connected with the second support frame 31. After the second support frame hydraulic cylinder 33 is started, the second support frame 31 is driven to move up and down by the up-and-down stretching of the hydraulic rod relative to the cylinder body. In this embodiment, two opposite sides of the second support frame 31 are movably disposed on the support bottom beam 11 through the second support frame hydraulic cylinders 33, respectively.
The second pipe embracing claw 32 may be disposed in the second support frame 31. The second pipe embracing claw 32 may comprise two branch claws which are connected in a cross manner. The lower ends of the two support claws can be opened and closed relatively and are used for holding the sea pipe tightly; a supporting claw hydraulic cylinder is connected between the upper ends of the two supporting claws, and the two supporting claws are driven to rotate through the action of the supporting claw hydraulic cylinder to realize opening and closing actions.
The first pipe holding claw 32 can be connected to the second support frame 31 through a rotating shaft 34, and the second support frame 31 is correspondingly provided with a shaft hole 310 matched with the rotating shaft 34. The shaft hole 310 is a vertically extending hole, and the rotating shaft 34 can reliably move up and down along the shaft hole 310, so that the first pipe holding claw 32 can move up and down and back and forth relative to the first support frame 31 through the cooperation of the rotating shaft 34 and the shaft hole 310.
In order to realize the vertical movement of the second pipe embracing claw 32, the second pipe embracing mechanism 30 further includes a second pipe embracing claw hydraulic cylinder 35, the second pipe embracing claw hydraulic cylinder 35 can be wholly and vertically placed, a cylinder body 351 of the second pipe embracing claw hydraulic cylinder 35 can be fixed on the second support frame 31, and a hydraulic rod 352 of the second pipe embracing claw hydraulic cylinder 35 is connected with the rotating shaft 34. After the second pipe holding claw hydraulic cylinder 35 is started, the second pipe holding claw 32 is driven to move up and down by the up-and-down stretching of the hydraulic rod 352 relative to the cylinder body 351. After the second pipe holding claw 32 holds the marine pipe and lifts up, the marine pipe is pressed against the top plate 312 at the bottom of the second support frame 31, so that the marine pipe can be fixed.
Further, the second pipe embracing mechanism 30 further includes a second vertical traveling distance detecting instrument 36 for monitoring a traveling distance of the second pipe embracing claw 32 in the vertical direction; the second vertical walking distance detector 36 is installed on the cylinder body of the second pipe gripper hydraulic cylinder 35 or the second support frame 31. The second vertical walking distance detector 36 can display the position information of the second pipe holding claw 22 obtained by monitoring on the monitoring terminal, so that the monitoring is convenient for personnel to monitor.
As shown in fig. 1, 4, and 5, the trolley system 40 includes two trolleys 41. The two pulleys 41 are oppositely arranged on the two supporting bottom beams 11 respectively and can slide back and forth along the supporting bottom beams 11. Specifically, the trolley 41 includes a base, and a support base mounted on the base, by which the trolley 41 is fitted on the slide rail 18 of the support base beam 11.
The pulley 41 is provided with a clamping plate slot 411 for matching with a bottom clamping plate of an auxiliary frame for installing the operation equipment (such as an auxiliary frame for installing the expansion bend) and a locking pin hole 412 for matching with a locking pin on the auxiliary frame for installing the operation equipment. The card slot 411 and the locking pin hole 412 are mainly provided on the support base of the pulley 41.
Further, at least one of a positioning baffle 413 and a clamping groove 414 is further arranged on the pulley 41 according to requirements. The positioning baffle 413 is used as a limit baffle of the auxiliary frame for installing the working equipment, and the clamping groove 414 is used for being matched with a clamping column on the auxiliary frame for installing the working equipment.
The trolley system 40 further comprises an axially movable hydraulic cylinder 42 connected between the trolley 41 and the support base beam 11 for driving the trolley 41 to slide back and forth along the slide rail 18 on the support base beam 11. The trolley system 40 further comprises an axial travel distance detector 43, which is arranged on the support bottom beam 11 and is used for monitoring the distance traveled by the trolley 41 along the support bottom beam 11 in the axial direction of the marine vessel.
In addition, the trolley system 40 may further include a lateral travel sliding shaft 44 and a lateral travel hydraulic cylinder 45. The transverse walking sliding shaft 44 is arranged on the base of the pulley 41 and is vertical to the marine pipe channel 100, and the supporting seat is matched on the transverse walking sliding shaft 44 so as to move transversely back and forth along the transverse walking sliding shaft 44 relative to the base. The horizontal walking hydraulic cylinder 45 is connected between the base and the supporting seat to drive the supporting seat to move horizontally back and forth.
As shown in fig. 1 and 4, in response to the axial movement of the trolley 41 on the support bottom beam 11 along the sea pipe, the support bottom beam 11 may be provided with a position indicator 19 for indicating the position of the work equipment installation auxiliary frame, and after the position is exceeded, the axial movement distance of the trolley 41 and the work equipment installation auxiliary frame and the pressure change of the hydraulic system need to be particularly concerned. The position indicator 19 is located on the support sill 11 approximately midway between the frame structure 17 and the expansion bend lay down guide bridge 16.
Further, as shown in fig. 1 and 5, the platform for supporting marine vessel maintenance work according to the present invention further includes a control panel 50 disposed on the supporting base 10. The control panel 50 may be provided on the frame structure 17 on the support base 10 for ease of operation.
The control panel 50 may include an operation panel 51, a hydraulic system oil compensator 52, a control box 53, and a control box oil compensator 54. The operation panel 51 is provided with a plurality of control valves respectively connected with the hydraulic cylinders, and the hydraulic circuit of the marine pipe maintenance operation supporting platform can be controlled by opening and closing the control valves; the hydraulic system oil compensator 52 balances the differential pressure effect of the hydraulic system and the pressure of the deepwater seawater; the control box 53 serves as a control element storage box; control tank oil compensator 54 balances the differential pressure effects of control tank 53 and the pressure of the deepwater seawater.
When the supporting platform for the maintenance operation of the marine pipe is used, the supporting platform for the maintenance operation of the marine pipe is put down to the seabed, and the underwater robot assists the supporting platform to be in place on the marine pipe through the handle 15 on the supporting base 10 under water. After being in place successfully, the underwater robot connects the hydraulic and control joints to the control panel 50. The first pipe embracing mechanism 20 and the second pipe embracing mechanism 30 embrace the sea pipe tightly and lift the sea pipe to the designed working height. After the auxiliary frame for installing the operation equipment is lowered to the supporting platform for the maintenance operation of the marine vessel to be in place and fixed, the pulley system 40 is started to enable the two pulleys 41 and the auxiliary frame for installing the operation equipment on the pulleys to be slowly drawn towards the second pipe embracing mechanism 30 until the auxiliary frame crosses the in-place indicating member 19 to reach the designed axial working position, and the axial walking distance of the pulleys 41 is monitored through the axial walking distance detecting instrument 43.
After the auxiliary frame for installing the single operation equipment finishes working, the pulley system 40 is started to enable the two pulleys 41 and the auxiliary frame for installing the operation equipment on the pulleys to slowly withdraw in the direction away from the second pipe embracing mechanism 30; and after the pulley 41 is retreated to the recovery position of the auxiliary frame for installing the operation equipment, the auxiliary frame for installing the operation equipment can be recovered.
And after all the marine pipe maintenance operations are finished, recovering the marine pipe maintenance operation support platform to the deck, and finishing the operations.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A supporting platform for the maintenance operation of a marine pipe is characterized by comprising a supporting base, a first pipe embracing mechanism, a second pipe embracing mechanism and a trolley system, wherein the first pipe embracing mechanism and the second pipe embracing mechanism are used for clamping the marine pipe in an openable and closable manner;
the supporting base is provided with a marine vessel channel for a marine vessel to pass through, and the marine vessel channel extends from the first end of the supporting base to the opposite second end; the first pipe embracing mechanism and the second pipe embracing mechanism are arranged at the first end of the supporting base at intervals along the extending direction of the submarine pipeline channel; the pulley system can be arranged on the second end of the supporting base in a back-and-forth sliding mode along the extending direction of the marine pipe channel;
the first pipe embracing mechanism comprises a first support frame, a first pipe embracing claw, a first support frame hydraulic cylinder and a first pipe embracing claw hydraulic cylinder, wherein the first support frame is arranged on the support base and can move back and forth in the vertical direction relative to the support base; the first pipe holding claw comprises two branch claws which are connected in a cross mode, and the two branch claws face the submarine pipeline channel through openable clamping ends of the two branch claws; a supporting claw hydraulic cylinder for driving the two supporting claws to open and close is connected between the upper ends of the two supporting claws; the cylinder body of the first pipe clamping claw hydraulic cylinder is fixed on a first support frame, a hydraulic rod of the first pipe clamping claw hydraulic cylinder is connected with a rotating shaft, and the first support frame is correspondingly provided with a vertically extending shaft hole matched with the rotating shaft;
the first pipe holding mechanism further comprises a first vertical walking distance detector for monitoring the walking distance of the first pipe holding claw in the vertical direction; the first vertical walking distance detector is arranged on the first support frame;
the second pipe holding mechanism comprises a second support frame, a second pipe holding claw, a second support frame hydraulic cylinder and a second pipe holding claw hydraulic cylinder, wherein the second support frame is arranged on the support base and can move back and forth in the vertical direction relative to the support base; the second pipe holding claw comprises two branch claws which are connected in a cross mode, and the two branch claws face the submarine pipeline channel through openable clamping ends of the two branch claws; a supporting claw hydraulic cylinder for driving the two supporting claws to open and close is connected between the upper ends of the two supporting claws; the cylinder body of the second pipe clamping claw hydraulic cylinder is fixed on a second support frame, a hydraulic rod of the second pipe clamping claw hydraulic cylinder is connected with a rotating shaft, and the second support frame is correspondingly provided with a vertically extending shaft hole matched with the rotating shaft;
the second pipe holding mechanism further comprises a second vertical walking distance detector for monitoring the walking distance of the second pipe holding claw in the vertical direction; and the second vertical walking distance detection instrument is arranged on the second support frame.
2. The marine vessel servicing work support platform of claim 1, wherein said support base comprises two support bottom beams arranged in parallel spaced apart, said marine vessel passageway being formed between said two support bottom beams.
3. The marine pipeline maintenance work support platform of claim 2, wherein the support base further comprises guide posts for guiding lowering of a work equipment installation subframe onto the support bottom beams, locating pins for locating the work equipment installation subframe;
the guide post is vertically arranged on the supporting bottom beam relative to the supporting bottom beam, and the positioning pin is arranged on the supporting bottom beam at intervals of the guide post.
4. A marine vessel servicing work support platform according to claim 3, wherein said guideposts on both said support bottom beams are of different height.
5. The marine vessel maintenance work support platform of claim 2, wherein at least one of said support bottom beams is provided with a hanging structure for connecting a hanger; and/or at least one of the support bottom beams is provided with a handle.
6. The marine pipe repair work support platform of claim 2, wherein said support base further comprises an expanding bend lay down guide bridge disposed on a second end of said support bottom beam.
7. The marine vessel servicing work support platform of claim 2, wherein said trolley system comprises two trolleys that are opposed and respectively disposed on and slidable back and forth along said support bottom beams;
and the pulley is provided with a clamping plate groove used for being matched with a clamping plate at the bottom of the auxiliary mounting frame of the operation equipment and a locking pin hole used for being matched with a locking pin on the auxiliary mounting frame of the operation equipment.
8. The marine pipeline servicing work support platform of any one of claims 1-7, wherein the marine pipeline servicing work support platform further comprises a control panel disposed on the support base.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911227835.XA CN111059357B (en) | 2019-12-04 | 2019-12-04 | Supporting platform for maintenance of marine pipe |
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| CN201911227835.XA CN111059357B (en) | 2019-12-04 | 2019-12-04 | Supporting platform for maintenance of marine pipe |
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| CN111059357A CN111059357A (en) | 2020-04-24 |
| CN111059357B true CN111059357B (en) | 2021-12-28 |
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| CN201911227835.XA Active CN111059357B (en) | 2019-12-04 | 2019-12-04 | Supporting platform for maintenance of marine pipe |
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| CN111692426B (en) * | 2020-05-19 | 2021-05-14 | 中交第四航务工程局有限公司 | Offshore welded junction loosening treatment method for large-diameter HDPE pipeline |
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| WO2006134456A1 (en) * | 2005-06-14 | 2006-12-21 | Vetco Gray Scandinavia As | A connection arrangement |
| EP2722571B1 (en) * | 2012-10-16 | 2016-05-11 | Vetco Gray Scandinavia AS | Pipeline termination skid |
| EP2722480B1 (en) * | 2012-10-17 | 2016-04-20 | Vetco Gray Scandinavia AS | Connection appliance and connection arrangement comprising such a connection appliance |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2006005994A1 (en) * | 2004-06-30 | 2006-01-19 | Vetco Aibel As | A pipeline termination skid, a connection arrangement comprising such a pipeline termination skid and a pipeline termination |
| CN101260952A (en) * | 2008-04-25 | 2008-09-10 | 哈尔滨工程大学 | Deep water flange automatic connection bolt insertion and flange hole aligning device |
| CN103210249A (en) * | 2010-06-10 | 2013-07-17 | Bery知识产权与资产管理恢复有限责任公司 | Device and method for blocking pipelines, especially under the sea |
| CN105972378A (en) * | 2016-06-26 | 2016-09-28 | 杨越 | Connecting and receiving component for maintaining unmanned ship borne pipeline |
| WO2018217099A1 (en) * | 2017-05-24 | 2018-11-29 | Nautilus Subsea As | Horizontal subsea tie-in system |
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Address after: 518067 4th floor, phase I, Shekou science and technology building, Nanhai Avenue, Nanshan District, Shenzhen City, Guangdong Province Patentee after: CNOOC Shenzhen Ocean Engineering Technology Service Co.,Ltd. Address before: 518067 4th floor, phase I, Shekou science and technology building, Nanhai Avenue, Nanshan District, Shenzhen City, Guangdong Province Patentee before: COOEC SUBSEA TECHNOLOGY Co.,Ltd. |