CN110682254A - Sea pipe leaking stoppage pipe clamp installation device - Google Patents
Sea pipe leaking stoppage pipe clamp installation device Download PDFInfo
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- CN110682254A CN110682254A CN201911015390.9A CN201911015390A CN110682254A CN 110682254 A CN110682254 A CN 110682254A CN 201911015390 A CN201911015390 A CN 201911015390A CN 110682254 A CN110682254 A CN 110682254A
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- 238000009434 installation Methods 0.000 title claims abstract description 47
- 230000007246 mechanism Effects 0.000 claims description 38
- 238000012423 maintenance Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000003921 oil Substances 0.000 description 4
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- 239000010779 crude oil Substances 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
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- 238000003912 environmental pollution Methods 0.000 description 1
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- 238000011084 recovery Methods 0.000 description 1
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- 238000000926 separation method Methods 0.000 description 1
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- 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
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Abstract
The invention discloses a sea pipe leaking stoppage pipe clamp installation device which comprises a rack, a control panel, two pipe clamp supports, an upper locking support and a lower locking support, wherein the control panel is installed on the rack; a sea pipe channel for passing a sea pipe is arranged in the frame; the two pipe clamp brackets are positioned at two opposite sides of the sea pipe passage and can be arranged on the rack in a way of moving back and forth in opposite directions or back to back; the upper locking bracket is positioned above the sea pipe channel and can be installed on the machine frame in a vertically moving mode; the lower locking bracket can move back and forth in the horizontal direction to be arranged below the sea pipe channel and can be arranged on the machine frame in a vertically moving mode. The installation device for the sea pipe leaking stoppage pipe clamp realizes automatic installation of the leaking stoppage pipe clamp by the ROV underwater.
Description
Technical Field
The invention relates to the technical field of sea pipe maintenance, in particular to a sea pipe leakage stopping pipe clamp installation device.
Background
In recent years, the number of deepwater marine pipes is increasing, and accidents of deepwater marine pipe leakage are more and more frequent due to the long design and construction period of marine pipes, the change of marine environment, pipeline corrosion, media and the like. The sudden deepwater sea pipe leakage brings great threat to oil and gas field production and marine environment. Once the sea pipe is damaged, the damage to the operation of the deepwater oil and gas field is greatly caused. In order to reduce the huge economic loss such as marine environmental pollution and crude oil production stoppage, safe, quick and reliable maintenance of damaged pipelines is particularly important. However, the deepwater marine pipe has high maintenance difficulty and the cost is several times higher than that of the deepwater marine pipe, so that the corresponding emergency maintenance scheme is researched aiming at the leakage problem of the deepwater marine pipe, and the development of a matched maintenance tool has important significance for ensuring the safe production of an oil and gas field.
At present, a leaking stoppage pipe clamp for maintaining leakage of a marine pipe within 300 meters underwater is applied in China, underwater installation is generally carried out by divers, and final installation is realized through actions of pairing, bolt fastening and the like by manually adjusting parts. The ROV is required to be installed in a deep water sea area with the depth of more than 300 meters underwater, the underwater operation efficiency of the ROV is low, and the conventional deep water leaking stoppage pipe clamp has more bolts, so that the ROV is very difficult and low in efficiency when being installed underwater, the sealing effect of the pipe clamp is easy to meet the requirement after being installed, and the risk such as unqualified function test is caused. Once the pipeline of the deepwater oil and gas field leaks, the submarine pipeline can only be maintained by ROV underwater operation, so that the research on the submarine pipeline emergency leaking stoppage pipe clamp in the deepwater field and the realization of ROV installation are not slow enough.
Disclosure of Invention
The invention aims to solve the technical problem of providing a sea pipe leaking stoppage pipe clamp installation device which is suitable for installing a deep water sea pipe leaking stoppage pipe clamp in ROV operation.
The technical scheme adopted by the invention for solving the technical problems is as follows: the leakage stopping pipe clamp comprises two pipe clamp bodies which are oppositely matched, and an upper locking device and a lower locking device which are arranged on the two pipe clamp bodies; the sea pipe leakage stoppage pipe clamp installation device comprises a rack, a control panel installed on the rack, two pipe clamp supports, an upper locking support and a lower locking support, wherein the two pipe clamp supports are respectively used for fixing two pipe clamp bodies of a leakage stoppage pipe clamp;
a sea pipe channel for passing a sea pipe is arranged in the frame; the two pipe clamp supports are positioned at two opposite sides of the sea pipe channel, can be arranged on the rack in a back-and-forth moving manner in opposite directions or in an opposite direction, and are used for matching the pipe clamp body to the sea pipe; the upper locking bracket is positioned above the sea pipe channel and can be installed on the rack in a vertically moving mode, and the upper locking device is matched with the upper ends of the two pipe clamp bodies; the lower locking support can move back and forth in the horizontal direction to enter and exit from the lower part of the sea pipe channel and can be mounted on the rack in a vertically moving mode, and the lower locking device is matched with the lower ends of the two pipe clamp bodies.
Preferably, the rack comprises a rack main body, a plurality of supporting legs telescopically connected below the rack main body, and a driving unit connected with and driving the supporting legs to stretch and retract; the driving unit is electrically connected with the control panel.
Preferably, the sea pipe channel penetrates through opposite sides of the frame body; the opposite two side surfaces of the frame main body are respectively provided with a guide sheet crossing the sea pipe channel, and one downward side of the guide sheet is provided with a groove matched with the surface of the sea pipe.
Preferably, the top of the frame is provided with a lifting point for connecting a lifting device.
Preferably, a first guide rail is arranged on the frame, and the length direction of the first guide rail is vertical to the length direction of the marine pipe channel;
the pipe clamp support is provided with a second guide rail matched with the first guide rail; the second guide rail is matched with the first guide rail and can move back and forth along the first guide rail.
Preferably, a first guide structure can be arranged between the upper locking bracket and the frame;
the first guide structure comprises at least one first guide column vertically connected to the upper locking bracket and at least one first guide cylinder connected to the rack; the first guide post is matched in the first guide cylinder and can move up and down along the first guide cylinder.
Preferably, the installation device for the sea pipe plugging pipe clamp further comprises a sliding support which can move back and forth in the horizontal direction relative to the rack to enter and exit below the sea pipe channel; the lower locking bracket can move up and down relative to the sliding bracket and is arranged on the sliding bracket.
Preferably, a second guide structure is arranged between the lower locking bracket and the sliding bracket;
the second guide structure comprises at least one second guide column vertically connected to the lower locking bracket and at least one second guide cylinder vertically connected to the sliding bracket; the second guide column is matched in the second guide cylinder and can move up and down along the second guide cylinder.
Preferably, the lower end of the frame is provided with two support frames positioned at two opposite sides of the marine pipe channel, and the length direction of the support frames is vertical to that of the marine pipe channel;
a sliding bridge which can move in and out of the support frame and is connected with the other support frame is arranged in one support frame;
the sliding support is matched on the support frame and can move to the sliding bridge along the support frame, so that the lower locking device fixed on the lower locking support corresponds to the position right below the marine pipe.
Preferably, the sea pipe leaking stoppage pipe clamp installation device further comprises a first driving mechanism which is connected with and drives the pipe clamp support to move back and forth, a second driving mechanism which is connected with and drives the upper locking support to move up and down, a third driving mechanism which is connected with and drives the lower locking support to move up and down, and a fourth driving mechanism which is connected with and drives the lower locking support to move back and forth in the horizontal direction;
the first driving mechanism, the second driving mechanism, the third driving mechanism and the fourth driving mechanism are all electrically connected with the control panel.
The invention has the beneficial effects that: the automation degree is high, and the structure is simple; the device can be operated by a diver or an ROV (underwater robot), and can be used for installing a shallow sea pipe plugging pipe clamp within 300 meters underwater and can also be used for installing a deep sea pipe plugging pipe clamp more than 300 meters underwater. The installation process is completely operated by the ROV, the traditional mode of manually installing the sea pipe leaking stoppage pipe clamp is eliminated, a new sea pipe leaking stoppage pipe clamp installation mode is created, the sea pipe leaking stoppage pipe clamp is automatically installed by the ROV in the deep water field, the installation efficiency of the sea pipe leaking stoppage pipe clamp in the deep water field is greatly improved, and the equipment capacity of the domestic deep water sea pipe maintenance equipment is further improved.
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 sea pipe plugging pipe clamp installation device according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram illustrating a state of use of the installation device for the sea pipe plugging pipe clamp according to an embodiment of the present invention;
FIG. 3 is a left side view of FIG. 2;
FIG. 4 is a schematic view of the support legs of the frame of FIG. 3 shown in an expanded configuration;
FIG. 5 is a schematic structural diagram of a pipe clamp support in the installation apparatus for a sea pipe plugging pipe clamp according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of an upper locking bracket in the installation device for the sea pipe plugging pipe clamp according to an embodiment of the present invention;
FIG. 7 is a schematic structural view of a lower locking bracket in the installation device for the sea pipe plugging pipe clamp according to an embodiment of the invention;
fig. 8 is a schematic structural view of a sliding bracket in the installation device of the sea pipe plugging pipe clamp according to an embodiment of the 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 to 3, the installation device for a sea pipe plugging pipe clamp according to an embodiment of the present invention includes a rack 10, a control panel 20 installed on the rack 10, two pipe clamp brackets 30, an upper locking bracket 40, and a lower locking bracket 50.
The installation device of the invention is used for installing the plugging pipe clamp on the sea pipe 1. The leaking stoppage pipe strap generally comprises two pipe strap bodies 2 which are oppositely matched, an upper locking device 3 and a lower locking device 4 which are arranged on the two pipe strap bodies 2. The two pipe strap bodies 2 are correspondingly matched and coated on the marine pipe 1, the upper ends of the two pipe strap bodies 2 are locked together through the upper locking device 3, and the lower ends of the two pipe strap bodies 2 are locked together through the lower locking device 4, so that the whole leakage stoppage pipe strap is locked on the marine pipe 1, and the maintenance and leakage stoppage of the marine pipe 1 are realized.
In the installation device, the frame 10 is used as a support frame to realize the positioning of the whole installation device on the seabed; a marine vessel passage 100 for passing the marine vessel 1 is provided in the housing 10. The two pipe clamp brackets 30 are positioned at two opposite sides of the sea pipe channel 100 and are respectively used for fixing the two pipe clamp bodies 2 of the leakage stopping pipe clamp; the two pipe clamp supports 30 are movable back and forth towards and away from the housing 10 to engage the pipe clamp body 2 to the sea pipe 1. The upper locking bracket 40 is used for fixing the upper locking device 3 of the leaking stoppage pipe clamp thereon, and the upper locking bracket 40 is positioned above the sea pipe passage 100 and can move up and down relative to the frame 10, so that the upper locking device 3 can be fitted to the upper ends of the two pipe clamp bodies 2. The lower locking bracket 50 is used for fixing the lower locking device 4 of the leaking stoppage pipe clamp thereon, and the lower entering bracket 50 can move back and forth in the horizontal direction to enter and exit below the sea pipe passage 100 and can move up and down relative to the frame 10, so that the lower locking device 4 is fitted to the lower ends of the two pipe clamp bodies 2.
The top of the frame 10 is provided with a lifting point 13 for connecting a lifting device. The lifting point 13 may include a lifting lug and a lifting ring penetrating the lifting lug.
As shown in fig. 3 and 4, the frame 10 is a frame structure, and may include a frame body 11, a plurality of support legs 12 telescopically connected below the frame body 11, and a driving unit (not shown) connected to and driving the support legs 12 to extend and retract; the driving unit is electrically connected to the control panel 20. Each of the support legs 12 is individually driven to be extended and contracted by a driving unit to adjust the length of the support leg 12. The length of each supporting leg 12 of the rack 10 is adjusted by adjusting the length of the supporting leg 12 one by one through the driving unit, so that the rack 10 is horizontally placed on the seabed and is suitable for seabed operation with various unevenness. The driving unit is fixedly installed on the frame 10, which may adopt a hydraulic cylinder, and the control panel 20 includes an interface correspondingly connected with the driving unit.
In this embodiment, the frame 10 is a rectangular frame structure, and includes four support legs 12 connected to the bottom of the frame body 11. Four opposite corners of the top of the frame body 11 are respectively provided with lifting points 13. The sea pipe passage 100 extends from one side surface of the housing body 11 to the other side surface.
Referring to fig. 1-3, two opposite side surfaces of the frame body 11 through which the marine vessel passage 100 passes are respectively provided with a guide piece 14, the guide pieces 14 cross the marine vessel passage 100, and one downward side of the guide pieces 14 is provided with a groove 15 matched with the surface of the marine vessel 1. The frame 10 is matched with the sea pipe 1 through the open lower side of the sea pipe channel 100 and placed on the seabed, after the length of the supporting legs 12 is adjusted to enable the frame 10 to be horizontally placed on the seabed, the same length of the supporting legs 12 is shortened to enable the whole body of the frame main body 11 to descend to the groove 15 on the guide piece 14 to be in contact fit with the surface of the sea pipe 1, and the positioning of the frame 10 is completed.
As shown in fig. 1, 2 and 5, the tube clamp bracket 30 is movably mounted on the rack 10 and can move toward or away from another tube clamp bracket 30 relative to the rack 10. Specifically, the frame 10 is provided with a first guide rail 16, and a length direction of the first guide rail 16 is perpendicular to a length direction of the marine pipe passage 100. The pipe clamp bracket 30 is provided with a second guide rail 31 matched with the first guide rail 16; the tube clamp bracket 30 is mounted on the rack 30 by the second guide rail 31 matching with the first guide rail 16, and the second guide rail 31 can move back and forth along the first guide rail 16 to drive the tube clamp bracket 30 to move relative to the rack 30.
In this embodiment, two spaced first guide rails 16 are disposed at the top of the frame 10, and two second guide rails 31 are disposed on the two pipe clamp brackets 30 respectively and are correspondingly matched with the two first guide rails 16.
The pipe clamp bracket 30 can be a frame structure, and the pipe clamp body 2 of the plugging pipe clamp is placed on one side of the pipe clamp bracket 30 facing to the other pipe clamp bracket 30 and is locked on the pipe clamp bracket 30 through a fastener such as a bolt.
Correspondingly, the pipe clamp support 30 is provided with at least one connecting hole 32 for the fastener to pass through, and the connecting hole 32 penetrates through two opposite sides of the pipe clamp support 30. The fasteners are sequentially inserted into the connecting holes 32 and the corresponding holes on the pipe clamp body 2 to fix the pipe clamp body 2 on the pipe clamp bracket 30. After the installation of the pipe clamp body 2 on the sea pipe 1 is completed, the pipe clamp bracket 30 and the pipe clamp body 2 can be separated by detaching the fastener.
The pipe clamp bracket 30 has a length that can be matched with the axial length of the pipe clamp body 2, so that the pipe clamp body 2 can be stably fixed and the pipe clamp body 2 can be driven to move.
In order to realize the back-and-forth movement of the pipe clamp bracket 30, the sea pipe plugging pipe clamp installation device of the invention further comprises a first driving mechanism (not shown) which is connected with and drives the pipe clamp bracket 30 to move back and forth; the first driving mechanism can be electrically connected with the control panel through a pipeline. The first drive mechanism may employ a hydraulic ram. The hydraulic cylinder can be installed and fixed on the frame 10, and its driving rod connects the pipe clamp bracket 30, drives the pipe clamp bracket 30 and the other pipe clamp bracket 30 to move towards or away from each other.
As shown in fig. 1, 2 and 6, the upper locking bracket 40 is positioned above the sea chest 100 on the rack 30 for the upper locking device 3 to be fixed thereon and for feeding the upper locking device 3 to the upper end of the pipe clamp body 2 to be locked to the pipe clamp body 2. The upper locking bracket 40 may be a frame structure, and the upper locking device 3 may be fixed to a downward side of the upper locking bracket 40 by a fastening member such as a bolt. The upper locking bracket 40 may be provided with a fixing rod 41, and the fixing rod 41 may be provided with a through hole for a fastener to pass through.
In order to realize the up-and-down movement of the upper locking bracket 40, the installation device of the sea pipe leaking stoppage pipe clamp further comprises a second driving mechanism (not shown) which is connected with and drives the upper locking bracket 40 to move up and down; the second driving mechanism can be electrically connected with the control panel through a pipeline. The second drive mechanism may employ a hydraulic ram. The hydraulic cylinder can be installed and fixed on the frame 10, and its driving rod is connected with the upper locking bracket 40 to drive the upper locking bracket 40 to move up and down relative to the frame 10.
Further, a guide structure may be provided between the upper locking bracket 40 and the frame 10 to guide the upper locking bracket 40 to move back and forth in the vertical direction. The guide structure may include at least one first guide post 42 vertically coupled to the upper locking bracket 40, and at least one first guide cylinder 17 coupled to the frame 10, the first guide post 42 being fitted into the first guide cylinder 17. When the upper locking bracket 40 moves up and down with respect to the frame 10, the first guide post 42 moves up and down along the first guide cylinder 17. It will be appreciated that the first guide post 42 may also be provided as a guide cylinder and the first guide cylinder 17 as a guide post, so that the guide post fits into the guide cylinder and also serves as a movement guide.
As shown in fig. 1, 2 and 7, the lower locking bracket 50 is located below the sea chest 100 on the frame 30 for the lower locking device 4 to be secured thereto and for feeding the lower locking device 4 onto the lower end of the pipe clamp body 2 for locking to the pipe clamp body 2. The lower lock bracket 50 may be a frame structure, and the lower lock device 4 may be fixed to an upward side of the lower lock bracket 40 by a fastener such as a bolt. The lower locking bracket 50 may be provided with a fixing rod 51, and the fixing rod 51 may be provided with a through hole for a fastener to pass through.
In order to realize the up-and-down movement of the lower locking bracket 50, the installation device of the sea pipe leaking stoppage pipe clamp further comprises a third driving mechanism (not shown) which is connected with and drives the lower locking bracket 50 to move up and down; the third driving mechanism can be electrically connected with the control panel through a pipeline. The third driving mechanism may be a hydraulic cylinder. The hydraulic cylinder may be mounted on the frame 10, and its driving rod is connected to the lower locking bracket 50 to drive the lower locking bracket 50 to move up and down relative to the frame 10.
Further, the installation apparatus for a sea pipe plugging pipe clamp of the present invention further comprises a sliding bracket 60 which is movable back and forth in a horizontal direction with respect to the frame 10 to enter and exit below the sea pipe passage 100. The lower locking bracket 50 is provided on the sliding bracket 60 to be movable up and down with respect to the sliding bracket 60. The lower locking bracket 50 forms a sliding assembly with the sliding bracket 60, and the whole body can move back and forth in the horizontal direction relative to the frame 10, and can move to the lower part of the marine pipeline passageway 100 or move out of the lower part of the marine pipeline passageway 100.
The upper and lower locking brackets 40 and 50 have a length that can be matched with the axial length of the upper and lower locking devices 3 and 4, respectively, so as to stably fix the upper and lower locking devices 3 and 4 and move the upper and lower locking devices 3 and 4.
In order to guide the lower locking bracket 50 to move in the vertical direction on the sliding bracket 60, a second guide structure may be provided between the lower locking bracket 50 and the sliding bracket 60. The second guide structure may include at least one second guide post 52 vertically coupled to the lower locking bracket 50, and at least one second guide cylinder 61 vertically coupled to the sliding bracket 60. The second guide post 52 is fitted in the second guide cylinder 61 and is movable up and down along the second guide cylinder 61. The second guide post 52 moves up and down along the second guide cylinder 61 while the lower lock bracket 50 moves up and down with respect to the frame 10. It will be understood that the second guide post 52 may also be provided as a guide cylinder, and the second guide cylinder 61 may be provided as a guide post, so that the guide post is fitted in the guide cylinder to also play a role of movement guide.
As shown in fig. 1 and 3, two support frames 18 are disposed at the lower end of the frame 10 corresponding to the sliding bracket 60 and located at opposite sides of the marine pipe passage 100, and the length direction of the support frames 18 is perpendicular to the length direction of the marine pipe passage 100. The space 180 between the two cages 18 forms an opening that opens the marine vessel passageway 100.
A support frame 18 is provided with a slide bridge 19 which is movable into and out of the support frame 18. The sliding bridge 19 can enter and exit one end of the support frame 18 facing the other support frame 18 and can be connected to the other support frame 18 so as to block the opening of the marine pipeline 100, as shown in fig. 1. A handle 191 can be connected to the sliding bridge 19, and the handle 191 penetrates out of the support frame 18 for a diver or an ROV to operate to push the sliding bridge 19 to move in and out of the support frame 18. In this embodiment, a set of supporting frames 18 and a set of sliding bridges 19 are respectively disposed on two opposite sides (corresponding to two opposite openings of the marine pipeline channel 100) of the inner lower end of the frame 10. The opposite ends of the sliding bracket 60 are slidably engaged with the two sets of supporting frames 18, respectively.
The sliding bracket 60 is fitted on the supporting bracket 18 and can be moved along the supporting bracket 18 to the sliding bridge 19, so that the lower locking device 4 fixed on the lower locking bracket 50 corresponds to the position right below the sea pipe 1, and is aligned with the upper locking device 3 above the sea pipe 1, as shown in fig. 2.
In order to realize the reciprocating movement of the sliding bracket 60 in the horizontal direction, the installation device for the sea pipe plugging pipe clamp of the invention further comprises a fourth driving mechanism (not shown) which is connected with and drives the sliding bracket 60 to reciprocate in the horizontal direction; the fourth driving mechanism can be electrically connected with the control panel through a pipeline.
The fourth driving mechanism may employ a hydraulic cylinder. The hydraulic cylinder can be fixed on the frame 10, and its driving rod is connected with the sliding bracket 60 to drive the sliding bracket 60 to move back and forth relative to the frame 10. The sliding bracket 60 is driven by the fourth driving mechanism to move back and forth in the horizontal direction, so that the lower locking bracket 50 also moves back and forth in the horizontal direction.
When the mounting device is used, the two pipe clamp bodies 2 of the leaking stoppage pipe clamp are respectively fixed on the two pipe clamp supports 30, and the two pipe clamp bodies 2 are opposite at intervals; the upper locking device 3 and the lower locking device 4 are fixed to the upper locking bracket 40 and the lower locking bracket 50, respectively, with the upper locking device 3 and the lower locking device 4 being spaced apart and staggered up and down. The whole installation device and the pipe clamp body 2, the upper locking device 3 and the lower locking device 4 thereon are placed on the position to be maintained of the sea pipe 1 through a lifting point 13; the frame 10 is sleeved on the sea pipe 1 from top to bottom and placed on the seabed, and the sea pipe 1 enters the sea pipe channel 100. The supporting legs 12 of the frame 10 are adjusted according to the flatness of the seabed, so that the frame 10 is horizontally placed on the seabed, and then the supporting legs 12 are shortened to enable the frame 10 to descend until the grooves 15 on the guide pieces 14 are in contact fit with the surface of the sea pipe 1, and the positioning is completed.
Pushing the sliding bridge 19 out of the carriage 18 by the ROV to be connected with another carriage 18 as a moving track of the sliding bracket 60; the sliding bridge 19 is located directly below the sea pipe 1. Then the ROV inserts hot stab (hydraulic quick connector) into the interface corresponding to the fourth driving mechanism on the control panel, the sliding bracket 60 moves along the supporting frame 18 and the sliding bridge 19 under the driving of the fourth driving mechanism, and simultaneously drives the lower locking bracket 50 and the lower locking device 4 to move to the lower part of the sea pipe 1, so that the position of the lower locking device 4 is aligned with the position of the upper locking device 3. And then the ROV replaces the hot stab on the control panel to insert the hot stab into an interface corresponding to a first driving mechanism, and the first driving mechanism drives the two pipe clamp brackets 30 to move oppositely respectively, so that the pipe clamp body 2 fixed on the first driving mechanism is assembled and covered on the surface of the sea pipe 1, and the positioning and installation of the pipe clamp body 2 on the sea pipe 1 are completed.
After the pipe clamp body 2 is positioned and installed, the ROV continuously changes the hot stab and sequentially inserts the port corresponding to the second driving mechanism and the port corresponding to the third driving mechanism on the control panel, the second driving mechanism drives the upper locking support 40 to move downwards to cover the upper end of the pipe clamp body 2, and the third driving mechanism drives the lower locking support 50 to move upwards to cover the lower end of the pipe clamp body 2. And finally, locking the upper locking device 3 and the lower locking device 4 on the pipe clamp body 2, and recovering the installation device after the locking is finished.
When the installation apparatus is recovered, first, the ROV removes the bolts fixed between the pipe clamp body 2 and the pipe clamp bracket 30, the upper locking apparatus 3 and the upper locking bracket 40, and the bolts 18 fixed between the lower locking apparatus 4 and the lower locking bracket 50 using a torque wrench, thereby completing the separation of the installation apparatus from the pipe clamp. The ROV operates the control panel to perform a reverse operation of the installation operation, and the pipe clamp bracket 30, the upper locking bracket 40, the lower locking bracket 50, and the sliding bracket 60 are restored to a state before the pipe clamp is installed. The ROV then operates the control panel to extend the support legs 12 on the chassis 10 to adjust the height of the chassis 10 completely away from the lost circulation pipe slips. And finally, hoisting the mounting device off the seabed by a crane to finish recovery.
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 (10)
1. A leakage stopping pipe clamp installation device for a sea pipe comprises two pipe clamp bodies which are oppositely matched, and an upper locking device and a lower locking device which are arranged on the two pipe clamp bodies; the device is characterized by comprising a rack, a control panel arranged on the rack, two pipe clamp supports, an upper locking support and a lower locking support, wherein the two pipe clamp supports are respectively used for fixing two pipe clamp bodies of a leaking stoppage pipe clamp;
a sea pipe channel for passing a sea pipe is arranged in the frame; the two pipe clamp supports are positioned at two opposite sides of the sea pipe channel, can be arranged on the rack in a back-and-forth moving manner in opposite directions or in an opposite direction, and are used for matching the pipe clamp body to the sea pipe; the upper locking bracket is positioned above the sea pipe channel and can be installed on the rack in a vertically moving mode, and the upper locking device is matched with the upper ends of the two pipe clamp bodies; the lower locking support can move back and forth in the horizontal direction to enter and exit from the lower part of the sea pipe channel and can be mounted on the rack in a vertically moving mode, and the lower locking device is matched with the lower ends of the two pipe clamp bodies.
2. The installation device for the sea pipe leaking stoppage pipe clamp as recited in claim 1, wherein the rack comprises a rack main body, a plurality of supporting legs telescopically connected below the rack main body, and a driving unit connected with and driving the supporting legs to telescope; the driving unit is electrically connected with the control panel.
3. The sea pipe leak stoppage pipe clamp installation device as set forth in claim 2, wherein the sea pipe passage extends through opposite side surfaces of the rack body; the opposite two side surfaces of the frame main body are respectively provided with a guide sheet crossing the sea pipe channel, and one downward side of the guide sheet is provided with a groove matched with the surface of the sea pipe.
4. The sea pipe leaking stoppage pipe clamp installation device as recited in claim 1, wherein a lifting point for connecting a lifting device is provided at the top of the rack.
5. The sea pipe leaking stoppage pipe clamp installation device as recited in claim 1, wherein a first guide rail is arranged on the rack, and the length direction of the first guide rail is perpendicular to the length direction of the sea pipe channel;
the pipe clamp support is provided with a second guide rail matched with the first guide rail; the second guide rail is matched with the first guide rail and can move back and forth along the first guide rail.
6. The installation device for the sea pipe leaking stoppage pipe clamp as recited in claim 1, wherein a first guide structure is further provided between the upper locking bracket and the frame;
the first guide structure comprises at least one first guide column vertically connected to the upper locking bracket and at least one first guide cylinder connected to the rack; the first guide post is matched in the first guide cylinder and can move up and down along the first guide cylinder.
7. The sea pipe lost circulation pipe clamp installation device of claim 1, further comprising a sliding bracket movable horizontally back and forth relative to the frame into and out of the sea pipe passageway below; the lower locking bracket can move up and down relative to the sliding bracket and is arranged on the sliding bracket.
8. The sea pipe leaking stoppage pipe clamp installation device as recited in claim 7, wherein a second guide structure is provided between the lower locking bracket and the sliding bracket;
the second guide structure comprises at least one second guide column vertically connected to the lower locking bracket and at least one second guide cylinder vertically connected to the sliding bracket; the second guide column is matched in the second guide cylinder and can move up and down along the second guide cylinder.
9. The sea pipe leakage plugging pipe clamp installation device as claimed in claim 7, wherein the lower end of the rack is provided with two support frames positioned at two opposite sides of the sea pipe channel, and the length direction of the support frames is perpendicular to the length direction of the sea pipe channel;
a sliding bridge which can move in and out of the support frame and is connected with the other support frame is arranged in one support frame;
the sliding support is matched on the support frame and can move to the sliding bridge along the support frame, so that the lower locking device fixed on the lower locking support corresponds to the position right below the marine pipe.
10. The sea pipe leaking stoppage pipe clamp installation device as claimed in any one of claims 1 to 9, further comprising a first driving mechanism connected with and driving the pipe clamp bracket to move back and forth, a second driving mechanism connected with and driving the upper locking bracket to move up and down, a third driving mechanism connected with and driving the lower locking bracket to move up and down, and a fourth driving mechanism connected with and driving the lower locking bracket to move back and forth in the horizontal direction;
the first driving mechanism, the second driving mechanism, the third driving mechanism and the fourth driving mechanism are all electrically connected with the control panel.
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| CN201911015390.9A CN110682254B (en) | 2019-10-24 | 2019-10-24 | Sea pipe plugging pipe clamp installation device |
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| CN110682254B (en) | 2024-03-29 |
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