CN112158317A - Tool for underwater replacement of subsea door valve and use method thereof - Google Patents
Tool for underwater replacement of subsea door valve and use method thereof Download PDFInfo
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- CN112158317A CN112158317A CN202010919580.XA CN202010919580A CN112158317A CN 112158317 A CN112158317 A CN 112158317A CN 202010919580 A CN202010919580 A CN 202010919580A CN 112158317 A CN112158317 A CN 112158317A
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- grating
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- mounting piece
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000004576 sand Substances 0.000 claims description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 238000005299 abrasion Methods 0.000 claims description 2
- 238000003032 molecular docking Methods 0.000 abstract description 8
- 230000000392 somatic effect Effects 0.000 abstract 2
- 239000013535 sea water Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 5
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/52—Tools specially adapted for working underwater, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B19/00—Arrangements or adaptations of ports, doors, windows, port-holes, or other openings or covers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Valve Housings (AREA)
Abstract
The invention relates to the technical field of ships and discloses a tool for underwater replacement of a subsea door valve and a use method thereof. The frock of changing subsea door valve member under water includes shutoff cover, installed part, fastener, sealed cowling and first sealing washer. The plugging cover is used for plugging a grating or a quicksand hole of the sea chest and is provided with a mounting hole. The first end of installed part can be hung with the sea chest door planking of the grid strip of grid or quicksand hole department and detain, and the second end of installed part can pass the mounting hole, and the second end of installed part can be fixed in the mounting hole with fastener screw-thread fit. The sealed cowling is including the cover somatic part and the fastening portion that are connected, and cover somatic part can cover and establish on the second of installed part is served, fastening portion can with installed part threaded connection. The first seal ring is clamped between the fastening part and the fastening piece. The tool for underwater replacement of the submarine door valve provided by the invention realizes replacement of the submarine door valve without docking of a ship, saves the replacement period and cost, and can effectively avoid the water seepage phenomenon.
Description
Technical Field
The invention relates to the technical field of ships, in particular to a tool for underwater replacement of a subsea door valve and a use method thereof.
Background
In order to conveniently cope with the influence of different water depths of incoming and outgoing ports on a ship system, a common ship is often provided with a high-low seawater valve box (called a sea chest for short). As shown in fig. 1, a grating 100, a sand flow hole 200, a suction pipe 300, a ventilation pipe 400, a compressed air blowing pipe 500, etc. are generally provided on the sea chest. In order to prevent the damage of the pipeline and the danger caused by the seawater directly entering the engine room, valves such as a connecting valve are usually arranged at the position of the pipeline connected with the sea bottom door, so that the risk is controlled by closing the valves in time when the pipeline is damaged. In order to ensure that the installation of the valve and the pipeline of the submarine door is reliable, the pressure test of the valve in the inner field is required to be not less than 5 kilograms, and the whole pressure test is required after the installation of the submarine door is finished. However, these measures still cannot prevent the damage of the valve or the pipeline caused by the influence of the cleanliness of seawater, marine life, corrosion and the like after the water is drained. Generally, in order to repair or replace the valves of the sea-bottom doors, ships must be docked, but the docking resources are core shipyards, high cost is required for entering and exiting the docks once, other projects are influenced, and the maintenance period is long.
Therefore, a new tool for underwater valve replacement is needed to solve the above problems.
Disclosure of Invention
The invention aims to provide a tool for underwater replacement of submarine door valves, which can realize replacement of submarine door valves without docking of ships and save replacement period and cost.
The invention further aims to provide a using method of the tool for underwater replacement of the subsea door valve, which can reduce the difficulty of replacing the subsea door valve, save time and labor and reduce the replacement cost.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a change frock of subsea door valve member under water, includes:
the plugging cover is used for plugging a grating or a quicksand hole of the sea chest and is provided with a mounting hole;
the first end of the mounting piece can be hung and buckled with a grid strip of the grid or an outer plate of the sea chest door at the quicksand hole, the second end of the mounting piece can penetrate through the mounting hole, and the second end of the mounting piece can be fixed in the mounting hole in a threaded fit manner with the fastener;
the sealing cover comprises a cover body part and a fastening part which are connected, the cover body part can be covered on the second end of the mounting piece, and the fastening part can be in threaded connection with the mounting piece;
and a first seal ring interposed between the fastening portion and the fastening member.
Preferably, the method further comprises the following steps:
the second sealing ring is clamped between the fastening piece and the outer wall of the plugging cover; and/or
And the third sealing ring is arranged on the edge of the plugging cover and can be contacted with the outer plate of the sea chest door.
Preferably, the mounting piece comprises a connecting rod and a hanging buckle rod which are connected, the connecting rod is perpendicular to the hanging buckle rod, the connecting rod can penetrate through the mounting hole and is fixed in the mounting hole in a threaded fit mode through a fastener, and the hanging buckle rod can be hung and buckled with the grid bars of the grid or the outer plate of the sea-bottom door at the quicksand hole.
Preferably, a direction indicating structure is arranged on the connecting rod positioned outside the plugging cover, and the direction indicating structure is used for indicating the direction of the hanging buckle rod.
Preferably, the direction indicating structure is an indicating groove, the two indicating grooves are respectively arranged on two sides of the connecting rod, and a central connecting line between the two indicating grooves is parallel to the hanging buckle rod.
As a preferred scheme, an anti-abrasion pad is arranged on the hanging and buckling part of the hanging and buckling rod.
Preferably, the plugging cover is provided with a transverse reinforcing rib and a longitudinal reinforcing rib, and the transverse reinforcing rib and the longitudinal reinforcing rib are arranged in a crossed manner.
Preferably, the difference between the length of the plugging cover and the length of the grating is greater than or equal to 100 mm; and/or
The difference between the width of the plugging cover and the width of the grating is larger than or equal to 100 mm.
The use method of the tool for underwater replacement of the subsea valve is based on the tool for underwater replacement of the subsea valve, and comprises the following steps:
s1, a second end of a mounting piece penetrates through a mounting hole in a plugging cover, and a fastening piece is sleeved on the second end of the mounting piece;
s2, carrying the tool for replacing the underwater valve member of the submarine door to the position near the submarine door, and adjusting the direction of the first end of the mounting piece to enable the first end of the mounting piece to be inserted into a grating or a quicksand hole;
s3, adjusting the direction of the first end of the mounting piece again to enable the first end of the mounting piece to be hung and buckled with the grid strips of the grid or the outer plate of the sea floor door at the quicksand hole;
s4, adjusting the relative position of the plugging cover and the grating or the quicksand hole, and fixing the plugging cover at the grating or the quicksand hole through the fastener;
s5, sequentially sleeving a first sealing ring and a sealing cover on the second end of the mounting piece, fixing the sealing cover on the second end of the mounting piece, and enabling the first sealing ring to be clamped between the sealing cover and the fastening piece.
The invention has the beneficial effects that:
according to the tool for underwater replacement of the submarine door valve, the grating and the quicksand hole on the submarine door are plugged by the plugging cover, so that seawater can be prevented from entering the submarine door, damaged valves can be conveniently removed and replaced underwater, the problems of long docking replacement period, high cost and the like of the submarine door valve are effectively solved, the submarine door valve can be replaced without docking of a ship, the operation difficulty is simplified, and the period and the cost are greatly saved; in addition, establish the sealed cowling cover on the second end of installed part to set up first sealing washer between sealed cowling and fastener, can prevent effectively that the sea water from getting into the seabed door by the thread gap between fastener and the installed part in, avoid the infiltration phenomenon to take place, improve the leakproofness of seabed door, thereby be more convenient for demolish and change the valve member of damage.
According to the use method of the tool for underwater replacement of the submarine door valve, when the submarine door valve is replaced, a ship does not need to enter a dock, and only a diver needs to install the tool for underwater replacement of the submarine door valve at the grating and the quicksand hole of the submarine door, so that the grating and the quicksand hole are blocked, seawater is prevented from entering the submarine door, the damaged valve is convenient to detach and replace under the water, the submarine door valve is replaced without entering the dock, the operation difficulty is simplified, the period and the cost are greatly saved, and the time and the labor are saved.
Drawings
FIG. 1 is a schematic structural diagram of a subsea door provided in accordance with an embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating the use of the tool for underwater valve replacement according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a tool for underwater replacement of subsea valve components according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a closure cap provided by an embodiment of the present invention;
fig. 5 is a schematic diagram of a direction indicating structure according to an embodiment of the present invention.
In the figure:
100-a grid; 200-quicksand holes; 300-a suction pipe; 400-ventilating pipe; 500-compressed air blows off the tube;
1-a plugging cover; 11-mounting holes; 12-transverse reinforcing ribs; 13-longitudinal reinforcing ribs;
2-a mounting member; 21-a connecting rod; 211-direction indicating structures; 22-hanging a buckle rod;
3-a fastener;
4-sealing the cover; 41-a cover body portion; 42-a fastening portion;
5-a first sealing ring;
6-a second sealing ring;
7-third sealing ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, the present embodiment provides a tool for underwater replacement of a subsea door valve, which includes a plugging cover 1, a mounting member 2, a fastening member 3, a sealing cover 4, and a first sealing ring 5. The plugging cover 1 is used for plugging a grating 100 or a sand flowing hole 200 of a sea chest, and the plugging cover 1 is provided with a mounting hole 11. The first end of the mounting piece 2 can be hung and buckled with the grating strips of the grating 100 or the outer plate of the sea floor door at the quicksand hole 200, the second end of the mounting piece 2 can penetrate through the mounting hole 11, and the second end of the mounting piece 2 can be fixed in the mounting hole 11 in a threaded fit mode with the fastener 3. The sealing cover 4 includes a cover portion 41 and a fastening portion 42 connected to each other, the cover portion 41 can be covered on the second end of the mounting member 2, and the fastening portion 42 can be screwed to the mounting member 2. The first seal ring 5 is interposed between the fastening portion 42 and the fastening member 3.
Since the grating 100 and the sand flowing hole 200 are usually arranged on the sea chest, in order to replace the valve member under water, the grating 100 and the sand flowing hole 200 need to be blocked, so as to ensure that seawater does not enter the sea chest any more, and then the damaged valve member can be removed and replaced.
According to the tool for underwater replacement of the submarine door valve, the grating 100 and the sand flowing hole 200 on the submarine door are plugged by the plugging cover 1, so that seawater can be prevented from entering the submarine door, damaged valves can be conveniently removed and replaced underwater, the problems of long docking replacement period, high cost and the like of the submarine door valve are effectively solved, the submarine door valve can be replaced without docking of a ship, the operation difficulty is simplified, and the period and the cost are greatly saved; in addition, establish the second of installed part 2 with sealed cowling 4 cover and hold to set up first sealing washer 5 between sealed cowling 4 and fastener 3, can prevent effectively that the sea water from getting into the seabed door by the thread gap between fastener 3 and the installed part 2, avoid the infiltration phenomenon to take place, improve the leakproofness of seabed door, thereby be more convenient for demolish and change the valve member of damage.
It should be noted that, when the grid 100 and the sand flowing holes 200 need to be plugged, two tools provided in the present embodiment need to be used, one tool is used for plugging the grid 100, and the other tool is used for plugging the sand flowing holes 200. In addition, when a plurality of grids 100 need to be plugged, a plurality of tools provided by the embodiment need to be used.
Specifically, the cover body 41 is formed by welding a circular tube and an end sealing plate. Further, the inner diameter of the circular tube is 15mm, and the diameter of the end sealing plate is 18 mm. Optionally, the length of the circular tube is 100 mm. The fastening portion 42 is a nut. The nut is connected with the circular tube in a welding mode.
Optionally, the first sealing ring 5 is an o-ring, with an outer diameter of 14mm and a wire diameter of 1.5 mm.
Preferably, the tooling for underwater replacement of the subsea door valve provided by this embodiment further includes a second sealing ring 6, and the second sealing ring 6 is clamped between the fastening member 3 and the outer wall of the plugging cover 1. Through setting up second sealing washer 6, can prevent that the sea water from entering into the submarine door by the gap between fastener 3 and the block cover 1, be favorable to further improving the leakproofness of submarine door.
Optionally, the second sealing ring 6 is an o-ring with an outer diameter of 14mm and a wire diameter of 1.5 mm.
Preferably, as shown in fig. 2 and fig. 3, the tool for underwater valve replacement provided in this embodiment further includes a third sealing ring 7, where the third sealing ring 7 is installed on an edge of the plugging cover 1, and the third sealing ring 7 can be in contact with an outer plate of the subsea door. The third sealing ring 7 can prevent seawater from entering the submarine door from a gap between the edge of the plugging cover 1 and the outer plate of the submarine door.
The closure 1 provided in this embodiment comprises a top cover and a side edge, on which the third sealing ring 7 is mounted. Optionally, the third sealing ring 7 is fixed on the side of the plugging cover 1 by glue or rivet.
Optionally, the third sealing ring 7 is U-shaped in cross-section. Preferably, the thickness of the third sealing ring 7 is greater than or equal to 3mm to ensure the sealing effect of the third sealing ring 7.
Optionally, the occlusion boot 1 is made of stainless steel, aluminum alloy or acrylic material. Preferably, the thickness of the closure cap 1 is greater than or equal to 3mm to ensure the structural strength of the closure cap 1.
Preferably, as shown in fig. 4, the plugging cover 1 is provided with a transverse rib 12 and a longitudinal rib 13, and the transverse rib 12 and the longitudinal rib 13 are arranged crosswise. The transverse reinforcing ribs 12 and the longitudinal reinforcing ribs 13 are arranged, so that the strength of the plugging cover 1 is improved, and the weight of the plugging cover 1 is reduced.
Preferably, the difference between the length of the plugging cap 1 and the length of the grid 100 is greater than or equal to 100 mm. The difference between the width of the plugging cover 1 and the width of the grid 100 is greater than or equal to 100 mm. I.e. the size of the plugging cap 1 is at least 50mm larger than one side of the grid 100 to ensure that the plugging cap 1 can perform effective plugging of the grid 100. Assuming that the length of the grid 100 is 750mm and the width of the grid 100 is 550mm, the length of the plugging cap 1 is 850mm and the width of the plugging cap 1 is 650 mm.
Optionally, the height of the closure 1 is 60-80 mm.
In the present embodiment, the closure cap 1 has a rectangular shape. Of course, the shape of the plugging cover 1 can also be adjusted according to the shape of the grid 100. In addition, the plugging cover 1 for plugging the sand flow hole 200 may be provided in a circular shape.
In the present embodiment, the number of the mounting holes 11 is four, and the four mounting holes 11 are located at four corners of the block cover 1, respectively. Of course, the number and the arrangement position of the mounting holes 11 can be adjusted according to actual requirements such as the interval of the grids 100 and the size of the grids, and are not limited herein.
Optionally, the diameter of the mounting hole 11 is 2mm larger than between the second ends of the mounting members 2. I.e. the size of the mounting hole 11 is 1mm larger than the second end of the mounting member 2 on one side.
Specifically, in the present embodiment, the mount 2 is T-shaped. When plugging the sandflow holes 200, the mounting member 2 may also be provided in an L-shape.
As shown in fig. 3, the mounting member 2 provided in this embodiment includes a connecting rod 21 and a hanging buckle rod 22 connected to each other, the connecting rod 21 is perpendicular to the hanging buckle rod 22, the connecting rod 21 can pass through the mounting hole 11 and be fixed in the mounting hole 11 in a threaded fit with the fastening member 3, and the hanging buckle rod 22 can be hung and buckled with the outer plate of the sea-bottom door at the grid bars or the quicksand holes 200 of the grid 100. The plugging cover 1 can be fixed by the mounting member 2 and the fastening member 3.
Optionally, the length of the connecting rod 21 is equal to or greater than 220 mm.
In the present embodiment, the connecting rod 21 is a bolt stud. The bolt post is M10X1.5 in size.
Alternatively, the hooking rod 22 is round steel. In this embodiment, the round bar has a diameter of 10 mm. The length is 50 mm.
Preferably, as shown in fig. 5, a direction indicating structure 211 is disposed on the connecting rod 21 located outside the plugging cover 1, and the direction indicating structure 211 is used for indicating the direction of the hooking rod 22. By arranging the direction indicating structure 211, the direction of the hanging buckle rod 22 can be adjusted, so that whether the hanging buckle rod 22 is hung and buckled or not can be judged conveniently.
Specifically, in this embodiment, the direction indicating structure 211 is an indicating groove, two indicating grooves are respectively formed on two sides of the connecting rod 21, and a central connecting line between the two indicating grooves is parallel to the hanging buckle rod 22. Further, the width of the indicating groove was 2mm and the height was 10 mm.
Preferably, an anti-wear pad is disposed on the fastening portion of the fastening rod 22 to prevent the fastening rod 22 from damaging paint on the sea chest during fastening.
The embodiment also provides a use method of the tool for underwater replacing subsea valve components, and the tool for underwater replacing subsea valve components based on the above description comprises:
s1, a second end of the mounting piece 2 penetrates through a mounting hole 11 in the plugging cover 1, and a fastening piece 3 is sleeved on the second end of the mounting piece 2;
s2, carrying the tool for replacing the subsea door valve underwater to the position near the subsea door, and adjusting the direction of the first end of the mounting piece 2 to enable the first end of the mounting piece 2 to be inserted into the grating 100 or the quicksand hole 200;
s3, adjusting the direction of the first end of the mounting piece 2 again to enable the first end of the mounting piece 2 to be hung and buckled with the grid bars of the grid 100 or the outer plate of the sea floor door at the quicksand hole 200;
s4, adjusting the relative position of the plugging cover 1 and the grating 100 or the sand flowing hole 200, and fixing the plugging cover 1 at the grating 100 or the sand flowing hole 200 through a fastener 3;
s5, the first sealing ring 5 and the sealing cover 4 are sequentially sleeved on the second end of the mounting piece 2, the sealing cover 4 is fixed on the second end of the mounting piece 2, and the first sealing ring 5 is clamped between the sealing cover 4 and the fastening piece 3.
The use method of the underwater tooling for replacing the submarine door valve piece provided by the embodiment, when the submarine door valve piece is replaced, a ship does not need to enter the dock, only a diver needs to install the underwater tooling for replacing the submarine door valve piece at the grating 100 and the sand flowing hole 200 of the submarine door, so that the grating 100 and the sand flowing hole 200 are blocked, seawater is prevented from entering the submarine door, so that the damaged valve piece can be conveniently detached and replaced underwater, the problems of long docking replacement period, high cost and the like of the submarine door valve piece are effectively solved, the submarine door valve piece is not replaced by the ship in the dock, the operation difficulty is simplified, the period and the cost are greatly saved, and time and labor are saved.
Further, in step S1, before the fastener 3 is fitted to the second end of the mounting member 2, a second sealing ring 6 is fitted to the second end of the mounting member 2.
After the replacement work of the valve of the sea chest is completed, the sealing cover 4 is firstly removed by a diver according to the reverse sequence, the fastener 3 is loosened, then the direction of the first end of the mounting piece 2 is adjusted, the mounting piece 2 is released from hanging and buckling and taken out, and the plugging cover 1 is completely removed.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a change frock of subsea valve spare under water which characterized in that includes:
the device comprises a plugging cover (1) and a mounting hole (11), wherein the plugging cover (1) is used for plugging a grating (100) or a quicksand hole (200) of a sea chest;
a mounting piece (2) and a fastener (3), wherein a first end of the mounting piece (2) can be hung and buckled with a grating strip of the grating (100) or an outer plate of the sea floor door at the quicksand hole (200), a second end of the mounting piece (2) can pass through the mounting hole (11), and a second end of the mounting piece (2) can be fixed in the mounting hole (11) in a threaded fit manner with the fastener (3);
the sealing cover (4) comprises a cover body part (41) and a fastening part (42) which are connected, the cover body part (41) can be covered on the second end of the mounting piece (2), and the fastening part (42) can be in threaded connection with the mounting piece (2);
and a first seal ring (5) interposed between the fastening section (42) and the fastening member (3).
2. The tool for underwater replacement of subsea valve members according to claim 1, further comprising:
the second sealing ring (6) is clamped between the fastening piece (3) and the outer wall of the plugging cover (1); and/or
And the third sealing ring (7) is arranged on the edge of the plugging cover (1), and the third sealing ring (7) can be contacted with the outer plate of the sea chest.
3. The tooling for underwater replacement of the subsea door valve according to claim 1, wherein the mounting member (2) comprises a connecting rod (21) and a hanging and buckling rod (22) which are connected, the connecting rod (21) is perpendicular to the hanging and buckling rod (22), the connecting rod (21) can pass through the mounting hole (11) and be fixed in the mounting hole (11) in a threaded fit manner with the fastener (3), and the hanging and buckling rod (22) can be hung and buckled with the grating strips of the grating (100) or the external plate of the subsea door at the sand flowing hole (200).
4. The tooling for underwater valve replacement of the subsea door according to claim 3, wherein a direction indicating structure (211) is disposed on the connecting rod (21) located outside the plugging cover (1), and the direction indicating structure (211) is used for indicating the direction of the hooking rod (22).
5. The tooling for underwater valve replacement of the subsea door according to claim 4, wherein the direction indicating structure (211) is an indicating groove, two indicating grooves are respectively formed on two sides of the connecting rod (21), and a central connecting line between the two indicating grooves is parallel to the hooking rod (22).
6. The tool for underwater replacement of the subsea door valve according to claim 3, wherein an anti-abrasion pad is disposed on the hooking portion of the hooking rod (22).
7. The tooling for underwater replacement of subsea door valves according to claim 1, wherein the plugging cover (1) is provided with a transverse reinforcing rib (12) and a longitudinal reinforcing rib (13), and the transverse reinforcing rib (12) and the longitudinal reinforcing rib (13) are arranged in a crossing manner.
8. The tooling for underwater valve replacement according to claim 1, wherein the difference between the length of the plugging cover (1) and the length of the grating (100) is greater than or equal to 100 mm; and/or
The difference between the width of the plugging cover (1) and the width of the grating (100) is greater than or equal to 100 mm.
9. The use method of the underwater tool for replacing the valve of the subsea door is characterized in that the tool for replacing the valve of the subsea door underwater based on any one of claims 1 to 8 comprises the following steps:
s1, a second end of the mounting piece (2) penetrates through a mounting hole (11) in the plugging cover (1), and a fastening piece (3) is sleeved on the second end of the mounting piece (2);
s2, carrying the tool for replacing the underwater valve of the submarine door to the position near the submarine door, and adjusting the direction of the first end of the mounting piece (2) to enable the first end of the mounting piece (2) to be inserted into a grating (100) or a quicksand hole (200);
s3, adjusting the direction of the first end of the mounting piece (2) again to enable the first end of the mounting piece (2) to be hung and buckled with a grating strip of the grating (100) or an outer plate of the sea floor door at the position of the sand flowing hole (200);
s4, adjusting the relative position of the plugging cover (1) and the grating (100) or the sand flowing hole (200), and fixing the plugging cover (1) at the grating (100) or the sand flowing hole (200) through the fastener (3);
s5, sequentially sleeving a first sealing ring (5) and a sealing cover (4) on the second end of the mounting piece (2), fixing the sealing cover (4) on the second end of the mounting piece (2), and enabling the first sealing ring (5) to be clamped between the sealing cover (4) and the fastening piece (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010919580.XA CN112158317A (en) | 2020-09-04 | 2020-09-04 | Tool for underwater replacement of subsea door valve and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010919580.XA CN112158317A (en) | 2020-09-04 | 2020-09-04 | Tool for underwater replacement of subsea door valve and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112158317A true CN112158317A (en) | 2021-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010919580.XA Pending CN112158317A (en) | 2020-09-04 | 2020-09-04 | Tool for underwater replacement of subsea door valve and use method thereof |
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| Country | Link |
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| CN (1) | CN112158317A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113665759A (en) * | 2021-07-21 | 2021-11-19 | 上海外高桥造船有限公司 | Plugging device and ship |
| CN115973359A (en) * | 2022-12-27 | 2023-04-18 | 上海中远船务工程有限公司 | Underwater plugging device for ship seabed valve box |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69009804D1 (en) * | 1989-03-08 | 1994-07-21 | Biffi Italia | Deep sea valve arrangement. |
| CN201400299Y (en) * | 2009-05-13 | 2010-02-10 | 中船澄西船舶修造有限公司 | Floating dock sea-cock underwater sealing watertight device |
| CN202657203U (en) * | 2012-05-22 | 2013-01-09 | 广州中船远航船坞有限公司 | Sea valve pipe plugging device |
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| CN110254615A (en) * | 2019-06-27 | 2019-09-20 | 广船国际有限公司 | A kind of kingston valve changes method and applies the closure tooling at it under water |
| CN110789696A (en) * | 2019-11-08 | 2020-02-14 | 招商局重工（江苏）有限公司 | Novel subsea valve overhauls sealed device under water |
| CN110949639A (en) * | 2019-12-17 | 2020-04-03 | 武昌船舶重工集团有限公司 | Method for repairing mooring state of sea valve of surface ship and plugging tool suitable for method |
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| CN201400299Y (en) * | 2009-05-13 | 2010-02-10 | 中船澄西船舶修造有限公司 | Floating dock sea-cock underwater sealing watertight device |
| CN202657203U (en) * | 2012-05-22 | 2013-01-09 | 广州中船远航船坞有限公司 | Sea valve pipe plugging device |
| CN208813472U (en) * | 2018-09-10 | 2019-05-03 | 扬州中远海运重工有限公司 | It is a kind of for blocking the sealing device of sea opening |
| CN208982871U (en) * | 2018-11-02 | 2019-06-14 | 华夏海洋能源工程（天津）股份有限公司 | Plugging device for underwater maintenance |
| CN110254615A (en) * | 2019-06-27 | 2019-09-20 | 广船国际有限公司 | A kind of kingston valve changes method and applies the closure tooling at it under water |
| CN110789696A (en) * | 2019-11-08 | 2020-02-14 | 招商局重工（江苏）有限公司 | Novel subsea valve overhauls sealed device under water |
| CN110949639A (en) * | 2019-12-17 | 2020-04-03 | 武昌船舶重工集团有限公司 | Method for repairing mooring state of sea valve of surface ship and plugging tool suitable for method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113665759A (en) * | 2021-07-21 | 2021-11-19 | 上海外高桥造船有限公司 | Plugging device and ship |
| CN115973359A (en) * | 2022-12-27 | 2023-04-18 | 上海中远船务工程有限公司 | Underwater plugging device for ship seabed valve box |
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Application publication date: 20210101 |