CN116750162A - Auxiliary device for repairing marine valve box accessory of ship and use method - Google Patents
Auxiliary device for repairing marine valve box accessory of ship and use method Download PDFInfo
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- CN116750162A CN116750162A CN202310857546.8A CN202310857546A CN116750162A CN 116750162 A CN116750162 A CN 116750162A CN 202310857546 A CN202310857546 A CN 202310857546A CN 116750162 A CN116750162 A CN 116750162A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000008439 repair process Effects 0.000 claims abstract description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 38
- 238000003825 pressing Methods 0.000 claims description 37
- 238000007789 sealing Methods 0.000 claims description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 238000003466 welding Methods 0.000 claims description 17
- 238000009423 ventilation Methods 0.000 claims description 11
- 239000002023 wood Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 230000009189 diving Effects 0.000 claims description 3
- 239000003351 stiffener Substances 0.000 claims 4
- 238000012423 maintenance Methods 0.000 abstract description 11
- 238000003032 molecular docking Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
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- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The invention relates to an auxiliary device for repairing accessories of a marine valve box of a ship and a use method thereof. The invention provides an auxiliary device for repairing a marine valve box accessory of a ship and a use method thereof, which can temporarily plug the marine valve box of the ship after the ship is launched, then repair the marine valve box accessory, save projects such as ship docking, greatly save maintenance cost and maintenance time, reduce maintenance risk and have obvious economic effect.
Description
Technical Field
The invention relates to the field of ship construction, in particular to a repair auxiliary device for a marine valve box accessory of a ship and a use method thereof.
Background
In the process of ship construction, many equipment must be cooled by seawater, so the ship is provided with sea valve boxes, associated piping and sea valves. In the prior art, the ship is generally repaired by docking, the engineering quantity in the repairing process is extremely large, the cost is high, and the normal operation of the ship can be influenced.
The prior art (CN 110949639 a) discloses a method for repairing the sea valve train of a water surface vessel by temporarily plugging the suction grille of the sea valve box to create a waterproof environment for repairing the sea valve, comprising: manufacturing a plugging tool matched with the suction grid according to the size of the suction grid of the sea valve box; plugging the suction grille through a plugging tool; dismantling, overhauling or replacing the sea valve from the inner side direction of the cabin; after the fault is removed, the sea valve is reinstalled; and removing the plugging tool from the suction grille. In addition, the invention also provides two special plugging tools suitable for the method. The method solves the problem that the sea valve cannot be repaired safely in the mooring state of the ship, provides a quick, safe and feasible method for repairing the sea valve in the wharf mooring state, avoids the docking or the upper row of the ship due to the maintenance of the sea valve, wastes a large amount of manpower and material resources, ensures the safety of the ship and saves the maintenance period. However, since the bolts and nuts are mounted on the outer side of the grille, the outer surface of the grille is uneven without dismantling the bolts and nuts, and therefore the grille cannot be completely plugged by the plugging plate in the method, the sealing effect is poor, and the sealing effect cannot be achieved. If the bolts and nuts on the grid are to be removed, the risk of the diver working under water increases.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides the auxiliary device for repairing the marine valve box accessory of the ship and the use method thereof, which can temporarily plug the marine valve box of the ship after the ship is launched, repair the marine valve box accessory, save projects such as ship docking and the like, greatly save maintenance cost and maintenance time and reduce maintenance risks.
In order to achieve the above purpose, the technical solution of the present invention is as follows:
the utility model provides a boats and ships sea chest annex repair auxiliary device, includes sealing gasket, clamp plate, vertical reinforcing plate, horizontal reinforcing plate, wood stopper and two fixed subassembly, and sealing gasket fixes in the one side of clamp plate, and vertical reinforcing plate and horizontal reinforcing plate are fixed on the another side of clamp plate, and two fixed subassemblies are installed on the clamp plate, and the wood stopper shutoff is in sea chest's mud hole department of letting out, and the clamp plate supports to lean on sea chest's grid frame.
As the preferable technical scheme, fixed subassembly includes pull rod, sealing washer, flat gasket and nut, and the end of pull rod is equipped with the screw thread, all is equipped with the through-hole on sealing washer and the flat gasket, and the nut inner circle is equipped with the screw thread that matches with the pull rod, and sealing washer, flat gasket, nut are installed in proper order at the end of pull rod, and the longitudinal overall length of clamp plate 1/3 and 2/3 position department are equipped with a waist shape through-hole respectively, and waist shape through-hole center is located grid horizontal central line, and two pull rods pass two waist shape through-holes respectively.
As the preferable technical scheme, the length dimension of the pressing plate is at least 100mm more than the length of the grille frame, the width dimension of the pressing plate is at least 100mm more than the width of the grille frame, the thickness of the pressing plate is 30mm, and the dimension of the sealing gasket is the same as the dimension of the pressing plate.
As a preferred technical solution, the length of the longitudinal reinforcing plate is equal to the longitudinal total length of the pressing plate, four transverse reinforcing plates are provided, and the length of the transverse reinforcing plates is half of the difference between the transverse length of the pressing plate and the thickness of the longitudinal reinforcing plates.
As the preferable technical scheme, the wooden plug is in a truncated cone shape, the diameter of the smaller end of the wooden plug is 10mm smaller than the diameter of the mud hole of the sea valve box, the diameter of the other end of the wooden plug is 10mm larger than the mud hole of the sea valve box, and the length of the wooden plug is 60mm.
As the preferable technical scheme, all be provided with first welding groove before welding in vertical reinforcing plate and clamp plate junction, horizontal reinforcing plate and clamp plate, vertical reinforcing junction all are provided with the second welding groove before welding.
As the preferable technical scheme, the sealing gasket is made of Fules material, and the pressing plate, the transverse reinforcing plate and the longitudinal reinforcing plate are all made of aluminum alloy.
As a preferable technical scheme, the application method of the auxiliary device for repairing the marine valve box accessory of the ship comprises the following steps:
step one, diving to find four mud hole positions according to the positions of the ship ribs where the sea chest is located, and plugging by using a wooden plug;
placing the auxiliary device on the grid frame, extending the two sets of fixing components into the grid, and then enabling the pressing plate to be tightly attached to the grid frame through adjustment of the fixing components;
step three, all valve members of a cabin where the sea chest is located are closed, a bilge water system and a fire protection system are started, and an emergency water pump and plugging equipment are prepared;
step four, opening a fire-fighting system, connecting a temporary pipe through a ventilation valve of a sea chest, and sucking residual water in the water chest;
step five, removing the damaged sea chest accessories, observing whether water leakage occurs or not, and plugging the joint of the pressing plate and the grid frame if water leakage occurs;
step six, installing a new sea chest accessory;
step seven, removing the temporary pipe, firstly removing a wood plug on one mud discharging hole, checking the accessories of the sea valve box, if leakage exists, plugging the mud discharging hole again, checking and checking, and removing the whole auxiliary device until no leakage exists;
and step eight, opening the ventilation valve, deflating the box body, checking each pipe section and valve, and sequentially opening each valve to check whether each pipeline is unobstructed.
Compared with the prior art, the invention has the beneficial effects that:
the auxiliary device for repairing the marine valve box accessory of the ship has the advantages of simple structure, low cost, convenient operation, strong practicability, convenient installation and disassembly, repeated use, capability of temporarily plugging the marine valve box of the ship after the ship is launched, repair of the marine valve box accessory, saving of engineering such as ship docking and the like, great saving of maintenance cost and maintenance time, reduction of maintenance risk and remarkable economic effect.
Drawings
FIG. 1 is a schematic view showing a structure of an auxiliary device for repairing a marine vessel sea chest attachment according to the present invention;
FIG. 2 is a schematic operation view of a method of using the marine vessel sea chest attachment repair aid of the present invention;
FIG. 3 is a schematic view showing the construction of a tie rod in a repair auxiliary device using a marine vessel sea chest attachment in accordance with the present invention;
in the figure: 1. a sealing gasket; 2. a pressing plate; 3. a pull rod; 4. longitudinal reinforcing plates; 5. a transverse reinforcing plate; 6. the sealing gasket, 7, the flat gasket, 8, the nut; 9. a wood plug; 10. sea valve box; 11. and (5) a grille.
Detailed Description
The technical scheme of the invention is further described below with reference to the specific embodiments:
the utility model provides a marine valve case 10 annex repair auxiliary device is led to boats and ships, including sealing gasket 1, clamp plate 2, vertical reinforcing plate 4, horizontal reinforcing plate 5, wooden plug 9 and two fixed subassembly, sealing gasket 1 fixes in the one side of clamp plate 2, and vertical reinforcing plate 4 and horizontal reinforcing plate 5 are fixed on the another side of clamp plate 2, and two fixed subassemblies are installed on clamp plate 2, and wooden plug 9 shutoff is in marine valve case 10's mud hole department that leaks, and clamp plate 2 supports to lean on marine valve case 10's grid 11 frame.
The fixing component comprises a pull rod 3, a sealing gasket 6, a flat gasket 7 and a nut 8, wherein threads are arranged at the tail end of the pull rod 3, through holes are formed in the sealing gasket 6 and the flat gasket 7, threads matched with the pull rod 3 are formed in the inner ring of the nut 8, the sealing gasket 6, the flat gasket 7 and the nut 8 are sequentially arranged at the tail end of the pull rod 3, a kidney-shaped through hole is formed in each of 1/3 and 2/3 positions of the longitudinal total length of the pressing plate 2, the center of the kidney-shaped through hole is located on the transverse center line of the grille 11, the width of the kidney-shaped through hole is 2mm larger than the diameter of the pull rod 3, the length is 2 times of the gap of the grille 11, and the two pull rods 3 respectively penetrate through the kidney-shaped through holes.
The sealing gasket 6 is made of rubber, and the flat gasket 7 and the nut 8 are made of stainless steel 304L. The pull rod 3 is formed by welding a longitudinal rod, a transverse rod and a fixed plate; the longitudinal rod consists of a polish rod section and a screw rod section, and has the diameter of 14mm and the length of 300mm. The bar is a polish rod, the diameter is 14mm, and the length is equal to twice the gap of the grille 11 plus the thickness of the grille 11 minus the thickness of the fixed plate. The fixing plate is 35mm long, 14mm wide and 10mm thick. Stainless steel 316L is selected for the longitudinal bars, the transverse bars and the fixing plates.
The length dimension of the pressing plate 2 is at least 100mm more than the length of the frame of the grille 11, the width dimension of the pressing plate 2 is at least 100mm more than the width of the frame of the grille 11, the thickness of the pressing plate 2 is 30mm, and the dimension of the sealing gasket 1 is the same as the dimension of the pressing plate 2.
The length of the longitudinal reinforcing plate 4 is equal to the longitudinal total length of the pressing plate 2, the width of the longitudinal reinforcing plate 4 is 60mm, the thickness is 35mm, four transverse reinforcing plates 5 are arranged, the length of the transverse reinforcing plate 5 is half of the difference of the transverse length of the pressing plate 2 minus the thickness of the longitudinal reinforcing plate 4, and the width of the transverse reinforcing plate 5 is 60mm and the thickness is 35mm.
The wooden plug 9 is in a truncated cone shape, the diameter of the smaller end of the wooden plug 9 is 10mm smaller than the diameter of the mud hole of the sea chest 10, the diameter of the other end of the wooden plug 9 is 10mm larger than the mud hole of the sea chest 10, and the length of the wooden plug 9 is 60mm.
The connection of the longitudinal reinforcing plate 4 and the pressing plate 2 is provided with a first welding groove before welding, and the connection of the transverse reinforcing plate 5 and the pressing plate 2 is provided with a second welding groove before welding.
The sealing gasket 1 is made of Fules material, and the pressing plate 2, the transverse reinforcing plate 5 and the longitudinal reinforcing plate 4 are all made of aluminum alloy.
Example 1
A method of repairing a purge tube of a marine vessel sea chest 10 using a marine vessel sea chest 10 accessory repair assist device, comprising the steps of:
step one, a diver dives to find four mud hole positions according to the positions of the ship ribs where the sea chest 10 is located, and plugs are used for plugging, and the wooden plugs 9 of the mud hole close to the frame of the grid 11 cannot protrude out of the frame of the grid 11 so as to prevent sealing failure caused by the fact that the pressure plate 2 is propped up;
step two, respectively loading two pull rods 3 into two waist-shaped through holes of a pressing plate 2 from the side of a sealing gasket 1 in a wharf, sequentially installing a sealing gasket 6, a flat gasket 7 and a nut 8 at the tail end of each pull rod 3, putting an auxiliary device on the frame of a grating 11 by a diver after water is discharged again, putting two sets of fixing components parallel to the grating 11 into the grating 11, then rotating for 90 degrees to hook the grating 11, and then screwing the nut 8 until the pressing plate 2 is tightly attached to the frame of the grating 11;
step three, all users and valves of the cabin in which the sea chest 10 is positioned are closed, and a bilge water system and a fire protection system are started to prepare an emergency water pump and plugging equipment;
step five, preparing a pipe fitting, a valve member, a fastener, a welding machine and a temporary pipe joint for installation;
step six, opening the fire-fighting system, connecting a temporary pipe through a ventilation valve of the sea chest 10, and sucking the residual water in the water chest;
step seven, removing the damaged temporary choke plug of the air blowing pipe, observing if water leakage is carried out, informing a diver to check the leakage point of the cover plate, and sealing the joint of the cover plate and the grid 11 frame by using an aluminum foil tape and the like until the leakage is avoided;
cutting the original pipe to form a part above a welding seam between the elbow and the pipe section, and polishing and checking the quality of the straight pipe;
step nine, welding a sleeve on the original pipe section, polishing the inner wall and the outer wall of the pipe and painting;
and step ten, the pipe section manufactured according to the drawing again is welded on the original pipe section, and then the air blowing valve is installed. In the welding and installing process, if the water inflow phenomenon of the submarine water tank exists, the fire-fighting system can be used again to suck the water in the water tank;
step eleven, removing the water-absorbing temporary pipe and recovering, informing a diver of removing the wooden plug 9 on one mud hole, checking the pipe section and the valve element if leakage exists, informing the diver of plugging the mud hole again, checking and checking until no leakage exists, and informing the diver of removing the pressing plate 2 and the wooden plug 9 of the sea valve box 10 after observing for 1 hour;
and step twelve, opening the ventilation valve, deflating the box body, checking each pipe section and valve, and sequentially opening each valve to check whether each pipeline is unobstructed.
Example 2
A method of repairing a sea valve using a marine vessel sea chest 10 attachment repair assist device, comprising the steps of:
step one, four mud hole positions are found by diving according to the ship rib positions of the sea chest 10, and the mud hole positions are plugged by using a wooden plug 9, wherein the wooden plug 9 of the mud hole close to the frame of the grid 11 cannot protrude out of the frame of the grid 11 so as to prevent the sealing failure caused by the pressing plate 2 being propped up;
step two, two pull rods 3 are respectively arranged in two waist-shaped through holes of a pressing plate 2 from the side of a sealing gasket 1 in a wharf, a sealing gasket 6, a flat gasket 7 and a nut 8 are sequentially arranged at the tail end of each pull rod 3, an auxiliary device is placed on the frame of a grille 11, two sets of fixing components are parallel to the grille 11 and extend into the grille 11, then the grille 11 is hooked by rotating for 90 degrees, and then the nut 8 is screwed until the pressing plate 2 is tightly attached to the frame of the grille 11.
Step three, all users and valves of the cabin in which the sea chest 10 is positioned are closed, and a bilge water system and a fire protection system are started to prepare an emergency water pump and plugging equipment;
step four, the fire-fighting system is opened, a temporary pipe is connected through a ventilation valve of the ventilation valve box 10 (other ventilation valves are selected if the ventilation valve is faulty), and the residual water in the water tank is sucked;
step six, dismantling the faulty sea valve for repair, replacing the valve which cannot be repaired, and installing the repaired valve or a new valve for replacement in place;
step seven, removing the temporary water absorption pipe and recovering, removing the wooden plug 9 on one mud leakage hole, checking the pipe section and the valve element, if leakage exists, notifying a diver to block the mud leakage hole again, checking and checking until no leakage is observed for 1 hour, and removing the pressing plate 2 and the wooden plug 9 of the sea valve box 10;
and step eight, opening the ventilation valve, deflating the box body, checking each pipe section and valve, and sequentially opening each valve to check whether each pipeline is unobstructed.
The present embodiment is further illustrative of the present invention and is not to be construed as limiting the invention, and those skilled in the art can make no inventive modifications to the present embodiment as required after reading the present specification, but only as long as they are within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a boats and ships sea chest annex repair auxiliary device, its characterized in that includes sealing gasket, clamp plate, vertical reinforcing plate, horizontal reinforcing plate, wooden plug and two fixed subassembly, sealing gasket fixes in the one side of clamp plate, vertical reinforcing plate and horizontal reinforcing plate are fixed on the another side of clamp plate, two fixed subassemblies are installed on the clamp plate, wooden plug shutoff is in sea chest's mud hole department that lets out, the clamp plate supports to lean on sea chest's grid frame.
2. The auxiliary device for repairing the marine valve box accessory of the ship according to claim 1, wherein the fixing component comprises a pull rod, a sealing gasket, a flat gasket and a nut, threads are arranged at the tail end of the pull rod, through holes are formed in the sealing gasket and the flat gasket, threads matched with the pull rod are formed in the inner ring of the nut, the sealing gasket, the flat gasket and the nut are sequentially arranged at the tail end of the pull rod, a waist-shaped through hole is formed in each of 1/3 position and 2/3 position of the longitudinal total length of the pressing plate, the center of the waist-shaped through hole is located on the transverse central line of the grid, and two pull rods penetrate through the waist-shaped through holes.
3. The auxiliary repair device for marine valve box accessories of a ship according to claim 1, wherein the length dimension of the pressing plate is at least 100mm more than the length of the grating frame, the width dimension of the pressing plate is at least 100mm more than the width of the grating frame, the thickness of the pressing plate is 30mm, and the dimension of the sealing gasket is the same as the dimension of the pressing plate.
4. A marine valve box accessory repair aid according to claim 1, wherein the length of the longitudinal stiffener is equal to the total longitudinal length of the platen, the transverse stiffener has four pieces, and the length of the transverse stiffener is half the difference of the transverse length of the platen minus the thickness of the longitudinal stiffener.
5. The auxiliary device for repairing the marine valve box accessory of the ship according to claim 1, wherein the wooden plug is in a truncated cone shape, the diameter of the smaller end of the wooden plug is 10mm smaller than the diameter of the mud hole of the marine valve box, the diameter of the other end of the wooden plug is 10mm larger than the mud hole of the marine valve box, and the length of the wooden plug is 60mm.
6. The auxiliary device for repairing the marine valve box accessory of the ship according to claim 1, wherein the connection parts of the longitudinal reinforcing plates and the pressing plates are provided with first welding grooves before welding, and the connection parts of the transverse reinforcing plates and the pressing plates and the longitudinal reinforcing plates are provided with second welding grooves before welding.
7. The auxiliary repair device for marine valve box accessories of a ship according to claim 1, wherein the sealing gasket is made of Fules material, and the pressing plate, the transverse reinforcing plate and the longitudinal reinforcing plate are all made of aluminum alloy.
8. The method of using a marine valve box accessory repair aid according to claim 1, wherein the method comprises the steps of:
step one, diving to find four mud hole positions according to the positions of the ship ribs where the sea chest is located, and plugging by using a wooden plug;
placing the auxiliary device on the grid frame, extending the two sets of fixing components into the grid, and then enabling the pressing plate to be tightly attached to the grid frame through adjustment of the fixing components;
step three, all valve members of a cabin where the sea chest is located are closed, a bilge water system and a fire protection system are started, and an emergency water pump and plugging equipment are prepared;
step four, opening a fire-fighting system, connecting a temporary pipe through a ventilation valve of a sea chest, and sucking residual water in the water chest;
step five, removing the damaged sea chest accessories, observing whether water leakage occurs or not, and plugging the joint of the pressing plate and the grid frame if water leakage occurs;
step six, installing a new sea chest accessory;
step seven, removing the temporary pipe, firstly removing a wood plug on one mud discharging hole, checking the accessories of the sea valve box, if leakage exists, plugging the mud discharging hole again, checking and checking, and removing the whole auxiliary device until no leakage exists;
and step eight, opening the ventilation valve, deflating the box body, checking each pipe section and valve, and sequentially opening each valve to check whether each pipeline is unobstructed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202310857546.8A CN116750162A (en) | 2023-07-13 | 2023-07-13 | Auxiliary device for repairing marine valve box accessory of ship and use method |
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CN202310857546.8A CN116750162A (en) | 2023-07-13 | 2023-07-13 | Auxiliary device for repairing marine valve box accessory of ship and use method |
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CN116750162A true CN116750162A (en) | 2023-09-15 |
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CN202310857546.8A Pending CN116750162A (en) | 2023-07-13 | 2023-07-13 | Auxiliary device for repairing marine valve box accessory of ship and use method |
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Country | Link |
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CN (1) | CN116750162A (en) |
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2023
- 2023-07-13 CN CN202310857546.8A patent/CN116750162A/en active Pending
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