CN114379712B - Seabed door grating device, ballast water system and cooling water system - Google Patents

Seabed door grating device, ballast water system and cooling water system Download PDF

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Publication number
CN114379712B
CN114379712B CN202210125356.2A CN202210125356A CN114379712B CN 114379712 B CN114379712 B CN 114379712B CN 202210125356 A CN202210125356 A CN 202210125356A CN 114379712 B CN114379712 B CN 114379712B
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China
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door
hinged
eye plate
grating
fixing
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CN114379712A (en
Inventor
罗亚萍
卞修涛
李洋
朱琇玮
缪文杰
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Jiangnan Shipyard Group Co Ltd
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Jiangnan Shipyard Group Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B19/00Arrangements or adaptations of ports, doors, windows, port-holes, or other openings or covers

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Sewage (AREA)

Abstract

The application provides a seabed door grating device, including door grating, articulated eye-plate and articulated support. The outer edge of the door grating is in clearance-free fit with the inner ring of the sea chest. The hinge eye plate is provided with a mounting hole. When the hinged eye plate is overturned relative to the hinged support, the door grating is driven to overturn by taking the hinged eye plate as a hinged point. The hinged support is provided with a connecting long hole, the hinged eye plate is connected with the hinged support through a fixing piece inserted in the mounting hole and connected with the connecting long hole, and the hinged eye plate can drive the door grating to be adjusted in the thickness direction of the submarine door. This application prevents that the door grid from opening or closing the in-process and bumping with the hull under the prerequisite that reduces clearance between seabed door grid and the sea water import, causes the damage to the hull. And after the door grating is closed, the side surface of the outer part of the door grating is flush with the outer side of the ship body, and the outer part of the ship body does not have any protruding part, so that the water flow resistance of the ship body can be reduced.

Description

Seabed door grating device, ballast water system and cooling water system
Technical Field
The application relates to the technical field of ship building, in particular to a sea chest grating device, a ballast water system and a cooling water system.
Background
The ballast water system provides guarantee for stable operation of the ship, the cooling water system provides reliable support for heat exchange of the main machine, and flowing media in the two systems are seawater, so that the seawater system is of great importance to safe operation of the ship. In order to prevent marine organisms from entering and polluting a ballast water system and a cooling water system when a ship runs, grating devices are additionally arranged on high and low submarine doors at a seawater inlet, and when the submarine door gratings are blocked, the submarine door gratings need to be opened for cleaning.
In order to ensure the trash blocking effect, the smaller the gap between the sea chest grating and the seawater inlet, the better, but when the gap between the sea chest grating and the seawater inlet is reduced, the sea chest grating often collides with the ship body in the process of opening or closing the sea chest grating, and the damage to the ship body can be caused. After the ship body is damaged, the economic benefit of the ship in operation is seriously influenced.
In view of the foregoing, it would be desirable to provide an improved solution to the above-mentioned deficiencies of the prior art.
Disclosure of Invention
An object of the embodiment of the application is to provide a sea chest grating device, it is under the prerequisite that reduces clearance between sea chest grating and the sea water import, prevents that the door grating from opening or closing the in-process, bumps with the hull, avoids causing the damage to the hull.
It is also a second object of embodiments of the present application to provide a ballast water system.
It is a third object of embodiments of the present application to provide a cooling water system.
In a first aspect, a subsea door grating device is provided for mounting on a subsea door of a hull, comprising a door grating, a hinged eye plate, and a hinged bracket.
And the outer edge of the door grating is in clearance-free fit with the inner ring of the sea chest. The door grating comprises a grating area for blocking dirt and a flat plate area for connecting with the ship body; the flat plate area is arranged around the periphery of the grid area.
The hinge eye plate is arranged on one side of the flat plate area, and a mounting hole is formed in the hinge eye plate.
The hinge bracket is arranged corresponding to the hinge eye plate; the hinged support is provided with a connecting end for being fixedly connected with a ship body and a hinged end hinged with the hinged eye plate, and the hinged eye plate drives the door grating to turn over by taking the hinged eye plate as a hinged point when turning relative to the hinged support; the hinged support is also provided with a connecting long hole, and the hole length direction of the connecting long hole is consistent with the thickness direction of the sea chest door; the hinged eye plate is connected with the hinged support through a fixing piece inserted in the mounting hole and the connecting long hole, and the hinged eye plate can drive the door grating to be adjusted in the thickness direction of the submarine door.
The gate grating is turned and opened towards the outer side of the ship body by taking a hinge point as a center after moving out towards the outer side of the ship body along the thickness direction of the seabed gate; after the door grating is turned over and closed in the direction towards the inside of the ship body by taking a hinge point as a center, the door grating moves towards the inside of the ship body along the thickness direction of the seabed door, and the side surface of the outside of the door grating is flush with the outer side of the ship body.
In one embodiment, a grating door frame is arranged on the inner side of the submarine door of the ship body, the grating door frame is an annular frame body, and the inner edge of the grating door frame is arranged corresponding to the inner ring of the submarine door.
In one embodiment, a first fixing eye plate is arranged on two sides of the flat plate area adjacent to the hinge eye plate, a first fixing bracket is arranged on the grille door frame, and the first fixing eye plate is arranged corresponding to the first fixing bracket; the first fixed eye plate is detachably and fixedly connected with the first fixed support.
In one embodiment, a first threaded hole is formed in the first fixing eye plate, a first mounting hole is formed in the first fixing bracket, and the first fixing eye plate and the first fixing bracket are detachably and fixedly connected through a first fastening bolt.
In one embodiment, the first mounting hole is an elliptical hole, and the door grill is adjusted in position along the elliptical hole in a direction toward or away from the first fixing bracket.
In one embodiment, a second fixing eye plate is arranged on the same side of the flat plate area as the hinged eye plate or on the opposite side of the hinged eye plate, a second fixing support is arranged at the position corresponding to the second fixing eye plate, one end of the second fixing support is fixedly connected with the ship body, and the other end of the second fixing support is detachably and fixedly connected with the second fixing eye plate.
In one embodiment, a second threaded hole is formed in the second fixing eye plate, a second mounting hole is formed in the second fixing bracket, and the second fixing eye plate and the second fixing bracket are detachably and fixedly connected through a second fastening bolt.
In one embodiment, the hinge bracket is an L-shaped structure, and includes a first connecting strip as a connecting end and a second connecting strip as a hinge end, and the connecting slot is disposed on the second connecting strip.
In one embodiment, the connection long holes are rounded rectangles, the rounded diameter of each rounded rectangle is smaller than the width of each connection long hole, and the length of each connection long hole is not smaller than the thickness of the door grille.
In one embodiment, a fastening chain is provided between two adjacent fastening bolts. The fastening bolt includes a first fastening bolt and a second fastening bolt.
According to a second aspect of the present application, there is also provided a ballast water system comprising a water inlet at which a subsea door grid device as described in the first aspect is provided.
According to a third aspect of the present application, there is also provided a cooling water system comprising a water inlet at which is provided a subsea door grille arrangement as described in the first aspect.
Compared with the prior art, the beneficial effect of this application is:
in the technical scheme of this application, through the setting of articulated eye plate and hinge support, set up the connection slot hole on hinge support, make articulated eye plate be connected with hinge support through inserting the mounting of establishing at the mounting hole and connecting the slot hole, and articulated eye plate can drive the grid and adjust on the thickness direction of seabed door. This application prevents that the door grid from opening or closing the in-process, bumping with the hull under the prerequisite that reduces clearance between submarine door grid and the sea water import, avoids causing the damage to the hull, eliminates the interference effect of submarine door and hull in certain extent. After the door grating is closed, the side surface of the outer part of the door grating is flush with the outer side of the ship body, and the outer side part of the ship body does not have any protruding part, so that the water flow resistance of the ship body can be reduced, the defect that the sea bottom door protrudes out of the ship body is eliminated, the ship body is suitable for different complex ship body curved surfaces, and meanwhile, ocean garbage can smoothly flow downwards and cannot easily enter the grating. This application has shortened seabed door installation debugging cycle, improves the economic benefits of boats and ships operation.
Drawings
To more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of a subsea door grille arrangement according to an embodiment of the present application;
FIG. 2 is a schematic view of an open-state structure of a subsea door grille arrangement according to an embodiment of the present application;
FIG. 3 is a schematic view of the connection of the hinge eye plate and the hinge bracket of FIG. 2 according to an embodiment of the present application;
fig. 4 is a schematic view illustrating connection of the hinge eye plate and the hinge bracket of fig. 1 according to an embodiment of the present application.
Reference numerals: 1. a door grill; 2. a hinged eye plate; 3. a second fixation eye plate; 4. a hinged support; 5. a second fixed bracket; 6. a first fixed bracket; 7. a grille door frame; 8. and (5) fastening the chain.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
According to a first aspect of the present application, referring to fig. 1 and 2, there is provided a subsea door grating device mounted on a subsea door of a ship hull, comprising a door grating 1, a hinged eye plate 2 and a hinged bracket 4. The outer edge of the door grating 1 is in gapless fit with the inner ring of the submarine door. The door grating 1 includes a grating region for blocking dirt and a flat plate region for connection to the hull, the flat plate region being disposed around a peripheral side of the grating region, the flat plate region not being shown in the drawing. The hinge eye plate 2 is arranged on one side of the flat plate area, and a mounting hole is formed in the hinge eye plate 2. The hinge support 4 is arranged corresponding to the hinge eye plate 2. The hinged support 4 is provided with a connecting end for being fixedly connected with the ship body and a hinged end connected with the hinged eye plate 2. When the hinged eye plate 2 is turned relative to the hinged support 4, the door grating 1 is driven to turn by taking the hinged eye plate 2 as a hinged point. The hinged support 4 is further provided with a connecting long hole, the hole length direction of the connecting long hole is consistent with the thickness direction of the sea chest door, the hinged eye plate 2 is connected with the hinged support 4 through a fixing piece inserted in the mounting hole and the connecting long hole, and the hinged eye plate 2 can drive the door grating 1 to be adjusted in the thickness direction of the sea chest door.
As shown in fig. 2, when the door grating 1 is opened, after the door grating 1 is moved out toward the outer side of the hull along the thickness direction of the submarine door, it is turned and opened toward the outer side of the hull with the hinge point as the center. As shown in fig. 1, when the door grating 1 is closed, after the door grating 1 is turned over and closed in the direction of the inside of the hull with the hinge point as the center, the door grating 1 moves toward the inside of the hull along the thickness direction of the sea floor door until the outer side surface of the door grating 1 is flush with the outer side of the hull.
This submarine door grid device it is under the prerequisite that reduces clearance between submarine door grid and the sea water import, prevents that the door grid from opening or close the in-process, bumping with the hull, avoids causing the damage to the hull. And after the door grating is closed, the side surface of the outer part of the door grating is flush with the outer side of the ship body, and the outer side part of the ship body does not have any protruding part, so that the water flow resistance of the ship body can be reduced, and simultaneously, marine garbage can smoothly flow downwards and cannot easily enter the grating.
In one embodiment, a grating door frame 7 is arranged on the inner side of a submarine door of a ship body, the grating door frame 7 is an annular frame body, and the inner edge of the grating door frame 7 corresponds to the inner ring of the submarine door. The grating door frame 7 can further protect the submarine door, prevent the collision with the ship body when opening and closing the door grating, and avoid damaging the ship body.
In one embodiment, first fixing eyelets are provided on both sides of the flat area adjacent to the hinge eyelets 2, and first fixing brackets 6 are provided on the grill door frame 7, each first fixing eyelet being provided corresponding to each first fixing bracket 6. The first fixed eye plate is detachably and fixedly connected with the first fixed bracket 6. It should be noted that, in this embodiment, the number of the first fixing eye plates is not specifically limited, and the number thereof may be adaptively selected according to production needs or reinforcement requirements. Consider when closing the door grid, can further fix door grid and grid door frame 7 through first fixed eye board and first fixed bolster 6, when opening the door grid, with first fixed eye board with first fixed bolster 6 take apart can, be convenient for more the operation.
In one embodiment, a first threaded hole is provided in the first fixing eyelet plate and a first mounting hole is provided in the first fixing bracket 6. The first fixing eye plate and the first fixing bracket 6 are detachably and fixedly connected through a first fastening bolt. The present embodiment exemplifies the connection manner of the first fixing eye plate and the first fixing bracket 6, and any other detachable fixing connection manner is within the protection scope of the present application.
In one embodiment, the first mounting hole is an elliptical hole, and the door grill 1 is adjusted in position along the elliptical hole in a direction toward or away from the first fixing bracket 6. As shown in the drawing, it is considered that when the door grill is closed, if the position between the door grill and the grill door frame 7 is deviated, fine adjustment is performed in the major axis direction of the first mounting hole, and the adjusted door grill completely corresponds to the grill door frame 7.
In one embodiment, the second fixing eye plates 3 are arranged on the same side of the flat plate area as the hinged eye plates 2 and on the opposite side of the flat plate area as the hinged eye plates 2, a second fixing bracket 5 is arranged corresponding to each second fixing eye plate 3, one end of each second fixing bracket 5 is fixedly connected with the ship body, and the other end of each second fixing bracket 5 is detachably and fixedly connected with the second fixing eye plate 3.
Specifically, when the door grating is closed, the door grating is further fixedly connected with the ship body, and one end of the second fixing support 5 is connected with the truss of the ship body, so that the connection stability is ensured. When the door grating needs to be opened for cleaning, the second fixing bracket 5 and the second fixing eye plate 3 are detached, so that the operation is convenient.
In one embodiment, a second threaded hole is provided on the second fixing eye plate 3, a second mounting hole is provided on the second fixing bracket 5, and the second fixing eye plate 3 and the second fixing bracket 5 are detachably and fixedly connected through a second fastening bolt. The present embodiment exemplifies the connection manner of the second fixing eye plate 3 and the second fixing bracket 5, and any other detachable fixing connection manner is within the protection scope of the present application.
In one embodiment, as shown in fig. 3 and 4, the hinge bracket 4 has an L-shaped structure, and includes a first connecting bar as a connecting end and a second connecting bar as a hinge end, and the connecting slot is formed in the second connecting bar. The arrangement of the L-shaped structure is considered, and the connecting long holes are arranged on the second connecting strips, so that the adjusting distance of the door grating along the thickness direction can be increased, the adjusting range is enlarged, and the boat body with different thicknesses can be adapted.
In one embodiment, as shown in fig. 4, the connection slot hole is a rounded rectangle, the diameter of the rounded corner of the rounded rectangle is smaller than the width of the connection slot hole, and when the fixing bolt is arranged in the connection slot hole, there is a gap d between the fixing bolt and the edge of the rounded corner, and the gap d is used as a distance for fine adjustment during the opening or closing process of the door grill 1. The length of the coupling long holes is not less than the thickness of the door grill 1, and the length of the coupling long holes is considered as the pushing distance of the door grill 1. Considering factors such as errors existing in the machining and installation processes, a certain gap is left between the fixing bolt and the edge of the connecting long hole for fine adjustment when the door grating 1 is in a completely closed state. Aiming at different ship types, the arrangement requirements of the door grating and the sea bottom door exceeding the ship body are all met.
In one embodiment, the fastening chain 8 is disposed between two adjacent fastening bolts, and the fastening bolts include a first fastening bolt and a second fastening bolt. Considering that the door grating 1 does not shake in a closed state during the operation of the ship, a fastening chain is arranged between any two adjacent fastening bolts to further fix the door grating 1 so as to meet the stability requirement of the door grating during the operation of the ship.
It should be noted that the distance between the second fixing eye plate 3 and the second fixing bracket 5 and the distance between the first fixing eye plate and the first fixing bracket 6 can be adjusted by the second fastening bolt and the first fastening bolt. When the ship hull with different curvatures is used, after the door grating is closed, the outer side surface of the door grating is flush with the outer side of the ship hull, and the outer side part of the ship hull has no any protruding part.
According to a second aspect of the present application, there is also provided a ballast water system comprising a water inlet at which a subsea door grating device as provided in the first aspect is provided.
According to a third aspect of the present application, there is also provided a cooling water system comprising a water inlet at which the subsea door grille arrangement as provided in the first aspect is provided.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (12)

1. A sea chest grating device mounted on the sea chest of a ship's hull, comprising:
the outer edge of the door grating is in clearance-free fit with the inner ring of the sea chest; the door grating comprises a grating area for blocking dirt and a flat plate area for connecting with the ship body; the flat plate area is arranged around the periphery of the grid area;
the hinged eye plate is arranged on one side of the flat plate area, and a mounting hole is formed in the hinged eye plate;
the hinge bracket is arranged corresponding to the hinge eye plate; the hinged support is provided with a connecting end for being fixedly connected with a ship body and a hinged end hinged with the hinged eye plate, and the hinged eye plate drives the door grating to turn over by taking the hinged eye plate as a hinged point when turning relative to the hinged support; the hinged support is also provided with a connecting long hole, and the hole length direction of the connecting long hole is consistent with the thickness direction of the sea chest door; the hinged eye plate is connected with the hinged support through a fixing piece inserted in the mounting hole and the connecting long hole, and the hinged eye plate can drive the door grating to be adjusted in the thickness direction of the submarine door;
the gate grating is turned and opened towards the outer side of the ship body by taking a hinge point as a center after moving out towards the outer side of the ship body along the thickness direction of the seabed gate; after the door grating is turned over and closed in the direction towards the inside of the ship body by taking a hinge point as a center, the door grating moves towards the inside of the ship body along the thickness direction of the seabed door, and the side surface of the outside of the door grating is flush with the outer side of the ship body.
2. The subsea door grid device according to claim 1, wherein a grid door frame is disposed inside the subsea door of the hull, the grid door frame is an annular frame, and an inner edge of the grid door frame is disposed corresponding to an inner ring of the subsea door.
3. The subsea door grid device according to claim 2, wherein first fixing eyelets are provided on both sides of the flat plate region adjacent to the hinge eyelets, and first fixing brackets are provided on the grid door frame, the first fixing eyelets being provided in correspondence with the first fixing brackets; the first fixed eye plate is detachably and fixedly connected with the first fixed support.
4. The subsea door grid device according to claim 3, wherein a first threaded hole is formed in the first fixing eye plate, a first mounting hole is formed in the first fixing bracket, and the first fixing eye plate and the first fixing bracket are detachably and fixedly connected by a first fastening bolt.
5. The subsea door grid assembly according to claim 4, wherein the first mounting hole is an elliptical hole, and the door grid is positionally adjustable along the elliptical hole in a direction toward and away from the first fixing bracket.
6. The sea chest grid assembly of claim 5, wherein a second fixing eye plate is disposed on the same side of the plate area as the hinged eye plate or on the opposite side of the hinged eye plate, a second fixing bracket is disposed corresponding to the second fixing eye plate, one end of the second fixing bracket is fixedly connected with the ship body, and the other end of the second fixing bracket is detachably and fixedly connected with the second fixing eye plate.
7. The subsea door grid assembly according to claim 6, wherein the second fixing eye plate is provided with a second threaded hole, the second fixing bracket is provided with a second mounting hole, and the second fixing eye plate is detachably and fixedly connected to the second fixing bracket by a second fastening bolt.
8. The subsea door grid device according to claim 1, wherein the hinge bracket is of an L-shaped structure, and comprises a first connecting bar and a second connecting bar, the first connecting bar is used as a connecting end, the second connecting bar is used as a hinge end, and the connecting long holes are formed in the second connecting bar.
9. The subsea door grid device according to claim 8, wherein the connection long holes are rounded rectangles, the rounded rectangles having a rounded corner diameter smaller than the width of the connection long holes, and the connection long holes have a length not smaller than the thickness of the door grid.
10. The subsea door grid device according to claim 7, wherein a fastening chain is provided between two adjacent fastening bolts, the fastening bolts comprising a first fastening bolt and a second fastening bolt.
11. A ballast water system comprising a water inlet at which is provided a subsea door grid device as claimed in any of claims 1-10.
12. A cooling water system comprising a water inlet at which is located a subsea door grille arrangement as claimed in any one of claims 1 to 10.
CN202210125356.2A 2022-02-10 2022-02-10 Seabed door grating device, ballast water system and cooling water system Active CN114379712B (en)

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CN202210125356.2A CN114379712B (en) 2022-02-10 2022-02-10 Seabed door grating device, ballast water system and cooling water system

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CN202210125356.2A CN114379712B (en) 2022-02-10 2022-02-10 Seabed door grating device, ballast water system and cooling water system

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CN114379712B true CN114379712B (en) 2023-01-20

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