CN215622600U

CN215622600U - A topside overhauls device under surface of water for boats and ships

Info

Publication number: CN215622600U
Application number: CN202120950932.8U
Authority: CN
Inventors: 赵福志; 陈拔云; 周爱民; 黄泽胜; 张�浩
Original assignee: Yiu Lian Dockyards (shekou) Ltd; China Merchants Heavy Industry Shenzhen Co Ltd
Current assignee: China Merchants Jinling Shipping Nanjing Co ltd; Yiu Lian Dockyards (shekou) Ltd; China Merchants Heavy Industry Shenzhen Co Ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2022-01-25
Anticipated expiration: 2031-05-06

Abstract

The utility model discloses a device for overhauling a ship on a side of a ship under a water surface, and relates to the technical field of ship repair. Including setting up in the maintenance mechanism of topside hull one side, maintenance mechanism includes the framework, the outside of framework is provided with and strengthens angle steel and flat-bulb steel rib one, the inside of framework is provided with a supporting beam that quantity is one at least, the inside that one side of framework is provided with channel-section steel and channel-section steel is provided with sealing rubber. The shipboard maintenance work below the water surface is not limited by the dock period of a shipyard any more, the shipboard maintenance work can be maintained under the condition of no production stoppage, the economic loss can be reduced for the shipyard, the maintenance cost can be saved for the shipyard, the construction time is greatly shortened, the working efficiency is obviously improved, the device has the advantages of simple structure, low manufacturing cost, repeated use, firm structure, good water tightness, capability of bearing larger pressure, wide construction area, convenience for construction operations such as cutting, polishing, welding, hoisting and the like, economic benefits are met, and the device has higher universality.

Description

A topside overhauls device under surface of water for boats and ships

Technical Field

The utility model relates to the technical field of ship repair, in particular to a water surface lower side maintenance device for a ship.

Background

The hull planking, outboard pipe contact with sea water for a long time, receive influence such as coating drop, structural deformation, acid waste water discharge, the corrosion acceleration appears easily, even rust wearing scheduling problem, needs urgent shutoff and change.

According to the traditional method, maintenance engineering of the shipboard part below a ship waterline, such as changing an outer hull plate, changing an outer tube on a shipboard, removing rust and repairing paint, must be carried out in a dock, although the construction safety can be ensured, the dock period of a shipyard needs to be preset every time of docking and undocking, a large amount of time and manpower are consumed in procedures such as pier position arrangement, manual scheduling, tugboat matching, scaffold erection and the like, the cost is not very high, and particularly for equipment anchored on water like a floating production oil storage device, a floating dock and the like, the production stoppage, docking and maintenance inevitably causes impact on busy production, and huge economic loss is brought.

SUMMERY OF THE UTILITY MODEL

The utility model provides a maintenance device for a ship on a side below a water surface, which has the advantages of maintaining under the condition of no production stop, reducing economic loss for a shipside, saving maintenance cost for a shipyard, greatly shortening construction time and obviously improving working efficiency, and solves the problems that the docking period of the shipyard needs to be preset every time of docking and undocking, and a large amount of time and labor are consumed in the procedures of pier arrangement, manual scheduling, tug cooperation, scaffold erection and the like, so that the cost is not too high.

In order to realize the purposes of maintaining without stopping production, reducing economic loss for shipside, saving maintenance cost for shipyard, greatly shortening construction time and obviously improving working efficiency, the utility model provides the following technical scheme: the utility model provides a shipboard side overhauls device under surface of water for boats and ships, is including setting up in the maintenance mechanism of shipboard hull one side, maintenance mechanism includes the framework, the outside of framework is provided with and strengthens angle steel and flat-bulb steel rib one, the inside of framework is provided with a supporting beam that quantity is one at least, the inside that one side of framework is provided with channel-section steel and channel-section steel is provided with sealing rubber, the bottom of framework is provided with the jar that catchments, the both sides of framework all are provided with the lug.

According to a preferable technical scheme of the utility model, the channel steel and the sealing rubber are both arranged in a U shape, and the sealing rubber is adhered to the inside of the channel steel through the non-dry adhesive.

According to a preferable technical scheme of the utility model, a notch is formed in the first bulb flat steel rib, and the surface of the reinforcing angle steel is fixedly welded with the inside of the notch.

According to a preferable technical scheme of the utility model, a second bulb-shaped flat steel rib and a reinforcing plate are arranged at the bottom of the frame body, and the second bulb-shaped flat steel rib and the reinforcing plate are arranged in a cross shape.

In a preferred embodiment of the utility model, one side of the side ship shell is movably connected with one side of the sealing rubber far away from the channel steel, and one side of the side ship shell is provided with a hook seat.

As a preferred technical scheme of the utility model, a chain block is arranged inside the hook seat, and one end of the chain block, which is far away from the hook seat, extends into the lifting lug.

As a preferable technical scheme of the utility model, one side of the side ship shell is sequentially provided with a first strake and a second strake, one end of the first strake, which is far away from the side ship shell, is welded with the inner wall of the frame, and one end of the second strake, which is far away from the side ship shell, is welded with the bottom of the inner wall of the frame.

In a preferred embodiment of the present invention, the side hull is provided with a side outlet pipe inside, and vertical ladders are provided on both sides of an inner wall of the frame.

Compared with the prior art, the utility model provides a device for overhauling the underwater side of a ship, which has the following beneficial effects:

1. this a device is overhauld to topside under surface of water for boats and ships, through setting up maintenance mechanism and topside hull, the topside maintenance work below the surface of water no longer is subject to the dock phase of shipyard, can maintain under the situation of not stopping production, can replace the ship side to reduce economic loss, save cost of maintenance for the shipyard, has shortened the time of construction greatly, obviously improves work efficiency.

2. This a topside maintenance device under surface of water for boats and ships overhauls mechanism and topside ship shell through setting up, the device simple structure, and the cost of manufacture is low, repeatedly usable and sound construction, and the water proofness is good, can bear great pressure, and the construction region is spacious, and the construction operations such as the cutting of being convenient for, polish, welding, handling accord with economic benefits, have higher commonality.

3. This a shipboard side overhauls device under surface of water for boats and ships, through setting up maintenance mechanism and shipboard hull, remaining sea water or sewage are taken away to the accessible immersible pump, are favorable to the collection of waste water, waste material, and the non-staining environment has wide application prospect.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the maintenance mechanism of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is a cross-sectional view of a sealing rubber structure of the present invention;

FIG. 5 is a schematic view of the maintenance mechanism installation process of the present invention;

fig. 6 is a schematic view of the completion of the installation of the service mechanism of the present invention.

In the figure: 1. a maintenance mechanism; 11. a frame body; 111. lifting lugs; 112. a reinforcing plate; 12. reinforcing angle steel; 13. a first bulb flat steel rib; 14. a support beam; 15. channel steel; 151. non-dry glue; 16. sealing rubber; 17. erecting a ladder; 18. a water collection tank; 19. a second bulb steel rib; 2. a side hull; 21. a hook base; 22. stacking a first plate; 23. a second code plate; 24. a shipboard pipe is arranged; 25. a chain block.

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.

Referring to fig. 1-6, the utility model discloses a water surface side maintenance device for a ship, comprising a maintenance mechanism 1 arranged at one side of a side ship shell 2, the maintenance mechanism 1 comprises a frame body 11, the frame body 11 is formed by welding three side steel plates and a bottom steel plate, the outer side of the frame body 11 is provided with a reinforcing angle steel 12 and a flat-bulb steel rib 13, at least one supporting beam 14 is arranged inside the frame body 11, the supporting beam 14 is used for ensuring the stability of the frame body 11 and preventing the frame body 11 from deforming under pressure, a channel steel 15 is arranged on one side of the frame body 11, a sealing rubber 16 is arranged in the channel steel 15, the bottom of the frame body 11 is provided with a water collecting tank 18, the water collecting tank 18 is used for installing a submersible pump for pumping and discharging seawater, both sides of the frame body 11 are provided with lifting lugs 111, and the lifting machine and the chain block 25 are connected through the lifting lugs 111.

Specifically, channel-section steel 15 and sealing rubber 16 all are the U-shaped setting, sealing rubber 16 bonds in the inside of channel-section steel 15 through not doing viscose 151.

In this embodiment, when the frame 11 is mounted on the side hull 2, the seawater in the frame 11 needs to be pumped away, and as the seawater in the frame 11 decreases, the pressure difference between the inside and the outside of the frame 11 increases, forcing the sealing rubber 16 to be more and more compressed with the side hull 2, so as to ensure the sealing performance of the frame 11,

specifically, a notch is formed in the first bulb steel rib 13, and the surface of the reinforcing angle steel 12 is fixedly welded to the inside of the notch.

In this embodiment, the first bulb-shaped steel rib 13 has a cut inside to allow the reinforcing angle steel 12 to pass through, and the two are connected together by welding, so that on one hand, the transverse strength of the frame 11 can be ensured, and on the other hand, the other side of the frame serves as a fulcrum of the reinforcing angle steel 12, which can bear the force transmitted from the reinforcing angle steel 12 and reduce the deformation of the reinforcing angle steel 12.

Specifically, the bottom of the frame body 11 is provided with a second bulb-shaped steel rib 19 and a reinforcing plate 112, and the second bulb-shaped steel rib 19 and the reinforcing plate 112 are arranged in a cross shape.

In this embodiment, the second bulb steel rib 19 is matched with the reinforcing plate 112, so that the structural strength of the bottom of the frame body 11 is effectively ensured.

Specifically, one side of topside hull 2 and one side swing joint that channel-section steel 15 was kept away from to sealing rubber 16, one side of topside hull 2 is provided with hook seat 21, the inside of hook seat 21 is provided with chain block 25, chain block 25 keeps away from the inside that the one end of hook seat 21 extends to lug 111, one side of topside hull 2 has set gradually strake one 22 and strake two 23, strake one 22 keeps away from the one end of topside hull 2 and the inner wall welding of framework 11, strake two 23 keep away from the bottom welding of the one end of topside hull 2 and framework 11 inner wall, the inside of topside hull 2 is provided with out the side pipe 24, the both sides of framework 11 inner wall all are provided with vertical ladder 17.

In this embodiment, use two yardage one 22 and two yardage two 23 with maintenance mechanism 1 and the broadside hull 2 direct weld sign indicating number, two yardage one 22 keep away from broadside hull 2 one end respectively with the both sides welding of framework 11 inner wall, two yardage one 22 keep away from broadside hull 2 one end all with the bottom welding of framework 11 inner wall, R80mm circular arc cross-welding hole is all opened to yardage one 22 and two 23 positions that are close to sealing rubber 16, prevent to scald seal rubber 16 during the welding.

When the device is used, firstly, the side hull 2 of the area to be repaired is cleaned, the inside of the area to be repaired is cleared, explosion measurement is qualified, then whether the existing maintenance mechanism 1 meets the use requirements is judged according to the water depth position of the point to be repaired, the repair area and the molded line condition of the side hull 2 around the point to be repaired, redesign can be carried out according to the actual line type if necessary, structural finite element stress analysis is carried out, referring to the figure 2 and the figure 5, a submersible pump for pumping and discharging seawater is installed in the water collection tank 18, two light and heavy balancing weights are placed in the maintenance mechanism 1 according to the repair water depth condition of the point to be repaired, the buoyancy force applied when the maintenance mechanism 1 works is roughly estimated according to the position of the point to be repaired, so as to confirm the quality of adding the two light and heavy balancing weights, such as: the length a of the bottom of the maintenance mechanism 1 is 2M, the width b is 1.8M, the designed draft h is 4.5M, the row of F float PGV is 1000x9.8x2x1.8x4.5 is 158760(N), the mass M of the maintenance mechanism 1 is 7Ton, the row of light weight block 5Ton, the row of heavy weight block 8Ton, the light weight block mainly used for discharging the volume of the boiled water, the pressure difference between the inside and the outside is produced, the heavy weight block mainly used for balancing the buoyancy of the bottom of the frame 11, avoiding the sudden upward movement of the maintenance mechanism 1 due to the excessive buoyancy, the whole maintenance mechanism 1 is hoisted to the vicinity of the point to be repaired by using a crane matching with a lifting lug 111, the outer plate at the position of about 1.5M on the water surface right above the point to be repaired is provided with a hoist (the inner side corresponding to a bone structure), two hand blocks 25 are hung by using a lifting lug 111, the maintenance mechanism 25 is used for slowly pulling the maintenance mechanism 1 to lean against the hull 2 until the hull and the hull 2 is sealed with the rubber 16, forming a closed space, then using a crane to rapidly lift out a light weight block, as shown in fig. 5, rapidly reducing the seawater in the space of the frame body 11, starting a submersible pump, pumping the seawater in the frame body 11 away (if the conditions allow, pumping the seawater by matching with auxiliary equipment such as a ship pipeline, a ballast pump and the like), as the seawater in the frame body 11 is continuously reduced, the pressure difference between the inside and the outside of the frame body 11 is continuously increased, and the sealing rubber 16 is more and more tightly pressed, as shown in fig. 4, when the seawater is drained, the total weight of the heavy weight block and the self weight of the maintenance mechanism 1 is approximately equal to the upward buoyancy of the maintenance mechanism 1, finally, referring to fig. 6, arranging personnel to wear life jackets and enter from the vertical ladder 17, after checking and confirming that no water seeps around the sealing rubber 16 exists, using two code plates one 22 and two code plates two 23 to directly weld and code the maintenance mechanism 1 and the side hull 2, wherein one ends of the two code plates one 22 far away from the side hull 2 are respectively welded with the two sides of the inner wall of the frame body 11, one end of each of the two stacking plates (22) far away from the side hull (2) is welded with the bottom of the inner wall of the frame body (11), after the frame body (11) and the side hull (2) are firmly integrated, crane protection can be removed, after a counterweight block is lifted away, maintenance operation on the side under the water surface can be carried out, after maintenance construction is finished, waste materials, paint buckets, oil stains and the like in the frame body (11) are cleaned, the counterweight block is lifted again by the crane, the gravity of the counterweight block and the maintenance mechanism (1) is approximately equal to the buoyancy of the maintenance mechanism (1), the maintenance mechanism (1) is lifted and protected by the crane matching lifting lugs (111), then the temporarily fixed stacking plates (22) and the stacking plates (23) are cut one by one, paint repair protection is carried out after polishing is smooth, the repair paint drying is confirmed, after personnel leave safely, seawater is filled into a closed space in the frame body (11) through a submersible pump or a pipeline on the ship, a ballast pump and the like to eliminate the pressure difference between the inner side and the outer side, when the water pressure in the direction perpendicular to the side hull 2 is reduced to a certain value, the frame 11 is separated from the side hull 2, the chain block 25 is removed, and the frame 11 and the counterweight are lifted by the crane, so that the operation of the device is completed.

To sum up, this a surface of water topside maintenance device for boats and ships is through setting up maintenance mechanism 1 and topside hull 2, and the topside maintenance work below the surface of water no longer is subject to the depressed place period of shipyard, can maintain under the situation of not stopping production, can reduce economic loss, save cost of maintenance for the shipyard for the ship side, has shortened the time of construction greatly, obviously improves work efficiency.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a shipboard maintenance device under surface of water for boats and ships, is including setting up in maintenance mechanism (1) of shipboard hull (2) one side, its characterized in that: maintenance mechanism (1) includes framework (11), the outside of framework (11) is provided with and strengthens angle steel (12) and flat-bulb steel rib (13), the inside of framework (11) is provided with a supporting beam (14) that quantity is one at least, the inside that one side of framework (11) was provided with channel-section steel (15) and channel-section steel (15) is provided with sealing rubber (16), the bottom of framework (11) is provided with catchment jar (18), the both sides of framework (11) all are provided with lug (111).

2. A subsea side service device for a marine vessel in accordance with claim 1, wherein: channel-section steel (15) and sealing rubber (16) all are the U-shaped setting, sealing rubber (16) bond in the inside of channel-section steel (15) through not doing viscose (151).

3. A subsea side service device for a marine vessel in accordance with claim 1, wherein: a notch is formed in the first bulb steel rib (13), and the surface of the reinforcing angle steel (12) is fixedly welded with the inside of the notch.

4. A subsea side service device for a marine vessel in accordance with claim 1, wherein: the bottom of framework (11) is provided with flat-bulb steel rib two (19) and reinforcing plate (112), flat-bulb steel rib two (19) are the cross setting with reinforcing plate (112).

5. A subsea side service device for a marine vessel in accordance with claim 1, wherein: one side of the side ship shell (2) is movably connected with one side, far away from the channel steel (15), of the sealing rubber (16), and a hook seat (21) is arranged on one side of the side ship shell (2).

6. The subsea side access device for a marine vessel of claim 5, wherein: the inside of hook seat (21) is provided with chain block (25), the one end that hook seat (21) were kept away from in chain block (25) extends to the inside of lug (111).

7. A subsea side service device for a marine vessel in accordance with claim 1, wherein: one side of topside hull (2) has set gradually yard board (22) and yard board two (23), the one end that topside hull (2) were kept away from in yard board (22) welds with the inner wall of framework (11), the one end that topside hull (2) were kept away from in yard board two (23) welds with the bottom of framework (11) inner wall.

8. A subsea side service device for a marine vessel in accordance with claim 1, wherein: the side ship shell is characterized in that a side outlet pipe (24) is arranged in the side ship shell (2), and vertical ladders (17) are arranged on two sides of the inner wall of the frame body (11).