Integral watertight reinforcing plate of ship body structure
By setting a water-stopping expansion adhesive layer and supporting reinforcement components on the watertight patch plate, the problems of welding thermal deformation and assembly accuracy are solved, achieving high-efficiency watertight performance and stability, reducing the risk of leakage and sealing failure, and improving ship safety.
Patent Information
- Application Number
- CN202520692567.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-04-14
AI Technical Summary
Existing integral watertight patch plates for ship hull structures are prone to micro-cracks or sealing defects due to welding thermal deformation and assembly precision limitations. Furthermore, the lack of supporting and reinforcing structures increases the risk of leakage and sealing failure.
A rigid fixing base is formed by using a water-stopping expansion adhesive layer, a first welding plate, and a second welding plate. A triangular rigid support reinforcement system is constructed through support and reinforcement components to enhance the sealing performance and stability of the watertight patch plate.
It effectively avoids micro-cracks and sealing defects, improves watertight performance, enhances deformation resistance, and ensures the long-term reliability and safety of the watertight patch plate under dynamic loads.
Smart Images

Figure CN223905237U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to ship hull technical field, concretely is a kind of ship hull structure integral watertight patch. BACKGROUND
[0002] Watertight patch is the integrated sealing component for closing ship opening in ship building, usually made by steel plate welding, its core function is to maintain the watertight integrity of ship, prevent seawater from seeping into cabin, ensure the safety of navigation, mainly applied to the parts such as pipeline, cable, etc. Penetrate the structure of ship, replace the traditional multi-piece assembly mode through integral design, reduce welding joint, improve structural strength and sealing reliability, the watertight patch is made of corrosion-resistant material and subjected to strict water pressure test, has compression resistance and anti-leakage function, suitable for high stress area, can effectively reduce maintenance frequency, prolong the service life of ship body, is the key technical component for guaranteeing watertight performance in modern ship engineering;
[0003] The existing patent number CN208665477U provides a kind of ship hull structure integral watertight patch, wherein the ship hull structure integral watertight patch includes patch plate body and through-hole, the through-hole is set on the upper surface of the patch plate body.The integral watertight patch technology will fill the blank in shipbuilding field, compared with the patch form of the two plates splicing of traditional adoption, its main advantages include: integral cutting can effectively improve material utilization, reduce cutting length and save energy;Assembled simply, will not cause material loss in construction process, reduce waste;Patch and watertight bulkhead and plate frame base material are only fillet weld, cancel the original butt joint of two patch splicing, reduce welding amount, save electrode;Integral watertight patch avoids the phenomenon of butt joint leakage, can improve watertightness;Easy to assemble, reduce welding workload, improve work efficiency.
[0004] The existing technology has the following problems:
[0005] 1, the existing ship hull structure integral watertight patch, mostly using welding process installation, but this also leads to watertight patch to be limited by welding thermal deformation and assembly accuracy, and its seam is prone to microcrack or sealing defect, in turn cause the watertight performance of patch and ship contact area to deteriorate, cause leakage risk problem, can not satisfy the use requirement;
[0006] 2, the existing ship hull structure integral watertight patch does not have the structure of supporting and reinforcing, which also leads to the watertight patch to be prone to local deformation when bearing larger external load, cause sealing failure or increase the risk of structural damage, reduce the safety of use, inconvenient to promote. UTILITY MODEL CONTENT
[0007] The ship hull structure integral type watertight patch provided by the utility model solves the problems that the existing watertight patch is limited by welding thermal deformation and assembly precision, micro cracks or sealing defects are easily generated at the joint, the watertight performance of the contact area between the patch and the ship body is deteriorated, leakage risk is caused, and the structure does not have supporting and reinforcing functions, which also causes the watertight patch to be easily deformed locally when bearing a large external load, and the problems of sealing failure or increased risk of structural damage.
[0008] To achieve the above object, the utility model provides the following technical scheme: a ship hull structure integral type watertight patch, including patch plate body, the front middle of patch plate body is equipped with the spout, the outer edge of patch plate body is equipped with the water stop expansion adhesive layer, the first welding plate is equipped in front of patch plate body in water stop expansion adhesive layer, the second welding plate is equipped in the back of patch plate body in water stop expansion adhesive layer, the front lower side of patch plate body is equipped with supporting and reinforcing assembly.
[0009] As a preferred technical scheme of the utility model, the patch plate body, the first welding plate and the second welding plate are integrally arranged, and the size of the first welding plate is matched with the size of the second welding plate.
[0010] As a preferred technical scheme of the utility model, the water stop expansion adhesive layer is installed on the patch plate body through adhesive connection, and the size of the water stop expansion adhesive layer is matched with the size of the patch plate body.
[0011] As a preferred technical scheme of the utility model, the supporting and reinforcing assembly comprises a supporting plate, a first fixing bolt is arranged in the middle of the front of the supporting plate, a supporting rod is arranged in the first fixing bolt, a second fixing bolt is arranged at the bottom end of the supporting rod, an installation plate is arranged at the bottom of the second fixing bolt, and a fastening bolt is arranged at one side of the top of the installation plate.
[0012] As a preferred technical scheme of the utility model, the first fixing bolt and the second fixing bolt are respectively installed on the supporting plate and the installation plate through fixed connection, and the positions of the supporting plate and the installation plate are arranged in mutual correspondence.
[0013] As a preferred technical scheme of the utility model, the top end of the supporting rod is rotatably connected with the first fixing bolt, the bottom end of the supporting rod is rotatably connected with the second fixing bolt, and the number of the supporting rods is two groups, and the two groups of supporting rods are arranged in mutual correspondence.
[0014] As a preferred technical scheme of the utility model, a threaded hole matched with the size of the fastening bolt is arranged on the installation plate, the number of the fastening bolts is several groups, and the fastening bolts are arranged in a rectangular array.
[0015] Compared with the prior art, this utility model provides an integral watertight patch for ship hull structure, which has the following advantages:
[0016] 1. This type of integral watertight patch for ship hull structure, by setting a water-stopping expansion adhesive layer, a first welding plate and a second welding plate, during installation, firstly, the first welding plate and the second welding plate on the patch plate are aligned and welded to the designated area of the hull to form a rigid fixed base, then the joint is butt-jointed with the skeleton and permanent sealing is achieved by peripheral welding. Finally, the water-stopping expansion adhesive layer pre-placed on the patch plate enhances the tightness of the outer edge joint of the patch plate under normal working conditions. When the joint is leaking water due to high pressure, the adhesive expands rapidly upon contact with water, filling the micro gaps through volume self-adaptation, forming a dynamic compensation seal, further improving the watertight performance of the watertight patch plate. This design avoids the problem of micro-cracks or sealing defects easily generated at the joints of the watertight patch plate due to welding heat deformation and assembly precision limitations, thus meeting the usage requirements.
[0017] 2. This type of integral watertight patch for ship hull structure, through the setting of a support plate, a first fixing bolt, a support rod, a second fixing bolt, an mounting plate, and fastening bolts, involves the following steps during installation: First, the support rod is rotated around the first fixing bolt as an axis, causing the bottom of the mounting plate to fit against the hull. Then, the fastening bolts are used to anchor the mounting plate to the hull structure, forming initial support. Finally, through the linkage between the support rod and the support plate, a triangular rigid support reinforcement system is constructed above the mounting plate, realizing the multi-point distribution and transmission of load to the hull frame. This improves the stability of the watertight patch and enhances its resistance to deformation, effectively reducing local stress concentration and ensuring the long-term reliability of the watertight patch under dynamic loads. This design provides the watertight patch with a supported and reinforced structure, avoiding the problem of local deformation when the watertight patch is subjected to large external loads, improving safety in use, and facilitating its widespread adoption. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0019] Figure 2 This is a side view of the structure of this utility model;
[0020] Figure 3 This is a cross-sectional structural diagram of the patch plate body of this utility model;
[0021] Figure 4 This is a three-dimensional structural diagram of the support and reinforcement component of this utility model.
[0022] In the figure: 1, the patch plate body; 2, the socket; 3, the water stop expansion adhesive layer; 4, the first welding plate; 5, the second welding plate; 6, the support reinforcing assembly; 601, the support plate; 602, the first fixing bolt; 603, the support rod; 604, the second fixing bolt; 605, the mounting plate; 606, the fastening bolt. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0024] With reference to Figure 1 , Figure 2 and Figure 3 , the utility model provides an embodiment: a kind of integral watertight patch plate of ship hull structure, including patch plate body 1, socket 2 is set in the middle of patch plate body 1 front, patch plate body 1 outer along is provided with water stop expansion adhesive layer 3, first welding plate 4 is provided with in patch plate body 1 located water stop expansion adhesive layer 3 front, second welding plate 5 is provided with in patch plate body 1 located water stop expansion adhesive layer 3 back, patch plate body 1 front lower side is provided with support reinforcing assembly 6;Patch plate body 1 is integrally arranged with first welding plate 4 and second welding plate 5, the size of first welding plate 4 is compatible with the size of second welding plate 5;
[0025] Specifically: it is convenient to install patch plate, and first welding plate 4 and second welding plate 5 are aligned and welded in the specified area of ship body, to form rigid fixed base, to seal and fix patch plate.
[0026] With reference to Figure 1 , Figure 2 and Figure 3 , water stop expansion adhesive layer 3 is installed on patch plate body 1 by adhesion connection, the size of water stop expansion adhesive layer 3 is compatible with the size of patch plate body 1;
[0027] Specifically: it is convenient to enhance the joint tightness of patch plate outer along by pre-installed water stop expansion adhesive layer 3 under normal working conditions, when joint is high pressure seepage, and glue body meets water and expands rapidly, and micro gap is filled by volume self-adaption, to form dynamic compensation seal, to further improve the watertight performance of watertight patch plate.
[0028] With reference to Figure 1 , Figure 2 and Figure 4The support reinforcing assembly 6 comprises a support plate 601, a first fixing bolt 602 is arranged in the middle of the front surface of the support plate 601, a support rod 603 is arranged in the first fixing bolt 602, a second fixing bolt 604 is arranged at the bottom end of the support rod 603, an installation plate 605 is arranged at the bottom of the second fixing bolt 604, and a fastening bolt 606 is arranged at one side of the top of the installation plate 605; a threaded hole with a size matched with the fastening bolt 606 is formed in the installation plate 605, the number of the fastening bolts 606 is several groups, and the fastening bolts 606 are arranged in a rectangular array.
[0029] Specifically, the installation plate 605 and the ship body structure are anchored through the fastening bolts 606, preliminary support is formed, and the stability and firmness of the watertight patch are strengthened.
[0030] Referring to Figure 1 , Figure 2 and Figure 4 , the first fixing bolt 602 and the second fixing bolt 604 are respectively installed on the support plate 601 and the installation plate 605 through fixed connection, the positions of the support plate 601 and the installation plate 605 are arranged in correspondence with each other; the top end of the support rod 603 is rotatably connected with the first fixing bolt 602, the bottom end of the support rod 603 is rotatably connected with the second fixing bolt 604, and the number of the support rods 603 is two groups, and the two groups of support rods 603 are arranged in correspondence with each other.
[0031] Specifically, the triangular rigid support reinforcing system is constructed above the installation plate 605 through the linkage of the support rod 603 and the support plate 601, multi-point dispersion conduction of the load to the ship body frame is realized, the stability of the watertight patch can be improved and the anti-deformation ability can be enhanced, the local stress concentration can be effectively reduced, and the long-term reliability of the watertight patch under dynamic load can be ensured.
[0032] The working principle and use process of the utility model are as follows: during installation, first, the first welding plate 4 and the second welding plate 5 on the patch plate body 1 are aligned and welded in the specified area of the ship body, a rigid fixed base is formed, then the socket 2 is connected with the bone material, and permanent sealing is realized through peripheral welding, finally, the water stop expansion adhesive layer 3 preinstalled on the patch plate body 1 enhances the joint tightness of the outer edge of the patch plate under normal working conditions, when the joint is infiltrated with high pressure water, the glue expands rapidly when meeting water, micro gaps are filled through volume self-adaption, dynamic compensation sealing is formed, and the water tightness of the watertight patch is further improved;
[0033] During the installation process, first, the support rod 603 on the second fixing bolt 604 is rotated with the first fixing bolt 602 as the axis, so that the bottom of the mounting plate 605 is attached to the ship body, then the mounting plate 605 is anchored with the ship body structure using the fastening bolt 606 to form a preliminary support, finally through the linkage of the support rod 603 and the support plate 601 in the support reinforcement assembly 6, a triangular rigid support reinforcement system is constructed above the mounting plate 605, the multi-point dispersion of the load to the ship body frame is realized, the stability of the watertight patch can be improved and the anti-deformation ability can be enhanced, the local stress concentration can be effectively reduced, and the long-term reliability of the watertight patch under dynamic load can be ensured.
[0034] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement for part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A monolithic watertight patch for a ship hull structure, comprising a patch body (1), characterized in that: The plug (2) is arranged in the middle of the front surface of the patch plate body (1), the water stop expansion adhesive layer (3) is arranged on the outer edge of the patch plate body (1), the first welding plate (4) is arranged in front of the water stop expansion adhesive layer (3), the second welding plate (5) is arranged on the back of the water stop expansion adhesive layer (3), and the support reinforcing assembly (6) is arranged on one side below the front surface of the patch plate body (1).
2. A one-piece watertight patch for a ship structure according to claim 1, characterized in that: The patch plate body (1), the first welding plate (4) and the second welding plate (5) are integrally arranged, and the size of the first welding plate (4) is matched with the size of the second welding plate (5).
3. A one-piece watertight patch for a ship structure according to claim 1, characterized in that: The water stop expansion adhesive layer (3) is installed on the patch plate body (1) through adhesive connection, and the size of the water stop expansion adhesive layer (3) is matched with the size of the patch plate body (1).
4. A one-piece watertight patch for a ship structure according to claim 1, characterized in that: The support reinforcing assembly (6) comprises a support plate (601), a first fixing pin (602) is arranged in the middle of the front surface of the support plate (601), a support rod (603) is arranged in the first fixing pin (602), a second fixing pin (604) is arranged at the bottom end of the support rod (603), an installation plate (605) is arranged at the bottom of the second fixing pin (604), and a fastening bolt (606) is arranged on one side of the top of the installation plate (605).
5. A one-piece watertight patch for a ship structure according to claim 4, characterized in that: The first fixing pin (602) and the second fixing pin (604) are respectively installed on the support plate (601) and the installation plate (605) through fixed connection, and the positions of the support plate (601) and the installation plate (605) are arranged in mutual correspondence.
6. A one-piece watertight patch for a ship structure according to claim 4, characterized in that: The top end of the support rod (603) is rotatably connected with the first fixing pin (602), the bottom end of the support rod (603) is rotatably connected with the second fixing pin (604), and the number of the support rod (603) is two groups.
7. A one-piece watertight patch for a ship structure according to claim 4, characterized in that: A plurality of groups of fastening bolts (606) are arranged in a rectangular array.
Citation Information
Patent Citations
Board is mended to integral watertight of boats and ships hull structure
CN208665477U