Connecting structure and method for split type insulation modules of LNG ship containment system

Abstract

The invention relates to the technical field of ship body structures, and provides a connecting structure and method for split type insulation modules of an LNG ship containment system.The connecting structure is used for sequentially connecting a first layer of foam and a second layer of foam to a ship body, a groove is formed in the second layer of foam, and the multifunctional connecting structure comprises a fixing base fixedly arranged on the ship body; one end of the connecting rod is connected to the fixed seat; the first pressing plate is connected with the connecting rod and abuts against the first layer of foam; the pressing assembly is provided with a second pressing plate and a supporting plate, the connecting rod is sleeved with the second pressing plate, the second pressing plate abuts against the inner wall of the groove in the second layer of foam, and the supporting plate is connected with the second pressing plate; the third pressing plate is connected with the supporting plate and abuts against one side of the second layer of foam; the first pressing plate is used for fixing the first layer of foam, the second pressing plate and the third pressing plate are used for fixing the second layer of foam at the same time, and through the fixing mode, the multifunctional connecting structure can effectively fix the two layers of foam to the ship body.

Description

Technical Field

[0001] The present invention belongs to the technical field of hull structures, and particularly relates to a connection structure and a usage method for a split insulation module of an LNG ship's containment system. Background Art

[0002] In modern ship design, double-layer foam is widely used inside the hull to improve heat insulation and sound insulation performance. This material is usually composed of two layers of foam with different densities or characteristics. The outer layer may have higher strength and compressive resistance, while the inner layer focuses on enhancing heat insulation and sound insulation effects. Reasonable selection and application of double-layer foam can significantly improve the working and living environment of crew members.

[0003] How to ensure the stable connection between the double-layer foam and the hull has become an important issue. This process not only needs to consider the characteristics of the materials, but also needs to comprehensively consider various factors in design and construction to ensure that the foam material can effectively play its heat insulation and sound insulation functions in the long term. Summary of the Invention

[0004] Aiming at the above deficiencies existing in the prior art, the technical problem to be solved by the present invention is: to propose a connection structure and a usage method for a split insulation module of an LNG ship's containment system. By pressing the first pressing plate against the first layer of foam, the second pressing plate against the inner wall of the groove on the second layer of foam, and the third pressing plate against one side of the second layer of foam, the double-layer foam is finally fixed on the hull.

[0005] The technical solution adopted by the present invention to solve its technical problems is a connection structure for a split insulation module of an LNG ship's containment system, which is used to sequentially connect the first layer of foam and the second layer of foam to the hull. There is a groove on the second layer of foam. The multi-functional connection structure includes:

[0006] A fixing seat, which is fixedly arranged on the hull;

[0007] A connecting rod, one end of which is connected to the fixing seat;

[0008] A first pressing plate, which is connected to the connecting rod and presses against the first layer of foam to fix the first layer of foam;

[0009] A pressing component, which is arranged at the end of the connecting rod far from the fixing seat. The pressing component has a second pressing plate and a support plate. The second pressing plate is sleeved on the connecting rod and presses against the inner wall of the groove on the second layer of foam. The support plate is connected to the second pressing plate, and the distance between the support plate and the second pressing plate is less than the depth of the groove;

[0010] The third pressing plate is connected to the support plate, and one side of the third pressing plate abuts against the second-layer foam for fixing the second-layer foam.

[0011] In the above connection structure for the split insulation module of the LNG ship containment system, the pressing assembly further includes:

[0012] A spacer block is arranged between the second pressing plate and the support plate;

[0013] A first connecting piece, one end of the first connecting piece sequentially passes through the support plate and the spacer block and is threadedly connected to the second pressing plate for connecting the support plate, the spacer block and the second pressing plate.

[0014] In the above connection structure for the split insulation module of the LNG ship containment system, a second connecting piece is further arranged on the support plate. One end of the second connecting piece is threadedly connected to the support plate, and the other end is connected to the third pressing plate. The second connecting piece is used for connecting the support plate and the third pressing plate.

[0015] In the above connection structure for the split insulation module of the LNG ship containment system, a first locking piece is threadedly connected to the end of the second connecting piece away from the support plate. The first locking piece is used to prevent the second connection from loosening relative to the third pressing plate.

[0016] In the above connection structure for the split insulation module of the LNG ship containment system, a fastening nut is arranged on the first pressing plate. The fastening nut is used for connecting the first pressing plate and the connecting rod.

[0017] In the above connection structure for the split insulation module of the LNG ship containment system, a through hole is arranged on the second pressing plate. The second pressing plate is sleeved on the connecting rod through the through hole.

[0018] In the above connection structure for the split insulation module of the LNG ship containment system, a cavity and a receiving hole are arranged in the spacer block. The receiving hole communicates with the cavity. The end of the connecting rod away from the fixed seat passes through the through hole and the cavity and is inserted into the receiving hole.

[0019] In the above connection structure for the split insulation module of the LNG ship containment system, the fixing assembly includes:

[0020] A second locking piece is threadedly connected to the connecting rod, and one end of the second abutting piece is inserted into the through hole;

[0021] An elastic member is sleeved on the second locking member. One end of the elastic member abuts against one side of the second locking member, and the other end abuts against the second pressing plate, so as to leave an elastic displacement margin for the second pressing plate to move along the length direction of the connecting rod.

[0022] In the above-mentioned connection structure for the split insulation module of the LNG ship containment system, a baffle is further arranged on the connecting rod. One side of the baffle abuts against the inner wall of the cavity, and the other side abuts against the second locking member, so as to prevent the second locking member from loosening relative to the connecting rod.

[0023] The present invention also proposes a method for the connection structure of the split insulation module of the LNG ship containment system, including:

[0024] Step 1: Fix the fixed seat so that the fixed seat is installed on the hull;

[0025] Step 2: Adjust the position of the first pressing plate connected to the connecting rod so that the first pressing plate abuts against the first layer of foam;

[0026] Step 3: Adjust the position of the second locking cap connected to the connecting rod so that the second pressing plate abuts against the inner wall of the groove on the second layer of foam;

[0027] Step 4: The third pressing plate is fixed on the support plate through the second connecting member, and the third pressing plate abuts against one side of the second layer of foam.

[0028] Compared with the prior art, the present invention has the following beneficial effects:

[0029] (1) The first pressing plate abuts against the first layer of foam to fix the first layer of foam; the second pressing plate abuts against the inner wall of the groove, and the third pressing plate abuts against one side of the second layer of foam. The second pressing plate and the third pressing plate jointly fix the second layer of foam. In this way, the multi-functional connection structure can not only effectively fix the two layers of foam on the hull, but also ensure the stability and durability of the overall structure;

[0030] (2) The first pressing plate is sleeved on the connecting rod and fixed through the fastening nut. The design of the fastening nut allows adjusting the position of the first pressing plate on the connecting rod as needed to adapt to different thicknesses of the first layer of foam. This design not only improves the flexibility of fixing the first layer of foam, but also ensures its stability and reliability during use;

[0031] (3) The adjusting component provides an elastic displacement margin for the second pressing plate in the length direction of the connecting rod. The second baffle can move within the elastic displacement margin. Since the second pressing plate and the support plate are connected by a first connecting piece, and the support plate and the third pressing plate are connected by a second connecting piece, the movement of the second pressing plate will drive the third pressing plate to move synchronously. When the thickness of the second-layer foam changes due to factors such as pressure or temperature, the adjusting component causes the second pressing plate to move in the length direction on the connecting rod, and the third pressing plate moves synchronously with the second pressing plate, so that the second pressing plate and the inner wall of the groove on the second-layer foam, and the third pressing plate and one side of the second-layer foam always remain in a tightly pressed state, ensuring the connection stability of the second-layer foam. Brief Description of the Drawings

[0032] Figure 1 is a schematic structural diagram of the present solution;

[0033] Figure 2 is Figure 1 a partial structural diagram in

[0034] In the figure, 1, fixed seat; 2, connecting rod; 3, first pressing plate; 4, second pressing plate; 5, support plate; 6, third pressing plate; 7, spacer; 8, first connecting piece; 9, second connecting piece; 10, first locking piece; 11, gasket; 12, fastening nut; 13, cavity; 14, accommodating hole; 15, second locking piece; 16, elastic member; 17, baffle. Detailed Description of the Invention

[0035] The following are specific embodiments of the present invention and in combination with the drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

[0036] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the drawings). If the specific posture changes, the directional indications will also change accordingly.

[0037] As Figure 1 shown, in the present solution, a connection structure and method for a split insulation module of an LNG ship containment system used to sequentially connect double-layer foam to a ship hull are mainly described in detail. However, this connection structure is not limited to being applied to the ship hull structure, and can also be applied to other places using double-layer foam, such as the interior decoration and sound insulation layer of vehicles such as cars and trains.

[0038] As Figures 1 to 2As shown in the figure, in this solution, a connection structure for a split insulation module of an LNG ship's containment system is used to sequentially connect the first layer of foam and the second layer of foam to the hull. There is a groove on the second layer of foam. The multi-functional connection structure includes: a fixed seat 1, which is fixedly arranged on the hull; a connecting rod 2, one end of which is connected to the fixed seat 1; a first pressing plate 3, which is connected to the connecting rod 2 and abuts against the first layer of foam for fixing the first layer of foam; a pressing assembly, which is arranged at the end of the connecting rod 2 away from the fixed seat 1. The pressing assembly has a second pressing plate 4 and a support plate 5. The second pressing plate 4 is sleeved on the connecting rod 2 and abuts against the inner wall of the groove on the second layer of foam. The support plate 5 is connected to the second pressing plate 4, and the distance between the support plate 5 and the second pressing plate 4 is less than the depth of the groove; a third pressing plate 6, which is connected to the support plate 5 and abuts against the second layer of foam for fixing the second layer of foam.

[0039] In practical applications, the fixed seat 1 is firmly installed on the hull by welding, which ensures the stability and reliability of the entire connection structure. In addition, it is possible to choose to embed a mounting nut in the fixed seat 1 so that one end of the connecting rod 2 can be tightly fitted with the fixed seat 1 by means of threaded connection. If higher strength or specific application scenarios are required, the connecting rod 2 can also be directly fixed to the fixed seat 1 by welding; one end of the connecting rod 2 is connected to the fixed seat 1 by means of thread or welding, and the other end extends between the first layer of foam and the second layer of foam. The first pressing plate 3 is connected to the connecting rod 2 and is in close contact with the first layer of foam, thereby ensuring that the first layer of foam is firmly fixed on the hull; the second pressing plate 4 is sleeved on the connecting rod 2 and is in close contact with the inner wall of the groove on the second layer of foam. The third pressing plate 6 is connected to the second pressing plate 4 through the support plate 5 and is in close contact with one side of the second layer of foam. In this way, the second pressing plate 4 and the third pressing plate 6 jointly act to fix the second layer of foam and ensure its firmness; through the setting of the first pressing plate 3, the second pressing plate 4 and the third pressing plate 6, the multi-functional connection structure can not only effectively fix the two layers of foam on the hull, but also ensure the stability and durability of the overall structure.

[0040] Furthermore, the pressing assembly further includes a cushion block 7 and a first connecting member 8. The cushion block 7 is arranged between the second pressing plate 4 and the support plate 5 to provide additional support and buffering to ensure a more stable and smooth connection between the second pressing plate 4 and the support plate 5; a through first threaded hole is provided on the support plate 5, a second threaded hole is provided on the cushion block 7, and a third threaded hole is provided on the second pressing plate 4. One end of the first connecting member 8 sequentially passes through the first threaded hole on the support plate 5, then passes through the second threaded hole on the cushion block 7, and finally is threadedly connected to the third threaded hole on the second pressing plate 4. In this way, the first connecting member 8 firmly connects the support plate 5, the cushion block 7 and the second pressing plate 4 together to ensure the stability of the entire pressing assembly.

[0041] Furthermore, a second connecting member 9 is also provided on the support plate 5. One end of the second connecting member 9 is threadedly connected to the support plate 5, and the other end is connected to the third pressing plate 6. The second connecting member 9 is used for connecting the support plate 5 and the third pressing plate 6.

[0042] Furthermore, a first locking member 10 is threadedly connected to the end of the second connecting member 9 away from the support plate 5. The first locking member 10 is used to prevent the second connecting member 9 from loosening relative to the third pressing plate 6.

[0043] One end of the second connecting member 9 is threadedly connected to the support plate 5, the other end is connected to the third pressing plate 6 and fixed by the first locking member 10. The second connecting member 9 is preferably a flange bolt. This type of bolt has a larger contact area, which can provide better fixing effect and anti-loosening performance. The first locking member 10 is preferably a nut, which is threadedly connected to the second connecting member 9 to provide additional fixing force to prevent the second connecting member 9 from loosening due to vibration or other reasons during long-term use. A gasket 11 is also provided between the first locking member 10 and the third pressing plate 6. The gasket 11 prevents the first locking member 10 from loosening relative to the third pressing plate 6 due to vibration or other external forces during use by increasing the friction force, ensuring the stability of the connection, and at the same time protecting the surface of the third pressing plate 6 from damage and extending its service life.

[0044] Furthermore, a fastening nut 12 is provided on the first pressing plate 3. The first pressing plate 3 is sleeved on the connecting rod 2 and fixed by the fastening nut 12. The design of the fastening nut 12 allows the position of the first pressing plate 3 on the connecting rod 2 to be adjusted as needed to adapt to different thicknesses of the first layer of foam. When fixing the first layer of foam, loosen the fastening nut 12 so that the first pressing plate 3 can move freely on the connecting rod 2. According to the thickness of the first layer of foam, adjust the position of the first pressing plate 3 on the connecting rod 2 until it can be in close contact with the first layer of foam at an appropriate position. After ensuring that the first pressing plate 3 is in close contact with the first layer of foam and provides stable fixation, tighten the fastening nut 12 to firmly connect it to the connecting rod 2 to complete the fastening work of the first pressing plate 3. This design not only improves the flexibility of fixing the first layer of foam but also ensures its stability and reliability during use.

[0045] Furthermore, a through hole is provided on the second pressing plate 4. The second pressing plate 4 is sleeved on the connecting rod 2 through the through hole. The diameter of the through hole of the second pressing plate 4 is larger than the diameter of the connecting rod 2 so that the second pressing plate 4 can be smoothly sleeved on the connecting rod 2 and allows its position to be adjusted as needed.

[0046] Further, a cavity 13 and a receiving hole 14 are provided in the spacer 7. The receiving hole 14 communicates with the cavity 13. One end of the connecting rod 2 away from the fixed seat 1 passes through the through hole and the cavity 13 and is inserted into the receiving hole 14; the cavity 13 is located inside the spacer 7, and the receiving hole 14 communicates with the cavity 13 and is used to accommodate the end of the connecting rod 2. This design ensures that the connecting rod 2 will not interfere with the spacer 7 during operation, avoiding unnecessary friction and wear. The diameter of the receiving hole 14 is larger than the diameter of the connecting rod 2 to ensure that the connecting rod 2 can be smoothly inserted and remain stable. The diameter of the through hole of the second pressing plate 4 is larger than the diameter of the connecting rod 2 so that the second pressing plate 4 can be smoothly sleeved on the connecting rod 2 and allows its position to be adjusted as needed.

[0047] Further, the fixing assembly further includes: a second locking member 15, which is threadedly connected to the connecting rod 2 and inserted into the through hole; an elastic member 16, which is sleeved on the second locking member 15. One end of the elastic member 16 abuts against the second locking member 15, and the other end abuts against the second pressing plate 4, and is used to leave an elastic displacement margin for the second pressing plate 4 to move along the length direction of the connecting rod 2, ensuring that the second pressing plate 4 can be flexibly adjusted according to the thickness change of the second layer of foam. The elastic member 16 is preferably a spring.

[0048] The diameter of the through hole of the second pressing plate 4 is larger than the diameter of the connecting rod 2 so that the second pressing plate 4 can be smoothly sleeved on the connecting rod 2. The second pressing plate 4 is sleeved on the connecting rod 2 through the through hole and fixed by the second locking member 15. By loosening the threaded connection between the second locking member 15 and the connecting rod 2, the position of the second pressing plate 4 sleeved on the connecting rod 2 can be adjusted to adapt to the initial thickness dimension of the second layer of foam; in the initial state, one side of the second pressing plate 4 is in close contact with the inner wall of the groove, and the other side is in close contact with the elastic member 16. One end of the elastic member 16 abuts against the second pressing plate 4, and the other end abuts against one side of the second locking member 15 and remains in a compressed state to provide the necessary elastic displacement margin; when the thickness of the second layer of foam shrinks due to external pressure and other factors, the pressure of the inner wall of the groove on the second pressing plate 4 decreases accordingly. At this time, due to the elastic characteristics of the elastic member 16, it will exert a reverse force to push the second pressing plate 4 to move towards the direction close to the fixed seat 1 to compensate for the gap caused by the reduction of the thickness of the second foam and ensure the stability of the fixation of the second layer of foam; on the contrary, if the second layer of foam expands due to rising external temperature or other factors, the acting force of the inner wall of the groove on the second pressing plate 4 will increase, which will force the elastic member 16 to be further compressed and at the same time cause the second pressing plate 4 to move along the direction away from the fixed seat 1 to adapt to the increased foam thickness.

[0049] When the second pressing plate 4 moves towards or away from the fixed seat 1, the second pressing plate 4 moves along the second locking member 15 on the connecting rod 2 through the through hole. In addition, since the second pressing plate 4 and the support plate 5 are connected by the first connecting member 8, and the support plate 5 and the third pressing plate 6 are connected by the second connecting member 9, when the thickness of the second layer of foam changes due to pressure, temperature or other factors, the movement of the second pressing plate 4 will drive the third pressing plate 6 to move synchronously, so that the second pressing plate 4 and the inner wall of the groove on the second layer of foam, and the third pressing plate 6 and one side of the second layer of foam always remain in a tightly pressed state.

[0050] To prevent the second locking member 15 from loosening relative to the connecting rod 2, a baffle 17 is also provided on the connecting rod 2. One side of the baffle 17 is in tight contact with the inner wall of the cavity 13 to ensure the stability of the baffle 17 in the cavity 13, and the other side is in tight contact with the second locking member 15 to provide an additional fixing force to prevent the second locking member 15 from loosening. Through the above design, the baffle 17 can effectively prevent the second locking member 15 from loosening relative to the connecting rod 2, ensuring the stability and reliability of the entire adjusting assembly.

[0051] The present invention also provides a method for a multi-functional connection structure of an LNG ship containment system, including: Step 1: Fix the fixed seat 1 so that the fixed seat 1 is installed on the hull; Step 2: Adjust the position of the first pressing plate 3 connected to the connecting rod 2 so that the first pressing plate 3 is in tight contact with the first layer of foam; Step 3: Adjust the position of the second locking cap connected to the connecting rod 2 so that the second pressing plate 4 is in tight contact with the inner wall of the groove on the second layer of foam; Step 4: The third pressing plate 6 is fixed to the support plate 5 through the second connecting member 9, and the third pressing plate 6 is in tight contact with one side of the second layer of foam.

[0052] It should be noted that in the present invention, descriptions such as "first", "second", "one", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically defined. Terms such as "connection" and "fixation" should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0053] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0054] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art to which the present invention pertains can make various modifications or supplements to the described specific embodiments or use similar means for substitution, but will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A connection structure for a split insulation module of an LNG ship containment system, used to sequentially connect a first layer of foam and a second layer of foam to a hull, wherein a groove is provided on the second layer of foam, characterized in that: The multifunctional connection structure comprises: A fixing seat, which is fixed on the hull; A connecting rod, one end of which is connected to the fixing seat; A first pressing plate, connected to the connecting rod and pressed against the first layer of foam, for fixing the first layer of foam; A clamping assembly, which is arranged at one end of the connecting rod away from the fixing seat, and the clamping assembly comprises a second pressing plate and a supporting plate, the second pressing plate is sleeved on the connecting rod and pressed against the inner wall of the groove on the second layer of foam, the supporting plate is connected to the second pressing plate, and the distance between the supporting plate and the second pressing plate is less than the depth of the groove; A third pressing plate is connected to the supporting plate, and the third pressing plate is pressed against one side of the second layer of foam to fix the second layer of foam.

2. A connection structure for a split insulation module of an LNG ship containment system as claimed in claim 1, characterized in that: The clamping assembly also includes: a cushion block, which is arranged between the second pressing plate and the supporting plate; A first connecting member, one end of which passes through the support plate and the cushion block in sequence and is threadedly connected to the second pressing plate, so as to connect the support plate, the cushion block and the second pressing plate.

3. The connection structure for the split insulation module of the LNG ship containment system according to claim 1, characterized in that: The support plate is also provided with a second connecting member, one end of which is threadedly connected to the support plate, and the other end of which is connected to the third pressing plate. The second connecting member is used for connecting the support plate and the third pressing plate.

4. A connection structure for split insulation modules of LNG ship containment system as claimed in claim 3, characterized in that: A first locking member is threadedly connected to one end of the second connection member away from the support plate, and the first locking member is used to prevent the second connection from loosening relative to the third pressing plate.

5. The connection structure for the split insulation module of the LNG ship containment system according to claim 1, characterized in that: The first pressing plate is provided with a fastening nut, and the fastening nut is used for connecting the first pressing plate with the connecting rod.

6. A connection structure for a split insulation module of an LNG ship containment system as claimed in claim 2, characterized in that: The second pressing plate is provided with a through hole, and the second pressing plate is sleeved on the connecting rod through the through hole.

7. A connection structure for split insulation modules of a LNG ship containment system as claimed in claim 6, characterized in that: A cavity and a receiving hole are provided in the cushion block, the receiving hole is communicated with the cavity, and one end of the connecting rod away from the fixing seat passes through the through hole and the cavity and is inserted into the receiving hole.

8. A connection structure for split insulation modules of a containment system of an LNG ship as claimed in claim 6, characterized in that: The fixing assembly comprises: A second locking member, which is threadedly connected to the connecting rod, and one end of the second abutting member is inserted into the through hole; An elastic member is sleeved on the second locking member, one end of the elastic member is pressed against one side of the second locking member, and the other end is pressed against the second pressure plate, so as to leave an elastic displacement margin for the second pressure plate to move along the length direction of the connecting rod.

9. A connection structure for split insulation modules of a LNG ship containment system as claimed in claim 7, characterized in that: The connecting rod is also provided with a baffle, one side of which is pressed against the inner wall of the cavity, and the other side of which is pressed against the second locking member, so as to prevent the second locking member from loosening relative to the connecting rod.

10. A method for connecting a split insulation module of an LNG ship containment system, characterized in that: include: Step 1: Fix the fixing base so that it is installed on the hull; Step 2: Adjust the position of the first pressing plate connected to the connecting rod so that the first pressing plate is pressed tightly against the first layer of foam; Step 3: Adjust the position of the second locking cap connected to the connecting rod so that the second pressing plate is pressed tightly against the inner wall of the groove on the second layer of foam; Step 4: The third pressing plate is fixed to the supporting plate through the second connecting piece, and the third pressing plate is pressed against one side of the second layer of foam.

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