Cabin section structure capable of verifying deformation coordination capability of typical sea communication pipeline system

Abstract

The invention discloses a cabin section structure capable of verifying the deformation coordination capability of a typical sea communication pipeline system. The cabin section structure comprises a pressure-resistant ship body shell plate, pressure-resistant ship body ribs, an end-thickened pressure-resistant shell ring, oversized ribs, a platform structure and a simulated internal liquid cabin structure, wherein the sizes of the pressure-resistant ship body shell plate and the pressure-resistant ship body ribs are the same as the structural parameters of a real ship; the end-thickened pressure-resistant shell rings are arranged at the two ends of the pressure-resistant hull shell plate. The super-large ribs are arranged at the two ends of the cabin section structure, and the distance between the super-large ribs is equal to the distance between two cabin walls of the underwater vehicle; the platform structure is installed near the horizontal center line of the port and the starboard of the pressure-resistant hull shell plate. The simulated internal liquid tank structure comprises front and rear transverse wall plates of an internal liquid tank; the pressure-resistant hull side valve mounting piece is arranged on the pressure-resistant hull shell plate; the internal liquid tank transverse bulkhead pipeline mounting piece is arranged on a transverse wall plate for simulating the internal liquid tank structure; and the bulkhead pipeline mounting piece is arranged on a web plate of the oversized rib. According to the invention, the most direct basis can be provided for verifying the deformation compensation capability of the displacement compensation device of the typical sea pipeline system under the limit depth.

Description

Technical Field

[0001] The invention relates to the technical field of hull structures, and in particular to a compartment structure for verifying the effectiveness of deformation coordination measures of a typical sea-going pipeline system. Background Art

[0002] The sea-access system is an essential and important part of the underwater vehicle and is a system used by the underwater vehicle at full depth. Among them, the main drain system is the sea-access system with the most complex, widest distribution and largest pipe diameter on the boat, and the cooling system is the sea-access system with the most working conditions and the most users on the boat. The normal operation of the sea-access system is the necessary basis for the safety of the underwater vehicle. If the pressure-resistant hull is deformed under deep water pressure and the sea-access pipeline is damaged, it will seriously affect the deep diving safety of the underwater vehicle. The sea-access system takes into account the layout of the actual ship. All typical deformation parts in the pipeline of the actual ship system mainly include: pipelines between the two bulkheads, side valves and subsequent pipe sections, equipment and raft and pipeline connection positions, and embedded pipes in the internal liquid tanks. When the underwater vehicle dives into deep water, the hull structure will shrink and deform under pressure, and the two ends of the fixed pipeline will form relative displacement. This relative displacement may cause pipeline deformation, sealing damage, and even pipeline rupture, affecting the safety of the sea-access pipeline system, thereby affecting the safety of the underwater vehicle. At the same time, the non-uniform deformation of the hull structure is relatively complex. Therefore, it is necessary to comprehensively verify the deformation coordination ability of the seagoing pipeline system under the real deformation conditions of the real load of the real-scale compartment structure, verify the rationality of setting up the displacement compensation device in the pipeline system, and verify the deformation compensation ability of the displacement compensation device at the extreme depth.

[0003] In addition, with the development of test support conditions, the large-scale external pressure test equipment was delivered and put into use as planned, providing the conditions for conducting external pressure tests on full-scale compartment models of underwater vehicles.

[0004] In view of this, the present invention proposes a compartment structure that can be used to verify the effectiveness of deformation coordination measures of a typical seagoing pipeline system. By carrying out verification tests on this structure, it is possible to verify the rationality of setting up a displacement compensation device for the pipeline system and the deformation compensation capacity of the displacement compensation device at extreme depth under real deformation conditions of real loads of a real-scale compartment structure. Summary of the invention

[0005] The main purpose of the present invention is to provide a compartment structure that can be used to verify the deformation coordination capability of a typical sea-going pipeline system. The compartment structure meets the requirements for testing in a large-scale external pressure test device, and can assess the deformation compensation capability of the displacement compensation device of the sea-going pipeline system at extreme depths under the real deformation conditions of the real load of the real-scale compartment structure.

[0006] The technical solution adopted by the present invention is: A cabin section structure for verifying the deformation coordination capability of a typical seagoing pipeline system comprises a pressure hull shell and a pressure hull rib, wherein the dimensions of the pressure hull shell and the pressure hull rib are the same as the structural parameters of an actual ship; the cabin section structure further comprises an end thickened pressure shell ring, an oversized rib, a platform structure, a simulated internal liquid tank structure, a pressure hull side valve mounting part, an internal liquid tank transverse bulkhead pipeline mounting part and a bulkhead pipeline mounting part; the end thickened pressure shell ring is arranged at both ends of the pressure hull shell; the oversized rib is arranged at both ends of the cabin section structure, and two oversized ribs are arranged at both ends of the pressure hull shell. The distance between the pressure hull and the pressure vessel is the same as the distance between the two bulkheads of the underwater vehicle; the platform structure is installed near the horizontal centerline of the left and right sides of the pressure hull shell, and the platform structure is used to install system equipment; the simulated internal liquid tank structure is arranged at the bottom of the cabin, including the front and rear transverse wall plates of the internal liquid tank, and the thickness and height of the transverse wall plates are consistent with those of the actual ship; the pressure hull side valve mounting piece is arranged on the pressure hull shell; the internal liquid tank transverse bulkhead pipeline mounting piece is arranged on the transverse wall plate of the simulated internal liquid tank structure; the bulkhead pipeline mounting piece is arranged on the web of the super-large rib.

[0007] In the above solution, the pressure hull plate is a cylindrical shell structure.

[0008] In the above scheme, the thickness of the end thickened pressure shell ring is 1.5-2 times the thickness of the pressure hull shell plate; the length of the end thickened pressure shell ring is not less than 1 times the rib spacing.

[0009] In the above scheme, the moment of inertia of the super-large rib is greater than 40 times the moment of inertia of the pressure hull rib.

[0010] In the above solution, a plurality of anti-tilt brackets are arranged around the super-large rib.

[0011] In the above solution, the super-large ribs are installed on the end thickened pressure-resistant shell ring.

[0012] In the above scheme, the distance between the front and rear transverse wall plates of the simulated internal liquid tank structure is equal to the distance between the front and rear bulkhead plates of a typical internal liquid tank in an actual ship.

[0013] In the above scheme, the front and rear transverse wall plates simulating the internal liquid tank structure are both provided with brackets for reinforcement.

[0014] In the above scheme, the platform structure includes a platform frame and a platform base, the panel and bracket of the platform base are firmly welded to the pressure hull ribs, and the platform frame and the platform base are connected by bolts.

[0015] In the above scheme, the pressure hull side valve mounting parts, the internal liquid tank transverse bulkhead pipeline mounting parts and the bulkhead pipeline mounting parts are respectively used for connecting pipelines of the sea-going system, and the specific position of each mounting part is determined according to the layout of the sea-going pipeline system.

[0016] The beneficial effects produced by the present invention are: The cabin section structure of the present invention has the same dimensions as the actual ship structure parameters as the pressure hull shell and the pressure hull ribs, which can ensure the simulation of the real deformation of the underwater vehicle; the thickened pressure shell rings at both ends of the pressure hull shell can avoid the high stress concentration generated when the test heads are welded at both ends; the subdivision of the internal bulkhead is simulated by two super-large ribs, which can greatly simplify the bulkhead structure, thereby reducing the construction workload. The cabin section structure of the present invention adopts the actual structural parameters of the actual ship, and can accurately produce real deformation when a large external pressure test device is used to simulate the actual load of the actual ship. The deformation compensation measures of the pipeline with one end connected to the equipment and the other end fixed on the pressure hull shell are verified by setting the platform structure; the deformation compensation measures of the side valve and the subsequent pipe section are verified by setting the pressure hull side valve installation piece; the deformation compensation measures of the internal liquid tank embedded pipe are verified by setting the internal liquid tank transverse bulkhead pipeline installation piece; the deformation compensation measures of the pipeline between the two bulkheads are verified by setting the bulkhead pipeline installation piece. Therefore, the present invention can provide the most direct basis for verifying the deformation compensation capability of the displacement compensation device of a typical sea-going pipeline system at an extreme depth. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 is a schematic plan view of a cabin structure of a full-scale underwater vehicle in an embodiment of the present invention; Figure 2 yes Figure 1 A longitudinal section of the compartment structure shown; Figure 3 yes Figure 1 A cross-sectional view of the platform structure area showing the compartment structure; Figure 4 yes Figure 1 A cross-sectional view of the super-large rib of the cabin structure is shown.

[0019] In the figure: 1. Thickened pressure shell ring at the end; 2. Extra-large ribs; 3. Anti-tilt brackets; 4. Pressure hull ribs; 5. Pressure hull shell plates; 6. Platform structure; 7. Simulated internal liquid tank structure; 8. Pressure hull side valve mounting parts; 9. Internal liquid tank transverse bulkhead pipeline mounting parts; 10. Bulkhead pipeline mounting parts. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0021] It should be noted that the illustrations provided in the embodiments of the present invention are only used to illustrate the basic concept of the present invention in a schematic manner. Therefore, the drawings only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout type may also be more complicated.

[0022] In the present invention, it is also necessary to explain that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, if the terms "first" and "second" appear, they are only used for description and distinction purposes, and cannot be understood as indicating or implying relative importance.

[0023] like Figure 1-4As shown, a cabin structure for verifying the deformation coordination capability of a typical sea-going pipeline system provided by an embodiment of the present invention includes a pressure hull shell plate 5 and a pressure hull rib 4. The dimensions of the pressure hull shell plate 5 and the pressure hull rib 4 are the same as the structural parameters of the actual ship. The same structural parameters as the actual ship can ensure the simulation of the real deformation of the underwater vehicle. The cabin structure also includes an end thickened pressure shell ring 1, an extra-large rib 2, a platform structure 6, a simulated internal tank structure 7, a pressure hull side valve mounting part 8, an internal tank transverse bulkhead pipeline mounting part 9 and a bulkhead pipeline mounting part 10. Among them, the end thickened pressure shell ring 1 is arranged at both ends of the pressure hull shell plate 5. The thickened pressure shell rings at both ends can avoid high stress concentration when the test heads are welded at both ends. The extra-large rib 2 is arranged at both ends of the cabin structure. The distance between the two extra-large ribs 2 is the same as the distance between the two bulkheads of the underwater vehicle. The extra-large rib 2 simulates the subdivision effect of the internal bulkhead. Since the bulkhead structure is too complicated and the construction workload is large, the present invention uses super-large ribs 2 to greatly simplify the bulkhead structure, thereby reducing the construction workload. The platform structure 6 is installed near the horizontal center line of the port and starboard sides of the pressure hull 5. The platform structure 6 is used to install system equipment. This is used to verify the deformation compensation measures of the pipeline with one end connected to the equipment and the other end fixed on the pressure hull 5. The simulated internal liquid tank structure 7 is arranged at the bottom of the cabin, and only the front and rear transverse wall plates of the internal liquid tank are retained. The thickness and height of the transverse wall plates are consistent with the actual ship. The pressure hull side valve mounting part 8 is arranged on the pressure hull 5 for connecting the pipeline to the sea-going system. The positions of the side valve mounting parts of the inlet and outlet of the sea-going pipeline are distributed according to the requirements of the sea-going system to verify the deformation compensation measures of the side valve and subsequent pipe sections. The internal tank transverse bulkhead pipe installation part 9 is arranged on the transverse wall plate simulating the internal tank structure 7, for the sea-connected system to connect the pipes. The specific position of the internal tank transverse bulkhead pipe installation part 9 is determined according to the layout of the sea-connected pipe system to verify the deformation compensation measures of the internal tank pre-buried pipes. The bulkhead pipe installation part 10 is arranged on the web of the super-large rib 2, for the sea-connected system to connect the pipes. The specific position of the bulkhead pipe installation part 10 is determined according to the layout of the sea-connected pipe system. The pipe is installed between the two super-large ribs 2 to verify the deformation compensation measures of the pipes between the two bulkheads.

[0024] The cabin section structure of the present invention installs a typical seagoing pipeline system in the cabin according to the actual ship installation method, which can comprehensively verify the deformation coordination ability of the typical seagoing pipeline system, verify the rationality of setting the displacement compensation device of the pipeline system, and the deformation compensation ability of the displacement compensation device at the extreme depth.

[0025] In one embodiment of the present invention, the pressure hull plate 5 is a cylindrical shell structure.

[0026] In one embodiment of the present invention, the thickness of the end thickened pressure shell ring 1 is 1.5-2 times the thickness of the pressure hull plate 5; the length of the end thickened pressure shell ring 1 is not less than 1 times the rib spacing.

[0027] In one embodiment of the present invention, the moment of inertia of the super-large rib 2 is greater than 40 times the moment of inertia of the pressure hull rib 4.

[0028] In one embodiment of the present invention, in order to ensure that the super-large rib 2 does not tilt, a plurality of anti-tilt brackets 3 are arranged around the super-large rib 2 .

[0029] In one embodiment of the present invention, the super-large ribs 2 are installed on the end thickened pressure shell ring 1.

[0030] In one embodiment of the present invention, the distance between the front and rear transverse wall plates of the simulated internal liquid tank structure 7 is equal to the distance between the front and rear bulkhead plates of a typical internal liquid tank in an actual ship.

[0031] In one embodiment of the present invention, the front and rear transverse wall plates simulating the internal liquid tank structure 7 are both provided with brackets for reinforcement.

[0032] In one embodiment of the present invention, the platform structure 6 includes a platform frame and a platform base, the panel and bracket of the platform base are firmly welded to the pressure hull rib 4, and the platform frame and the platform base are connected by bolts. The specific connection design is the same as the internal platform of the underwater vehicle, which can reduce the influence of the radial compression of the pressure hull shell 5 on the platform.

[0033] In one embodiment of the present invention, the pressure hull plate 5, the pressure hull rib 4, the end thickened pressure hull ring 1 and the super-large rib 2 are all made of high-strength steel used in the pressure hull of underwater vehicles, and are fixedly connected to each other by welding. The design is based on the actual ship structure size and the same materials to ensure the consistency of the model with the actual ship, ensuring that the deformation of the pressure hull under the actual deep water pressure condition can be most realistically simulated.

[0034] It should be noted that the feasibility of testing the full-scale cabin structure in a large-scale external pressure test device must be fully considered. An appropriate distance must be left between the periphery and the wall of the test device to ensure the installation of the transport track and trolley at the bottom of the external pressure test device, to ensure the limitation of the test device in the length direction, etc., to ensure the feasibility of the model test.

[0035] It should be pointed out that, according to the needs of implementation, the various steps / components described in this application can be split into more steps / components, and two or more steps / components or partial operations of steps / components can be combined into new steps / components to achieve the purpose of the present invention.

[0036] The order of execution of each step in the above embodiment does not mean the order of execution. The order of execution of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiment of the present application.

[0037] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the appended claims of the present invention.

Claims

1. A compartment structure for verifying the deformation coordination capability of a typical seagoing pipeline system, comprising a pressure hull plate and a pressure hull rib, characterized in that: The dimensions of the pressure hull shell and the pressure hull ribs are the same as the actual ship structure parameters; the cabin section structure also includes end thickened pressure shell rings, super-large ribs, a platform structure, a simulated internal liquid tank structure, a pressure hull side valve mounting part, an internal liquid tank transverse bulkhead pipeline mounting part and a bulkhead pipeline mounting part; the end thickened pressure shell ring is arranged at both ends of the pressure hull shell; the super-large ribs are arranged at both ends of the cabin section structure, and the distance between the two super-large ribs is the same as the distance between the two bulkheads of the underwater vehicle; The platform structure is installed near the horizontal center line of the left and right sides of the pressure hull shell, and the platform structure is used to install system equipment; the simulated internal liquid tank structure is arranged on the bottom of the cabin, including the front and rear transverse wall plates of the internal liquid tank, and the thickness and height of the transverse wall plates are consistent with those of the actual ship; the pressure hull side valve mounting piece is arranged on the pressure hull shell; the internal liquid tank transverse bulkhead pipeline mounting piece is arranged on the transverse wall plate of the simulated internal liquid tank structure; the bulkhead pipeline mounting piece is arranged on the belly plate of the super-large rib.

2. The compartment structure for verifying the deformation coordination capability of a typical sea-going pipeline system according to claim 1 is characterized in that: The pressure hull shell is a cylindrical shell structure.

3. The compartment structure for verifying the deformation coordination capability of a typical sea-going pipeline system according to claim 1 is characterized in that: The thickness of the end thickened pressure hull ring is 1.5-2 times the thickness of the pressure hull plate; the length of the end thickened pressure hull ring is not less than 1 times the rib spacing.

4. The compartment structure for verifying the deformation coordination capability of a typical sea-going pipeline system according to claim 1 is characterized in that: The moment of inertia of the super-large rib is greater than 40 times the moment of inertia of the pressure hull rib.

5. The compartment structure for verifying the deformation coordination capability of a typical sea-going pipeline system according to claim 1 is characterized in that: A plurality of anti-tilt brackets are arranged around the super-large rib.

6. The compartment structure for verifying the deformation coordination capability of a typical sea-going pipeline system according to claim 1 is characterized in that: The extra-large ribs are mounted on the end thickened pressure-resistant shell ring.

7. The compartment structure for verifying the deformation coordination capability of a typical sea-going pipeline system according to claim 1 is characterized in that: The distance between the front and rear transverse wall plates of the simulated internal liquid tank structure is equal to the distance between the front and rear bulkhead plates of a typical internal liquid tank in an actual ship.

8. The compartment structure for verifying the deformation coordination capability of a typical sea-going pipeline system according to claim 1 is characterized in that: The front and rear transverse wall plates of the simulated internal liquid tank structure are both provided with brackets for reinforcement.

9. The compartment structure for verifying the deformation coordination capability of a typical sea-going pipeline system according to claim 1 is characterized in that: The platform structure comprises a platform frame and a platform base, the panel and bracket of the platform base are firmly welded to the pressure hull ribs, and the platform frame and the platform base are connected by bolts.

10. The compartment structure for verifying the deformation coordination capability of a typical sea-going pipeline system according to claim 1 is characterized in that: The pressure hull side valve mounting parts, the internal liquid tank transverse bulkhead pipeline mounting parts and the bulkhead pipeline mounting parts are respectively used for connecting pipelines of the sea-going system, and the specific position of each mounting part is determined according to the layout of the sea-going pipeline system.

Images