Detachable flat pressure-resistant shell

Abstract

The utility model discloses a detachable flat pressure-resistant shell which comprises a titanium alloy plate, one side of the titanium alloy plate is provided with a metal shell, the inner wall of the metal shell is fixedly connected with a hollowed-out supporting frame, one side of the hollowed-out supporting frame is fixedly connected with a supporting plate, and the supporting plate is fixedly installed on the inner wall of the metal shell. The supporting plate is connected with the titanium alloy plate, a first mounting hole is formed in the titanium alloy plate, and second mounting holes are formed in the metal shell and the supporting plate. The titanium alloy plate has the advantage of being convenient to use, and the problems that when an existing titanium alloy plate is subjected to an underwater performance test, the titanium alloy plate is inconvenient to disassemble and reuse, the use cost is increased, titanium alloy plates with different thicknesses are difficult to replace according to experiment requirements, and the flexibility in the test process is reduced are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to acoustics material performance test technical field, concretely is detachable flat plate pressure -resisting casing. BACKGROUND

[0002] Titanium alloy has excellent corrosion resistance, it can keep stable even in the environment where seawater or chemical substances exist, which makes it very suitable for acoustic testing in underwater or corrosive environment, titanium alloy has very high strength to weight ratio, which means it can withstand greater stress without deformation, and at the same time, it is relatively light in weight, which is convenient for handling and installation, titanium alloy has good acoustic characteristics, such as higher sound speed and lower sound attenuation, which makes it an ideal acoustic reflecting surface or conducting medium.

[0003] When using titanium alloy to test the performance of underwater acoustic materials, according to the test requirements, the titanium alloy panel will be fixed in the predetermined position to ensure that the panel is installed firmly and will not be displaced due to water flow or other factors, and then the acoustic material to be tested will be attached to the titanium alloy panel to ensure that the pasting or fixing method will not affect the acoustic performance of the material itself.

[0004] The existing titanium alloy plate is not convenient to disassemble and reuse when performing underwater performance test, which increases the cost of use, and it is difficult to replace titanium alloy plates of different thicknesses according to the experimental needs, which reduces the flexibility in the test process. UTILITY MODEL CONTENTS

[0005] The utility model discloses a detachable flat plate pressure -resisting casing, has the advantages of convenient to use, solves the existing titanium alloy plate when performing underwater performance test, the problem of inconvenient disassembly and reuse, increased use cost, and difficult to replace titanium alloy plate of different thickness according to the experimental needs, reduces the flexibility in the test process.

[0006] To achieve the above object, the utility model provides the following technical scheme: detachable flat plate pressure -resisting casing, including titanium alloy plate, one side of titanium alloy plate is installed metal shell, hollow support frame is fixedly connected in metal shell inner wall, one side of hollow support frame is fixedly connected with support plate, support plate is fixedly installed in the inner wall of metal shell, support plate is connected with titanium alloy plate, first installation hole is set up on titanium alloy plate, second installation hole is set up on metal shell and support plate.

[0007] As the detachable flat plate pressure -resisting casing of the utility model is preferred, one side of metal shell is fixedly connected with lifting ring and mounting piece.

[0008] As the detachable flat plate pressure -resisting casing of the utility model is preferred, the lifting ring is located on the front and back sides of the mounting piece.

[0009] The utility model discloses a detachable flat plate pressure-resistant shell which is characterized in that the mounting piece is provided with a mounting hole on one side.

[0010] The utility model discloses a detachable flat plate pressure-resistant shell which is characterized in that the number of the first mounting hole is several, and the number of the second mounting hole is several.

[0011] The utility model discloses a detachable flat plate pressure-resistant shell which is characterized in that the material of the metal shell, the supporting plate and the hollow supporting frame is steel.

[0012] Compared with the prior art, the utility model has the advantages of the following:

[0013] 1. The utility model discloses a detachable flat plate pressure-resistant shell which is characterized in that the mounting piece is provided with a mounting hole on one side. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The utility model discloses a detachable flat plate pressure-resistant shell which is characterized in that the mounting piece is provided with a mounting hole on one side. Figure 1 ;

[0015] Figure 2 The utility model discloses a detachable flat plate pressure-resistant shell which is characterized in that the mounting piece is provided with a mounting hole on one side. Figure 2 ;

[0016] Figure 3 The utility model discloses a detachable flat plate pressure-resistant shell which is characterized in that the mounting piece is provided with a mounting hole on one side.

[0017] In the figure: 1, titanium alloy plate;2, metal shell;3, first mounting hole;4, lifting ring;5, mounting piece;6, supporting plate;7, hollow supporting frame;8, second mounting hole. DETAILED DESCRIPTION

[0018] Please refer to Figures 1-3 The utility model discloses a detachable flat plate pressure-resistant shell which is characterized in that the mounting piece is provided with a mounting hole on one side.

[0019] Further, the metal shell 2 is fixedly connected with a lifting ring 4 and a mounting piece 5 on one side.

[0020] Further, the lifting ring 4 is located on the front and rear sides of the mounting piece 5.

[0021] Further, the mounting piece 5 is provided with mounting holes on one side.

[0022] Further, the number of the first mounting holes 3 is several, and the number of the second mounting holes 8 is several.

[0023] Further, the materials of the metal shell 2, the supporting plate 6 and the hollow supporting frame 7 are steel.

[0024] When the sound wave reflection and absorption test is carried out, the titanium alloy plate 1 is used as a reflection surface in an anechoic chamber or a controllable acoustic environment, and the acoustic material is installed on the surface of the titanium alloy plate 1, the sound absorption coefficient of the material is calculated by emitting a sound wave with a known characteristic and measuring the signal strength of the reflected signal, when the titanium alloy plate 1 needs to be installed, the bolt is passed through the first mounting hole 3 and the second mounting hole 8, and the nut is screwed on the bolt, so that the titanium alloy plate 1 and the metal shell 2 are installed and fixed, through this installation mode, different thicknesses of the titanium alloy plate 1 can be replaced, different thicknesses of the titanium alloy plate 1 will have different effects on the propagation of sound waves, thinner titanium alloy plates 1 are more conducive to the transmission of sound waves, while thicker titanium alloy plates 1 are more likely to reflect sound waves, and such differences are helpful to study the performance of the acoustic material under different substrate conditions.

[0025] When the underwater acoustic material performance test is carried out, the thickness of the titanium alloy plate 1 is 12mm, and the static water pressure resistance of 1.5MPa can be realized.

[0026] After the titanium alloy plate 1 and the metal shell 2 are fixed and installed together, an empty cavity is formed in the metal shell 2, and the titanium alloy plate 1 is supported, the supporting plate 6 and the hollow supporting frame 7 stably support the titanium alloy plate 1, and at the same time, the use strength of the metal shell 2 is enhanced, so that the deformation of the metal shell 2 is avoided, through the cooperation of the lifting ring 4 and the mounting piece 5, the titanium alloy plate 1 and the metal shell 2 can be easily lifted, the titanium alloy plate 1 and the metal shell 2 can be moved to the test position, and the metal shell 2 can be easily installed and fixed, so that the titanium alloy plate 1 and the metal shell 2 are prevented from being deviated during the acoustic test.

[0027] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A detachable flat pressure-resistant housing, comprising a titanium alloy plate (1), characterized in that: A metal shell (2) is installed on one side of the titanium alloy plate (1). A hollow support frame (7) is fixedly connected to the inner wall of the metal shell (2). A support plate (6) is fixedly connected to one side of the hollow support frame (7). The support plate (6) is fixedly installed on the inner wall of the metal shell (2). The support plate (6) is connected to the titanium alloy plate (1). A first mounting hole (3) is opened on the titanium alloy plate (1). A second mounting hole (8) is opened on both the metal shell (2) and the support plate (6).

2. The detachable flat pressure-resistant housing according to claim 1, characterized in that: A lifting ring (4) and a mounting component (5) are fixedly connected to one side of the metal shell (2).

3. The detachable flat pressure-resistant housing according to claim 2, characterized in that: The lifting ring (4) is located on the front and rear sides of the mounting component (5).

4. The detachable flat pressure-resistant housing according to claim 3, characterized in that: The mounting component (5) has a mounting hole on one side.

5. The detachable flat pressure-resistant housing according to claim 1, characterized in that: The number of the first mounting holes (3) is several, and the number of the second mounting holes (8) is several.

6. The detachable flat pressure-resistant housing according to claim 1, characterized in that: The metal shell (2), support plate (6) and hollow support frame (7) are all made of steel.

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