Strength inspection device for explosion-proof aluminum shell

Abstract

The utility model relates to the technical field of aluminum shell detection, in particular to an anti-explosion aluminum shell strength inspection device which comprises a main body, the surface of the main body is fixedly connected with a fixing structure and a sealing structure, the sealing structure is arranged along the outer side of the surface of the main body, and the fixing structure is located on one side of the surface of the main body. The fixing structure comprises a connecting base, a connecting frame and a hydraulic head which are fixedly connected in sequence, the hydraulic head is located on the bottom face of the connecting frame, and the middle position of the surface of the body is fixedly connected with a detection table and a protruding table which are matched. By means of the detection table and the protruding table which are arranged in a trapezoid mode, when the airtight strength of the external aluminum shell is detected, the space between the interior of the shell and the main body is effectively reduced, follow-up rapid ventilation detection is facilitated, and meanwhile rapid pressure applying detection on the shell through internal air pressure after ventilation is facilitated; and when the outer shell is reversely buckled on the detection table and the convex table, the effect of sealing the edge position of the shell is achieved through the sealing bottom layer.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum shell detection, in particular to a strength testing device for an explosion-proof aluminum shell. Background Art

[0002] The aluminum shell mainly protects the internal components. The main body of the shell is made of high-quality aluminum alloy profiles, with the characteristics of reasonable design, solid structure, and beautiful appearance. It is widely used in instruments, meters, electronics, communications, automation, sensors, smart cards, industrial control, precision machinery and other industries. It is an ideal shell for high-end instruments and meters, including explosion-proof aluminum shells.

[0003] When conducting strength tests on explosion-proof aluminum shells, a mechanical clamping structure is usually used to seal the aluminum shells, and then the strength and air tightness are tested by passing gas. The problems are:

[0004] When the mechanical clamping structure clamps the aluminum shell, the structure is complex and the cost is high. When sealing and clamping aluminum shells of different specifications, it is necessary to replace clamping components and sealing components of different specifications. The actual use convenience is poor, and the clamping sealing cannot be well guaranteed. In the ventilation detection process, it is easy to have inaccurate leakage detection. Utility Model Content

[0005] In view of the defects in the prior art, the utility model provides a strength testing device for an explosion-proof aluminum shell, which has a simple overall structure and is easy to operate. While performing strength testing on the ventilation of the aluminum shell, the detection gas is used to seal and clamp the outer side of the aluminum shell, and the device has good convenience in use and detection sealing performance.

[0006] In order to solve the above technical problems, the utility model proposes the following technical solutions:

[0007] A strength inspection device for an explosion-proof aluminum shell comprises a main body, a fixed structure and a sealing structure are fixedly connected to the surface of the main body, the sealing structure is arranged along the outer side of the surface of the main body, the fixed structure is located at one side of the surface of the main body, the fixed structure comprises a connecting base, a connecting frame and a hydraulic head which are fixedly connected in sequence, the hydraulic head is located on the bottom surface of the connecting frame, a matching detection platform and a raised platform are fixedly connected to the center of the surface of the main body, a sealing bottom layer is fixedly connected around the detection platform, a detection channel is fixedly connected to the surface of the raised platform, the sealing structure comprises an outer plate and an air cushion layer on the surface of the outer plate, a sealing layer and a sealing ball are fixedly connected to the surface of the air cushion layer, and an expansion layer is fixedly connected between the air cushion layer and the outer plate.

[0008] Furthermore, the testing platform is arranged in a trapezoidal platform as a whole, the raised platform is arranged in a trapezoidal platform and the raised platform is arranged at the top position of the testing platform, and the edge inclination angle of the raised platform is greater than the edge inclination angle of the testing platform.

[0009] Furthermore, the sealing bottom layer is arranged in a rectangular distribution around the detection platform and the main body, and the sealing bottom layer is arranged as a silicone sealing layer.

[0010] Furthermore, the connecting base and the connecting frame are arranged in an "L" shape as a whole. The connecting frame is horizontally located directly above the test bench and is arranged as a metal frame. The hydraulic heads are arranged in four groups as a whole and are distributed at the edge corners of the connecting frame.

[0011] Furthermore, the sealing structure is integrally arranged in four groups along the surface of the main body.

[0012] Furthermore, the air cushion layer is arranged in a trapezoidal shape along the inner side of the outer plate, and is arranged as a silicone air cushion layer. A ventilation pipe is arranged at the outer end of the outer plate, and the ventilation pipe is connected to the external air supply equipment at the same time. The sealing layer is arranged as a rubber pleated layer, and the sealing ball is located at the inner end corner of the air cushion layer and is arranged as a rubber ball.

[0013] Furthermore, the expansion layer is configured as a rubber corrugated layer.

[0014] It can be seen from the above technical solution that the beneficial effects of the utility model are:

[0015] The utility model uses a detection platform and a raised platform arranged in a trapezoidal shape to effectively reduce the space between the inside of the shell and the main body when the airtight strength of the external aluminum shell is tested, which is convenient for subsequent rapid ventilation testing and is also beneficial for rapid pressure testing of the shell by the internal air pressure after ventilation. When the external shell is buckled on the detection platform and the raised platform, the edge position of the shell is sealed by the sealing bottom layer, thereby enhancing the sealing performance during edge position testing.

[0016] The utility model achieves the effect of pressing down and fixing the aluminum shell from the upper position by cooperating with the hydraulic head through the connection frame located just above the detection head, thereby maintaining the stability of the aluminum shell and the ventilation and sealing performance thereof.

[0017] The utility model achieves the effect of conveying gas to the inside of the air cushion layer through the ventilation pipe on the outside of the outer plate. The air cushion layer is ventilated and expanded, and cooperates with the sealing layer and sealing balls on the surface to achieve the effect of fitting to the surface of the shell to form a seal. After the air cushion layer is ventilated and expanded, the sealing balls at the inner end corners effectively maintain the sealing of the contact position of each group of air cushion layers to avoid air leakage.

[0018] In the utility model, the outer ends of the ventilation pipes matched in each sealing structure are connected through a ventilation main pipe, the ventilation main pipe and the detection channel share an external air supply device, and the ventilation main pipe is matched with a control valve and a pressure detection mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0020] Figure 1 It is a top view of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the fixed structure connection in the utility model;

[0022] Figure 3 This is a top view of the sealing structure distribution in the utility model;

[0023] Figure 4 This is a top view of the sealing structure connection in the utility model;

[0024] Figure 5 For the utility model Figure 3 A magnified view of the structure in the middle.

[0025] Reference numerals:

[0026] 1-main body, 2-fixed structure, 3-sealing structure, 4-detection table, 5-connection base, 6-connection frame, 7-hydraulic head, 8-outer plate, 9-air cushion layer, 10-sealing layer, 11-sealing ball, 12-expansion layer, 13-sealing bottom layer, 14-raised platform, 15-detection channel. DETAILED DESCRIPTION

[0027] The following embodiments of the technical solution of the utility model are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and are therefore only used as examples, and cannot be used to limit the protection scope of the utility model.

[0028] See also Figure 1-5 As shown, a strength inspection device for an explosion-proof aluminum shell comprises a main body 1, a fixed structure 2 and a sealing structure 3 are fixedly connected to the surface of the main body 1, the sealing structure 3 is arranged along the outer side of the surface of the main body 1, the fixed structure 2 is located at one side of the surface of the main body 1, the fixed structure 2 comprises a connecting base 5, a connecting frame 6 and a hydraulic head 7 which are fixedly connected in sequence, the hydraulic head 7 is located on the bottom surface of the connecting frame 6, a matching detection table 4 and a raised platform 14 are fixedly connected to the center of the surface of the main body 1, a sealing bottom layer 13 is fixedly connected around the detection table 4, a detection channel 15 is fixedly connected to the surface of the raised platform 14, the sealing structure 3 comprises an outer plate 8 and an air cushion layer 9 on the surface of the outer plate 8, a sealing layer 10 and a sealing ball 11 are fixedly connected to the surface of the air cushion layer 9, and an expansion layer 12 is fixedly connected between the air cushion layer 9 and the outer plate 8.

[0029] The testing platform 4 is arranged in a trapezoidal platform as a whole, and the raised platform 14 is arranged in a trapezoidal platform raised at the top position of the testing platform 4, and the edge inclination angle of the raised platform 14 is greater than the edge inclination angle of the testing platform 4;

[0030] The sealing bottom layer 13 is arranged in a rectangular shape around the detection platform 4 and the main body 1, and the sealing bottom layer 13 is set as a silicone sealing layer;

[0031] By means of the trapezoidal detection platform 4 and the raised platform 14, when the air tightness strength test is carried out on the external aluminum shell, the space between the inside of the shell and the main body 1 is effectively reduced, which is convenient for the subsequent rapid ventilation test and is also beneficial for the rapid pressure test of the shell by the internal air pressure after ventilation. When the external shell is buckled on the detection platform 4 and the raised platform 14, the edge position of the shell is sealed by the sealing bottom layer 13, thereby enhancing the sealing performance during the edge position detection.

[0032] The connecting base 5 and the connecting frame 6 are arranged in an "L" shape as a whole. The connecting frame 6 is horizontally located directly above the testing platform 4 and is arranged as a metal frame. The hydraulic heads 7 are arranged in four groups as a whole and are distributed at the edge corners of the connecting frame 6.

[0033] By means of the connection frame 6 located just above the detection head 4 and the cooperation with the hydraulic head 7, the aluminum shell can be pressed down and fixed from the upper position, thereby maintaining the stability of the aluminum shell and its ventilation and sealing properties.

[0034] The sealing structure 3 is overall arranged in four groups along the surface of the main body 1;

[0035] The air cushion layer 9 is arranged in a trapezoidal shape along the inner side of the outer plate 8 and is arranged as a silicone air cushion layer. A ventilation pipe is arranged at the outer end of the outer plate 8 and the ventilation pipe is connected to an external air supply device at the same time. The sealing layer 10 is arranged as a rubber pleated layer. The sealing ball 11 is located at the inner end corner of the air cushion layer 9 and is arranged as a rubber ball.

[0036] The ventilation pipe on the outside of the outer plate 8 is used to transport gas to the inside of the air cushion layer 9. The air cushion layer 9 is ventilated and expanded, and cooperates with the sealing layer 10 and the sealing ball 11 on the surface to achieve the effect of fitting to the surface of the shell to form a seal. After the air cushion layer 9 is ventilated and expanded, the sealing ball 11 at the inner corner position effectively maintains the sealing of the contact position of each group of air cushion layers 9 to avoid air leakage.

[0037] The expansion layer 12 is configured as a rubber corrugated layer;

[0038] After the air cushion layer 9 is ventilated and expanded, the expansion layer 12 stretches adaptively as the air cushion layer 9 expands.

[0039] The outer ends of the ventilation pipes matched in each sealing structure 3 are connected through a set of ventilation main pipes. The ventilation main pipe and the detection channel 15 share an external air supply device. At the same time, the ventilation main pipe is matched with a control valve and a pressure detection mechanism.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.

Claims

1. A strength test device for explosion-proof aluminum shell, characterized in that: The invention comprises a main body (1), wherein a fixing structure (2) and a sealing structure (3) are fixedly connected to the surface of the main body (1), wherein the sealing structure (3) is arranged along the outer side of the surface of the main body (1), wherein the fixing structure (2) is located at one side of the surface of the main body (1), wherein the fixing structure (2) comprises a connecting base (5), a connecting frame (6) and a hydraulic head (7) which are fixedly connected in sequence, wherein the hydraulic head (7) is located on the bottom surface of the connecting frame (6), wherein a matching detection platform (4) and a raised platform (14) are fixedly connected to the center of the surface of the main body (1), wherein a sealing bottom layer (13) is fixedly connected to the surrounding of the detection platform (4), wherein a detection channel (15) is fixedly connected to the surface of the raised platform (14), wherein the sealing structure (3) comprises an outer plate (8) and an air cushion layer (9) on the surface of the outer plate (8), wherein a sealing layer (10) and a sealing ball (11) are fixedly connected to the surface of the air cushion layer (9), and an expansion layer (12) is fixedly connected between the air cushion layer (9) and the outer plate (8).

2. The strength testing device for explosion-proof aluminum shell according to claim 1 is characterized in that: The detection platform (4) is arranged as a whole in the form of a trapezoidal platform body, the raised platform (14) is arranged in the form of a trapezoidal platform raised at the top end of the detection platform (4), and the edge inclination angle of the raised platform (14) is greater than the edge inclination angle of the detection platform (4).

3. The strength testing device for explosion-proof aluminum shell according to claim 1 is characterized in that: The sealing bottom layer (13) is arranged in a rectangular distribution along the periphery between the detection platform (4) and the main body (1), and the sealing bottom layer (13) is arranged as a silicone sealing layer.

4. The strength testing device for explosion-proof aluminum shell according to claim 1 is characterized in that: The connecting base (5) and the connecting frame (6) are arranged in an "L" shape as a whole. The connecting frame (6) is horizontally located directly above the detection platform (4) and is arranged as a metal frame. The hydraulic heads (7) are arranged in four groups as a whole and are distributed at the edge corners of the connecting frame (6).

5. The strength testing device for explosion-proof aluminum shell according to claim 1 is characterized in that: The sealing structures (3) are arranged in four groups along the surface of the main body (1).

6. The strength testing device for explosion-proof aluminum shell according to claim 1, characterized in that: The air cushion layer (9) is arranged in a trapezoidal shape along the inner side of the outer plate (8) and is arranged as a silicone air cushion layer. A ventilation pipe is arranged at the outer end of the outer plate (8) and is connected to an external air supply device. The sealing layer (10) is arranged as a rubber pleated layer. The sealing ball (11) is located at the inner end corner of the air cushion layer (9) and is arranged as a rubber ball.

7. The strength testing device for explosion-proof aluminum shell according to claim 1 is characterized in that: The expansion layer (12) is configured as a rubber corrugated layer.

Images