Anti-explosion performance testing device for protective door

Abstract

The utility model discloses an anti-explosion performance testing device for a protective door, and belongs to the technical field of anti-explosion performance testing devices.The anti-explosion performance testing device comprises an explosion detection bin and an explosion package, a partition wall is arranged in the explosion detection bin, and a communication opening is formed in the partition wall; a to-be-detected protective door is vertically arranged on one side of the communicating port in the explosion detection bin, and a shock wave sensor is arranged on the other side of the communicating port in the explosion detection bin; the to-be-detected protective door leans against the partition wall, and the to-be-detected protective doors with different thicknesses are clamped and fixed through the cooperation of the clamping unit, the moving block and the fixed rod, so that the to-be-detected protective door can be subjected to an explosion test in a vertical state, the communication port is formed, and the shock wave sensor is arranged on one side of the communication port, so that the explosion of the to-be-detected protective door is detected. Therefore, the impact force on the rear part of the to-be-detected protective door can be monitored and recorded in the explosion test, and the protective capability of the to-be-detected protective door can be evaluated.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of anti-blast performance testing device, in particular to an anti-blast performance testing device of a protective door. BACKGROUND

[0002] In underground civil air defense engineering and tunnel engineering, the protective door is a common protective equipment. The protective door in the civil air defense passage needs to consider the ability to bear the shock wave load generated by conventional weapon explosion, contact explosion and nuclear explosion. The protective door is often applied to the equipment chamber, refuge chamber, emergency exit and other places in various tunnels such as railways and highways. In addition to preventing fire, resisting positive and negative wind pressure caused by periodic piston wind of trains, preventing equipment damage and ensuring personnel safety, most of them also need to have certain anti-blast or anti-shock wave load capacity. Before the protective door is put into market use, the protective performance of the protective door needs to be detected by the anti-blast performance testing device.

[0003] The existing experimental equipment for the protective door is generally placed in an explosion pit or an explosion tank. Due to the structure limitation, the protective door cannot be set in the vertical actual working condition state, but in the lying state, and there is no test space behind the door, so the protection ability of the protective door to the objects behind it in the explosion cannot be evaluated. Therefore, the anti-blast performance testing device of the protective door needs to be improved. CONTENT OF THE INVENTION

[0004] In view of the defects in the prior art, the present application provides an anti-blast performance testing device of a protective door, which overcomes the defects in the prior art and aims to solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: an anti-blast performance testing device of a protective door, comprising an explosion detection bin and an explosion bag, an internal partition wall of the explosion detection bin is provided, a communication port is formed in the internal partition wall, a to-be-detected protective door is vertically arranged on one side of the communication port in the interior of the explosion detection bin, and an impact wave sensor is arranged on the other side of the communication port in the interior of the explosion detection bin, one side of the to-be-detected protective door is provided with a moving block, a fixed rod is rotatably installed in the interior of the moving block, and a clamping unit is fixedly connected to one side of the moving block close to the partition wall.

[0006] By adopting the above technical scheme, the to-be-detected protective door is clamped and fixed by the cooperation between the clamping unit, the moving block and the fixed rod, so that the to-be-detected protective door can be tested in a vertical state. The communication port is formed and the impact wave sensor is arranged on one side of the communication port, so as to monitor and record the impact force suffered by the rear of the to-be-detected protective door in the explosion test, and to evaluate the protection ability of the to-be-detected protective door.

[0007] As a preferred technical solution of the present application, the number of the moving blocks, the fixed rods and the clamping units is two and one-to-one correspondence, and the two moving blocks, the fixed rods and the clamping units are symmetrically arranged about the protective door to be detected.

[0008] By adopting the above technical solution, during clamping the protective door to be detected, the symmetrical arrangement can reduce the deflection or instability phenomenon caused by uneven force distribution, thereby improving the stability and reliability of the system.

[0009] As a preferred technical solution of the present application, the clamping unit comprises a connecting rod fixedly connected with the moving block, and the connecting rod slides back and forth inside the partition wall, one end of the connecting rod is fixedly installed with a connecting block, the connecting block is fixedly connected with the partition wall through a spring, and one side of the connecting block is fixedly connected with a handle.

[0010] By adopting the above technical solution, the position of the connecting rod is adjusted through the cooperation between the spring, the connecting block and the handle, so that the position of the moving block and the fixed rod can be adjusted, and the moving block and the fixed rod can clamp and fix the protective door to be detected with different thicknesses under the action of the clamping unit.

[0011] As a preferred technical solution of the present application, the protective door to be detected is located between the partition wall and the fixed rod, and the outer walls on both sides of the protective door to be detected abut the outer walls of the partition wall and the fixed rod, respectively.

[0012] By adopting the above technical solution, the protective door to be detected is clamped and fixed, and it is ensured that the protective door to be detected can be tested in a vertical state.

[0013] As a preferred technical solution of the present application, the inside of the explosion detection chamber is provided with a mounting bracket on one side of the partition wall, and the top of the mounting bracket is fitted with the bottom of the shock wave sensor.

[0014] By adopting the above technical solution, the shock wave sensor is limited and fixed by setting the mounting bracket, and the stability of the shock wave sensor during work is ensured, so as to monitor and record the explosion impact force.

[0015] As a preferred technical solution of the present application, the bottom of the mounting bracket is provided with a mounting hole, the inside of the mounting hole is threadedly connected with a fixing bolt, and the mounting bracket is fixedly connected with the explosion detection chamber through the fixing bolt.

[0016] By adopting the above technical solution, the mounting bracket can be fixedly installed inside the explosion detection chamber by setting the mounting hole and the fixing bolt, and it is ensured that the mounting bracket will not shake and fall during explosion test.

[0017] As a preferred technical scheme of the present application, the mounting rack, the shock wave sensor, the partition wall, the communication port and the to-be-tested protective door are symmetrically distributed on both sides of the axis of the explosion detection chamber, and the shock wave sensor and the communication port are located on the same horizontal plane.

[0018] By adopting the above technical scheme, the explosion impact force can act on the shock wave sensor through the communication port, so that the shock wave sensor can collect data.

[0019] As a preferred technical scheme of the present application, the inner top wall of the explosion detection chamber is fixedly installed with a lifting eye above the to-be-tested protective door, and the lifting eye is fixedly connected with the to-be-tested protective door through a nylon rope.

[0020] By adopting the above technical scheme, an upward force can be applied to the to-be-tested protective door, so that the stability of the to-be-tested protective door when placed vertically is further improved, and it is ensured that the to-be-tested protective door will not fall down.

[0021] The present application has the following beneficial effects:

[0022] In the present application, the to-be-tested protective door is placed against the partition wall, and the to-be-tested protective door of different thicknesses is clamped and fixed through the cooperation between the clamping unit, the moving block and the fixing rod, so that the to-be-tested protective door can be tested in a vertical state. The communication port is provided, and the shock wave sensor is arranged on one side of the communication port, so that the impact force on the rear of the to-be-tested protective door during the explosion test can be monitored and recorded, and the protective ability of the to-be-tested protective door can be evaluated.

[0023] Specific embodiments of the present application are disclosed in detail in the following description and drawings, and the principles of the present application can be adopted in the manner indicated. It should be understood that the embodiments of the present application are not limited in scope as a result. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0025] Figure 2 It is a schematic diagram of the internal structure of the explosion detection chamber of the present application;

[0026] Figure 3 It is a schematic diagram of the composition structure of the clamping unit of the present application;

[0027] Figure 4 It is a schematic diagram of the connection structure of the mounting rack of the present application.

[0028] As shown in the figure: 1, explosion detection warehouse; 2, partition wall; 3, communication port; 4, to be detected protective door; 5, explosive package; 6, moving block; 7, fixed rod; 8, clamping unit; 81, connecting rod; 82, connecting block; 83, spring; 84, handle; 9, shock wave sensor; 10, mounting bracket; 11, mounting hole; 12, fixing bolt; 13, lifting ring. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application but not all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] As shown in the figure: Figure 1 - Figure 4 The anti-explosion performance testing device for protective door provided by the embodiment includes an explosion detection warehouse 1 and an explosive package 5. The inside of the explosion detection warehouse 1 is provided with a partition wall 2. The inside of the partition wall 2 is provided with a communication port 3. The inside of the explosion detection warehouse 1 is vertically provided with a to-be-detected protective door 4 on one side of the communication port 3. The inside of the explosion detection warehouse 1 is provided with a shock wave sensor 9 on the other side of the communication port 3. One side of the to-be-detected protective door 4 is provided with a moving block 6. The moving block 6 is rotatably provided with a fixed rod 7. The moving block 6 is fixedly connected with a clamping unit 8 on the side close to the partition wall 2. In use, the to-be-detected protective door 4 is placed against the partition wall 2. The to-be-detected protective door 4 is clamped and fixed through the cooperation between the clamping unit 8, the moving block 6 and the fixed rod 7. The to-be-detected protective door 4 can be tested in a vertical state. The communication port 3 is provided on one side of the communication port 3. The shock wave sensor 9 is used to monitor and record the impact force on the back of the to-be-detected protective door 4 in the explosion test. The protective ability of the to-be-detected protective door 4 can be evaluated.

[0031] In the embodiment, as shown in the figures: Figure 1 and 2 The number of the moving block 6, the fixed rod 7 and the clamping unit 8 is two and one-to-one correspondence. The two moving blocks 6, the fixed rods 7 and the clamping units 8 are symmetrically arranged about the to-be-detected protective door 4. In use, in the process of clamping the to-be-detected protective door 4, the symmetrical arrangement can reduce the deflection or instability phenomenon caused by uneven force distribution, thereby improving the stability and reliability of the system.

[0032] In the embodiment, as shown in the figures: Figure 2 and 3As shown, the clamping unit 8 comprises a connecting rod 81 fixedly connected with the moving block 6, and the connecting rod 81 slides back and forth inside the partition wall 2, one end of the connecting rod 81 is fixedly installed with a connecting block 82, the connecting block 82 is fixedly connected with the partition wall 2 through a spring 83, one side of the connecting block 82 is fixedly connected with a handle 84, in use, the position of the connecting rod 81 is adjusted through the cooperation between the spring 83, the connecting block 82 and the handle 84, so that the position of the moving block 6 and the fixed rod 7 can be adjusted, so that the moving block 6 and the fixed rod 7 can clamp and fix the protective door 4 to be detected of different thicknesses under the action of the clamping unit 8.

[0033] In this embodiment, as shown in Figure 1 and 2 , the protective door 4 to be detected is located between the partition wall 2 and the fixed rod 7, and the outer walls on both sides of the protective door 4 to be detected abut the outer walls of the partition wall 2 and the fixed rod 7, respectively, in use, in order to clamp and fix the protective door 4 to be detected, and ensure that the protective door 4 to be detected can be tested in a vertical state.

[0034] In this embodiment, as shown in Figure 2 , the inside of the explosion detection bin 1 is provided with a mounting bracket 10 on one side of the partition wall 2, and the top of the mounting bracket 10 is fitted with the bottom of the shock wave sensor 9, in use, the shock wave sensor 9 is fixed and limited by the mounting bracket 10, ensuring the stability of the shock wave sensor 9 during operation, so as to monitor and record the explosion impact force.

[0035] In this embodiment, as shown in Figure 2 and 4 , the bottom of the mounting bracket 10 is provided with a mounting hole 11, and the inside of the mounting hole 11 is threadedly connected with a fixing bolt 12, and the mounting bracket 10 is fixedly connected with the explosion detection bin 1 through the fixing bolt 12, in use, the mounting bracket 10 can be fixedly installed inside the explosion detection bin 1 by setting the mounting hole 11 and the fixing bolt 12, ensuring that the mounting bracket 10 will not shake and fall during the explosion test.

[0036] In this embodiment, as shown in Figure 2 , the mounting bracket 10, the shock wave sensor 9, the partition wall 2, the communication port 3 and the protective door 4 to be detected are symmetrically distributed on both sides of the central axis of the explosion detection bin 1, and the shock wave sensor 9 and the communication port 3 are on the same horizontal plane, in use, so that the explosion impact force can act on the shock wave sensor 9 through the communication port 3, ensuring that the shock wave sensor 9 can collect data.

[0037] In this embodiment, as shown in Figure 1As shown, the inner top wall of the explosion detection bin 1 is fixedly installed with a lifting ring 13 above the to-be-detected protective door 4, and the lifting ring 13 is fixedly connected with the to-be-detected protective door 4 through a nylon rope, so that an upward force can be applied to the to-be-detected protective door 4 in use, and the stability of the to-be-detected protective door 4 when placed vertically is further improved, and it is ensured that the to-be-detected protective door 4 will not fall down.

[0038] Working principle: when the explosion resistance testing device for the protective door is used, the to-be-detected protective door 4 is placed against the partition wall 2, and the to-be-detected protective door 4 of different thicknesses is clamped and fixed through the cooperation between the clamping unit 8, the moving block 6 and the fixed rod 7, so that the to-be-detected protective door 4 can be tested in a vertical state, the impact wave sensor 9 is arranged on one side of the communication opening 3, so that the impact force borne by the rear of the to-be-detected protective door 4 during the explosion test can be monitored and recorded, and the protection capability of the to-be-detected protective door 4 can be evaluated.

[0039] In the description of the present application, it should be explained that the positions or position relationships indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end" and "the other end" are the positions or position relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and cannot be understood as indicating or implying that the devices or elements indicated must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0040] In the description of the present application, it should be explained that, unless otherwise explicitly specified and limited, the terms "installation", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through an intermediate medium, and can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the present application can be understood according to the specific situation.

[0041] The present application has been described above in combination with specific embodiments, but those skilled in the art should understand that these descriptions are exemplary and are not a limitation on the scope of protection of the present application. Those skilled in the art can make various modifications and changes to the present application according to the spirit and principles of the present application, and these modifications and changes are also within the scope of the present application.

Claims

1. A device for testing the blast resistance of a protective door, comprising an explosion detection chamber (1) and an explosion package (5), characterized in that, The inside of the explosion detection bin (1) is provided with a partition wall (2), the inside of the partition wall (2) is provided with a communication port (3), one side of the inside of the explosion detection bin (1) is vertically provided with a to-be-detected protection door (4) at the communication port (3), and the other side of the inside of the explosion detection bin (1) is provided with a shock wave sensor (9) at the communication port (3), one side of the to-be-detected protection door (4) is provided with a moving block (6), and the inside of the moving block (6) is rotatably provided with a fixed rod (7); and one side of the moving block (6) close to the partition wall (2) is fixedly connected with a clamping unit (8).

2. The blast resistance test apparatus for a protective door according to claim 1, wherein The number of the moving block (6), the fixed rod (7) and the clamping unit (8) is two and one-to-one correspondence, and the two moving blocks (6), the fixed rods (7) and the clamping units (8) are symmetrically arranged about the to-be-detected protection door (4).

3. The blast door blast resistance test apparatus of claim 1, wherein, The clamping unit (8) comprises a connecting rod (81) fixedly connected with the moving block (6), and the connecting rod (81) slides in the partition wall (2), one end of the connecting rod (81) is fixedly provided with a connecting block (82), the connecting block (82) is fixedly connected with the partition wall (2) through a spring (83), and one side of the connecting block (82) is fixedly connected with a handle (84).

4. The blast door blast resistance test apparatus of claim 1, wherein, The to-be-detected protection door (4) is located between the partition wall (2) and the fixed rod (7), and the outer walls on both sides of the to-be-detected protection door (4) abut against the outer walls of the partition wall (2) and the fixed rod (7) respectively.

5. The blast door blast resistance test apparatus of claim 1, wherein, The inside of the explosion detection bin (1) is provided with an installation rack (10) on one side of the partition wall (2), and the top of the installation rack (10) is fitted with the bottom of the shock wave sensor (9).

6. A blast door blast resistance test apparatus as defined in claim 5, wherein, The bottom of the installation rack (10) is provided with a mounting hole (11), and the inside of the mounting hole (11) is threadedly connected with a fixing bolt (12), and the installation rack (10) is fixedly connected with the explosion detection bin (1) through the fixing bolt (12).

7. The blast testing apparatus for security doors according to claim 5, wherein, The installation rack (10), the shock wave sensor (9), the partition wall (2), the communication port (3) and the to-be-detected protection door (4) are symmetrically distributed on both sides of the central axis of the explosion detection bin (1), and the shock wave sensor (9) and the communication port (3) are located on the same horizontal plane.

8. The blast testing apparatus for security doors according to claim 1, wherein, The inside top wall of the explosion detection bin (1) is fixedly provided with a lifting eye (13) above the to-be-detected protection door (4), and the lifting eye (13) is fixedly connected with the to-be-detected protection door (4) through a nylon rope.

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