Civil air defense door sealing performance detection device

Abstract

The utility model relates to the technical field of airtight performance detection devices, and discloses a civil air defense door airtight performance detection device, which comprises a bottom plate and two moving frames, threaded rods are in threaded connection with the interiors of multiple threaded holes, one end of each threaded rod is fixedly connected with a pressing block, and the other end of each threaded rod is fixedly connected with the corresponding moving frame. The ends, away from the pressing block, of the multiple threaded rods are fixedly connected with rotating handles. According to the civil air defense door sealing performance detection device, flexible adaptation to civil air defense doors of different sizes is achieved through adjustment of the threaded rod and the pressing block, it is ensured that the device can be applied to sealing performance detection of most civil air defense doors, the positions of the threaded rod and the pressing block can be easily adjusted by rotating the rotating handle, the civil air defense doors are clamped, and the practicability is high. The adjusting mode is simple and visual, complex operation steps or professional skills are not needed, the operation difficulty is reduced, and the sealing performance between the civil air defense door and the installation plate in the detection process is ensured through the combined action of the installation groove and the pressing block.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of air tightness detection devices, in particular to a civil air defense door air tightness detection device. BACKGROUND

[0002] The protective equipment is an important component of the civil air defense project, and its importance is self-evident. The special equipment, such as the protective air tight door and the air tight door, which is arranged at various orifice parts of the civil air defense project and used for blocking the shock wave, the biochemical toxicant and various destructive factors, is one of the key facilities and decisive links for the civil air defense project to play a protective role.

[0003] However, the existing civil air defense door sealing detection method needs complex operations to complete when the civil air defense door is installed, and when the civil air defense door is detected in a large scale or in batches, the detection period may be prolonged, and the overall progress of the civil air defense project is affected. CONTENT OF THE UTILITY MODEL

[0004] In view of the defects of the prior art, the civil air defense door air tightness detection device has the advantages of rapid installation of the civil air defense door, solves the problem that the existing civil air defense door sealing detection method needs complex operations to complete when the civil air defense door is installed, and when the civil air defense door is detected in a large scale or in batches, the detection period may be prolonged, and the overall progress of the civil air defense project is affected.

[0005] To achieve the above-mentioned purpose, the application provides the following technical scheme: a civil air defense door air tightness detection device, comprising a bottom plate and two moving frames, one side of the upper end of the bottom plate is fixedly connected with a mounting plate, a mounting groove is formed in the surface of the mounting plate, three slide grooves arranged in a straight line are formed in the inside of both sides of the mounting plate, three slide blocks arranged in a straight line are fixedly connected to one side of each of the two moving frames, a plurality of threaded holes arranged in a straight line are penetratingly arranged on one side of each of the two moving frames, a threaded rod is threadedly connected in each of the plurality of threaded holes, a pressing block is fixedly connected to one end of each of the plurality of threaded rods, and a rotating handle is fixedly connected to the end, away from the pressing block, of each of the plurality of threaded rods.

[0006] Through the above-mentioned scheme, the bottom plate, the mounting plate and the moving frame are arranged, so that the structure of the whole device is clear and easy to assemble and disassemble the civil air defense door. The moving frame slides in the slide groove through the slide block, and the threaded rod and the pressing block are adjusted, so that the civil air defense door of different sizes is flexibly adapted, and it is ensured that the device can be applied to the air tightness detection of most civil air defense doors. The position of the threaded rod and the pressing block can be easily adjusted by rotating the rotating handle, and the civil air defense door is clamped. The adjustment mode is simple and intuitive, and complex operation steps or professional skills are not required, so that the operation difficulty is reduced. The mounting groove and the pressing block jointly ensure the sealing between the civil air defense door and the mounting plate during the detection process.

[0007] Further, the inner wall of the mounting groove is fixedly connected with a sealing strip, and the mounting groove is fixedly connected with the air defense door body.

[0008] Through the above scheme, the sealing strip fixedly connected with the inner wall of the mounting groove is arranged between the mounting groove and the air defense door body, so that a good sealing effect is formed between the mounting groove and the air defense door body.

[0009] Further, the end of the mounting plate away from the mounting groove is fixedly connected with an overpressure chamber, and the surface of the overpressure chamber is fixedly connected with an air inlet pipe.

[0010] Through the above scheme, the overpressure chamber is used to simulate the overpressure environment that the air defense door may face in actual application, and the air inlet pipe fixedly connected with the surface is used to fill gas into the chamber, so as to test the sealing performance of the air defense door.

[0011] Further, the surface of the overpressure chamber is fixedly connected with a control box, the upper end of the control box is fixedly connected with a pressure gauge, and the detection end of the pressure gauge penetrates the outer wall of the overpressure chamber.

[0012] Through the above scheme, the control box is used to receive, process and output related signals, and the operator sets and adjusts the target pressure value in the overpressure chamber according to needs, and receives feedback signals, so as to realize accurate control of the pressure environment. The pressure gauge is used as an indicating instrument for displaying the current pressure value in the overpressure chamber, and its detection end penetrates the outer wall of the overpressure chamber and is directly connected to the overpressure chamber, so as to reflect the pressure change in the overpressure chamber in real time and accurately.

[0013] Further, the upper end of the bottom plate away from the mounting plate is fixedly connected with an air compressor, the output end of the air compressor is fixedly connected with a connecting pipe, and the end of the connecting pipe away from the air compressor is fixedly connected with the air inlet pipe.

[0014] Through the above scheme, the air compressor is used to generate high enough gas pressure to simulate the overpressure environment that the air defense door may face in actual application, and the connecting pipe is used as a pipeline connecting the air compressor and the air inlet pipe to ensure smooth transmission of gas.

[0015] Further, two support plates are fixedly arranged between the bottom plate and the mounting plate.

[0016] Through the above scheme, the design of the support plate is used to enhance the structural strength and stability of the whole detection device. By arranging two mirror image distributed support plates, the weight of the mounting plate and the components thereon can be effectively dispersed to the bottom plate, preventing deformation or damage due to uneven load,

[0017] Further, the upper end of the air defense door body is fixedly connected with two hoisting rings arranged in a mirror image.

[0018] Through the above scheme, the setting of the lifting rings facilitates the lifting and moving of the civil defense door body, and since the civil defense door is usually large in size and heavy in weight, lifting equipment needs to be used for operation during installation, disassembly or transportation, and the civil defense door body can be conveniently lifted through the two mirror-distributed lifting rings.

[0019] Further, the plurality of sliding blocks are slidingly arranged inside the sliding grooves.

[0020] Through the above scheme, the moving frame can move linearly along the length direction of the sliding groove through the arrangement of the plurality of sliding blocks and sliding grooves, and during the installation of the civil defense door, the operator can slide the two moving frames to the two sides respectively, thereby providing sufficient installation space for the civil defense door body.

[0021] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0022] The civil defense door sealing performance detection device is provided with a bottom plate, a mounting plate and a moving frame, so that the structure of the entire device is clear and easy to assemble and disassemble for the civil defense door, the moving frame is slidingly arranged in the sliding groove through the sliding block, and the threaded rod and the pressing block are adjusted, so that flexible adaptation to civil defense doors of different sizes is realized, and it is ensured that the device can be applied to the sealing performance detection of most civil defense doors. The position of the threaded rod and the pressing block can be easily adjusted by rotating the handle, and the civil defense door is clamped. The adjustment method is simple and intuitive, and does not require complex operation steps or professional skills, thereby reducing the operation difficulty. The installation groove and the pressing block jointly ensure the sealing between the civil defense door and the mounting plate during the detection process. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the structure of the present application;

[0024] Figure 2 It is a schematic diagram of the internal structure of the support plate of the structure of the present application;

[0025] Figure 3 It is a schematic diagram of the moving frame structure of the structure of the present application;

[0026] Figure 4 It is a schematic diagram of the civil defense door installation structure of the structure of the present application;

[0027] Figure 5 It is a schematic diagram of the air inlet device structure of the structure of the present application;

[0028] Figure 6 It is a schematic diagram of the moving frame expansion structure of the structure of the present application.

[0029] In the drawings:

[0030] 1, bottom plate; 2, mounting plate; 3, mounting groove; 4, sliding groove; 5, moving frame; 6, sliding block; 7, threaded hole; 8, threaded rod; 9, pressing block; 10, handle; 11, sealing strip; 12, civil defense door body; 13, overpressure chamber; 14, air inlet pipe; 15, control box; 16, pressure gauge; 17, air compressor; 18, connecting pipe; 19, support plate; 20, lifting ring. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be described clearly and completely 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, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0032] Please refer to Figure 1 , Figure 2 and Figure 3 , the civil defense door sealing performance detection device in the embodiment comprises a bottom plate 1 and two moving frames 5, the bottom plate 1 is fixedly connected with a mounting plate 2 on one side of the upper end, the mounting plate 2 is provided with a mounting groove 3 on the surface, and three sliding grooves 4 arranged in a straight line are formed in the inside of the mounting plate 2 on both sides. One side of each of the two moving frames 5 is fixedly connected with three sliding blocks 6 arranged in a straight line, the moving frame 5 is slid in the sliding groove 4 through the sliding block 6, flexible adaptation to civil defense doors of different sizes is realized, a plurality of threaded holes 7 arranged in a straight line are formed in one side of each of the two moving frames 5, a threaded rod 8 is threadedly connected in each of the plurality of threaded holes 7, a pressing block 9 is fixedly connected to one end of each of the plurality of threaded rods 8, a handle 10 is fixedly connected to the end of each of the plurality of threaded rods 8 away from the pressing block 9, the position of the threaded rod 8 and the pressing block 9 can be easily adjusted by rotating the handle 10, the civil defense door is clamped, the adjustment mode is simple and intuitive, and complex operation steps or professional skills are not required, thereby reducing the operation difficulty.

[0033] Please refer to Figure 4 and Figure 5The inner wall of the installation groove 3 is fixedly connected with a sealing strip 11, the inside of the installation groove 3 is fixedly connected with a civil air defense door body 12, the sealing strip 11 fixedly connected with the inner wall of the installation groove 3 is arranged between the installation groove 3 and the civil air defense door body 12, so that a good sealing effect is formed between the installation groove 3 and the civil air defense door body 12, one end of the installation plate 2 away from the installation groove 3 is fixedly connected with an overpressure chamber 13, the surface of the overpressure chamber 13 is fixedly connected with an air inlet pipe 14, the overpressure chamber 13 is used for simulating the overpressure environment that the civil air defense door may face in actual application, gas is filled into the chamber through the surface fixedly connected air inlet pipe 14, so as to realize the test on the sealing performance of the civil air defense door, one side of the surface of the overpressure chamber 13 is fixedly connected with a control box 15, the upper end of the control box 15 is fixedly connected with a pressure gauge 16, the detection end of the pressure gauge 16 is arranged to penetrate the outer wall of the overpressure chamber 13, the control box 15 is used for receiving, processing and outputting relevant signals, the target pressure value in the overpressure chamber 13 is set and adjusted according to the needs of the operator, and the feedback signal is received, so as to realize the accurate control on the pressure environment, the pressure gauge 16 is an indicating instrument for displaying the current pressure value in the overpressure chamber 13, the detection end thereof is arranged to penetrate the outer wall of the overpressure chamber 13 and is directly connected to the overpressure chamber 13, so as to be able to reflect the pressure change in the overpressure chamber 13 in real time and accurately.

[0034] Please refer to Figure 1 , Figure 5 and Figure 6The air compressor 17 is fixedly connected to the upper end of the bottom plate 1 away from the mounting plate 2, the output end of the air compressor 17 is fixedly connected with the connecting pipe 18, the connecting pipe 18 is fixedly connected with the air inlet pipe 14 away from the air compressor 17, the air compressor 17 is used to generate high enough gas pressure to simulate the overpressure environment that the civil air defense door may face in actual application, the connecting pipe 18 serves as a pipeline connecting the air compressor 17 and the air inlet pipe 14, and ensures smooth transmission of the gas, two mirror image distributed support plates 19 are fixedly arranged between the bottom plate 1 and the mounting plate 2, the support plates 19 are designed to enhance the structural strength and stability of the entire detection device, the weight of the mounting plate 2 and the components thereon can be effectively dispersed to the bottom plate 1 through the two mirror image distributed support plates 19, so that deformation or damage due to bearing uneven load is prevented, the civil air defense door body 12 is fixedly connected with two mirror image distributed lifting rings 20 at the upper end, the lifting rings 20 are arranged to facilitate hoisting and moving of the civil air defense door body 12, since the civil air defense door is usually large in size and heavy in weight, hoisting equipment needs to be used for operation during installation, disassembly or transportation, the civil air defense door body 12 can be conveniently hoisted through the two mirror image distributed lifting rings 20, and the plurality of sliding blocks 6 are slidingly arranged in the sliding groove 4, the moving frame 5 can move linearly along the length direction of the sliding groove 4 through the arrangement of the plurality of sliding blocks 6 and the sliding groove 4, and during installation of the civil air defense door, an operator can slide the two moving frames 5 to the two sides respectively, so as to provide sufficient installation space for the civil air defense door body 12.

[0035] In the embodiment, the civil air defense door sealing performance detection device is provided with the bottom plate 1, the mounting plate 2 and the moving frame 5, so that the structure of the entire device is clear and easy to assemble and disassemble the civil air defense door, the moving frame 5 can flexibly adapt to civil air defense doors of different sizes through sliding of the sliding block 6 in the sliding groove 4 and adjustment of the threaded rod 8 and the pressing block 9, so that the device can be applied to sealing performance detection of most civil air defense doors, the position of the threaded rod 8 and the pressing block 9 can be easily adjusted through rotation of the rotating handle 10 to clamp the civil air defense door, the adjustment mode is simple and intuitive, and complex operation steps or professional skills are not required, so that the operation difficulty is reduced, and the installation groove 3 and the pressing block 9 jointly ensure the sealing between the civil air defense door and the mounting plate 2 during detection.

[0036] It should be noted that the plurality of pressing blocks 9 are made of rubber to prevent damage to the civil air defense door body 12 during detection.

[0037] The working principle of the above embodiment is as follows:

[0038] First, the hoisting equipment is prepared, the operator slides the two moving frames 5 to the two sides respectively to provide enough installation space for the civil air defense door body 12, uses the hoisting equipment to hoist the civil air defense door body 12 into the installation groove 3 of the installation plate 2 through the lifting ring 20, adjusts the position of the moving frame 5 by sliding the sliding block 6 in the sliding groove 4, then rotates the rotating handle 10, and holds and fixes the civil air defense door body 12 through the threaded rod 8 and the pressing block 9, and the sealing strip 11 is arranged to increase the sealing property between the installation groove 3 and the civil air defense door body 12, the target pressure value in the superpressure chamber 13 is set through the control box 15, the air compressor 17 is started, and the superpressure chamber 13 is filled with gas through the connecting pipe 18 and the air inlet pipe 14, the reading of the pressure gauge 16 is observed to ensure that the pressure in the superpressure chamber 13 gradually reaches the set target value, after the appropriate pressure is reached, the reading of the pressure gauge 16 is observed to detect the airtightness of the civil air defense door body 12.

[0039] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action without necessarily requiring or implying that the entities or actions are in any way mutually exclusive or directional. Moreover, the terms "comprising", "including", or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises a... " does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0040] Although the embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A device for testing the airtightness of a civil defense door, comprising a base plate (1) and two movable frames (5), characterized in that: A mounting plate (2) is fixedly connected to one side of the upper end of the base plate (1). A mounting groove (3) is provided on the surface of the mounting plate (2). Three sliding grooves (4) arranged in a linear array are provided on both sides of the interior of the mounting plate (2). Three sliders (6) arranged in a linear array are fixedly connected to one side of each of the two movable frames (5). Multiple threaded holes (7) arranged in a linear array are provided through one side of each of the two movable frames (5). Threaded rods (8) are threadedly connected inside the multiple threaded holes (7). A pressure block (9) is fixedly connected to one end of each of the multiple threaded rods (8). A throttle (10) is fixedly connected to the end of each of the multiple threaded rods (8) away from the pressure block (9).

2. The airtightness testing device for a civil defense door according to claim 1, characterized in that: A sealing strip (11) is fixedly connected to the inner wall of the mounting groove (3), and a human defense door body (12) is fixedly connected inside the mounting groove (3).

3. The airtightness testing device for a civil defense door according to claim 1, characterized in that: An overpressure chamber (13) is fixedly connected to one end of the mounting plate (2) away from the mounting groove (3), and an air inlet pipe (14) is fixedly connected to the surface of the overpressure chamber (13).

4. The airtightness testing device for a civil defense door according to claim 3, characterized in that: A control box (15) is fixedly connected to one side of the surface of the overpressure chamber (13), and a pressure gauge (16) is fixedly connected to the upper end of the control box (15). The detection end of the pressure gauge (16) is set through the outer wall of the overpressure chamber (13).

5. The airtightness testing device for a civil defense door according to claim 1, characterized in that: An air compressor (17) is fixedly connected to the upper end of the base plate (1) away from the mounting plate (2). A connecting pipe (18) is fixedly connected to the output end of the air compressor (17). The end of the connecting pipe (18) away from the air compressor (17) is fixedly connected to the air inlet pipe (14).

6. The airtightness testing device for a civil defense door according to claim 1, characterized in that: Two support plates (19) are fixedly arranged in a mirror image between the base plate (1) and the mounting plate (2).

7. The airtightness testing device for a civil defense door according to claim 2, characterized in that: The upper end of the air defense door body (12) is fixedly connected to two hanging rings (20) arranged in a mirror image.

8. The airtightness testing device for a civil defense door according to claim 1, characterized in that: Multiple sliders (6) are slidably disposed inside the groove (4).

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