Air tightness detection device for civil air defense engineering valve

Abstract

The utility model discloses a civil air defense engineering valve airtightness detection device, which comprises a base, a bottom box fixedly connected to the top of the base, a fixing frame welded to the top wall of the base, a valve body detachably placed on the top of the base, a placing assembly and a detection assembly, and is characterized in that the placing assembly is arranged on the fixing frame; the detection assembly is arranged on the fixing frame. The utility model belongs to the technical field of valve detection, and particularly relates to a civil air defense engineering valve air tightness detection device which can quickly place and fix valves with different lengths and perform double air tightness detection on the valves through air pressure and a method that air generates bubbles in water.

Description

Technical Field

[0001] The utility model belongs to the technical field of valve detection, and in particular relates to an air tightness detection device for valves in civil air defense projects. Background Art

[0002] Airtight valves are usually used in civil air defense project valves. Airtight valves are responsible for the airtight performance of the project. In order to ensure the quality and effectiveness of the valves in civil air defense projects, airtightness tests are often carried out on the valves in the factory or before use using detection devices to ensure that the valves can be used normally.

[0003] When testing the air tightness of existing valves, the operation is relatively cumbersome during the process of fixing the valves, and it is impossible to achieve simultaneous testing of multiple groups of valves at one time, resulting in low overall testing efficiency and a single testing step, resulting in incomplete and inaccurate testing results. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a civil air defense valve air tightness detection device, which can quickly place and fix valves of different lengths, and perform double air tightness detection on the valves through air pressure and the method of gas generating bubbles in water.

[0005] The technical solution adopted by the utility model is as follows: a device for detecting air tightness of valves in civil air defense projects, comprising a base, a bottom box fixedly connected to the top of the base, a fixing frame welded to the top wall of the base, and a valve body detachably placed on the top of the base, and also comprising a placing component and a detecting component, wherein the placing component is arranged on the fixing frame, and the detecting component is arranged on the fixing frame;

[0006] The placement assembly includes a hydraulic rod that penetrates the fixing frame and is fixedly connected to the fixing frame, a square plate fixedly connected to the lower end of the hydraulic rod, and a placement plate welded to the bottom wall of the square plate, and the valve body is placed on the top of the placement plate;

[0007] The detection component includes an air pump fixedly mounted on the top wall of a fixing frame, a hose 1 fixedly connected to an output end of the air pump, an electric telescopic rod penetrating the fixing frame and fixedly connected to the fixing frame, a connecting plate fixedly connected to the output end of the electric telescopic rod, a connecting pipe fixedly connected to an outer side wall of the connecting plate, and an air pressure gauge mounted on the connecting pipe, wherein one end of the hose 1 away from the air pump is connected to an upper end of the connecting pipe.

[0008] Furthermore, the placement assembly also includes an electric push rod that passes through the square plate and is fixedly connected to the square plate, a connecting block fixedly connected to the free end of the electric push rod, a pressure plate fixedly connected to the bottom wall of the connecting block, a cylinder fixedly installed on the outer wall of the connecting block, and a clamp fixedly connected to one end of the cylinder.

[0009] Furthermore, the detection assembly also includes a one-way valve fixedly installed on the connecting pipe, a disc fixedly connected to one end of the connecting pipe, a hose 2 fixedly connected to the outer wall of the disc, and a connecting flange fixedly connected to the other end of the hose 2.

[0010] Furthermore, the electric push rods are symmetrically arranged, and the pressure plate and the bottom wall of the clamping plate are at the same height.

[0011] Furthermore, the connecting pipe is arranged in an L shape.

[0012] After adopting the above structure, the utility model has the following beneficial effects: The utility model proposes a device for detecting air tightness of valves in civil air defense projects:

[0013] (1) The valve body placed on the placement plate can be quickly positioned by the vertical movement of the pressure plate and the lateral movement of the clamping plate;

[0014] (2) The position of the connecting flange can be flexibly adjusted to facilitate its connection to one end of the valve body of different lengths;

[0015] (3) Perform a double air tightness test on the valve by observing the air pressure value and placing the valve body in the bottom box to observe whether bubbles appear during the test;

[0016] (4) When not testing, the connecting flange can be fixed on the disc to prevent the two ends of the hose from breaking. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0018] Figure 1 This is a schematic diagram of the overall structure of a device for detecting air tightness of valves in civil air defense projects proposed by the utility model;

[0019] Figure 2 This is a three-dimensional structural schematic diagram of a valve air tightness detection device for civil air defense projects proposed by the utility model;

[0020] Figure 3 This is a three-dimensional structural schematic diagram from another perspective of a device for detecting air tightness of valves in civil air defense projects proposed by the utility model;

[0021] Figure 4 This is a schematic diagram of the three-dimensional structure from other viewing angles of the air tightness detection device for valves in civil air defense projects proposed by the utility model.

[0022] In the attached drawings: 1. base, 2. bottom box, 3. fixing frame, 4. valve body, 5. hydraulic rod, 6. square plate, 7. placement plate, 8. air pump, 9. hose one, 10. electric telescopic rod, 11. connecting plate, 12. connecting pipe, 13. pressure gauge, 14. electric push rod, 15. connecting block, 16. pressure plate, 17. cylinder, 18. splint, 19. one-way valve, 20. disc, 21. hose two, 22. connecting flange. DETAILED DESCRIPTION

[0023] like Figure 1-2 As shown, a device for detecting air tightness of valves in civil air defense projects comprises a base 1, a bottom box 2 fixedly connected to the top of the base 1, a fixing frame 3 welded to the top wall of the base 1, and a valve body 4 detachably placed on the top of the base 1, and also comprises a placing component and a detecting component, wherein the placing component is arranged on the fixing frame 3, and the detecting component is arranged on the fixing frame 3.

[0024] like Figure 1-4 As shown, in order to quickly place valve bodies 4 of different lengths, the placement assembly includes a hydraulic rod 5 that passes through the fixing frame 3 and is fixedly connected to the fixing frame 3, a square plate 6 that is fixedly connected to the lower end of the hydraulic rod 5, a placement plate 7 welded to the bottom wall of the square plate 6, an electric push rod 14 that passes through the square plate 6 and is fixedly connected to the square plate 6, a connecting block 15 that is fixedly connected to the free end of the electric push rod 14, a pressure plate 16 that is fixedly connected to the bottom wall of the connecting block 15, a cylinder 17 that is fixedly installed on the outer wall of the connecting block 15, and a clamping plate 18 that is fixedly connected to one end of the cylinder 17, and the valve body 4 is placed on the top of the placement plate 7.

[0025] like Figure 1-4 As shown, in order to efficiently perform air tightness detection of the valve, the detection component includes an air pump 8 fixedly mounted on the top wall of the fixing frame 3, a hose 9 fixedly connected to the output end of the air pump 8, an electric telescopic rod 10 that penetrates the fixing frame 3 and is fixedly connected to the fixing frame 3, a connecting plate 11 fixedly connected to the output end of the electric telescopic rod 10, a connecting pipe 12 fixedly connected to the outer wall of the connecting plate 11, a pressure gauge 13 installed on the connecting pipe 12, a one-way valve 19 fixedly mounted on the connecting pipe 12, a disc 20 fixedly connected to one end of the connecting pipe 12, a hose 21 fixedly connected to the outer wall of the disc 20 and a connecting flange 22 fixedly connected to the other end of the hose 21, and the end of the hose 9 away from the air pump 8 is connected to the upper end of the connecting pipe 12.

[0026] The electric push rod 14 is symmetrically arranged, the bottom walls of the pressing plate 16 and the clamping plate 18 are at the same height, and the connecting pipe 12 is L-shaped.

[0027] When in use, the connecting flange 22 can be fixed to the disc 20 by bolts when not being tested to avoid breakage at both ends of the hose 21, and the valve body 4 is placed on the top of the placement plate 7, and then the two groups of electric push rods 14 are controlled to extend at the same time until the pressure plate 16 contacts the top wall of the valve body 4, and then the two groups of cylinders 17 are controlled to extend, and the two groups of clamping plates 18 are moved to both sides until they contact the two sides of the valve body 4, so that the clamping and fixing of the valve body 4 can be completed quickly, and the connecting flange 22 fixed on the disc 20 is removed, and the electric telescopic rod 10 is controlled to extend, and the position of the connecting pipe 12 is adjusted laterally, and then the connecting flange 22 is connected to one end of the valve body 4, and the one-way valve 19 and the air pump 8 are opened, and the pressure gauge 13 is observed until the air pressure in the valve body 4 reaches the set value, and the pointer of the pressure gauge 13 is observed to have obvious changes, and then the hydraulic rod 5 is controlled to extend, and the valve body 4 moves down into the water, and the air tightness of the valve body 4 is determined by observing whether bubbles appear in the bottom box 2.

[0028] Although the embodiments of the utility model have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the attached claims and their equivalents. In short, if those skilled in the art are inspired by them and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the scope of protection of the utility model.

Claims

1. A valve air tightness detection device for civil air defense engineering, comprising a base, a bottom box fixedly connected to the top of the base, a fixing frame welded to the top wall of the base, and a valve body detachably placed on the top of the base, characterized in that: It also includes a placement component and a detection component, wherein the placement component is arranged on a fixing frame, and the detection component is arranged on the fixing frame; The placement assembly includes a hydraulic rod that penetrates the fixing frame and is fixedly connected to the fixing frame, a square plate fixedly connected to the lower end of the hydraulic rod, and a placement plate welded to the bottom wall of the square plate, and the valve body is placed on the top of the placement plate; The detection component includes an air pump fixedly mounted on the top wall of a fixing frame, a hose 1 fixedly connected to an output end of the air pump, an electric telescopic rod penetrating the fixing frame and fixedly connected to the fixing frame, a connecting plate fixedly connected to the output end of the electric telescopic rod, a connecting pipe fixedly connected to an outer side wall of the connecting plate, and an air pressure gauge mounted on the connecting pipe, wherein one end of the hose 1 away from the air pump is connected to an upper end of the connecting pipe.

2. The air tightness detection device for valves in civil air defense projects according to claim 1 is characterized in that: The placement assembly also includes an electric push rod that passes through the square plate and is fixedly connected to the square plate, a connecting block fixedly connected to the free end of the electric push rod, a pressing plate fixedly connected to the bottom wall of the connecting block, a cylinder fixedly installed on the outer side wall of the connecting block, and a clamp fixedly connected to one end of the cylinder.

3. The air tightness detection device for valves in civil air defense projects according to claim 2 is characterized in that: The detection assembly also includes a one-way valve fixedly installed on the connecting pipe, a disc fixedly connected to one end of the connecting pipe, a second hose fixedly connected to the outer wall of the disc, and a connecting flange fixedly connected to the other end of the second hose.

4. The air tightness detection device for valves in civil air defense projects according to claim 3 is characterized by: The electric push rods are symmetrically arranged, and the pressure plate and the bottom wall of the clamping plate are at the same height.

5. The air tightness detection device for valves in civil air defense projects according to claim 4 is characterized in that: The connecting pipe is arranged in an L shape.

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