Device for detecting air tightness of air bag
By designing an airbag airtightness detection device including a detection box, a cylinder, a screen plate and a downpressure device, the problem of lack of effective detection of the airtightness of the mining airbag in the prior art is solved, and a more intuitive and efficient airtightness detection is achieved, ensuring the sealing effect of the airbag.
Patent Information
- Application Number
- CN202422282501.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-19
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-09-19
AI Technical Summary
There is a lack of equipment in the prior art that can effectively detect the airtightness of mining airbags, which leads to the inability to effectively seal the tunnel when the airbag leaks, affecting the application effect.
An air tightness detection device with airbags including a detection box, a fixing frame, a cylinder, a screen plate, a downcomer device and other components is designed. By placing the inflatable airbag in water, and using the cylinder to drive the screen plate downward, the airbag is pressed into the screen frame through the downcomer device to realize air tightness detection.
The device can observe the air tightness of the airbag more intuitively, and it is simple to operate, improves detection efficiency and ensures the sealing effect of the airbag.
Smart Images
Figure CN223021459U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of airbag detection, in particular to a device for detecting the air tightness of an airbag. Background Art
[0002] Mine airbags are widely used in underground mine roadways for blocking roadways, fire prevention and extinguishing, life saving, ventilation regulation, etc. One of the main factors restricting the application effect of mine airbags is their air tightness. Once the airbag leaks, it will not play a blocking role. Therefore, it is very necessary for airbag manufacturers to strictly detect the air tightness of mine airbags before they leave the factory. At present, there are few air tightness detection equipments on the market, or their functions cannot fully meet the needs of mine airbag detection. Therefore, it is particularly important to develop a mine airbag air tightness detection equipment. Content of the Utility Model
[0003] In order to solve the above technical problems, the utility model provides a device for detecting the air tightness of an airbag, which is convenient to more intuitively observe the air tightness of the airbag, has a relatively simple operation, and improves its working efficiency by setting this device.
[0004] A device for detecting the air tightness of an airbag of the utility model includes a detection box, a fixing frame, a cylinder, a sieve plate, four groups of fixing rods, a sieve frame and a pressing device. The fixing frame is installed at the top end of the detection box. The cylinder is installed in the middle of the top end of the fixing frame. The output end of the cylinder passes through the fixing frame and is connected to the middle of the top end of the sieve plate. The sieve frame is installed at the bottom end inside the detection box through four groups of fixing rods. The sieve frame corresponds to the position of the sieve plate. The pressing device is installed on the sieve plate.
[0005] Preferably, the pressing device is set as multiple groups of pressing rods and multiple groups of buffer devices. The multiple groups of pressing rods are respectively installed on the sieve plate through the multiple groups of buffer devices.
[0006] Preferably, the buffer device is set as a sliding rod and a spring. The top end of the pressing rod is connected to the bottom end of the sliding rod. The sliding rod is slidably connected to the hole on the sieve plate. The spring is sleeved on the lower side of the sliding rod. One end of the spring is connected to the bottom end of the sieve plate, and the other end of the spring is connected to the pressing rod.
[0007] Preferably, it further includes a fixing plate, a material bucket, four groups of connecting plates, a connecting board, an electric push rod and a piston plate. The fixing plate is installed at the front left side of the top end of the detection box. An installation hole is communicated and arranged on the fixing plate. The material bucket is placed in the installation hole of the fixing plate. The four groups of connecting plates are respectively installed on the front side, left side, rear side and right side of the outer end of the material bucket. The four groups of connecting plates are cooperatively clamped with the fixing plate. The connecting board is installed at the top end of the material bucket. The electric push rod is installed in the middle of the top end of the connecting board. The output end of the electric push rod passes through the connecting board and is connected to the piston plate. The piston plate is hermetically slidably connected to the inside of the material bucket. A nozzle is communicated and arranged at the bottom end of the material bucket. A contrast agent is arranged inside the material bucket.
[0008] Preferably, it further includes two groups of lighting lamps, which are respectively installed on the left and right parts of the inner side of the top of the fixing frame.
[0009] Preferably, it further includes a camera, which is installed in the middle of the inner top of the fixing frame.
[0010] Preferably, it further includes multiple groups of limiting plates, which are respectively installed on the tops of multiple groups of sliding rods.
[0011] Preferably, the pressing rod is made of rubber material.
[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows: Place the inflated airbag in the water inside the detection box, and then open the air cylinder. The air cylinder drives the sieve plate to move downward, and the sieve plate presses the airbag into the sieve frame through the pressing device for limiting. Then, the airbag is in full contact with the water for airtightness detection. By setting this device, it is convenient to more intuitively observe the airtightness of the airbag, the operation is relatively simple, and its working efficiency is improved. Description of the Drawings
[0013] Figure 1 is the structural schematic diagram of the first perspective of the present utility model;
[0014] Figure 2 is the structural schematic diagram of the second perspective of the present utility model;
[0015] Figure 3 is Figure 1 the enlarged structural schematic diagram of A in
[0016] Figure 4 is Figure 2 the enlarged structural schematic diagram of B in
[0017] Reference numerals in the drawings: 1, detection box; 2, fixing frame; 3, air cylinder; 4, sieve plate; 5, fixing rod; 6, sieve frame; 7, pressing rod; 8, sliding rod; 9, spring; 10, fixing plate; 11, material bucket; 12, bridging plate; 13, connecting plate; 14, electric push rod; 15, piston plate; 16, nozzle; 17, lighting lamp; 18, camera; 19, limiting plate. Detailed Embodiments
[0018] The following combines the drawings and embodiments to further describe in detail the specific embodiments of the present utility model. The following embodiments are used to illustrate the present utility model, but are not used to limit the scope of the present utility model.
[0019] As Figures 1 to 4As shown in the figure, a device for detecting the air tightness of an airbag of the present utility model includes a detection box 1, a fixing frame 2, a cylinder 3, a sieve plate 4, four groups of fixing rods 5, a sieve frame 6, and a pressing device. The fixing frame 2 is installed at the top of the detection box 1. The cylinder 3 is installed in the middle of the top of the fixing frame 2. The output end of the cylinder 3 passes through the fixing frame 2 and is connected to the middle of the top of the sieve plate 4. The sieve frame 6 is installed at the bottom end inside the detection box 1 through four groups of fixing rods 5. The sieve frame 6 corresponds to the position of the sieve plate 4. The pressing device is installed on the sieve plate 4;
[0020] Place the inflated airbag in the water inside the detection box 1. Then turn on the cylinder 3, and the cylinder 3 drives the sieve plate 4 to move downward. The sieve plate 4 presses the airbag into the sieve frame 6 through the pressing device for limiting. Then the airbag is in full contact with the water for air tightness detection. By setting this device, it is convenient to more intuitively observe the air tightness of the airbag, the operation is relatively simple, and the working efficiency is improved.
[0021] As a preference of the above embodiment, the pressing device is set as multiple groups of pressing rods 7 and multiple groups of buffer devices. The multiple groups of pressing rods 7 are respectively installed on the sieve plate 4 through the multiple groups of buffer devices;
[0022] By setting the pressing rods 7 and the buffer devices, the multiple groups of pressing rods 7 press the airbag into the sieve frame 6 for limiting under the action of the multiple groups of buffer devices. The airbag can be directly pressed into the water through the pressing rods 7, which can ensure that the airbag is completely immersed in the water and avoid partial areas not being detected due to the floating of the airbag.
[0023] As a preference of the above embodiment, the buffer device is set as a sliding rod 8 and a spring 9. The top end of the pressing rod 7 is connected to the bottom end of the sliding rod 8. The sliding rod 8 is slidably connected to the hole on the sieve plate 4. The spring 9 is sleeved on the lower side of the sliding rod 8. One end of the spring 9 is connected to the bottom end of the sieve plate 4, and the other end of the spring 9 is connected to the pressing rod 7;
[0024] By setting the sliding rod 8 and the spring 9, the multiple groups of pressing rods 7 press and limit the airbag in the sieve frame 6 under the action of the multiple groups of sliding rods 8 and the multiple groups of springs 9, which is convenient to adjust the pressure of the pressing rods 7 to adapt to airbags of different sizes and thicknesses, and can avoid the airbag being deformed or damaged due to excessive pressure.
[0025] As a preference of the above embodiments, it further includes a fixing plate 10, a material barrel 11, four sets of connecting plates 12, a connecting plate 13, an electric push rod 14 and a piston plate 15. The fixing plate 10 is installed on the left front side of the top of the detection box 1. An installation hole is communicated on the fixing plate 10. The material barrel 11 is placed in the installation hole of the fixing plate 10. The four sets of connecting plates 12 are respectively installed on the front side, left side, rear side and right side of the outer end of the material barrel 11. The four sets of connecting plates 12 are cooperatively clamped with the fixing plate 10. The connecting plate 13 is installed on the top of the material barrel 11. The electric push rod 14 is installed in the middle of the top of the connecting plate 13. The output end of the electric push rod 14 passes through the connecting plate 13 and is connected to the piston plate 15. The piston plate 15 is hermetically and slidably connected to the inside of the material barrel 11. A spray head 16 is communicated at the bottom end of the material barrel 11. A contrast agent is provided in the material barrel 11;
[0026] By providing the fixing plate 10, the material barrel 11, the connecting plate 12, the connecting plate 13, the electric push rod 14, the piston plate 15 and the spray head 16, the material barrel 11 containing the contrast agent is placed in the installation hole of the fixing plate 10. The four sets of connecting plates 12 on the material barrel 11 are cooperatively clamped with the fixing plate 10, so as to fix the material barrel 11. Then, the electric push rod 14 is turned on, and the electric push rod 14 drives the piston plate 15 to slide downward in the material barrel 11. The piston plate 15 then exports the contrast agent in the material barrel 11 to the water surface in the detection box 1 through the spray head 16. If the airbag leaks, the bubbles can be made more obvious and visible.
[0027] As a preference of the above embodiments, it further includes two sets of lighting lamps 17, and the two sets of lighting lamps 17 are respectively installed on the left and right parts of the inner side of the top of the fixing frame 2;
[0028] By providing the lighting lamps 17, strong light illumination can be used in the test area, especially in the case of insufficient light, so that the bubbles can be seen more easily.
[0029] As a preference of the above embodiments, it further includes a camera 18, and the camera 18 is installed in the middle of the inner top of the fixing frame 2;
[0030] By providing the camera 18, the camera 18 is used to record the test process, which is convenient for repeated viewing or team discussion afterwards.
[0031] As a preference of the above embodiments, it further includes multiple sets of limiting plates 19, and the multiple sets of limiting plates 19 are respectively installed on the tops of multiple sets of sliding rods 8;
[0032] By providing the limiting plates 19, the sliding rods 8 can be limited.
[0033] As a preference of the above embodiments, the pressing rod 7 is made of rubber material;
[0034] The rubber material can not only provide good contact, but also will not easily scratch or wear the surface of the airbag.
[0035] A device for detecting the air tightness of an airbag. When it works, first place the inflated airbag in the water inside the detection box 1, and then open the cylinder 3. The cylinder 3 drives the sieve plate 4 to move downward. Under the action of multiple sets of sliding rods 8 and multiple sets of springs 9, multiple sets of pressure rods 7 press the airbag into the sieve frame 6 for limiting. Then the airbag is in full contact with the water for air tightness detection. At the same time, place the material bucket 11 containing the contrast agent in the mounting hole of the fixed plate 10. The four sets of latching plates 12 on the material bucket 11 cooperate with the fixed plate 10 for clamping, so as to fix the material bucket 11. Then open the electric push rod 14. The electric push rod 14 drives the piston plate 15 to slide downward in the material bucket 11. The piston plate 15 exports the contrast agent in the material bucket 11 to the water surface inside the detection box 1 through the nozzle 16. If the airbag leaks, the bubbles can be made more obvious and visible.
[0036] The installation method, connection method or setting method of a device for detecting the air tightness of an airbag of the present utility model are all common mechanical methods, and any method that can achieve its beneficial effects can be implemented; the cylinder 3 and the electric push rod 14 of a device for detecting the air tightness of an airbag of the present utility model are purchased on the market, and those skilled in the art only need to install and operate according to the attached operation manual.
[0037] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.
Claims
1. A device for detecting air tightness of an airbag, characterized in that: The invention comprises a detection box (1), a fixing frame (2), a cylinder (3), a sieve plate (4), four groups of fixing rods (5), a sieve frame (6) and a pressing device, wherein the fixing frame (2) is mounted on the top of the detection box (1), the cylinder (3) is mounted on the middle of the top of the fixing frame (2), the output end of the cylinder (3) passes through the fixing frame (2) and is connected to the middle of the top of the sieve plate (4), the sieve frame (6) is mounted on the bottom of the detection box (1) through the four groups of fixing rods (5), the sieve frame (6) corresponds to the position of the sieve plate (4), and the pressing device is mounted on the sieve plate (4).
2. A device for detecting air tightness of an airbag as claimed in claim 1, characterized in that: The pressing device is configured as a plurality of groups of pressing rods (7) and a plurality of groups of buffer devices, and the plurality of groups of pressing rods (7) are respectively mounted on the screen plate (4) via the plurality of groups of buffer devices.
3. A device for detecting air tightness of an airbag as claimed in claim 2, characterized in that: The buffer device is provided with a slide bar (8) and a spring (9), the top end of the pressure bar (7) is connected with the bottom end of the slide bar (8), the slide bar (8) is slidably connected with the hole on the sieve plate (4), the spring (9) is sleeved on the lower side of the slide bar (8), one end of the spring (9) is connected with the bottom end of the sieve plate (4), and the other end of the spring (9) is connected with the pressure bar (7).
4. A device for detecting air tightness of an airbag as claimed in claim 3, characterized in that: The invention also comprises a fixed plate (10), a material barrel (11), four groups of straps (12), a connecting plate (13), an electric push rod (14) and a piston plate (15). The fixed plate (10) is mounted on the left front side of the top end of the detection box (1). A mounting hole is provided on the fixed plate (10). The material barrel (11) is placed in the mounting hole of the fixed plate (10). The four groups of straps (12) are respectively mounted on the front side, left side, rear side and right side of the outer end of the material barrel (11). The four groups of straps (12) are fitted with the fixed plate (10) by clamping. The connecting plate (13) is mounted on the top end of the material barrel (11). The electric push rod (14) is mounted on the middle part of the top end of the connecting plate (13). The output end of the electric push rod (14) passes through the connecting plate (13) and is connected to the piston plate (15). The piston plate (15) is sealingly and slidably connected to the inside of the material barrel (11). A nozzle (16) is provided at the bottom end of the material barrel (11). A contrast agent is provided in the material barrel (11).
5. A device for detecting air tightness of an airbag as claimed in claim 4, characterized in that: It also includes two groups of lighting lamps (17), which are respectively installed on the left and right parts of the inner side of the top end of the fixing frame (2).
6. A device for detecting air tightness of an airbag as claimed in claim 5, characterized in that: It also includes a camera (18), which is installed in the middle of the top end of the fixing frame (2).
7. A device for detecting air tightness of an airbag as claimed in claim 6, characterized in that: It also includes a plurality of groups of limit plates (19), which are respectively installed on the top ends of the plurality of groups of slide bars (8).
8. A device for detecting air tightness of an airbag as claimed in claim 7, characterized in that: The pressure rod (7) is made of rubber material.