CN220040340U - Gas cylinder inner wall crack detection device - Google Patents
Gas cylinder inner wall crack detection device Download PDFInfo
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- CN220040340U CN220040340U CN202321179732.2U CN202321179732U CN220040340U CN 220040340 U CN220040340 U CN 220040340U CN 202321179732 U CN202321179732 U CN 202321179732U CN 220040340 U CN220040340 U CN 220040340U
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- rod
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- crack detection
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- detection device
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- 238000001514 detection method Methods 0.000 title claims abstract description 52
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000006247 magnetic powder Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 244000309464 bull Species 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model discloses a crack detection device for the inner wall of a gas cylinder, which relates to the technical field of gas cylinder detection and comprises a control rod, a hollow rod and a rotating rod, wherein the end part of the control rod is fixedly connected with a rotating shaft; the hollow rod is sleeved on the outer side of the control rod, and a containing cavity matched with the diameter of the rotating rod is formed in the end portion of the hollow rod. The utility model has the advantages of simple and convenient entering of the gas cylinder, simple structure and convenient control, and can be suitable for crack detection of gas cylinders with different diameters.
Description
Technical Field
The utility model relates to the technical field of gas cylinder detection, in particular to a gas cylinder inner wall crack detection device.
Background
Because the bottle mouth of the gas bottle is small, the diameter of the bottle body is large, and the bottle body is long. At present, an external detection method is mainly adopted in the prior art, such as magnetic powder detection and ultrasonic detection, but the magnetic powder detection can only detect defects on the outer surface of the bottle body, and the external ultrasonic detection has poor effects on linear defects and pitting defects of the inner wall. Although visual inspection is performed by using an endoscope, the inspection effect is general due to factors such as imaging quality and contamination of the inner wall. In addition, the damage of the gas cylinder mainly comes from the inside, firstly, the erosion of harmful media in the media to the materials; secondly, the hoop stress of the inner wall is the greatest, so that the failure of the device mainly occurs on the inner wall.
In China, patent application number: CN201210244217.8 discloses an auxiliary device for ultrasonic flaw detection in a gas cylinder, which comprises a sleeve component, the other end of the sleeve component is provided with a vent hole communicated with the inner cavity of the sleeve component, the inner cavity of the sleeve component is provided with a compression spring, one end of the compression spring is fixed at one end of the sleeve component, which is close to the hinge shaft, the other end of the compression spring is connected with a positioning block, the positioning block is slidably arranged in the inner cavity of the sleeve component, and a positioning rope is arranged on the positioning block. In order to facilitate the detection mechanism to enter and exit the gas cylinder, the ultrasonic probe connecting piece is hinged with the sleeve assembly, and the ultrasonic probe connecting piece is controlled to rotate through the compression spring and the positioning rope, so that the control structure is complex, and the control is inconvenient; the length of the ultrasonic probe connecting piece cannot be adjusted, so that the ultrasonic probe connecting piece is inconvenient to be suitable for gas cylinders with different diameters.
Therefore, it is necessary to provide a crack detection device for the inner wall of a gas cylinder to solve the above problems.
Disclosure of Invention
(one) solving the technical problems
The utility model aims at: the utility model provides the gas cylinder inner wall crack detection device which has a simple structure and is convenient to control and suitable for detecting cracks of gas cylinders with different diameters.
(II) technical scheme
The utility model adopts the following technical scheme for realizing the purposes:
the utility model provides a gas cylinder inner wall crack detection device, includes control pole, hollow core pole and rotary rod, the tip fixedly connected with pivot of control pole, the bar hole has been seted up to the one end slope of rotary rod relative to the length direction of rotary rod, the pivot runs through the rotary rod through the bar hole, the other end fixedly connected with crack detection mechanism of rotary rod, the tip outside of control pole cup joints and is used for driving rotary rod pivoted spring and movable sleeve, one side of movable sleeve rotates with the tip of rotary rod and is connected;
the hollow rod is sleeved on the outer side of the control rod, and a containing cavity matched with the diameter of the rotating rod is formed in the end portion of the hollow rod.
Through adopting above-mentioned technical scheme, at shrink state rotary rod and control pole collineation to it stretches into in the gas cylinder, after entering the gas cylinder, stretches out from accomodating the chamber through control pole relative hollow core pole slip control rotary rod, and the spring is rotated through movable sleeve promotion rotary rod, makes crack detection mechanism just to the gas cylinder inner wall, so that carries out crack detection.
Further, a threading hole is formed in the middle of the control rod.
Through adopting above-mentioned technical scheme, set up the through wires hole so that crack detection mechanism passes through the data line and communicates with the external world.
Further, an extension rod is arranged on one side of the movable sleeve, and the extension rod is rotationally connected with the end part of the rotary rod.
Through adopting above-mentioned technical scheme, set up the extension pole and avoid the movable sleeve to move to the in-process of limit state, its terminal surface and rotary rod contact influence the relative control pole rotation of rotary rod.
Further, in the detection state, the rotating shaft is positioned at one end of the strip-shaped hole close to the extension rod.
Through adopting above-mentioned technical scheme, this state movable sleeve is by the spring promotion slip to slidable limit state, and the pivot slides to the one end in bar hole simultaneously, makes it more stable in the testing process.
Further, in the storage state, the control rod is collinear with the rotary rod, and the rotary shaft is located at one end of the strip-shaped hole far away from the extension rod.
Through adopting above-mentioned technical scheme, this state accomodates the chamber and carries out spacingly to rotatory bull stick, avoids its rotation to crack detection mechanism business turn over gas cylinder.
Further, the rotary rod comprises a first threaded rod, a second threaded rod and a threaded cylinder, the directions of the threads of the first threaded rod and the second threaded rod are opposite, and the first threaded rod and the second threaded rod are in threaded connection with the threaded cylinder.
Through adopting above-mentioned technical scheme, set up first threaded rod, screw thread section of thick bamboo and second threaded rod to according to the length of diameter adjustment swivelling lever of gas cylinder, ensure that crack detection mechanism is in suitable detection interval with the gas cylinder inner wall.
Further, one end of the second threaded rod adjacent to the first threaded rod is fixedly connected with a limiting rod, a limiting hole matched with the limiting rod is formed in the inner side of the first threaded rod, and the cross section of the limiting rod is non-circular.
Through adopting above-mentioned technical scheme, under spacing hole and gag lever post's mutual spacing, avoid first threaded rod and second threaded rod relative rotation, make it through rotatory screw thread section of thick bamboo can adjust the length of swivelling lever.
Further, the outside of hollow pole has cup jointed spacing sleeve, spacing sleeve and the bottleneck threaded connection of gas cylinder.
Through adopting above-mentioned technical scheme, set up spacing sleeve and be connected its with the gas cylinder bottleneck, spacing sleeve can carry out auxiliary stay to the hollow core pole.
(III) beneficial effects
The beneficial effects of the utility model are as follows:
1. according to the utility model, the rotating rod can be controlled to rotate and store through the control rod by arranging the spring, the movable sleeve and the storage cavity, and the structure is simple and the control is convenient.
2. According to the utility model, the length of the rotating rod is adjustable by arranging the first threaded rod, the second threaded rod and the threaded cylinder, so that the distance between the crack detection mechanism and the inside of the gas cylinder is controlled, and the crack detection mechanism is applicable to gas cylinders with different diameters.
3. According to the utility model, the limit sleeve is arranged, and can assist in supporting and limiting the hollow rod, so that the distance between the crack detection mechanism and the inner wall of the gas cylinder is more convenient to control.
Drawings
FIG. 1 is a schematic view of the structure of the present utility model in use;
FIG. 2 is a schematic perspective view of the structure of the present utility model;
FIG. 3 is a schematic cross-sectional view of the structure of the present utility model;
FIG. 4 is a perspective view showing a rotary rod accommodating state of the present utility model;
FIG. 5 is a schematic cross-sectional view showing a rotary rod storage state of the present utility model;
FIG. 6 is a schematic cross-sectional view of a rotary lever for detecting a state according to the present utility model.
Reference numerals: 1. a control lever; 2. a limit sleeve; 3. a hollow rod; 4. a rotating rod; 5. a crack detection mechanism; 6. a storage chamber; 7. a threading hole; 8. a spring; 9. a movable sleeve; 10. a bar-shaped hole; 11. a rotating shaft; 14. a first threaded rod; 15. a limiting hole; 16. a limit rod; 17. a thread cylinder; 18. a second threaded rod; 20. and (3) a gas cylinder.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-6, a crack detection device for an inner wall of a gas cylinder comprises a control rod 1, a hollow rod 3 and a rotating rod 4, wherein a rotating shaft 11 is fixedly connected to the end part of the control rod 1, a strip-shaped hole 10 is obliquely formed in one end of the rotating rod 4 relative to the length direction of the rotating rod 4, the rotating shaft 11 penetrates through the rotating rod 4 through the strip-shaped hole 10, a crack detection mechanism 5 is fixedly connected to the other end of the rotating rod 4, a spring 8 and a movable sleeve 9 for driving the rotating rod 4 to rotate are sleeved on the outer side of the end part of the control rod 1, and one side of the movable sleeve 9 is rotatably connected with the end part of the rotating rod 4;
the hollow rod 3 is sleeved on the outer side of the control rod 1, and a containing cavity 6 matched with the diameter of the rotary rod 4 is formed in the end portion of the hollow rod 3.
Preferably, the middle part of the control rod 1 is provided with a threading hole 7.
Preferably, an extension rod is arranged on one side of the movable sleeve 9, and the extension rod is rotatably connected with the end part of the rotary rod 4.
In the detection state, the rotating shaft 11 is positioned at one end of the strip-shaped hole 10 close to the extension rod.
In the storage state, the control rod 1 is collinear with the rotary rod 4, and the rotary shaft 11 is positioned at one end of the strip-shaped hole 10 far away from the extension rod.
The crack detection mechanism 5 is a conventional non-contact flaw detection device.
In this embodiment, the detection flow is as follows: the rotary rod 4 is inserted into the gas cylinder 20, the limit sleeve 2 is in threaded connection with the opening of the gas cylinder 20, then the control rod 1 is pushed, the rotary rod 4 is pushed out of the storage cavity 6, the spring 8 pushes the movable sleeve 9 to slide to the limit position along the control rod 1, meanwhile, the movable sleeve 9 drives the rotary rod 4 to rotate, the crack detection mechanism 5 faces the inner wall of the gas cylinder 20, and the crack detection mechanism 5 is controlled to move and rotate through the control rod 1, so that the crack detection mechanism can detect different positions of the inner wall of the gas cylinder 20.
When taking out, pulling the control rod 1, pulling the tip of rotary rod 4 into accomodating the chamber 6, the tip of rotary rod 4 laminates with accomodating the inner wall in chamber 6 mutually, under accomodating the spacing in chamber 6, makes rotary rod 4 and control rod 1 collineation, then unscrews spacing sleeve 2, can take it out from gas cylinder 20, and the bar hole 10 of slope can avoid accomodating the state, and spring 8 is with the rotary rod 4 from accomodating the chamber 6 release.
Example 2
Referring to fig. 6, this embodiment is further optimized based on embodiment 1, specifically, the rotary rod 4 includes a first threaded rod 14, a second threaded rod 18 and a threaded cylinder 17, the threads of the first threaded rod 14 and the second threaded rod 18 are opened in opposite directions, and the first threaded rod 14 and the second threaded rod 18 are both in threaded connection with the threaded cylinder 17.
Specifically, one end of the second threaded rod 18 adjacent to the first threaded rod 14 is fixedly connected with a limiting rod 16, a limiting hole 15 matched with the limiting rod 16 is formed in the inner side of the first threaded rod 14, and the cross section of the limiting rod 16 is non-circular.
In this embodiment, the first threaded rod 14, the second threaded rod 18 and the threaded cylinder 17 are provided, and the limit rod 16 and the limit hole 15 are provided to prevent the first threaded rod 14 and the second threaded rod 18 from rotating relatively, so that the length of the rotary rod 4 can be adjusted by rotating the threaded cylinder.
Example 3
Referring to fig. 1, the present embodiment is optimized based on example 1, specifically, a limiting sleeve 2 is sleeved on the outer side of the hollow rod 3, and the limiting sleeve 2 is in threaded connection with the bottle mouth of the gas bottle 20.
In this embodiment, through setting up spacing sleeve 2, spacing sleeve 2 can carry out auxiliary stay spacing to hollow pole 3, makes crack detection mechanism 5 and the interval control of gas cylinder 20 inner wall more convenient.
To sum up: according to the utility model, the rotating rod 4 can be controlled to rotate and be stored by sliding the control rod 1 relative to the hollow rod 3 so as to enter and exit the gas cylinder 20; the distance between the crack detection mechanism 5 and the inside of the gas cylinder 20 can be controlled by adjusting the length of the rotary rod 4, so that the crack detection mechanism can be suitable for the gas cylinders 20 with different diameters; the spacing between the crack detection mechanism 5 and the inner wall of the gas cylinder 20 is controlled more conveniently under the action of the limit sleeve 2.
The present utility model is not limited to the preferred embodiments, but the patent protection scope of the utility model is defined by the claims, and all equivalent structural changes made by the specification and the drawings are included in the scope of the utility model.
Claims (8)
1. The utility model provides a gas cylinder inner wall crack detection device, includes control rod (1), hollow core pole (3) and rotary rod (4), its characterized in that: the end part of the control rod (1) is fixedly connected with a rotating shaft (11), one end of the rotating rod (4) is obliquely provided with a strip-shaped hole (10) relative to the length direction of the rotating rod (4), the rotating shaft (11) penetrates through the rotating rod (4) through the strip-shaped hole (10), the other end of the rotating rod (4) is fixedly connected with a crack detection mechanism (5), the outer side of the end part of the control rod (1) is sleeved with a spring (8) and a movable sleeve (9) which are used for driving the rotating rod (4) to rotate, and one side of the movable sleeve (9) is rotatably connected with the end part of the rotating rod (4);
the hollow rod (3) is sleeved on the outer side of the control rod (1), and a containing cavity (6) with the diameter matched with that of the rotary rod (4) is formed in the end portion of the hollow rod (3).
2. The gas cylinder inner wall crack detection device according to claim 1, wherein: the middle part of the control rod (1) is provided with a threading hole (7).
3. The gas cylinder inner wall crack detection device according to claim 1, wherein: an extension rod is arranged on one side of the movable sleeve (9), and the extension rod is rotationally connected with the end part of the rotary rod (4).
4. A gas cylinder inner wall crack detection device as defined in claim 3, wherein: in the detection state, the rotating shaft (11) is positioned at one end of the strip-shaped hole (10) close to the extension rod.
5. A gas cylinder inner wall crack detection device as defined in claim 3, wherein: in the storage state, the control rod (1) is collinear with the rotary rod (4), and the rotary shaft (11) is positioned at one end of the strip-shaped hole (10) far away from the extension rod.
6. The gas cylinder inner wall crack detection device according to claim 1, wherein: the rotary rod (4) comprises a first threaded rod (14), a second threaded rod (18) and a threaded cylinder (17), the directions of the threads of the first threaded rod (14) and the second threaded rod (18) are opposite, and the first threaded rod (14) and the second threaded rod (18) are in threaded connection with the threaded cylinder (17).
7. The gas cylinder inner wall crack detection device according to claim 6, wherein: one end of the second threaded rod (18) adjacent to the first threaded rod (14) is fixedly connected with a limiting rod (16), a limiting hole (15) matched with the limiting rod (16) is formed in the inner side of the first threaded rod (14), and the cross section of the limiting rod (16) is non-circular.
8. The gas cylinder inner wall crack detection device according to claim 1, wherein: the outside of hollow core pole (3) has cup jointed spacing sleeve (2), the bottleneck threaded connection of spacing sleeve (2) and gas cylinder (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321179732.2U CN220040340U (en) | 2023-05-16 | 2023-05-16 | Gas cylinder inner wall crack detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321179732.2U CN220040340U (en) | 2023-05-16 | 2023-05-16 | Gas cylinder inner wall crack detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220040340U true CN220040340U (en) | 2023-11-17 |
Family
ID=88734363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321179732.2U Active CN220040340U (en) | 2023-05-16 | 2023-05-16 | Gas cylinder inner wall crack detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220040340U (en) |
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2023
- 2023-05-16 CN CN202321179732.2U patent/CN220040340U/en active Active
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