CN212364601U - Concave step adapter - Google Patents
Concave step adapter Download PDFInfo
- Publication number
- CN212364601U CN212364601U CN202020650549.6U CN202020650549U CN212364601U CN 212364601 U CN212364601 U CN 212364601U CN 202020650549 U CN202020650549 U CN 202020650549U CN 212364601 U CN212364601 U CN 212364601U
- Authority
- CN
- China
- Prior art keywords
- adapter
- pipe fitting
- different diameters
- matched
- main body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000003044 adaptive effect Effects 0.000 claims abstract description 17
- 230000007704 transition Effects 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 14
- 229920001296 polysiloxane Polymers 0.000 claims 3
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 229920002379 silicone rubber Polymers 0.000 claims 1
- 239000004945 silicone rubber Substances 0.000 claims 1
- 230000006978 adaptation Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 8
- 238000012545 processing Methods 0.000 abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 11
- 239000000741 silica gel Substances 0.000 description 11
- 229910002027 silica gel Inorganic materials 0.000 description 11
- 238000001514 detection method Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005025 nuclear technology Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model relates to a concave step adapter, which comprises a main body; one end of the main body is provided with a step surface matched with the adaptive pipe fitting, and the other end of the main body can be connected with the transition pipe; the step surface comprises steps with different diameters which are concentrically arranged, and the steps with different diameters are matched with the adaptive pipe fittings with different diameters; the step diameters of the step surfaces are sequentially reduced along the direction far away from the adaptive pipe fitting; the adaptive pipe fitting extends into a concave surface formed by the step surface and is matched with the step with the corresponding diameter. The utility model has the advantages as follows: the utility model discloses can effectively utilize the step face bearing through the adaptation pipe fitting of the different diameters of concave step face adaptation, avoid the lifting in-process to cause the influence to the pipe fitting internal surface, can reduce measuring error. The utility model discloses a concave step adapter low cost, easily processing can reduce the cost of measuring alpha pollution pipeline, have better high lift, length elasticity performance, and operation method is simple, has very strong practicality.
Description
Technical Field
The utility model belongs to the radiometry field, concretely relates to concave step adapter.
Background
Along with the development of nuclear technology and the gradual development of nuclear decommissioning work in China, the requirement for measuring alpha surface pollution (such as the inner surface of a small-diameter long pipeline) which is not easy to approach in radioactive measurement is more and more urgent, and the long-distance alpha pollution detection technology has attracted high attention as a new alpha pollution measurement method.
In experimental research, pollution detection needs to be carried out on nuclear decommissioning facility pipelines. Because the pipeline diameter is various, when examining, have to design a pipeline adapter, ensure that measuring equipment can both measure the pipeline of certain range diameter to guarantee to have better gas tightness, among the current prior art, do not have the adapter that can be applicable to different pipe diameters.
In view of this, the present invention is especially provided.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model aims at providing a concave step adapter can with the adaptation pipe fitting adaptation of different diameters, cooperation lifting equipment lifting avoids causing the damage to the adaptation pipe fitting at the lifting in-process.
The technical scheme of the utility model as follows:
a female step adapter comprising a body; one end of the main body is provided with a step surface matched with the adaptive pipe fitting, and the other end of the main body can be connected with the transition pipe; the step surface comprises steps with different diameters which are concentrically arranged, and the steps with different diameters are matched with the adaptive pipe fittings with different diameters; the step diameters of the step surfaces are sequentially reduced along the direction far away from the adaptive pipe fitting; the adaptive pipe fitting extends into a concave surface formed by the step surface and is matched with the step with the corresponding diameter.
Further, in the concave step adapter, the step surface is covered with the sealing layer.
Further, in the concave step adapter, the sealing layer is an elastic sealing layer.
Further, in the concave step adapter, the elastic sealing layer is made of silica gel.
Further, in the concave step adapter, the silica gel is silica gel with gum.
Further, in the concave step adapter, the thickness of the silica gel is 4-6 mm.
Further, in the concave step adapter, the main body is partially hollowed.
Further, foretell concave step adapter, the main part is connected with the transition pipe through fast-assembling clamp.
The utility model has the advantages as follows:
the utility model discloses can effectively utilize the step face bearing through the adaptation pipe fitting of the different diameters of concave step face adaptation, avoid the lifting in-process to cause the influence to the pipe fitting internal surface, can reduce measuring error. The utility model discloses a concave step adapter low cost, easily processing can reduce the cost of measuring alpha pollution pipeline, have better high lift, length elasticity performance, and operation method is simple, has very strong practicality.
Drawings
Fig. 1 is a schematic structural diagram of the concave step adapter of the present invention.
In the above drawings, 1, a main body; 2. a step surface; 3. a transition duct; 4. and (6) quickly mounting a hoop.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
When the detection test of the alpha-polluted pipeline is performed, the detection can be performed after the pollution inside the pipeline is blown out by using a blower. This process requires the alpha-contaminated pipe (adapter pipe) to be lifted to the appropriate height using a lifting device. To be used with a lifting device, an adapter is required to lift the adapter tube. If a combination of inserting the adapter into the fitting is used, the accuracy of the measurement may be compromised by the adapter contacting the inner surface of the fitting.
As shown in fig. 1, the present invention provides a concave step adapter, comprising a main body 1; one end of the main body is provided with a step surface 2 matched with the adaptive pipe fitting, and the other end of the main body can be connected with a transition pipe 3; the step surface comprises steps with different diameters which are concentrically arranged, and the steps with different diameters are matched with the adaptive pipe fittings with different diameters; the step diameters of the step surfaces are sequentially reduced along the direction far away from the adaptive pipe fitting; the adaptive pipe fitting extends into a concave surface formed by the step surface and is matched with the step with the corresponding diameter.
In order to further avoid radioactive contamination leakage during measurement, the step surface is covered with a sealing layer. When fitting, the sealing layer forms a seal with the fitting under a suitable pressure. Meanwhile, in order to avoid the damage of the adaptive pipe fitting caused by excessive pressure, the sealing layer is an elastic sealing layer, and preferably silica gel. The silica gel can be silica gel with gum, so that the assembly is convenient; the thickness of the silica gel is 4-6mm, preferably 5 mm.
In order to reduce the weight of the adapter, the body is partially hollowed out. The main part is connected with the transition pipe 3 through a fast-assembling clamp 4.
The utility model discloses can effectively utilize the step face bearing through the adaptation pipe fitting of the different diameters of concave step face adaptation, avoid the lifting in-process to cause the influence to the pipe fitting internal surface, can reduce measuring error. The utility model discloses a concave step adapter low cost, easily processing can reduce the cost of measuring alpha pollution pipeline, have better high lift, length elasticity performance, and operation method is simple, has very strong practicality.
Examples
This embodiment also provides an example of a concave step adapter, the material of the main body is plain carbon steel Q235 and silica gel. The metal material needs to be turned, milled and formed, the step is appropriately hollowed out at the back to reduce the weight, and the silica gel is of a type with gum. And silica gel with the thickness of 5mm is adhered to the step surface of the main body so as to ensure the connection tightness of the concave step adapter and the alpha pollution pipeline.
When the alpha pollution pipeline is measured, the two concentric concave step adapters are symmetrically placed at first, a proper distance is pulled, the alpha pollution pipeline is placed in the middle and at the position coaxial with the concave step adapters, and then the alpha pollution pipeline, the concave step adapters and the alpha pollution pipeline are tightly attached to apply certain pressure so as to meet the sealing requirement. The structural assembly
The alpha pollutes the pipeline, and the contact part has good sealing performance. Alpha particles in the alpha pollution pipeline are extracted by the air extractor, so that the alpha pollution pipeline is convenient to detect and easy to disassemble and assemble.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to encompass such modifications and variations.
Claims (8)
1. A female step adapter comprising a body; one end of the main body is provided with a step surface matched with the adaptive pipe fitting, and the other end of the main body can be connected with the transition pipe; the step surface comprises steps with different diameters which are concentrically arranged, and the steps with different diameters are matched with the adaptive pipe fittings with different diameters; the step diameters of the step surfaces are sequentially reduced along the direction far away from the adaptive pipe fitting; the adaptive pipe fitting extends into a concave surface formed by the step surface and is matched with the step with the corresponding diameter.
2. The female step adapter as claimed in claim 1, wherein said step face is covered with a sealing layer.
3. The female step adapter as claimed in claim 2, wherein said sealing layer is an elastomeric sealing layer.
4. The female step adapter as claimed in claim 3, wherein said elastomeric sealing layer is silicone.
5. The recessed step adapter of claim 4, wherein the silicone is a silicone with an adhesive backing.
6. The female step adapter as claimed in claim 4, wherein said silicone rubber is 4-6mm thick.
7. The female step adapter as claimed in any one of claims 1-6, wherein said body is partially hollowed out.
8. The female step adapter as claimed in any one of claims 1-6, wherein said body is connected to the transition duct by a snap-fit clip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020650549.6U CN212364601U (en) | 2020-04-26 | 2020-04-26 | Concave step adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020650549.6U CN212364601U (en) | 2020-04-26 | 2020-04-26 | Concave step adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212364601U true CN212364601U (en) | 2021-01-15 |
Family
ID=74134048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020650549.6U Active CN212364601U (en) | 2020-04-26 | 2020-04-26 | Concave step adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212364601U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116917697A (en) * | 2021-02-26 | 2023-10-20 | 美蓓亚三美株式会社 | Magnetic detection device and absolute encoder |
-
2020
- 2020-04-26 CN CN202020650549.6U patent/CN212364601U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116917697A (en) * | 2021-02-26 | 2023-10-20 | 美蓓亚三美株式会社 | Magnetic detection device and absolute encoder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206772502U (en) | A kind of adapter plugging meter device for pressure-bearing class special equipment | |
| CN102121865B (en) | SF6 gas leak detection gas detector | |
| CN212364601U (en) | Concave step adapter | |
| CN212379579U (en) | Convex step adapter | |
| CN108871689A (en) | A kind of high sensitivity vacuum leak detector | |
| CN214621639U (en) | Air leakage detection device for air duct airtight system | |
| CN217084492U (en) | A strength detection device for pressure pipeline design | |
| CN113865809B (en) | Valve tightness test device | |
| CN210295924U (en) | Double-shell type nuclear power station shell concrete leakage rate measuring device | |
| CN105928667A (en) | Non-enclosed body leakage detection method and apparatus | |
| CN213018324U (en) | Tapered stepless adjusting adapter | |
| CN111091918B (en) | A neutron flux tube inspection integrated device | |
| CN207318026U (en) | A kind of fire protection pipeline air-tightness detection device of adjustable aperture size | |
| CN212721964U (en) | Gas pipeline sealing detection device with scale | |
| CN217653639U (en) | Petroleum pipeline ultrasonic detection fixing device | |
| CN211951767U (en) | Sampling head gas circuit connection structure of quick plug mode | |
| CN211602299U (en) | A sealing tool for pipeline leak detection | |
| CN211855730U (en) | A device for measuring air duct tightness | |
| CN212458815U (en) | Tightness detection device | |
| CN111929003B (en) | A gas pipeline tightness test device | |
| CN209539429U (en) | Two-tube vehicle exhaust switching tooling | |
| CN212229040U (en) | Clamping device for processing and detecting standing wave tester | |
| CN205748800U (en) | Pipe flange gas leak detection apparatus | |
| CN220170469U (en) | Pressure pipeline inspection device | |
| CN207717299U (en) | A kind of flange installing type valve leak amount detecting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |