CN208654090U - A kind of steam generator heat-transfer pipe vortex inspection probe automatic calibration device - Google Patents
A kind of steam generator heat-transfer pipe vortex inspection probe automatic calibration device Download PDFInfo
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- CN208654090U CN208654090U CN201821011843.1U CN201821011843U CN208654090U CN 208654090 U CN208654090 U CN 208654090U CN 201821011843 U CN201821011843 U CN 201821011843U CN 208654090 U CN208654090 U CN 208654090U
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- automatic calibration
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Abstract
The utility model belongs to in-service nuclear power station Examined effect field, more particularly to a kind of steam generator heat-transfer pipe vortex inspection probe automatic calibration device, it include: automatic calibration device main body, fixed locking block, lock-screw and calibrating tube, one end of the automatic calibration device main body is provided with semi-circular recesses A, and the fixed locking block is arranged on semicircle groove A by lock-screw；The other end of the automatic calibration device main body is provided with cylindrical hole along apparatus main body width direction, and the calibrating tube penetrates in cylindrical hole.The technical issues of the utility model must be by manually demarcating during solving nuclear power station steam generator heat-transfer pipe vortex inspection.
Description
Technical field
The utility model belongs to in-service nuclear power station Examined effect field, and in particular to a kind of steam generator heat-transfer pipe vortex
Check probe automatic calibration device.
Background technique
It needs to carry out automatic eddy current inspection to steam generator heat-transfer pipe during nuclear power unit shutdown, during which eddy current probe must
Secondary calibration must periodically be carried out.Using calibration mode manually, not only speed is slow, increases manually-operated workload, and
Since there are nuclear radiation for working environment, personnel's radioactive dose and immobilization of radioactive waste discharge amount are also increased.
Therefore it needs to develop a kind of steam generator heat-transfer pipe vortex inspection probe automatic calibration device, realizes automatic mark
It is fixed, it avoids staff from entering radiation environment and is operated manually, reduce the time of workload and the consuming of manual proving operation, mention
Height checks efficiency.
Utility model content
The utility model aim is to design a kind of steam generator heat-transfer pipe vortex inspection in view of the above shortcomings of the prior art
An automatic calibration device is nosed into, it must be by manually demarcating during solving nuclear power station steam generator heat-transfer pipe vortex inspection
The technical issues of.
The technical solution of the utility model is:
A kind of steam generator heat-transfer pipe vortex inspection probe automatic calibration device, comprising: automatic calibration device main body is consolidated
Determine latch segment, lock-screw and calibrating tube, one end of the automatic calibration device main body is provided with semi-circular recesses A, the fixation
Latch segment is arranged on semicircle groove A by lock-screw；The other end of the automatic calibration device main body is wide along apparatus main body
Degree direction is provided with cylindrical hole, and the calibrating tube penetrates in cylindrical hole.
Automatic calibration device main body as described above is right angle plate profile structure, and the surface the semi-circular recesses A is symmetrically arranged with
Two threaded holes, for screwing in lock-screw.
Aperture of cylindrical through hole as described above is outer through matching with calibrating tube；Cylindrical hole axial direction side fluting shape
At opening through-hole；Automatic calibration device body end reserves extended segment, applies pressure when for installing calibrating tube on extended segment
Power expands cylindrical hole.
The side of fixed locking block as described above is equipped with semi-circular recesses B, semi-circular recesses B internal diameter and semicircle groove
A internal diameter is consistent；The semi-circular recesses B surface is arranged symmetrically, and there are two through-hole, the lead to the hole site and semi-circular recesses A
Upper screwed hole location matches；Lock-screw passes through the through-hole on fixed locking block and screws in semi-circular recesses A upper screwed hole.
Automatic calibration device main body as described above is resin material.
The beneficial effects of the utility model are: a kind of steam generator heat-transfer pipe vortex inspection of the utility model design is visited
Head automatic calibration device, avoids staff and enters radiation environment and carry out manual proving operation, while when reducing calibration and expending
Between, improve inspection efficiency.Using the automatic calibration device, completing the inspection of separate unit horizontal steam generator heat-transfer pipe vortex can subtract
When workload 40 is artificial less, about 2.4 people mSv of personnel's collective dose is reduced, radioactive solid waste is reduced and discharges about 0.4m3.
Detailed description of the invention
Fig. 1 is that a kind of probe automatic calibration device of steam generator heat-transfer pipe vortex inspection designed by the utility model shows
It is intended to；
Fig. 2 is a kind of steam generator heat-transfer pipe vortex inspection probe automatic calibration device installation designed by the utility model
Schematic diagram；
Fig. 3 is a kind of steam generator heat-transfer pipe vortex inspection probe automatic calibration device installation designed by the utility model
Top view.
In figure: 1. automatic calibration device main bodys, 2. fixed locking blocks, 3. lock-screws, 4. calibrating tubes, 5. eddy current inspections are set
Standby support base column, 6. eddy current inspection apparatus support base disks.
Specific embodiment
The utility model technology is described further below:
A kind of automatic calibration device as shown in Figure 1-3, steam generator heat-transfer pipe vortex inspection is popped one's head in, comprising: automatic mark
Determine apparatus main body 1, fixed locking block 2, lock-screw 3 and calibrating tube 4, one end of the automatic calibration device main body 1 is provided with half
Circular groove A, the fixed locking block 2 are arranged on semicircle groove A by lock-screw 3；The automatic calibration device main body 1
The other end be provided with cylindrical hole along apparatus main body width direction, the calibrating tube 4 penetrates in cylindrical hole.
The automatic calibration device main body 1 be right angle plate profile structure, the surface the semi-circular recesses A be symmetrical arranged there are two
Threaded hole, for screwing in lock-screw 3.
The aperture of cylindrical through hole is outer through matching with calibrating tube 4；It slots to be formed in cylindrical hole axial direction side
Opening through-hole；Extended segment is reserved in 1 end of automatic calibration device main body, applies pressure when for installing calibrating tube 4 on extended segment
Power expands cylindrical hole.
The side of the fixed locking block 2 is equipped with semi-circular recesses B, in semi-circular recesses B internal diameter and semicircle groove A
Diameter size is consistent；The semi-circular recesses B surface is symmetrical arranged there are two through-hole, on the lead to the hole site and semi-circular recesses A
Threaded hole location matches；Lock-screw 3 passes through the through-hole on fixed locking block 2 and screws in semi-circular recesses A upper screwed hole.It is described
Automatic calibration device main body 1 is resin material.
A kind of installation method of steam generator heat-transfer pipe vortex inspection probe automatic calibration device, including following step
It is rapid:
Step 1: calibrating tube 4 is penetrated in cylindrical hole prefabricated in automatic calibration device main body 1；Back out two locks
Tight screw 3, separates fixed locking block 2 with automatic calibration device main body 1.
Step 2: automatic calibration device is passed through into the semi-circular recesses on fixed locking block 2 and automatic calibration device main body 1
A is fastened on eddy current inspection apparatus support base column 5, is screwed into lock-screw 3；The semi-circular recesses B internal diameter, semi-circular recesses
A internal diameter matches with 5 outer diameter of eddy current inspection apparatus support base column.
Step 3: height of the entire automatic calibration device on eddy current inspection apparatus support base column 5 is adjusted, calibrating tube is made
4 height satisfies the use demand
Step 4: it is that axis rotates automatic calibration device with eddy current inspection apparatus support base column 5, makes the axis of calibrating tube 4
Direction and the tangent line of eddy current inspection apparatus support base disk 6 are perpendicular, guarantee that the extended line of 4 longitudinal center line of calibrating tube passes through whirlpool
Stream checks the central point of equipment support base disk 6.
Step 5: the length that adjustment calibrating tube 4 stretches out in cylindrical hole is located at eddy current inspection apparatus support base
The end of 7 inner circle side of disk is in be sent into the position of eddy current testing probe, completes installation.
The utility model design automatic calibration device feature be: (1) main body 1 of the present apparatus be right angle plate profile structure, one
There is opening semi-circular recesses A at end, when installation can with check that equipment support post 5 is good fit.The two sides semi-circular recesses A respectively have one
A threaded hole, for screwing in lock-screw 3.Other end is drilled with cylindrical hole in the width direction, and aperture and calibrating tube 4 can shapes
At tight fit.Through-hole side slots to form opening through-hole, and extended segment is reserved in end, is extending when for installing calibrating tube 4
Applying pressure in section expands through-hole, passes through and adjust position convenient for calibrating tube 4.(2) there is opening semicircle in 2 side of fixed locking block
Respectively there are a through-hole in the two sides connected in star B, semi-circular recesses B, and lock-screw 3 passes through the through-hole and screws in automatic calibration device when installation
In threaded hole in main body 1, locking function is realized.(3) based on the electromagnetic induction principle of EDDY CURRENT, to avoid automatic Calibration from filling
It sets and demarcation signal is had an impact, automatic calibration device main body 1 should be made using resin material.(4) lock-screw 3 should have enough
Length, screw cap has decorative pattern convenient for screwing operations.(5) after automatic calibration device installation, it should ensure that 4 axial centre of calibrating tube
The extended line of line passes through 6 central point of equipment support base disk.(6) equipment is checked by remote operation, eddy current testing probe is sent
Enter calibrating tube 4 and completes automatic Calibration.
The utility model is explained in detail above in conjunction with embodiment, but the utility model is not limited to above-mentioned implementation
Example, within the knowledge of a person skilled in the art, can also be in the premise for not departing from the utility model aims
It is lower that various changes can be made.The content being not described in detail in the utility model can use the prior art.
Claims (5)
- The automatic calibration device 1. a kind of steam generator heat-transfer pipe vortex inspection is popped one's head in, it is characterised in that: include: automatic Calibration dress Set main body (1), fixed locking block (2), lock-screw (3) and calibrating tube (4), one end of the automatic calibration device main body (1) It is provided with semi-circular recesses A, the fixed locking block (2) is arranged on semicircle groove A by lock-screw (3)；The automatic mark The other end for determining apparatus main body (1) is provided with cylindrical hole along apparatus main body width direction, and the calibrating tube (4) penetrates cylinder In through-hole.
- The automatic calibration device 2. a kind of steam generator heat-transfer pipe vortex inspection as described in claim 1 is popped one's head in, feature exist In: the automatic calibration device main body (1) is right angle plate profile structure, and the surface the semi-circular recesses A is arranged symmetrically, and there are two spiral shells Pit, for screwing in lock-screw (3).
- The automatic calibration device 3. a kind of steam generator heat-transfer pipe vortex inspection as described in claim 1 is popped one's head in, feature exist In: the aperture of cylindrical through hole is with calibrating tube (4) outside through matching；It slots to form opening in cylindrical hole axial direction side Type through-hole；Extended segment is reserved in automatic calibration device main body (1) end, applies pressure when for installing calibrating tube (4) on extended segment Power expands cylindrical hole.
- The automatic calibration device 4. a kind of steam generator heat-transfer pipe vortex inspection as claimed in claim 2 is popped one's head in, feature exist In: the side of the fixed locking block (2) is equipped with semi-circular recesses B, semi-circular recesses B internal diameter and semicircle groove A internal diameter Size is consistent；The semi-circular recesses B surface is arranged symmetrically, and there are two through-hole, the lead to the hole site and spiral shells on semi-circular recesses A Pit location matches；Lock-screw (3) passes through the through-hole on fixed locking block (2) and screws in semi-circular recesses A upper screwed hole.
- The automatic calibration device 5. a kind of steam generator heat-transfer pipe vortex inspection as claimed in claim 4 is popped one's head in, feature exist In: the automatic calibration device main body (1) is resin material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821011843.1U CN208654090U (en) | 2018-06-28 | 2018-06-28 | A kind of steam generator heat-transfer pipe vortex inspection probe automatic calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821011843.1U CN208654090U (en) | 2018-06-28 | 2018-06-28 | A kind of steam generator heat-transfer pipe vortex inspection probe automatic calibration device |
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| Publication Number | Publication Date |
|---|---|
| CN208654090U true CN208654090U (en) | 2019-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821011843.1U Active CN208654090U (en) | 2018-06-28 | 2018-06-28 | A kind of steam generator heat-transfer pipe vortex inspection probe automatic calibration device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108732239A (en) * | 2018-06-28 | 2018-11-02 | 江苏核电有限公司 | A kind of steam generator heat-transfer pipe vortex inspection probe automatic calibration device and its installation method |
-
2018
- 2018-06-28 CN CN201821011843.1U patent/CN208654090U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108732239A (en) * | 2018-06-28 | 2018-11-02 | 江苏核电有限公司 | A kind of steam generator heat-transfer pipe vortex inspection probe automatic calibration device and its installation method |
| CN108732239B (en) * | 2018-06-28 | 2023-09-08 | 江苏核电有限公司 | Automatic calibration device for vortex inspection probe of heat transfer tube of steam generator and installation method of automatic calibration device |
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