CN207036763U - A kind of calibrating tube supporting structure for nuclear power plant's heat exchanger tube interior crossing type EDDY CURRENT - Google Patents
A kind of calibrating tube supporting structure for nuclear power plant's heat exchanger tube interior crossing type EDDY CURRENT Download PDFInfo
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- CN207036763U CN207036763U CN201720504983.1U CN201720504983U CN207036763U CN 207036763 U CN207036763 U CN 207036763U CN 201720504983 U CN201720504983 U CN 201720504983U CN 207036763 U CN207036763 U CN 207036763U
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- heat exchanger
- rack body
- calibrating
- eddy current
- power plant
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Abstract
The utility model discloses a kind of calibrating tube supporting structure for nuclear power plant's heat exchanger tube interior crossing type EDDY CURRENT, including：Rack body, the middle part of rack body are provided with the hole position passed through for calibrating tube；Demarcate pipe clamp；And fixing pin, fixing pin are arranged on the opposite side relative with rack body setting fixing pipe fixture side, wherein：Relative position of the demarcation pipe clamp on rack body is set to relative position of the adjustable and/or fixing pin on rack body and is set to adjustable；Fixing pin is inserted into the pore of heat exchanger and is fixed, and the calibrating tube for enabling to be connected in the calibrating tube hole position of rack body is directed at a pore of heat exchanger.Implement the calibrating tube supporting structure of the present utility model for nuclear power plant's heat exchanger tube interior crossing type EDDY CURRENT, the situation of aliging between calibrating tube and heat exchanger tube can be improved, lift the accuracy rate of data acquisition；Structure is simplified, and is easy to repair and is safeguarded.
Description
Technical field
It the utility model is related to nuclear power field, more particularly to a kind of mark for nuclear power plant's heat exchanger tube interior crossing type EDDY CURRENT
Fixed tube supporting structure.
Background technology
EDDY CURRENT, using extremely extensively, has high sensitivity in the In-service testing work of heat exchanger tube, and detection speed is fast,
The advantages that detection signal can record., it is necessary to start detection, in checking process and test ending during actual EDDY CURRENT
After carry out data scaling, its method is that specific artificial defect on calibrating tube and is arranged to predetermined amplitude at calibrating tube data by collection
And phase.And the analysis of eddy current data be unable to do without the mixing operation to eddy current data, it is therefore an objective to eliminate the supporting plate on heat exchanger tube
Signal.In order to reach preferably mixing effect and facilitate mixing operation, on-the-spot meeting is when gathering calibrating tube signal, by calibrating tube pair
The standard heat exchanger tube to be gathered, so that by real support signal and calibrating tube signal acquisition on heat exchanger tube in a data file
In, in order to be demarcated and be mixed simultaneously.
In the prior art, the mode that calibrating tube aligns with heat exchanger tube is made in calibration process mainly by manual type, not only volume
It is outer to need a people to hold calibrating tube, and alignment effect is also not satisfactory, causes interim card of popping one's head in sometimes, influences signal and adopt
Collection.
Utility model content
Technical problem to be solved in the utility model is, there is provided one kind is used for nuclear power plant's heat exchanger tube interior crossing type vortex inspection
The calibrating tube supporting structure of survey, improve calibrating tube and the situation of aliging between heat exchanger tube, lift the accuracy rate of data acquisition；Structure essence
Letter, it is easy to repair and safeguards.
In order to solve the above-mentioned technical problem, embodiment of the present utility model provides a kind of for being worn in nuclear power plant's heat exchanger tube
The calibrating tube supporting structure of formula EDDY CURRENT, including：Rack body, the middle part of rack body are provided with the hole passed through for calibrating tube
Position；Be arranged on rack body side to the demarcation pipe clamp that is fastened to the calibrating tube in hole position；And that will prop up
Frame body is connected in the fixing pin in the pore of heat exchanger, and fixing pin is arranged on sets fixing pipe fixture one with rack body
On the relative opposite side in side, wherein：Relative position of the demarcation pipe clamp on rack body is set to adjustable and/or fixing pin exists
Relative position on rack body is set to adjustable；Fixing pin is inserted into the pore of heat exchanger and is fixed, and makes to be connected in branch
Calibrating tube in the calibrating tube hole position of frame body can be directed at a pore of heat exchanger.
Wherein, the side of rack body is provided with so that fixing pin is in the first slide rail of the enterprising line slip of rack body,
The section of first slide rail is in concave shape.
Wherein, fixing pin includes：Connector, the first sliding block and the jaw being fastened on connector, the first sliding block
One end is connected on connector, and the other end of the first sliding block is slidably disposed in the first slide rail.
Wherein, jaw is connected by tracheae with compressed air gas source, and jaw is opened and swollen tight under the pressure of compressed air
In the pore of heat exchanger.
Wherein, the opposite side of support is provided with so that calibrating tube fixture is in the second slide rail of the enterprising line slip of rack body,
The section of second slide rail is in concave shape.
Wherein, demarcation pipe clamp includes：Intermediate plate and the second sliding block, one end of the second sliding block are connected on intermediate plate, the second sliding block
The other end be slidably disposed in the second slide rail.
Wherein, fixing pin is set to be respectively installed in two of hole position both sides, two fixing pins and demarcation pipe clamp
Line is on the same line.
Wherein, rack body is in strip.
Calibrating tube supporting structure provided by the utility model for nuclear power plant's heat exchanger tube interior crossing type EDDY CURRENT, have
Following beneficial effect：
Firstth, relative position of the fixing pin on rack body is set to adjustable, and fixing pin is inserted into the pipe of heat exchanger
It is fixed in hole, the calibrating tube being connected in the calibrating tube hole position of rack body can be directed at a pore of heat exchanger, make
Fixing pin can be suitable for the pore of the different plate tubular constructions of a variety of different type heat exchangers；Pipe clamp is demarcated in support sheet
Relative position on body is set to adjustable, allows to clamp the calibrating tube of different-diameter.
Secondth, structure is simplified, and is easy to repair and is safeguarded.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the calibrating tube supporting structure that the utility model embodiment is used for nuclear power plant's heat exchanger tube interior crossing type EDDY CURRENT
Structural representation.
Fig. 2 is the calibrating tube supporting structure that the utility model embodiment is used for nuclear power plant's heat exchanger tube interior crossing type EDDY CURRENT
Cross section structure diagram.
Fig. 3 is the calibrating tube supporting structure that the utility model embodiment is used for nuclear power plant's heat exchanger tube interior crossing type EDDY CURRENT
The structural representation of fixing pin.
Fig. 4 is the calibrating tube supporting structure that the utility model embodiment is used for nuclear power plant's heat exchanger tube interior crossing type EDDY CURRENT
Demarcate the structural representation of pipe clamp.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Referring to Fig. 1-Fig. 4, for calibrating tube of the utility model embodiment for nuclear power plant's heat exchanger tube interior crossing type EDDY CURRENT
The embodiment one of supporting structure.
The calibrating tube supporting structure for nuclear power plant's heat exchanger tube interior crossing type EDDY CURRENT in the present embodiment, including：
Rack body 1, the middle part of rack body 1 are provided with the hole position 11 passed through for calibrating tube；It is arranged on the side of rack body 1
To the demarcation pipe clamp 12 that is fastened to the calibrating tube in hole position 11；And rack body 1 is connected in into heat exchange
Fixing pin 13 in the pore of device, fixing pin 13 is arranged on sets 12 sides of fixing pipe fixture relative with rack body 1
On opposite side, wherein：Relative position of the demarcation pipe clamp 12 on rack body 1 is set to adjustable and/or fixing pin 13 is propping up
Relative position on frame body 1 is set to adjustable；Fixing pin 13 is inserted into the pore of heat exchanger and is fixed, and makes to be connected in branch
Calibrating tube in the calibrating tube hole position 11 of frame body 1 can be directed at a pore of heat exchanger.
Rack body 1 is the body of rod in bar shaped, and two lateral sections are in square shape, and the middle part of rack body 1 is provided with wears for calibrating tube
The hole position 11 crossed, hole position 11 is circle in the present embodiment, and the shape of hole position 11 and position do not limit in other embodiment.
Further, the top side of rack body 1 is slided provided with two with for fixing pin 13 on rack body 1
The first dynamic slide rail 1a, this two the first slide rail 1a are separately positioned on the opposite sides of hole position 11, two article in the present embodiment
One slide rail 1a is arranged as symmetrically, and section is in concave shape, and structure that so can be preferably with fixing pin 13 is adapted, real
Now more preferably sliding effect.
The effect of fixing pin 13 is：During use, fixing pin 13 is inserted into around signal heat-transfer pipe to be collected
Pore inside, rack body 1 can be connected in the pore of heat exchanger, play fixed and supporting role.In this way, marked in collection
During fixed tube signal, the calibrating tube in the calibrating tube hole position 11 on rack body 1 can be enable to be directed at one of heat exchanger
Pore, so as to by real support signal and calibrating tube signal acquisition are in a data file on heat exchanger tube, in order to same
Shi Jinhang is demarcated and mixing, and then realizes align efficiency of the calibrating tube with the heat exchanger tube of heat exchanger.
Further, fixing pin 13 is set to be respectively installed in two of hole position both sides in the present embodiment, two fixations
The structure of pin 13 is arranged as symmetrically, and it includes：Connector 131, the first sliding block 132 and the gas being fastened on connector 131
Pawl 133, one end of the first sliding block 132 are connected on connector 131, and the other end of the first sliding block 132 is slidably disposed in first
In slide rail 1a.
Connector 131 is that plate forms through multiple bending, and in zigzag, the first sliding block 132 and jaw 133 are connected to
The upper and lower ends of connector 131.Wherein：During assembling, the connector 131 of the first sliding block 13 can will be first connected with by rack body 1
Side be inserted into the first slide rail 1a.In this way, the first sliding block 13 is just held in the first slide rail 1a, and then realize connector
131 moving back and forth along the first slide rail 1a.
The effect of jaw 133 is：Jaw 133 is connected by tracheae with compressed air gas source, when fixing pin is inserted into pipe
When in hole, the compressed air valve on tracheae is opened, jaw 133 can be opened under the pressure of compressed air and swelling is in pore
In, in order to which fixture can be fixed preferably.
The effect that fixing pin 13 is arranged to along the first slide rail 1a on rack body 1 to enter to line slip is：Due to core
There are a variety of heat exchangers in the secondary circuit of power plant, the tube sheet upper tube pitch of holes and pore diameter of every kind of heat exchanger differ, to make
Rack body 1 can be applied to all kinds of heat exchangers, and fixing pin 13 is arranged to along the first slide rail 1a on rack body 1 to enter
Line slip, to facilitate fixing pin 13 to be inserted and secured in the pore of different tube plate structures.
Further, the bottom side of rack body 1 is carried out provided with two with for calibrating tube fixture 12 on rack body 1
The the second slide rail 1b slided, this two the second slide rail 1b are separately positioned on the opposite sides of hole position 11, two in the present embodiment
Second slide rail 1b is arranged as symmetrically, and section is in concave shape, so preferably can mutually be fitted with demarcating the structure of pipe clamp 12
Match somebody with somebody, realize more preferably sliding effect.
Demarcating the effect of pipe clamp 12 is：Calibrating tube is clamped, calibrating tube fixture 12 is set to be respectively installed in the present embodiment
Two of hole position both sides, the structure of this two demarcation pipe clamps 12 are arranged as symmetrically, and it includes：The sliding block of intermediate plate 121 and second
122, one end of the second sliding block 122 is connected on intermediate plate 121, and the other end of the second sliding block 122 is slidably disposed in the second slide rail
In 1b.
Intermediate plate 121 is bending plate, and the second sliding block 122 is connected to the top of intermediate plate 121.Wherein：, can be first by even during assembling
The intermediate plate 121 for being connected to the second sliding block 122 is inserted into the second slide rail 1b by the side of rack body 1.In this way, the second sliding block 122
Just it is held in the second slide rail 1b, and then realizes the moving back and forth along the second slide rail 1b of intermediate plate 121.
Pipe clamp 12 will be demarcated being arranged to along the second slide rail 1b on rack body 1 to enter the effect of line slip is：Can
Realize the clamping to different-diameter calibrating tube.
Preferably, the line of two fixing pins 13 and demarcation pipe clamp 12 on the same line, so to improve to not
With the applicability of pore arrangement form,
Calibrating tube supporting structure provided by the utility model for nuclear power plant's heat exchanger tube interior crossing type EDDY CURRENT, can be with
It is vertically fixed on calibrating tube is stable on the tube sheet of heat exchanger, and calibrating tube can be directed at a pore, in order to by calibrating tube
And heat exchange tube supporting plate signal is smooth easily collects in a data file, manpower and time are not only saved, and change
It has been apt to the quality of data.
Calibrating tube supporting structure provided by the utility model for nuclear power plant's heat exchanger tube interior crossing type EDDY CURRENT, have
Following beneficial effect：
Firstth, relative position of the fixing pin on rack body is set to adjustable, and fixing pin is inserted into the pipe of heat exchanger
It is fixed in hole, the calibrating tube being connected in the calibrating tube hole position of rack body can be directed at a pore of heat exchanger, make
Fixing pin can be suitable for the pore of the different plate tubular constructions of a variety of different type heat exchangers；Pipe clamp is demarcated in support sheet
Relative position on body is set to adjustable, allows to clamp the calibrating tube of different-diameter.
Secondth, structure is simplified, and is easy to repair and is safeguarded.
Claims (8)
- A kind of 1. calibrating tube supporting structure for nuclear power plant's heat exchanger tube interior crossing type EDDY CURRENT, it is characterised in that including：Rack body, the middle part of the rack body are provided with the hole position passed through for calibrating tube；Be arranged on the rack body side to the demarcation pipe clamp that is fastened to the calibrating tube in the hole position；AndThe rack body to be connected in the fixing pin in the pore of heat exchanger, the fixing pin be arranged on it is described Rack body is set on the relative opposite side in the fixing pipe fixture side, wherein：Relative position of the demarcation pipe clamp on the rack body is set to adjustable and/or described fixing pin in the branch Relative position on frame body is set to adjustable；The fixing pin is inserted into the pore of heat exchanger and is fixed, and makes the calibrating tube for being connected in the rack body Calibrating tube in hole position can be directed at a pore of heat exchanger.
- 2. it is used for the calibrating tube supporting structure of nuclear power plant's heat exchanger tube interior crossing type EDDY CURRENT, its feature as claimed in claim 1 It is, the side of the rack body is provided with so that the fixing pin is slided the first of the enterprising line slip of the rack body Rail, the section of first slide rail is in concave shape.
- 3. it is used for the calibrating tube supporting structure of nuclear power plant's heat exchanger tube interior crossing type EDDY CURRENT, its feature as claimed in claim 2 It is, the fixing pin includes：Connector, the first sliding block and the jaw being fastened on the connector, described first slides One end of block is connected on the connector, and the other end of first sliding block is slidably disposed in first slide rail.
- 4. it is used for the calibrating tube supporting structure of nuclear power plant's heat exchanger tube interior crossing type EDDY CURRENT, its feature as claimed in claim 3 It is, the jaw is connected by tracheae with compressed air gas source, and the jaw is opened and swollen tight under the pressure of compressed air In the pore of the heat exchanger.
- 5. it is used for the calibrating tube supporting structure of nuclear power plant's heat exchanger tube interior crossing type EDDY CURRENT, its feature as claimed in claim 1 It is, the opposite side of the support is provided with so that calibrating tube fixture is in the second slide rail of the enterprising line slip of the rack body, The section of second slide rail is in concave shape.
- 6. it is used for the calibrating tube supporting structure of nuclear power plant's heat exchanger tube interior crossing type EDDY CURRENT, its feature as claimed in claim 5 It is, the demarcation pipe clamp includes：Intermediate plate and the second sliding block, one end of second sliding block is connected on the intermediate plate, described The other end of second sliding block is slidably disposed in second slide rail.
- 7. it is used for the calibrating tube supporting structure of nuclear power plant's heat exchanger tube interior crossing type EDDY CURRENT, its feature as claimed in claim 1 It is, the fixing pin is set to be respectively installed in two of the hole position both sides, two fixing pins and the demarcation pipe clamp The line of tool is on the same line.
- 8. it is used for the calibrating tube supporting structure of nuclear power plant's heat exchanger tube interior crossing type EDDY CURRENT, its feature as claimed in claim 1 It is, the rack body is in strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720504983.1U CN207036763U (en) | 2017-05-09 | 2017-05-09 | A kind of calibrating tube supporting structure for nuclear power plant's heat exchanger tube interior crossing type EDDY CURRENT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720504983.1U CN207036763U (en) | 2017-05-09 | 2017-05-09 | A kind of calibrating tube supporting structure for nuclear power plant's heat exchanger tube interior crossing type EDDY CURRENT |
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| Publication Number | Publication Date |
|---|---|
| CN207036763U true CN207036763U (en) | 2018-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720504983.1U Active CN207036763U (en) | 2017-05-09 | 2017-05-09 | A kind of calibrating tube supporting structure for nuclear power plant's heat exchanger tube interior crossing type EDDY CURRENT |
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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 |
-
2017
- 2017-05-09 CN CN201720504983.1U patent/CN207036763U/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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