CN102252579B - Measuring tool for inner and outer diameter of sealing surface of fuel exchanger - Google Patents
Measuring tool for inner and outer diameter of sealing surface of fuel exchanger Download PDFInfo
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- CN102252579B CN102252579B CN201010508026.9A CN201010508026A CN102252579B CN 102252579 B CN102252579 B CN 102252579B CN 201010508026 A CN201010508026 A CN 201010508026A CN 102252579 B CN102252579 B CN 102252579B
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Abstract
The invention provides a measuring tool for the inner and outer diameters of the sealing surface of a fuel exchanger, which relates to a tool for measuring the inner and outer diameters of the sealing surface of a fuel exchanger in a heavy water furnace type atomic furnace power plant. According to the measuring tool, one side of a flat strip-shaped main body is equipped with a fixed support part for fixing a support roller assembly. A scale gauge is arranged opposite to the fixed support part and a variable support roller assembly is arranged opposite to the variable support part. Meanwhile, the central part of the fixed support part is equipped with a through hole for a shaft to pass through. An inner diameter measuring hole and an outer diameter measuring hole are respectively arranged close to and apart form the above the through hole. The fixed support part is arranged on one side of the inner diameter setting part and the outer diameter setting part of the main body. The variable support part is arranged on one side of the inner diameter setting part and the outer diameter setting part of the main body.
Description
Technical field
The present invention relates to the internal diameter of measurement sealing surface and the instrument of external diameter in the fuel exchanger of heavy water type of furnace atomic pile power house.
Background technology
In the past, by 30 inches of fixture heavy water of fuel exchanger leak cause, in magazine groove and magazine lid, magazine end cap seal face, when using general measuring instrument, owing to forming the sealing of becket shape and the pitch angle of sealing surface, be difficult at the forward and backward measurement size of processing, and exist to allow to measure and also because of structural problem, produce very large measuring error, also cause safeguarding simultaneously confidence level lowly.
Summary of the invention
The present invention proposes in view of the above problems, and has following object.
The object of the invention is to, when long-time use, in the situation that there is heavy water to leak on the magazine groove of 30 inches of fixtures and the sealing surface between end cap, due to the condition turning round under high pressure and a lot of moisture, produce spot corrosion (Pitting), thereby after processing magazine groove sealing surface, make in the process of new sealing, in order to prevent the leakage of heavy water and the term of life of extension device to greatest extent, and correct measurement confirm size.
Another object of the present invention is to, use a main body, according to setting position, optionally with direction, the variable support portion of one side fixed support portion and subtend is correspondingly set respectively, thereby can when measuring the internal diameter of sealing surface or external diameter, share.
In order to realize above-mentioned purpose of the present invention, a kind of fuel exchanger sealing surface internal-and external diameter measurement instrument is provided, wherein, a side in the main body of slat shape possesses a side fixed support portion that is provided with fixed support roll assembly, in the subtend of an above-mentioned side fixed support portion, possesses the variable support portion, subtend that is provided with calibration gauge and variable Support roller assembly, and the centre at an above-mentioned side fixed support portion possesses the perforate for axle is passed through, and possessing respectively inner diameter measurement perforate and outside diameter measuring perforate with above-mentioned perforate adjoining position with away from the position of above-mentioned perforate, an above-mentioned side fixed support portion is arranged on and is disposed at the internal diameter setting unit of aforementioned body and a certain side in external diameter setting unit, variable support portion, above-mentioned subtend is arranged on and is disposed at the internal diameter setting unit of aforementioned body and a certain side in external diameter setting unit.
And, a kind of fuel exchanger sealing surface internal-and external diameter measurement instrument is also provided, when the diameter of the fuel exchanger sealing that will measure is 30 inches, the diameter of above-mentioned fixed support roller is 1 inch, the diameter of above-mentioned variable backing roll is 1.375 inches.
And, a kind of fuel exchanger sealing surface internal-and external diameter measurement instrument is also provided, wherein, a side in the main body of slat shape possesses a side support portion that utilizes a side backing roll, in the subtend of an above-mentioned side support portion, possesses the support portion, subtend that utilizes subtend backing roll, an above-mentioned side support portion side of the position between the support portion of above-mentioned both sides extends the support stick that setting has sleeve pipe, inner side at above-mentioned sleeve pipe is connected with micrometer, and the main shaft of micrometer is connected with an above-mentioned side support portion.
And, a kind of fuel exchanger sealing surface internal-and external diameter measurement instrument is also provided, the diameter of an above-mentioned side backing roll is 1 inch, the diameter of above-mentioned subtend backing roll is 1.375 inches.
According to the present invention, there is following effect, when making fuel exchanger sealing, can easily carry out the measurement of internal diameter size with low error, thereby shortened process time and reduced radiation, maintenance quality can be improved and sealing making mistake can be prevented in advance, and shorten maintenance time, and use a main body, according to setting position, optionally with direction, the variable support portion of one side fixed support portion and subtend is correspondingly set respectively, thereby is common in the internal diameter or outside diameter measuring of sealing surface.
Accompanying drawing explanation
Fig. 1 is that the part of using exemplified with inner diameter measurement of the preferred embodiments of the present invention is omitted schematic section.
Fig. 2 is the diagrammatic top view of Fig. 1.
Fig. 3 is the diagrammatic top view being illustrated in Fig. 2 the fixed support roll assembly state separated with variable Support roller assembly.
Fig. 4 be Fig. 1 want portion's enlarged drawing.
Fig. 5 is that another of Fig. 1 wanted portion's enlarged drawing.
Fig. 6 is that the part of Fig. 5 is omitted vertical view.
Fig. 7 is that the part of Fig. 4 is omitted vertical view.
Fig. 8 is the diagrammatic top view of using exemplified with outside diameter measuring of another preferred embodiment of the present invention.
Fig. 9 is the use constitutional diagram of Fig. 8, is cross section illustration figure.
Figure 10 is the schematic section of another preferred embodiment of the present invention.
Figure 11 be Figure 10 overlook illustration figure.
Description of symbols:
1: main body 2: fixed support roll assembly
2 ': one side backing roll 3: side fixed support portion
3 ': one side support portion 3a, 6a: internal diameter setting unit
3b, 6b: external diameter setting unit 4: calibration gauge
4 ': subtend backing roll 4a: main shaft extension
5: variable Support roller assembly 5 ': support portion, subtend
6: variable support portion 6 ', subtend: sleeve pipe
7,8,8,10 ': perforate 7 ': support stick
8 ': micrometer 9 ': main shaft
20,50: the built-in groove 20 ', 40 ' of roller, 54a: spring
22: stationary roll piece 24: fixed support roller
26: lock(ing) bolt 28,58: connection holes
52: variable backing roll piece 52a: connecting port
54: variable backing roll 56: anticreep covers with roller
100: measuring object thing 110: sealing surface
Embodiment
Below, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
According to a preferred embodiment of the invention, as shown in Figures 1 to 9, be following structure: the side in the main body 1 of slat shape possesses a side fixed support portion 3 that is provided with fixed support roll assembly 2, in the subtend of an above-mentioned side fixed support portion 3, possesses the variable support portion 6, subtend that is provided with calibration gauge 4 and variable Support roller assembly 5, in centre, possesses the perforate 7 for axle is passed through, with above-mentioned perforate 7 adjoining positions with away from the position of above-mentioned perforate 7, possessing respectively inner diameter measurement perforate 8 and outside diameter measuring perforate 9, an above-mentioned side fixed support portion 3 is arranged on the internal diameter setting unit 3a that is disposed in aforementioned body 1 and a certain side in external diameter setting unit 3b, variable support portion 6, above-mentioned subtend is arranged on the internal diameter setting unit 6a that is disposed in aforementioned body and a certain side in external diameter setting unit 6b.
Now, above-mentioned fixed support roll assembly 2 comprises: stationary roll piece 22, and it forms the built-in groove 20 of roller in side central authorities, fixed support roller 24, it embeds and is connected with the built-in groove 20 of above-mentioned roller, and lock(ing) bolt 26, it is the rear portion of the built-in groove 20 of above-mentioned roller, on stationary roll piece 22, with thread connecting mode, be horizontally disposed with, by exerting pressure and fixed position to the rear portion of fixed support roller 24, the built-in groove 20 of above-mentioned roller is configured to, forward part is less than the diameter of above-mentioned fixed support roller 24, rear section can make fixed support roller 24 move in inside, thereby fixed support roller 24 can be in the inside of the built-in groove 20 of roller forward, move at rear, and a part can forwards be passed through, but integral body can not be passed through, and utilize the both sides connection holes 28 of stationary roll piece 22, 28, select a certain side in internal diameter setting unit 3a and external diameter setting unit 3b, with setting party to correspondingly arranging.
An above-mentioned side fixed support portion 3 is distinguished internal diameter setting unit 3a and external diameter setting unit 3b is set, when fixed support roll assembly 2 being set on internal diameter setting unit 3a, if observed centered by main body 1, be connected with the position direction outward of the built-in groove 20 of roller of fixed support roller 24, on the contrary, while fixed support roll assembly 2 being set on external diameter setting unit 3b, if observed, be connected with the position of the built-in groove 20 of roller of fixed support roller 24 towards inward direction centered by main body 1.
Above-mentioned variable Support roller assembly 5 comprises: variable backing roll piece 52, and it is formed with the built-in groove 50 of roller in side central authorities, variable backing roll 54, it embeds and is connected with the built-in groove 50 of above-mentioned roller, and connects by spring 54a resiliency supported, roller lid 56 for anticreep, it arranges to cover the mode of top one side of above-mentioned variable backing roll piece 52 under the state of inner side that variable backing roll 54 is built into the built-in groove 50 of above-mentioned roller, and calibration gauge 4, it is the rear portion of the built-in groove 50 of above-mentioned roller, the mode that can move horizontally with main shaft extension 4a is located on variable backing roll piece 52, for being exerted pressure and change of location in the rear portion of variable backing roll 54, and fix setting by the connecting port 52a of variable backing roll piece 52, the built-in groove 50 of above-mentioned roller is configured to, forward part is less than the diameter of above-mentioned variable backing roll 54, rear section can make variable backing roll 54 move in inside, thereby variable backing roll 54 can be in the built-in groove of roller 50 inside forward, move at rear, and a part can forwards be passed through, but integral body can not be passed through, and utilize the both sides connection holes 58 of variable roller piece 52, 58, select a certain side in internal diameter setting unit 6a and external diameter setting unit 6b, with setting party to correspondingly arranging.
Now, when the diameter of the fuel exchanger sealing that will measure is 30 inches, the diameter of above-mentioned fixed support roller is preferably 1 inch, and the diameter of above-mentioned variable backing roll is preferably 1.375 inches.
In addition, according to another preferred embodiment of the invention, as shown in Figures 10 and 11, a side in the main body 1 of slat shape possesses a side support portion 3 ' that utilizes a side backing roll 2 ', in the subtend of an above-mentioned side support portion 3 ', possesses the support portion, subtend 5 ' that utilizes subtend backing roll 4 ', support portion 3 ' in above-mentioned both sides, an above-mentioned side of the position between 5 ' supports 3 ' side prolongation and is provided with the support stick 7 ' with sleeve pipe 6 ', inner side at above-mentioned sleeve pipe 6 ' is connected with micrometer 8 ', the main shaft 9 ' of micrometer 8 ' is connected with an above-mentioned side support portion 5 '.
The side support portion 3 ' and the support portion, subtend 5 ' that are fixedly installed on the both sides of aforementioned body 1 form respectively bracket shape, the centre that is connected with endways the support stick 7 ' of a side backing roll 2 ' is provided with spring 20 ', the centre that is connected with endways the main shaft 9 ' of subtend backing roll 4 ' is provided with spring 40 ', thereby makes an above-mentioned side backing roll 2 ' and subtend backing roll 4 ' have in the normal state recuperability.
When the diameter of the measuring object thing 100 that the fuel exchanger that will measure when conduct seals is 30 inches, consider the pitch angle of sealing surface 110, and the diameter that is configured to an above-mentioned side backing roll 2 ' is 1 inch, the diameter of above-mentioned subtend backing roll 4 ' is 1.375 inches.
Unaccounted symbol 10 ' represents to be formed on the central perforate of main body 1.
Below, to device of the present invention as constructed as above, its action is described.
First, referring to figs. 1 to the illustrative structure of Fig. 9, as set-up procedure, fixed support roll assembly 2 and 5 assemblings of variable Support roller assembly are arranged in main body 1, and in the time will measuring internal diameter, 2 assemblings of fixed support roll assembly are arranged on the internal diameter setting unit 3a in a side fixed support portion 3, variable Support roller assembly 5 assemblings are arranged on internal diameter setting unit 6a, in the time will measuring external diameter, 2 assemblings of fixed support roll assembly are arranged on the external diameter setting unit 3b in a side fixed support portion 3, variable Support roller assembly 5 assemblings are arranged on the external diameter setting unit 6b in variable support portion 6, subtend, thereby carry out the preliminary work for each measurement.
Then,, utilizing master gauge setting to be positioned under the state of the fixed support roller 24 of both sides and the position of variable backing roll 54, by utilizing calibration gauge 4 to adjust the process of measured value, carry out the preparation for measuring.
Afterwards, utilize the measurement instrument of as above preparing, align with the sealing surface 110 of the measuring object thing 100 of actual measurement, by main shaft extension, 4a adjusts to the position for measuring by the position of variable backing roll 54, wherein a side of above-mentioned variable backing roll 54 is closely contacted on the fixed support roller 24 of a side, and subtend is positioned at the subtend of fixed support roller 24.
Now, because inner side is built-in with spring 54a, thereby variable backing roll 54 in the built-in groove of roller 50 inside forward, rear moves, and while making main shaft extension 4a move and adjust under applying the state of elastic anchorage force, the variable backing roll 54 of fixed support roller 24 and subtend contacts on sealing surface 110, even if thereby because asymmetric Er Shiqi center, pitch angle 110 is different, also can on the position that will measure, measure according to the indicating graduation value of calibration gauge 4 by above-mentioned roller 24,54.
Therefore, according to the embodiment shown in Fig. 1 to Fig. 9, when making fuel exchanger sealing or other associated article, can easily measure with low error the size of internal diameter or external diameter, thereby shortened process time and reduced radiation, and not only improve maintenance quality but also can prevent in advance sealing making mistake, and can shorten maintenance time, and use a main body 1, according to internal-and external diameter setting unit 3a, 3b, 6a, the setting position of 6b and optionally with direction, the variable support portion 6 of one side fixed support portion 3 and subtend is correspondingly set respectively, thereby share when measuring the internal diameter of sealing surface or external diameter.
In addition, according to the embodiment shown in Figure 10 and Figure 11, in the time will measuring the internal diameter of the measuring object thing 100 sealing as fuel exchanger, first utilize master gauge, arranging under the state of a side backing roll 2 ' of both sides and the position of subtend backing roll 4 ', by utilizing micrometer 8 ' to adjust the process of measured value, carry out the preparation for measuring.
Afterwards, utilize the measurement instrument of as above preparing, align with the internal diameter of the sealing surface 110 of the measuring object thing 100 of fuel exchanger sealing as actual measurement, and make the position of a side backing roll 2 ' and subtend backing roll 4 ' adjust to the position for measuring by adjusting sleeve pipe 6 '.
Now, because inner side is respectively equipped with spring 20 ', 40 ', if thereby make sleeve pipe 6 ' move and adjust applying under the state of elastic anchorage force, a side backing roll 2 ' contacts on sealing surface 110 with subtend backing roll 4 ', thereby can on the position that will measure, the scale value according to sleeve pipe 6 ' measure internal diameter.
Therefore, according to the embodiment shown in Figure 10 and Figure 11, when making the measuring object thing 100 sealing as fuel exchanger, can easily measure with low error the size of internal diameter, thereby shortened process time and reduced radiation, and not only can improve maintenance quality, can also prevent in advance measuring object thing 100 making mistakes, and realize the shortening of maintenance time.
Claims (4)
1. a fuel exchanger sealing surface internal-and external diameter measurement instrument, is characterized in that,
A side in the main body (1) of slat shape possesses a side fixed support portion (3) that is provided with fixed support roll assembly (2),
In the subtend of an above-mentioned side fixed support portion (3), possesses the variable support portion, subtend (6) that is provided with calibration gauge (4) and variable Support roller assembly (5), and the centre at an above-mentioned side fixed support portion (3) possesses the perforate (7) for axle is passed through, and possessing respectively inner diameter measurement perforate (8) and outside diameter measuring perforate (9) with above-mentioned perforate (7) adjoining position with away from the position of above-mentioned perforate (7)
An above-mentioned side fixed support portion (3) is arranged on and is disposed at the 1st internal diameter setting unit (3a) of aforementioned body (1) and a certain side in the 1st external diameter setting unit (3b),
Variable support portion, above-mentioned subtend (6) is arranged on and is disposed at the 2nd internal diameter setting unit (6a) of aforementioned body and a certain side in the 2nd external diameter setting unit (6b),
Described fixed support roll assembly (2) comprising:
Stationary roll piece (22), it forms the built-in groove of roller (20) in a side centre;
Fixed support roller (24), it embeds and is connected with the built-in groove of described roller (20); And
Lock(ing) bolt (26), it is the rear portion of the built-in groove of described roller (20), at stationary roll piece (22), above with thread connecting mode, is horizontally disposed with, by exerting pressure and fixed position to the rear portion of fixed support roller (24),
The built-in groove of described roller (20) is configured to, forward part is less than the diameter of described fixed support roller (24), rear section can make fixed support roller (24) move in inside, and utilize the both sides connection holes (28,28) of stationary roll piece (22), select a certain side in the 1st internal diameter setting unit (3a) and the 1st external diameter setting unit (3b), with setting party to correspondingly arranging.
2. fuel exchanger sealing surface internal-and external diameter measurement instrument according to claim 1, is characterized in that,
A described side fixed support portion (3) is distinguished the 1st internal diameter setting unit (3a) and the 1st external diameter setting unit (3b) is set,
When fixed support roll assembly (2) being set in the 1st internal diameter setting unit (3a), when observing, be connected with the position direction outward of the built-in groove of roller (20) of fixed support roller (24) centered by main body (1),
On the contrary, when fixed support roll assembly (2) being set in the 1st external diameter setting unit (3b), when observing, be connected with the position of the built-in groove of roller (20) of fixed support roller (24) towards inward direction centered by main body (1).
3. a fuel exchanger sealing surface internal-and external diameter measurement instrument, is characterized in that,
A side in the main body (1) of slat shape possesses a side fixed support portion (3) that is provided with fixed support roll assembly (2),
In the subtend of an above-mentioned side fixed support portion (3), possesses the variable support portion, subtend (6) that is provided with calibration gauge (4) and variable Support roller assembly (5), and the centre at an above-mentioned side fixed support portion (3) possesses the perforate (7) for axle is passed through, and possessing respectively inner diameter measurement perforate (8) and outside diameter measuring perforate (9) with above-mentioned perforate (7) adjoining position with away from the position of above-mentioned perforate (7)
An above-mentioned side fixed support portion (3) is arranged on and is disposed at the 1st internal diameter setting unit (3a) of aforementioned body (1) and a certain side in the 1st external diameter setting unit (3b),
Variable support portion, above-mentioned subtend (6) is arranged on and is disposed at the 2nd internal diameter setting unit (6a) of aforementioned body and a certain side in the 2nd external diameter setting unit (6b),
Described variable Support roller assembly (5) comprising:
Variable backing roll piece (52), it is formed with the built-in groove of roller (50) in a side centre;
Variable backing roll (54), described in it, the built-in groove of roller (50) embeds and connects, and connects by spring (54a) resiliency supported;
Roller lid (56) for anticreep, it arranges to cover the mode of top one side of described variable backing roll piece (52) under the state of inner side that variable backing roll (54) is built into the built-in groove of described roller (50); And
Calibration gauge (4), it is the rear portion of the built-in groove of described roller (50), the mode that can move horizontally with main shaft extension (4a) is arranged on variable backing roll piece (52), for being exerted pressure and change of location in the rear portion of variable backing roll (54), and fix setting by the connecting port (52a) of variable backing roll piece (52)
The built-in groove of described roller (50) is configured to, forward part is less than the diameter of described variable backing roll (54), rear section can make variable backing roll (54) move in inside, and utilize the both sides connection holes (58,58) of variable roller piece (52), select a certain side in the 2nd internal diameter setting unit (6a) and the 2nd external diameter setting unit (6b), with setting party to correspondingly arranging.
4. fuel exchanger sealing surface internal-and external diameter measurement instrument according to claim 3, is characterized in that,
Variable support portion, described subtend (6) is distinguished the 2nd internal diameter setting unit (6a) and the 2nd external diameter setting unit (6b) is set,
When variable Support roller assembly (5) being set in the 2nd internal diameter setting unit (6a), when observing, be connected with the position direction outward of the built-in groove of roller (50) of variable backing roll (54) centered by main body (1),
On the contrary, while variable Support roller assembly (5) being set in the 2nd external diameter setting unit (6b), when observing, be connected with the position of the built-in groove of roller (50) of variable backing roll (54) towards inward direction centered by main body (1),
Described calibration gauge (4) is arranged in a certain side of inner diameter measurement perforate (8) or outside diameter measuring perforate (9), thereby also can measure from outside.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2010-0047312 | 2010-05-20 | ||
| KR1020100047312A KR20110127844A (en) | 2010-05-20 | 2010-05-20 | Fuel exchanger seal face measurement tool |
| KR10-2010-0047313 | 2010-05-20 | ||
| KR1020100047313A KR101104053B1 (en) | 2010-05-20 | 2010-05-20 | Fuel Exchanger Seal Face Measurement Tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102252579A CN102252579A (en) | 2011-11-23 |
| CN102252579B true CN102252579B (en) | 2014-01-22 |
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ID=44980007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010508026.9A Active CN102252579B (en) | 2010-05-20 | 2010-09-29 | Measuring tool for inner and outer diameter of sealing surface of fuel exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102252579B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5490335A (en) * | 1994-07-21 | 1996-02-13 | Chu; George H. | Inside and outside diameter measuring gauge |
| US5711083A (en) * | 1995-09-11 | 1998-01-27 | Bidwell Corporation | Gage set for measuring inside and outside diameters of ring-shaped parts |
| CN200996826Y (en) * | 2006-12-27 | 2007-12-26 | 上海汽轮机有限公司 | Large workpiece cylindrical measuring device |
| US7328520B2 (en) * | 2005-06-17 | 2008-02-12 | The Technologies Alliance, Inc. | Gage for measuring diameters |
| CN101266125A (en) * | 2008-05-08 | 2008-09-17 | 山东滨州渤海活塞股份有限公司 | Piston outside diameter integrated measuring apparatus |
-
2010
- 2010-09-29 CN CN201010508026.9A patent/CN102252579B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5490335A (en) * | 1994-07-21 | 1996-02-13 | Chu; George H. | Inside and outside diameter measuring gauge |
| US5711083A (en) * | 1995-09-11 | 1998-01-27 | Bidwell Corporation | Gage set for measuring inside and outside diameters of ring-shaped parts |
| US7328520B2 (en) * | 2005-06-17 | 2008-02-12 | The Technologies Alliance, Inc. | Gage for measuring diameters |
| CN200996826Y (en) * | 2006-12-27 | 2007-12-26 | 上海汽轮机有限公司 | Large workpiece cylindrical measuring device |
| CN101266125A (en) * | 2008-05-08 | 2008-09-17 | 山东滨州渤海活塞股份有限公司 | Piston outside diameter integrated measuring apparatus |
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| Publication number | Publication date |
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| CN102252579A (en) | 2011-11-23 |
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