CN109141190B - Measuring device for three-leaf special-shaped hole pitch of heat exchanger supporting plate of nuclear power unit - Google Patents
Measuring device for three-leaf special-shaped hole pitch of heat exchanger supporting plate of nuclear power unit Download PDFInfo
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- CN109141190B CN109141190B CN201811056349.1A CN201811056349A CN109141190B CN 109141190 B CN109141190 B CN 109141190B CN 201811056349 A CN201811056349 A CN 201811056349A CN 109141190 B CN109141190 B CN 109141190B
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- 238000005259 measurement Methods 0.000 claims abstract description 10
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 abstract description 6
- 238000011161 development Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 235000004035 Cryptotaenia japonica Nutrition 0.000 description 1
- 102000007641 Trefoil Factors Human genes 0.000 description 1
- 235000015724 Trifolium pratense Nutrition 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000003758 nuclear fuel Substances 0.000 description 1
- 238000005025 nuclear technology Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
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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
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention discloses a measuring device for a three-blade special-shaped hole pitch of a heat exchanger supporting plate of a nuclear power unit, wherein a measuring tool main body comprises: the mounting strip is arranged in a hollow mode, and parallel surfaces connected to two sides of the mounting strip respectively through ribs, a pair of mounting through holes are formed in the mounting strip, and the center distance between the two mounting through holes is matched with the three-leaf special-shaped hole distance; the bushings are provided with a pair of bushings which are respectively arranged in the corresponding mounting through holes; the replaceable measuring pins are provided with a pair, the upper ends of the replaceable measuring pins are connected with the corresponding bushings, and the lower ends of the replaceable measuring pins are measuring ends and are used for tangential measurement with the three-leaf special-shaped holes; the fixing screws are provided with a pair of fixing screws which are respectively connected in the corresponding mounting through holes and are used for fixing the upper ends of the corresponding replaceable measuring pins. The three-blade special-shaped hole pitch measuring device is suitable for measuring the three-blade special-shaped hole pitch of the heat exchanger supporting plate of various nuclear power units, greatly improves the working efficiency, reduces the labor intensity of inspection staff, and improves the inspection quality.
Description
Technical Field
The invention relates to a measuring tool on a heat exchanger supporting plate of a nuclear power unit, in particular to a measuring device for a three-blade special-shaped hole pitch of the heat exchanger supporting plate of the nuclear power unit.
Background
Nuclear power is a safe, clean, efficient and economic energy source, and is an important policy for the development of nuclear industry for energy construction in China at present. The development of nuclear power has very important significance for guaranteeing energy supply and safety, protecting environment, realizing structural optimization and sustainable development of power industry and improving comprehensive economical strength, industrial technical level and international status of China.
The nuclear power industry is a modern high-tech intensive national strategic industry, the development of the nuclear power industry not only realizes the great improvement of autonomous innovation capability, expands the industrial scale of China in the high and new technical fields such as nuclear fuel circulation, nuclear power equipment, nuclear technology application and the like, but also effectively drives the integral development of the high-technology industry (related to materials, electromechanics, electronics, instruments, metallurgy, chemical industry and buildings) of China, and the advanced nuclear science technology can realize the improvement and the upgrade of the traditional industry.
Depending on nuclear power projects, nuclear power equipment manufacturing localization and autonomy are continuously promoted, and the method has great significance for promoting industrial structure upgrading, cultivating and improving autonomous innovation capability and converting industrial development modes.
The development of nuclear power is an important support for maintaining and improving the nuclear industry strength of China, stabilizing and strengthening the talent team of nuclear science and technology, is an important way for building strong national defense of China, further improving the status of China, and peacefully building modern strong countries, and is an important strategic measure for promoting modern construction, going strong national roads and improving comprehensive national force.
Developing nuclear power is beneficial to cultivating a batch of large-scale nationwide enterprises with international competitiveness, and improves the technical level of the chain of the Chinese nuclear power industry. The industrial structure adjustment opportunities of the nationwide companies can be utilized by the powerful nuclear power related enterprises in China, the independent brands can be developed with the relative advantages of the enterprises, overseas nuclear power market development and project construction are participated, and the technical capability and the level of the enterprises in the links of research, design, manufacture, construction and the like are improved in the competition and cooperation process.
The heat exchanger supporting plate of the nuclear power unit is a key part, as shown in fig. 1 and 2, a plurality of three-blade special-shaped holes of thousands to twenty thousands are densely distributed on the heat exchanger supporting plate, the control of the hole pitch size is a key item of quality control, the existing operation can only rely on the traditional vernier caliper for measurement, the measurement efficiency is low, and the quality is difficult to be ensured under the condition of batch measurement.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the measuring device for the three-leaf special-shaped hole pitch of the heat exchanger support plate of the nuclear power unit, which is suitable for measuring the three-leaf special-shaped hole pitch of the heat exchanger support plate of various nuclear power units, greatly improves the working efficiency, reduces the labor intensity of inspection staff and further improves the inspection quality.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a measuring device for a three-blade special-shaped hole pitch of a heat exchanger supporting plate of a nuclear power unit comprises:
A gauge body comprising: the measuring tool comprises a hollow mounting strip and parallel surfaces, wherein the parallel surfaces are respectively connected with two sides of the mounting strip through ribs, so that a measuring tool main body is in a hollow multi-rib structure, a pair of mounting through holes are formed in the mounting strip, and the center distance between the two mounting through holes is matched with the three-leaf special-shaped hole distance;
the bushings are provided with a pair of bushings which are respectively arranged in the corresponding mounting through holes;
the replaceable measuring pins are provided with a pair, the upper ends of the replaceable measuring pins are connected with the corresponding bushings, and the lower ends of the replaceable measuring pins are measuring ends and are used for tangential measurement with the three-leaf special-shaped holes;
The fixing screws are provided with a pair of fixing screws which are respectively connected in the corresponding mounting through holes and are used for fixing the upper ends of the corresponding replaceable measuring pins, so that the measuring tool main body, the bushing and the replaceable measuring pins are connected into a whole.
The two parallel surfaces are symmetrically arranged on two sides of the mounting strip.
The length of the measuring end of the replaceable measuring pin is larger than the height of the parallel surface and smaller than the thickness of the supporting plate.
In the technical scheme, the measuring device for the three-leaf abnormal-shaped hole pitch of the heat exchanger support plate of the nuclear power unit is suitable for measuring the three-leaf abnormal-shaped hole pitch of the heat exchanger support plate of the current domestic various nuclear power units, greatly improves the operation efficiency, reduces the labor intensity of inspection staff, and further improves the inspection quality; the structure is simple, the materials are convenient to obtain, and the preparation is easy; the replaceable measuring pin and the bushing form a detachable and replaceable structure, and the corresponding replaceable measuring pin can be replaced for measurement according to three-blade special-shaped holes with different apertures, so that the measurement work is convenient to carry out.
Drawings
FIG. 1 is a schematic view of a three-bladed profiled hole of a heat exchanger support plate of a conventional nuclear power unit;
FIG. 2 is an enlarged schematic view of a portion A of the trefoil shaped aperture of FIG. 1;
FIG. 3 is a schematic view of the structure of the measuring device of the present invention;
FIG. 4 is a cross-sectional view of the measuring device of the present invention in the direction B-B in FIG. 3;
FIG. 5 is a right side view of the measuring device of the present invention of FIG. 3;
FIG. 6 is a top view of the measuring device of the present invention of FIG. 3;
FIG. 7 is a view showing the state of use of the measuring device of the present invention;
FIG. 8 is a front view of the measuring device of FIG. 7 in use;
FIG. 9 is a top view of the measuring device of FIG. 7 in use;
Fig. 10 is a bottom view of the measuring device of fig. 7 in use.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings and examples.
Referring to fig. 3 to 10, the device for measuring the hole pitch of the three-leaf special-shaped holes of the heat exchanger support plate of the nuclear power unit provided by the invention comprises:
gauge body 4, comprising: the installation strip 401 that the hollow set up and link to the parallel face 402 of installation strip 401 both sides through the rib respectively for measuring tool main part 4 sets up to be cavity, many muscle structures, can ensure the rigidity of this measuring device 100 and reduce holistic weight effectively, and convenient measurement work goes on, sets up a pair of installation through-holes that are used for installing bush 2 according to the nominal size of three leaf abnormal shape hole pitch of nuclear power generating set heat exchanger backup pad on the installation strip 401, and the centre-to-centre spacing L between two installation through-holes and three leaf abnormal shape hole pitch looks adaptation.
The bushings 2, provided with a pair of holes, are respectively installed in the corresponding installation through holes, and the inner holes of the bushings are matched with the upper ends of the replaceable measuring pins 1, so as to protect the replaceable measuring pins 1 from being replaced for multiple times without wearing the measuring tool main body 4.
The replaceable measuring pins 1 are provided with a pair of stepped shafts, the upper ends of the replaceable measuring pins 1 are connecting ends and are connected to corresponding bushings 2 and are fixed on the measuring tool main body 4 together to achieve the required center distance L, and the lower ends of the replaceable measuring pins 1 are measuring ends and are used for tangential measurement with three-leaf special-shaped holes of a heat exchanger supporting plate of a nuclear power unit to achieve the purpose of extracting the centers of the three-leaf special-shaped holes.
The fixing screws 3 are provided with a pair of fixing screws, are respectively installed in the corresponding installation through holes and are used for fixing the upper ends of the corresponding replaceable measuring pins 1, so that the measuring tool main body 4, the bushing 2 and the replaceable measuring pins 1 are connected into a whole, the fixing screws 3 are unscrewed, the replaceable measuring pins 1 can be detached and replaced, and the replaceable measuring pins 1 are fixed by screwing the fixing screws 3.
Preferably, the two parallel surfaces are symmetrically arranged on two sides of the mounting strip.
Preferably, the length of the measuring end of the replaceable measuring pin 1 is greater than half the height of the parallel surface 402 and smaller than the thickness of the supporting plate 101.
In summary, according to the measuring device disclosed by the invention, the hole distances can be measured one by one only by installing the replaceable measuring pins corresponding to the three-blade special-shaped hole apertures according to the size of the center distance L between the two installation through holes, so that the measuring device is convenient and quick, and the working efficiency is greatly improved compared with the existing measuring device using a vernier caliper.
It will be appreciated by persons skilled in the art that the above embodiments are provided for illustration only and not for limitation of the invention, and that variations and modifications of the above described embodiments are intended to fall within the scope of the claims of the invention as long as they fall within the true spirit of the invention.
Claims (2)
1. Measuring device of nuclear power unit heat exchanger backup pad three leaf abnormal shape hole pitch, characterized in that includes:
A gauge body comprising: the measuring tool comprises a hollow mounting strip and parallel surfaces, wherein the parallel surfaces are respectively connected with two sides of the mounting strip through ribs, so that a measuring tool main body is in a hollow multi-rib structure, a pair of mounting through holes are formed in the mounting strip, and the center distance between the two mounting through holes is matched with the three-leaf special-shaped hole distance;
The bushing is provided with a pair of bushings which are respectively arranged in the corresponding mounting through holes, and the inner holes of the bushings are matched with the upper ends of the replaceable measuring pins;
the replaceable measuring pins are provided with a pair, the upper ends of the replaceable measuring pins are connected with the corresponding bushings, and the lower ends of the replaceable measuring pins are measuring ends and are used for tangential measurement with the three-leaf special-shaped holes;
The fixing screw is provided with a pair of fixing screws which are respectively connected in the corresponding mounting through holes and are used for fixing the upper ends of the corresponding replaceable measuring pins, so that the measuring tool main body, the bushing and the replaceable measuring pins are connected into a whole, the fixing screws are unscrewed, the replaceable measuring pins are disassembled for replacement, the replaceable measuring pins are fixed by screwing the fixing screws,
The length of the measuring end of the replaceable measuring pin is larger than the height of the parallel surface and smaller than the thickness of the supporting plate.
2. The measuring device for the three-blade special-shaped hole pitch of the heat exchanger support plate of the nuclear power unit as claimed in claim 1, wherein: the two parallel surfaces are symmetrically arranged on two sides of the mounting strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811056349.1A CN109141190B (en) | 2018-09-11 | 2018-09-11 | Measuring device for three-leaf special-shaped hole pitch of heat exchanger supporting plate of nuclear power unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811056349.1A CN109141190B (en) | 2018-09-11 | 2018-09-11 | Measuring device for three-leaf special-shaped hole pitch of heat exchanger supporting plate of nuclear power unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109141190A CN109141190A (en) | 2019-01-04 |
| CN109141190B true CN109141190B (en) | 2024-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811056349.1A Active CN109141190B (en) | 2018-09-11 | 2018-09-11 | Measuring device for three-leaf special-shaped hole pitch of heat exchanger supporting plate of nuclear power unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109141190B (en) |
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| CN2568739Y (en) * | 2002-04-29 | 2003-08-27 | 苏存章 | Aluminium alloy stair railing |
| CN202024711U (en) * | 2011-01-27 | 2011-11-02 | 南车洛阳机车有限公司 | Central distance detection gauge for embedded casing of ballastless track slab |
| CN202501818U (en) * | 2012-01-10 | 2012-10-24 | 天长缸盖有限公司 | Checking tool for measuring center distance of two holes |
| CN103089770A (en) * | 2013-02-13 | 2013-05-08 | 长沙洋华机电设备制造有限公司 | Tee joint connecting piece of aluminium profile |
| CN204064194U (en) * | 2014-09-01 | 2014-12-31 | 西安航天动力机械厂 | A kind of clamp for detect aperture distance |
| CN204085406U (en) * | 2014-09-12 | 2015-01-07 | 中核(天津)科技发展有限公司 | A kind of bulk pick-up unit for stake body |
| CN206245621U (en) * | 2016-09-18 | 2017-06-13 | 练志军 | A kind of convenient keel of marking time installed |
| CN208887540U (en) * | 2018-09-11 | 2019-05-21 | 上海瑞纽机械股份有限公司 | A kind of measuring device of three leaf profiled holes pitch-row of nuclear power unit heat exchanger supports plate |
-
2018
- 2018-09-11 CN CN201811056349.1A patent/CN109141190B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2568739Y (en) * | 2002-04-29 | 2003-08-27 | 苏存章 | Aluminium alloy stair railing |
| CN202024711U (en) * | 2011-01-27 | 2011-11-02 | 南车洛阳机车有限公司 | Central distance detection gauge for embedded casing of ballastless track slab |
| CN202501818U (en) * | 2012-01-10 | 2012-10-24 | 天长缸盖有限公司 | Checking tool for measuring center distance of two holes |
| CN103089770A (en) * | 2013-02-13 | 2013-05-08 | 长沙洋华机电设备制造有限公司 | Tee joint connecting piece of aluminium profile |
| CN204064194U (en) * | 2014-09-01 | 2014-12-31 | 西安航天动力机械厂 | A kind of clamp for detect aperture distance |
| CN204085406U (en) * | 2014-09-12 | 2015-01-07 | 中核(天津)科技发展有限公司 | A kind of bulk pick-up unit for stake body |
| CN206245621U (en) * | 2016-09-18 | 2017-06-13 | 练志军 | A kind of convenient keel of marking time installed |
| CN208887540U (en) * | 2018-09-11 | 2019-05-21 | 上海瑞纽机械股份有限公司 | A kind of measuring device of three leaf profiled holes pitch-row of nuclear power unit heat exchanger supports plate |
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| Publication number | Publication date |
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| CN109141190A (en) | 2019-01-04 |
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