CN107270801B - Superconducting conductor abnormal shape armour internal diameter detection device - Google Patents
Superconducting conductor abnormal shape armour internal diameter detection device Download PDFInfo
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- CN107270801B CN107270801B CN201710319553.7A CN201710319553A CN107270801B CN 107270801 B CN107270801 B CN 107270801B CN 201710319553 A CN201710319553 A CN 201710319553A CN 107270801 B CN107270801 B CN 107270801B
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- gauge
- pass
- armor
- superconducting conductor
- short pass
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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
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
- G01B5/12—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters internal diameters
Abstract
The invention discloses a superconducting conductor special-shaped armor inner diameter detection device which comprises a short pass no-go gauge and a long pass no-go gauge, wherein the short pass no-go gauge is of a double-flat-top cone structure sharing a cone bottom, the long pass no-go gauge is of a cylinder structure, the rear end of the short pass no-go gauge is connected with the front end of the long pass no-go gauge through a connecting wire, and the front end of the short pass no-go gauge and the rear end of the long pass no-go gauge are respectively connected with the connecting wire. The invention adopts the short pass stopping return with the size slightly smaller than the lower limit of the inner diameter of the inner hole of the armor, effectively tests the inner diameter of the conductor armor and solves the problem that the inner diameter of the inner hole of the conductor armor is difficult to measure.
Description
Technical Field
The invention relates to the field of superconducting conductor armor detection devices, in particular to a superconducting conductor irregular armor inner diameter detection device.
Background
With the development of science and technology, the superconducting magnet technology is applied more and more, the core of the superconducting magnet is a CICC (Cable-In-conductor-Conductors) superconducting conductor, and the CICC superconducting conductor has the characteristics of good self-support, low alternating current loss, less required low-temperature cooling medium, safe and reliable operation, high performance and the like, and is a preferred conductor of a large superconducting magnet and other devices In a controlled thermonuclear fusion device which is internationally acknowledged at present.
The stainless steel armor is one of main components of the CICC conductor, is an armor with an outer square and an inner circle and a special-shaped cross section, and strict requirements on chemical components, metallographic structures, mechanical properties, appearance sizes and the like of the stainless steel armor are carried out in ITER technical requirements. The inner hole size in the appearance size directly influences the subsequent cable threading process, so that the inner hole size becomes the most important parameter index in size detection.
Common conductor armor is more than 7m in common, the size of an inner hole in the middle section of the superconducting armor cannot be measured by using the conventional measuring equipment, and the receiving test and acceptance requirements of large-batch conductor armor cannot be met.
The invention aims to provide a superconducting conductor special-shaped armor inner diameter detection device to solve the problem that inner hole measurement of CICC conductor armor in the prior art cannot meet the requirement of large-batch armor detection.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a superconducting conductor abnormal shape armour internal diameter detection device which characterized in that: the short pass no-go gauge comprises a short pass no-go gauge and a long pass no-go gauge, wherein the short pass no-go gauge is of a double-flat-top cone structure sharing a cone bottom, the middle of the short pass no-go gauge is provided with the cone bottom, and the middle of the short pass no-go gauge is respectively and smoothly connected to the front side and the rear sideThe transition is a flat-top cone shape to form a double-flat-top cone structure, and the diameter of the middle cone bottom of the short pass no-go gauge is d1The diameter of the flat top at the front end and the rear end of the short pass no-go gauge is d2Diameter d of1Slightly smaller than the lower limit of the inner diameter of the inner hole of the armor of the superconducting conductor;
the long go no-go gauge is of a cylindrical structure, the axial length of the long go no-go gauge is greater than that of the short go no-go gauge, and the diameter of the long go no-go gauge is d3Diameter d of3Is smaller than the lower limit of the inner diameter of the inner hole of the armor of the superconducting conductor;
the rear end of the short-pass no-go gauge is connected with the front end of the long-pass no-go gauge through a connecting wire with good bending resistance, and the front end of the short-pass no-go gauge and the rear end of the long-pass no-go gauge are respectively connected with the connecting wire.
The inner diameter detection device for the superconducting conductor special-shaped armor is characterized in that: diameter d3Smaller than diameter d1Greater than the diameter d2
The inner diameter detection device for the superconducting conductor special-shaped armor is characterized in that: the short pass no-go gauge is made of hard wear-resistant plastic.
The inner diameter detection device for the superconducting conductor special-shaped armor is characterized in that: the long pass no-go gauge is made of aluminum material.
A method for detecting the inner diameter of a special-shaped armor of a superconducting conductor is characterized by comprising the following steps: the connecting wire at the front end of the short pass no-go gauge is used as a guide wire to penetrate through an inner hole of the superconducting conductor armor, the short pass no-go gauge and the long pass no-go gauge sequentially pass through the inner hole of the superconducting conductor armor by pulling the guide wire after the short pass no-go gauge and the long pass no-go gauge penetrate through the inner hole of the superconducting conductor armor, if the size of the inner hole of the superconducting conductor armor does not reach the standard, the position of the short pass no-go gauge and the long pass no-go gauge which cannot pass is recorded, and the long pass no-go gauge and the short pass no-go gauge sequentially exit from.
Compared with the prior art, the invention has the beneficial effects that:
the invention adopts the short pass stopping return with the size slightly smaller than the lower limit of the inner diameter of the inner hole of the armor, effectively inspects the inner diameter of the conductor armor and solves the problem that the inner diameter of the inner hole of the conductor armor is difficult to measure; meanwhile, the short pass no-go gauge size of the inner diameter and the requirement of the conductor armor on the straightness are combined, the long pass no-go gauge with the proper diameter is adopted, and the detection on the straightness of the inner hole is realized while the size of the inner hole is detected. Through analysis of detection data of a large number of superconducting conductor armors, the method can screen out most of superconducting conductor armors with unqualified inner hole sizes, and meets the detection requirements of the superconducting conductor armors on the inner hole sizes including the inner hole diameter and the straightness accuracy.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a measurement schematic diagram of the present invention.
Detailed Description
As shown in figure 1, the inner diameter detection device for the special-shaped armor of the superconducting conductor comprises a short pass no-go gauge 1 and a long pass no-go gauge 2, wherein the short pass no-go gauge 1 is of a double-flat-top cone structure sharing a cone bottom, the middle of the short pass no-go gauge 1 is of the cone bottom, the middle of the short pass no-go gauge 1 is in smooth transition into a flat-top cone shape towards the front side and the rear side respectively to form the double-flat-top cone structure, and the diameter of the middle cone bottom of the short pass no-go gauge 1 is set as d1The diameter of the flat top at the front end and the rear end of the short pass no-go gauge 1 is d2Diameter d of1The size smaller than the lower limit of the inner diameter of the superconducting conductor armor is 0.1 mm; diameter d2The size smaller than the lower limit of the inner diameter of the superconducting conductor armor is 4mm, and the axial length of the whole short pass no-go gauge 1 is 100 mm.
The long pass no-go gauge 2 is of a cylindrical structure, the axial length of the long pass no-go gauge 2 is 600mm, the axial length of the long pass no-go gauge 2 is larger than the axial length of the short pass no-go gauge 1 by 100mm, and the diameter of the long pass no-go gauge 2 is d3Diameter d of3The size smaller than the lower limit of the inner diameter of the superconducting conductor armor is 1 mm;
the rear end of the short pass no-go gauge 1 is connected with the front end of the long pass no-go gauge 2 through a connecting wire 3 with good bending resistance, and the front end of the short pass no-go gauge 1 and the rear end of the long pass no-go gauge 2 are respectively connected with connecting wires 4 and 5.
The short pass no-go gauge 1 is made of hard wear-resistant plastic.
The long pass no-go gauge 2 is made of aluminum material.
A method for detecting the inner diameter of a special-shaped armor of a superconducting conductor comprises the steps of enabling a connecting wire 4 at the front end of a short pass no-go gauge 1 to serve as a guide wire to penetrate through an inner hole of the armor of the superconducting conductor, enabling the short pass no-go gauge 1 and a long pass no-go gauge 2 to sequentially pass through the inner hole of the armor of the superconducting conductor by pulling the guide wire after the short pass no-go gauge 1 and the long pass no-go gauge 2 penetrate through the inner hole of the armor of the superconducting conductor, recording the position of the inner hole of the armor of which the size does not reach the standard when the short pass no-go gauge 1 and the long pass no-go gauge 2 cannot pass through the inner hole, and enabling.
Claims (4)
1. A superconducting conductor abnormal shape armour internal diameter detection device which characterized in that: the short pass no-go gauge comprises a short pass no-go gauge and a long pass no-go gauge, wherein the short pass no-go gauge is of a double-flat-top cone structure sharing a cone bottom, the middle of the short pass no-go gauge is provided with the cone bottom, the middle of the short pass no-go gauge is smoothly transited to a flat-top cone shape towards the front side and the rear side respectively so as to form the double-flat-top cone structure, and the diameter of the middle cone bottom of the short pass no-go gauge is1The diameter of the flat top at the front end and the rear end of the short pass no-go gauge is d2Diameter d of1Slightly smaller than the lower limit of the inner diameter of the superconducting conductor armor;
the long go no-go gauge is of a cylindrical structure, the axial length of the long go no-go gauge is greater than that of the short go no-go gauge, and the diameter of the long go no-go gauge is d3Diameter d of3Less than the lower inner diameter limit of the armor of the superconducting conductor;
the rear end of the short pass no-go gauge is connected with the front end of the long pass no-go gauge through a connecting wire with good bending resistance, and the front end of the short pass no-go gauge and the rear end of the long pass no-go gauge are respectively connected with the connecting wire; diameter d3Smaller than diameter d1Greater than the diameter d2。
2. The superconducting conductor special-shaped armor inner diameter detection device according to claim 1, wherein: the short pass no-go gauge is made of hard wear-resistant plastic.
3. The superconducting conductor special-shaped armor inner diameter detection device according to claim 1, wherein: the long pass no-go gauge is made of aluminum material.
4. The detection method of the superconducting conductor special-shaped armor inner diameter detection device based on the claim 1 is characterized in that: the connecting wire at the front end of the short pass no-go gauge is used as a guide wire to penetrate through an inner hole of the superconducting conductor armor, the short pass no-go gauge and the long pass no-go gauge sequentially pass through the inner hole of the superconducting conductor armor by pulling the guide wire after the short pass no-go gauge and the long pass no-go gauge penetrate through the inner hole of the superconducting conductor armor, if the size of the inner hole of the superconducting conductor armor does not reach the standard, the position of the short pass no-go gauge and the long pass no-go gauge which cannot pass is recorded, and the long pass no-go gauge and the short pass no-go gauge sequentially exit from.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710319553.7A CN107270801B (en) | 2017-05-09 | 2017-05-09 | Superconducting conductor abnormal shape armour internal diameter detection device |
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| CN201710319553.7A CN107270801B (en) | 2017-05-09 | 2017-05-09 | Superconducting conductor abnormal shape armour internal diameter detection device |
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| CN107270801A CN107270801A (en) | 2017-10-20 |
| CN107270801B true CN107270801B (en) | 2019-12-31 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106885505A (en) * | 2017-03-23 | 2017-06-23 | 浙江久立特材科技股份有限公司 | A kind of stainless steel tube hole size detection means |
| CN109631722B (en) * | 2018-12-10 | 2021-08-20 | 中国航发四川燃气涡轮研究院 | Method for detecting gap of cooling slot of engine flame tube |
| CN110534335B (en) * | 2019-08-22 | 2021-06-01 | 中国科学院合肥物质科学研究院 | Superconducting magnet joint superconducting cable intercept repairing device and method thereof |
| CN112033333A (en) * | 2020-04-21 | 2020-12-04 | 中国核工业第五建设有限公司 | Airtight gap detection device and detection method thereof |
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| US4247985A (en) * | 1979-07-02 | 1981-02-03 | Otis Engineering Corporation | TFL Caliper |
| EP1566609B1 (en) * | 2004-02-13 | 2007-01-03 | Indunorm Hydraulik GmbH | Device for measuring the internal dimension of a press fit |
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| JPS4831262B1 (en) * | 1968-11-16 | 1973-09-27 | ||
| CN2363265Y (en) * | 1999-01-22 | 2000-02-09 | 鞍山钢铁集团公司机械制造公司设计研究院 | Drift diameter machine for testing seamless petroleum pipe line |
| CN2704816Y (en) * | 2004-06-30 | 2005-06-15 | 胜利石油管理局无杆采油泵公司 | Experimental compasses for internal linearity |
| CN201897457U (en) * | 2010-12-10 | 2011-07-13 | 东方电气集团东方电机有限公司 | Extension type wide-measuring-range inner diameter measuring tool |
| CN203584352U (en) * | 2013-10-28 | 2014-05-07 | 中国海洋石油总公司 | Drift diameter gauge capable of dredging whole-well drill strings in one time |
| CN203925481U (en) * | 2014-06-26 | 2014-11-05 | 中国石油集团渤海钻探工程有限公司 | The effective jack rabbit of airtight retaining ring |
| CN205027275U (en) * | 2015-10-21 | 2016-02-10 | 中国石油集团钻井工程技术研究院 | Nonmetal oil jacket pipe jack rabbit |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4247985A (en) * | 1979-07-02 | 1981-02-03 | Otis Engineering Corporation | TFL Caliper |
| EP1566609B1 (en) * | 2004-02-13 | 2007-01-03 | Indunorm Hydraulik GmbH | Device for measuring the internal dimension of a press fit |
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Effective date of registration: 20171201 Address after: 230031 Hefei, Shushan, Lake Road, No. 1110, No. 350 mailbox Applicant after: Hefei Inst. of Matter Sciences, Chinese Academy of Sciences Address before: 230031 Shushan Lake Road, Shushan District, Anhui, China, No. 350, No. Applicant before: Hefei Inst. of Matter Sciences, Chinese Academy of Sciences Applicant before: Xibei Non-ferrous Metals Research Inst. |
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