CN108254436A - A kind of cable installation for the detection of horizontal steam generator heat-transfer pipe vortex - Google Patents

A kind of cable installation for the detection of horizontal steam generator heat-transfer pipe vortex Download PDF

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Publication number
CN108254436A
CN108254436A CN201611248012.1A CN201611248012A CN108254436A CN 108254436 A CN108254436 A CN 108254436A CN 201611248012 A CN201611248012 A CN 201611248012A CN 108254436 A CN108254436 A CN 108254436A
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CN
China
Prior art keywords
fixed
flange
cable
guide rails
rotating
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CN201611248012.1A
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CN108254436B (en
Inventor
朱良
秦华容
陈川
吴海林
王家建
施春丰
马连骥
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CNNC Operation and Maintenance Technology Co.,Ltd.
China Nuclear Power Operation Technology Corp Ltd
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Research Institute of Nuclear Power Operation
China Nuclear Power Operation Technology Corp Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
    • G01N27/9013Arrangements for scanning
    • G01N27/902Arrangements for scanning by moving the sensors
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

Abstract

A kind of cable installation for the detection of horizontal steam generator heat-transfer pipe vortex, the rotating platform including upper end, double column guide rails, hoistable platform and double taper attachments;Hoistable platform carries double taper attachments and moves up and down along double column guide rails, and rotating platform drives double column guide rails, hoistable platform and the rotation of double taper attachments;Double taper attachments 4 drive the movement of eddy current probe;In the rotating platform, upper strata flange is fixed by pillar with lower floor flange;Gear wheel is fixed on the flange of upper strata;Electrical box A is then fixed on lower floor's flange;Cable rotating mechanism is arranged between lower floor's flange, upper strata flange;Support base is fixed on rotating ring, and electrical box B and double column guide rails are each attached on support base;Motor mount is also secured on rotating ring, and in the motor that is fixedly arranged above of motor mount, lower section is equipped with pinion gear;By the driving of motor, rotating ring drives double column guide rail rotations.

Description

A kind of cable installation for the detection of horizontal steam generator heat-transfer pipe vortex
Technical field
The technology belongs to cable installation field, and in particular to a kind of to be used for what horizontal steam generator heat-transfer pipe vortex detected Cable installation.
Background technology
In nuclear power station, steam generator heat-transfer pipe is the capital equipment of nuclear power station and the pressure side of reactor cooling system Boundary, pressure boundary area account for more than 70% primary Ioops boundary.Since heat-transfer pipe is the thin-wall tube of 1mm or so, Er Qieyun Row operating mode is very severe, so heat-transfer pipe is always primary Ioops pressure boundary link the weakest.International nuclear power operational data Statistics shows that about more than 50% is occurring the different degrees of breakage of heat-transfer pipe with steam generator.Domestic and international each nuclear power Country periodically implements preservice inspection and inservice inspection to steam generator heat-transfer pipe.
The steam generator for horizontal double collecting pipe structures that the steam generator of VVER-1000M units uses, heat-transfer pipe are adopted With horizontally disposed, referred to as horizontal steam generator.More than 10000 heat-transfer pipe is stood by internal diameter φ 834mm, wall thickness 171mm two Heat-transfer pipe is divided into cold and hot two large divisions by formula header, and using hydraulic pressure and mechanical expanding on header.
In view of the particularity of horizontal steam generator structure, probe positioning used and taper attachment and vertical steam generator It is entirely different.Pipe vortex detection device needs to initially pass through the manhole of φ 500mm, enters back into the header of internal diameter φ 834mm, high 5m It is interior, carry out eddy current inspection.
Invention content
It is an object of the invention to:A kind of cable installation for the detection of horizontal steam generator heat-transfer pipe vortex is provided, It avoids the problem that cable winds occur during the motion for equipment, improves the safety of cable, employ cable structure, ensure that The reliability of equipment..
Technical scheme is as follows:A kind of horizontal steam generator heat-transfer pipe vortex detection device, including upper end Rotating platform, double column guide rails, hoistable platform and double taper attachments;Hoistable platform carries double taper attachments along double column guide rails It moves up and down, and rotating platform drives double column guide rails, hoistable platform and the rotation of double taper attachments;Double taper attachments 4 drive whirlpool Flow the movement of probe;
In the rotating platform, upper strata flange is fixed by pillar with lower floor flange;Gear wheel is fixed on the flange of upper strata; Electrical box A is then fixed on lower floor's flange;Cable rotating mechanism is arranged between lower floor's flange, upper strata flange;Support base is fixed On rotating ring, electrical box B and double column guide rails are each attached on support base;Motor mount is also secured on rotating ring, Motor mount is fixedly arranged above motor, and lower section is equipped with pinion gear;By the driving of motor, rotating ring drives double column guides Rail rotates.
The cable rotating mechanism includes outer ring, inner ring, support plate, baffle and rotation drag chain;Outer ring is consolidated with lower floor flange Fixed, the stent above inner ring is fixed with rotating ring;Support plate is fixed on outer ring, and baffle is then fixed on the supporting plate, baffle Bottom surface and the bottom of inner ring are not contacted there are certain gap;Rotate connector A, the connector B at drag chain both ends respectively with inner ring and outer Circle is fixed;The trepanning in inner ring so that the cable in rotation drag chain can be pierced by from inner ring;It is hollow inside double column guide rails Structure, face trepanning corresponding with the hole in inner ring so that cable can be from inner ring directly through double column guide rails, and finally connection is electric Gas box B.
Stent above the inner ring is screwed with rotating ring.
The top connection of lifting drag chain is fixed on support base, and lower contact is fixed on hoistable platform, and cable envelope is lifting Inside drag chain.
The remarkable result of the present invention is:
1) increase in eddy current testing device, cable is divided into several sections, convenient for the dismounting of equipment and the repair of cable and more It changes.
2) using the scheme of electric cable rotary structure, the equipment risk that cable is wound in rotary course is solved, raising is set Standby safety.
3) electric cable rotary structure is arranged between two layers of flange up and down, and foreign matter is avoided to enter in electric cable rotary structure, is caused The failure of cable.
4) trepanning on the inner ring and column of cable rotational structure so that cable can pass through hollow column from drag chain, Electrical box is connected, the winding that cable will not be with other parts, scratch problem is ensure that, cable is protected.
5) it in cable rotational structure, is fixed on outer ring using support plate, in the rotary course of drag chain, to rotary mop Chain guides, and ensures the safety of drag chain.
6) lifting drag chain is applied in the environment of long stroke standing.Cable envelope avoids cable in drag chain is lifted It winds and scratches during exercise in hoistable platform and double taper attachments, ensure the safe and reliable operation of equipment.
Description of the drawings
Fig. 1 is the cable installation schematic diagram of the present invention for the detection of horizontal steam generator heat-transfer pipe vortex;
Fig. 2 is that the cable installation rotating platform of the present invention for the detection of horizontal steam generator heat-transfer pipe vortex shows It is intended to;
Fig. 3 is that the cable installation lifting drag chain of the present invention detected for horizontal steam generator heat-transfer pipe vortex shows It is intended to;
Fig. 4 is the cable installation of the present invention for the detection of horizontal steam generator heat-transfer pipe vortex
In figure:1 rotating platform, 2 pairs of column guide rails, 3 hoistable platforms, 4 pairs of taper attachments, 5 lower floor's flanges, 6 upper strata flanges, 7 pillars, 8 gear wheels, 9 electrical box A, 10 electric cable rotary structures, 11 rotating rings, 12 support bases, 13 electrical box B, the installation of 14 motors Seat, 15 motors, 16 pinion gears, 17 outer rings, 18 inner rings, 19 support plates, 20 baffles, 21 rotation drag chains, 22 connector A, 23 stents, 24 Lift drag chain, 25 top connections, 26 lower contacts, 27 connector B, 28 holes
Specific embodiment
A kind of horizontal steam generator heat-transfer pipe vortex detection device includes the rotating platform 1 of upper end, double column guide rails 2, Hoistable platform 3 and double taper attachments 4.Hoistable platform 3 carries double taper attachments 4 and moves up and down along double column guide rails 2, and rotates Platform 1 drives double column guide rails (2), hoistable platform 3 and double taper attachments 4 to rotate.Double taper attachments 4 drive the fortune of eddy current probe It is dynamic.
Rotating platform 1 includes lower floor's flange 5, upper strata flange 6, pillar 7, gear wheel 8, electrical box A9, cable rotating mechanism 10th, rotating ring 11, support base 12, electrical box B13, motor mount 14, motor 15, pinion gear 16, column 2.
Upper strata flange 6 is fixed by pillar 7 and lower floor flange 5.Gear wheel 8 is fixed on upper strata flange 6.Electrical box A9 is then It is fixed on lower floor's flange 5.Cable rotating mechanism 10 is arranged between lower floor's flange 5, upper strata flange 6.Support base 12 is fixed on On rotating ring 11, electrical box B13 and double column guide rails 2 are each attached on support base 12.Motor mount 14 is also secured at rotation On ring 11, motor 15 is fixedly arranged above in motor mount 14, lower section is equipped with pinion gear 16.By the driving of motor 15, Rotating ring 11 drives double column guide rails 2 to rotate.
Cable rotating mechanism 10 includes outer ring 17, inner ring 18, support plate 19, baffle 20 and rotation drag chain 21.Outer ring 17 with Lower floor's flange 5 is fixed, and the stent 23 of 18 top of inner ring is screwed with rotating ring 11.Support plate 19 is fixed on outer ring 17, Baffle 20 is then fixed in support plate 19, and the bottom surface of baffle 20, there are certain gap, is not contacted with the bottom of inner ring 18.Rotation Connector A (22), the connector B27 at 21 both ends of drag chain are fixed respectively with inner ring 18 and outer ring 17.The trepanning 28 in inner ring 18 so that rotation Turning the cable in drag chain 21 can be pierced by from inner ring 18.It is hollow structure inside double column guide rails 2, with the hole 28 in inner ring 18 Corresponding face trepanning so that cable can finally connect electrical box B13 from inner ring 18 directly through double column guide rails 2.
The top connection 25 of lifting drag chain 24 is fixed on support base 12, and lower contact 26 is fixed on hoistable platform 3, cable packet Network is inside lifting drag chain 24.

Claims (5)

1. a kind of cable installation for the detection of horizontal steam generator heat-transfer pipe vortex, it is characterised in that:Rotation including upper end Turn platform (1), double column guide rails (2), hoistable platform (3) and double taper attachments (4);Hoistable platform (3) carries double taper attachments (4) it moves up and down along double column guide rails (2), and rotating platform (1) drives double column guide rails (2), hoistable platform (3) and pair pushes away Pulling device (4) rotates;The movement of double taper attachment (4) driving eddy current probes.
2. a kind of cable installation for the detection of horizontal steam generator heat-transfer pipe vortex according to claim 1, special Sign is:In the rotating platform (1), upper strata flange (6) is fixed by pillar (7) and lower floor's flange (5);Gear wheel (8) is solid It is scheduled on upper strata flange (6);Electrical box A (9) is then fixed on lower floor's flange (5);Cable rotating mechanism (10) is arranged in lower floor Between flange (5), upper strata flange (6);Support base 12 is fixed on rotating ring (11), electrical box B (13) and double column guide rails (2) It is each attached on support base (12);Motor mount (14) is also secured on rotating ring (11), in the upper of motor mount (14) Side is fixed with motor (15), and lower section is equipped with pinion gear (16);By the driving of motor (15), rotating ring (11) drives double columns Guide rail (2) rotates.
3. a kind of cable installation for the detection of horizontal steam generator heat-transfer pipe vortex according to claim 2, special Sign is:The cable rotating mechanism (10) includes outer ring (17), inner ring (18), support plate (19), baffle (20) and rotary mop Chain (21);Outer ring 17 is fixed with lower floor flange 5, and the stent (23) and rotating ring (11) of 18 top of inner ring are fixed;Support plate (19) It is fixed on outer ring (17), baffle (20) is then fixed in support plate (19), the bottom surface of baffle (20) and the bottom of inner ring (18) There are certain gaps, do not contact;Rotate drag chain (21) both ends connector A (22), connector B (27) respectively with inner ring (18) and outside It is fixed to enclose (17);The trepanning (28) in inner ring (18) so that the cable in rotation drag chain (21) can be pierced by from inner ring (18); It is hollow structure that double column guide rails (2) are internal, with the 28 corresponding face trepanning of hole in inner ring 18 so that cable can be from inner ring (18) In directly through double column guide rails (2), finally connect electrical box B (13).
4. a kind of cable installation for the detection of horizontal steam generator heat-transfer pipe vortex according to claim 3, special Sign is:Stent (23) above the inner ring (18) is screwed with rotating ring (11).
5. a kind of cable installation for the detection of horizontal steam generator heat-transfer pipe vortex according to claim 1, special Sign is:The top connection (25) of lifting drag chain (24) is fixed on support base 12, and lower contact (26) is fixed on hoistable platform (3) On, cable envelope is internal in lifting drag chain (24).
CN201611248012.1A 2016-12-29 2016-12-29 Cable device for vortex detection of horizontal steam generator heat transfer tube Active CN108254436B (en)

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Application Number Priority Date Filing Date Title
CN201611248012.1A CN108254436B (en) 2016-12-29 2016-12-29 Cable device for vortex detection of horizontal steam generator heat transfer tube

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Application Number Priority Date Filing Date Title
CN201611248012.1A CN108254436B (en) 2016-12-29 2016-12-29 Cable device for vortex detection of horizontal steam generator heat transfer tube

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CN108254436B CN108254436B (en) 2023-10-24

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111397427A (en) * 2019-01-02 2020-07-10 核动力运行研究所 Installation device for vertical tube plate positioner of heat exchanger
CN117657902A (en) * 2024-02-01 2024-03-08 苏州一目万相科技有限公司 Cable winding and unwinding device of C-shaped arm and C-shaped arm
CN117657903A (en) * 2024-02-01 2024-03-08 苏州一目万相科技有限公司 Cable winding and unwinding device of C-shaped arm and C-shaped arm

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US4625165A (en) * 1981-09-28 1986-11-25 Samuel Rothstein Tube inspection probe with rotating eddy current coil
US5111142A (en) * 1990-08-08 1992-05-05 Systems Research Laboratories, Inc. Eddy current proble with adjustable position rotating head
US5327079A (en) * 1992-05-13 1994-07-05 Abb Reaktor Gmbh Method and device for non-destructive testing of a penetration of a reactor pressure vessel lid
JPH08338830A (en) * 1995-06-12 1996-12-24 Ishikawajima Harima Heavy Ind Co Ltd Flaw detection test device of pipe
JPH09243782A (en) * 1996-03-04 1997-09-19 Mitsubishi Heavy Ind Ltd Inspecting guide device for heat exchanger tube
JPH1026610A (en) * 1996-07-11 1998-01-27 Ishikawajima Harima Heavy Ind Co Ltd Tube welding position analyzer
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CN101650339A (en) * 2009-07-28 2010-02-17 河南省中原内配股份有限公司 Special eddy current flaw detector of cylinder sleeve
CN204008554U (en) * 2014-08-04 2014-12-10 吴立新 A kind of probe holder regulating device of Steel Pipe Eddy Detection
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111397427A (en) * 2019-01-02 2020-07-10 核动力运行研究所 Installation device for vertical tube plate positioner of heat exchanger
CN117657902A (en) * 2024-02-01 2024-03-08 苏州一目万相科技有限公司 Cable winding and unwinding device of C-shaped arm and C-shaped arm
CN117657903A (en) * 2024-02-01 2024-03-08 苏州一目万相科技有限公司 Cable winding and unwinding device of C-shaped arm and C-shaped arm
CN117657902B (en) * 2024-02-01 2024-05-10 苏州一目万相科技有限公司 Cable winding and unwinding device of C-shaped arm and C-shaped arm
CN117657903B (en) * 2024-02-01 2024-05-31 苏州一目万相科技有限公司 Cable winding and unwinding device of C-shaped arm and C-shaped arm

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Effective date of registration: 20240617

Address after: 430223 no.1021 Minzu Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province

Patentee after: CHINA NUCLEAR POWER OPERATION TECHNOLOGY Corp.,Ltd.

Country or region after: China

Patentee after: CNNC Operation and Maintenance Technology Co.,Ltd.

Address before: 430223 no.1021 Minzu Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province

Patentee before: RESEARCH INSTITUTE OF NUCLEAR POWER OPERATION

Country or region before: China

Patentee before: CHINA NUCLEAR POWER OPERATION TECHNOLOGY Corp.,Ltd.