CN102809608A - Trolley type automatic ultrasonic flaw-detecting machine with built-in robot for large cylindrical shell section parts - Google Patents

Trolley type automatic ultrasonic flaw-detecting machine with built-in robot for large cylindrical shell section parts Download PDF

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Publication number
CN102809608A
CN102809608A CN201210267464XA CN201210267464A CN102809608A CN 102809608 A CN102809608 A CN 102809608A CN 201210267464X A CN201210267464X A CN 201210267464XA CN 201210267464 A CN201210267464 A CN 201210267464A CN 102809608 A CN102809608 A CN 102809608A
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China
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place
roof beam
robot
active roll
driven voller
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CN201210267464XA
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CN102809608B (en
Inventor
赵永生
侯雨雷
韩春胜
姚建涛
曾达幸
沈二强
周玉林
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Yanshan University
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Yanshan University
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Abstract

The invention relates to a trolley type automatic ultrasonic flaw-detecting machine with a built-in robot for large cylindrical shell section parts. The trolley type automatic ultrasonic flaw-detecting machine comprises a working platform, a robot flaw-detecting trolley and an outer flaw-detecting device, and is characterized in that two parallel straight guide rails are arranged on the working platform, a driving roller carrier beam is perpendicularly and fixedly connected to axial ends of the two straight guide rails, a driven roller carrier beam is movably connected to the other ends of the two straight guide rails, two driving roller supports are arranged at two ends of the driving roller carrier beam, two driven roller supports are arranged at two ends of the driven roller carrier beam, and driving rollers and driven rollers are respectively supported on the driving roller supports and the driven roller supports by rotating pairs; and an outer guide rail is arranged on the same side of the driving roller carrier beam and the driven roller carrier beam, and the outer flaw-detecting device is movably connected onto the outer guide rail. The trolley type automatic ultrasonic flaw-detecting machine has the advantages of simplicity in operation, safety, reliability, simple structure, low cost, small occupied space and capability of automatically ultrasonically detecting flaws of the large cylindrical shell section parts.

Description

The large-scale shell ring class of built-in robot car formula part automatic ultrasonic inspection machine
Technical field
The invention belongs to the ultrasonic test equipment technical field, relate in particular to the large-scale shell ring class of a kind of built-in robot car formula part automatic ultrasonic inspection machine.
Background technology
UT (Ultrasonic Testing) can be checked its internal volume defective under the prerequisite of not destroying workpiece, be a gordian technique of quality assurance during national Important Project and all kinds of important civil goods are made.Field large-scale workpieces such as the main parts size of nuclear power plant equipment, large-scale generating set and various large-scale pipeline, bridge member, ocean, aviation etc. all need carry out UT (Ultrasonic Testing) or other form nondestructive examination, to guarantee the life-cycle safe operation of equipment.
Ultrasound wave robotization flaw detection developed countries such as U.S.A, day, moral have use, but and its gordian technique reference information is blocked.At home, the ultrasound wave robotization of steel pipe seam flaw detection is used more extensive.Utility model patent: " a kind of gate-type driving defectoscope " (CN201653987U); The weld seam that is primarily aimed at the large-scale spiral welded tube carries out automated ultrasonic flaw detecting; During flaw detection, driving is moved on the track on the portal frame, moves towards flaw detection along weld seam; It can not realize surveying the requirement of incompatible whole detection process rules for surface of the work and whole volume.
The UT (Ultrasonic Testing) of use at present is most to be manual operations, promptly surface of the work subregion, operator's hand hold transducer, observe oscillographic mode, mainly pass judgment on according to individual skill and experience, Effect on Detecting, individual level are difficult to unification.Manual flaw detection labor strength is big, and each workpiece flaw detection required time is longer, and the production cycle significantly prolongs, even has become the bottleneck of some enterprise's whole production technology chain of restriction, has a strong impact on manufacturing schedule and production efficiency; In addition; Because it is less to have the operating personnel of flaw detection qualification, the workman often works extra shifts or extra hours, and causes tired operation; Detection process is easy to produce erroneous judgement; Human body physiological characteristics particularly all can not be lasting like notice, manual manipulation power, speed, stability, influences the reliability and the accuracy of workpiece flaw detection to a certain extent.This situation must be improved.
Summary of the invention
The object of the present invention is to provide the large-scale straight shell ring class part automatic ultrasonic inspection machine of a kind of built-in robot car formula; Realize the auto-ultrasonic carrying out flaw detection through it; To improve flaw detection throughput rate; Shorten the production cycle, strengthen reliability, improve the problems such as fluctuation of service that manual flaw detection labour intensity is big and avoid the omission of manual flaw detection and bring because of human body physiological characteristics.
Basic thought of the present invention is turning round as support and driving workpiece along the roller frame that guide rail moves, by cooperating workpiece self rotation completion to detect a flaw along outside failure detector and the built-in downside robot flaw detection dolly that outer guide moves.
The technical scheme that the present invention adopted is following:
The present invention includes workbench, robot flaw detection dolly and outer failure detector; Wherein: on workbench, be provided with two straight guides that are parallel to each other; An axial end vertically is fixedly connected with active roll and sets a roof beam in place on two straight guides; The other end moves and is connected with driven voller wheel and sets a roof beam in place; Two ends are provided with two active roll supports on active roll is set a roof beam in place, and two ends are provided with two driven voller wheel supports on the driven voller wheel is set a roof beam in place, and on active roll support and driven voller wheel support, are supported with active roll and driven running roller with revolute pair respectively; On the same side that active roll is set a roof beam in place and the driven voller wheel is set a roof beam in place, be provided with outer guide; Outer guide one end and active roll are set a roof beam in place and are connected firmly; The other end is set a roof beam in place to move with the driven voller wheel and is connected, failure detector outside mobile being connected with on outer guide, and the end of outer failure detector is a ultrasonic probe.
Said active roll support is set a roof beam in place with active roll and is connected through moving sets, and the driven voller wheel support is set a roof beam in place with the driven voller wheel and is connected through moving sets.
Said robot flaw detection dolly comprises little car body, and symmetry is fixedly connected with two C-form stands under the little car body, and two C-form stand openings outwards and be positioned at same plane; Under C-form stand, be provided with roller symmetrically, be fixedly connected with a support, on support, vertically be provided with square adjusting screw(rod) in little car body one side; Square adjusting screw(rod) passes support; And fix through two adjusting lock nuts and support, be set with level pressure power spring in square adjusting screw(rod) lower end, level pressure power spring lower end and probe floating hinge joint.
Present domestic technical standard and the standard of setting up automated ultrasonic flaw detecting, and along with the continuous development of producing, automated ultrasonic flaw detecting will be the only way in Non-Destructive Testing field.The present invention is intended to enhance productivity, improves working conditions, improves the product safety quality, has important techniques and is worth.
The present invention compared with prior art has following advantage: realized large-scale shell ring class part auto-ultrasonic carrying out flaw detection; Improved flaw detection efficient; Shortened the production cycle; The flaw detection good reliability, improve and avoided that manual flaw detection labour intensity is big, the omission of manual flaw detection and the problems such as fluctuation of service brought because of human body physiological characteristics.The present invention is simple to operate, and is safe and reliable; Simple in structure, cost is low, and it is little to take up room.
Description of drawings
Fig. 1 is the outside defect-detecting equipment structural representation of the large-scale shell ring class of the built-in robot car formula of the present invention part automatic ultrasonic inspection machine;
Fig. 2 is the large-scale shell ring class of the built-in robot car formula of the present invention part automatic ultrasonic inspection machine robot flaw detection vehicle structure synoptic diagram;
Fig. 3 is the large-scale shell ring class of the built-in robot car formula of a present invention part automatic ultrasonic inspection machine working state schematic representation.
Among the figure: 1, workbench, 2, straight guide, 3, active roll sets a roof beam in place, 4, the driven voller wheel sets a roof beam in place, 5, outer guide; 6, outer failure detector, 7, the robot roller, 8, C-form stand, 9, support, 10, square adjusting screw(rod); 11, adjusting lock nut, 12, little car body, 13, level pressure power spring, 14, probe; 15, active roll support, 16, the driven voller wheel support, 17, active roll, 18, driven running roller.
Embodiment
To combine accompanying drawing and embodiment that the present invention is described further as follows.Like Fig. 1, shown in 2, the large-scale shell ring class of built-in robot car formula involved in the present invention part automatic ultrasonic inspection machine is formed and is comprised workbench, robot flaw detection dolly and outer failure detector.
Workbench 1 of the present invention is provided with two fixedly straight guides 2 that are parallel to each other, and on straight guide 2, is provided with active roll and sets a roof beam in place and 3 set a roof beam in place 4 with driven voller wheel; Active roll set a roof beam in place 3 be fixed on straight guide 2 an axial end; Other end driven voller wheel set a roof beam in place 4 with 2 removable connections of formation of guide rail, can be adjusted at the position on the straight guide 2 according to the length of cylindrical shell sections difference, setting a roof beam in place at active roll, two ends are provided with two active roll supports 15 on 3; Setting a roof beam in place at driven voller wheel, two ends are provided with two driven voller wheel supports 16 on 4; Active roll support 15 and active roll set a roof beam in place 3, driven voller wheel support 16 and driven voller wheel are set a roof beam in place 4 all is connected through moving sets, and is provided with two gears of co-located correspondence, and all straight shell rings are divided into big or small two groups by diameter; Corresponding with two gears, guarantee that all straight shell rings all can realize detecting a flaw; Active roll support 15 supports active roll 17 and driven running roller 18 with revolute pair respectively with driven voller wheel support 16.
Active roll set a roof beam in place 3 with the driven voller wheel the same side on 4 of setting a roof beam in place, be provided with outer guide 5, its down and active roll set a roof beam in place and 3 connect firmly; And set a roof beam in place with driven voller wheel and 4 to move and be connected; Be outer failure detector 6 on it, outer failure detector 6 can move along outer guide 5, and its end is a ultrasonic probe.Robot flaw detection dolly comprises robot roller 7, C-form stand 8, support 9, square adjusting screw(rod) 10, adjusting lock nut 11, dolly body 12, level pressure power spring 13 and pops one's head in 14.Wherein: dolly body 12 times and two C-form stands 8 connect firmly; Two C-form stands 8 for opening outwards and be positioned at same plane; Four leg lower ends of C-form stand 8 are provided with that four identical in structure can be rotated synchronously, the roller 7 of synchronous change direction, and support 9 is fixed on the dolly body 12 of robot flaw detection dolly, and square adjusting screw(rod) 10 passes support 9; And through two adjusting lock nuts' 11 realization upper-lower position adjustment and fixing; Level pressure power spring 13 is sleeved on square adjusting screw(rod) 10 lower ends, and floating with probe 14 and contact in level pressure power spring 13 lower ends, and keeps certain pressure.
Robot flaw detection dolly can be in straight shell ring workpiece along the circumferential direction simultaneously, axially-movable; Accomplish the double helix movement locus; Four rolling plane, 7 place and shell ring axis are provided with certain angle; When four rolling 7 was synchronized driving, the absolute circle circular velocity of roller 7 was identical with the peripheral speed of straight shell ring in the component velocity of straight shell ring circumferencial direction, i.e. along the circumferential direction the absolute position is constant in straight shell ring for robot flaw detection dolly.The absolute circle circular velocity of roller 7 then makes robot flaw detection dolly axially move along shell ring in the axial component velocity of shell ring; 7 whiles of four rolling, synchronous communicating when arriving the shell ring border; Robot car axially returns along shell ring, and so repeatedly circulation can realize flaw detection.When the shell ring uniform rotation, the built-in robot flaw detection dolly of outer failure detector 6, shell ring is realized and the artificial identical effect of detecting a flaw simultaneously along the axial back and forth movement of shell ring, formation double helix track.
Defectoscope duty of the present invention is as shown in Figure 3, at first takes turns 4 positions of setting a roof beam in place according to the concrete adjusted size driven voller of workpiece, hangs in workpiece afterwards; Built-in dolly is put into an end of work piece inner surface, and adjusts in placely, outer failure detector 6 moves to assigned address along outer guide 5; The active roll 17 of being set a roof beam in place on 3 by active roll then drives at the uniform velocity gyrations of workpiece; The robot flaw detection dolly that is built in the workpiece is done the double helix motion in workpiece, outer failure detector 6 is done axial straight reciprocating motion, cooperates the gyration of workpiece self; Probe track also is the double helix motion, accomplishes flaw detection after certain cycle index.Remove outer failure detector 6, the robot flaw detection dolly of moving after manual review is errorless, is left workpiece under order.

Claims (3)

1. the large-scale shell ring class of built-in robot car formula part automatic ultrasonic inspection machine; Comprise workbench, robot flaw detection dolly and outer failure detector; It is characterized in that: workbench is provided with two straight guides that are parallel to each other; An axial end vertically is fixedly connected with active roll and sets a roof beam in place on two straight guides, and the other end moves and is connected with the driven voller wheel and sets a roof beam in place, and two ends are provided with two active roll supports on active roll is set a roof beam in place; Two ends are provided with two driven voller wheel supports on the driven voller wheel is set a roof beam in place, and on active roll support and driven voller wheel support, are supported with active roll and driven running roller with revolute pair respectively; On the same side that active roll is set a roof beam in place and the driven voller wheel is set a roof beam in place, be provided with outer guide; Outer guide one end and active roll are set a roof beam in place and are connected firmly; The other end is set a roof beam in place to move with the driven voller wheel and is connected, failure detector outside mobile being connected with on outer guide, and the end of outer failure detector is a ultrasonic probe.
2. the large-scale shell ring class of built-in robot car formula according to claim 1 part automatic ultrasonic inspection machine; It is characterized in that: said active roll support is set a roof beam in place with active roll and is connected through moving sets, and the driven voller wheel support is set a roof beam in place with the driven voller wheel and is connected through moving sets.
3. the large-scale shell ring class of built-in robot car formula according to claim 1 part automatic ultrasonic inspection machine is characterized in that: said robot flaw detection dolly comprises little car body, and symmetry is fixedly connected with two C-form stands under the little car body; Two C-form stand openings outwards and be positioned at same plane; Under C-form stand, be provided with roller symmetrically, be fixedly connected with a support, on support, vertically be provided with square adjusting screw(rod) in little car body one side; Square adjusting screw(rod) passes support; And fix through two adjusting lock nuts and support, be set with level pressure power spring in square adjusting screw(rod) lower end, level pressure power spring lower end and probe floating hinge joint.
CN201210267464.XA 2012-07-30 2012-07-30 Trolley type automatic ultrasonic flaw-detecting machine with built-in robot for large cylindrical shell section parts Expired - Fee Related CN102809608B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107132275A (en) * 2016-02-29 2017-09-05 沈阳海纳自动化设备有限公司 One kind flaw detection robot
CN108072675A (en) * 2018-02-07 2018-05-25 河海大学 The detection device and detection method of complicated Hydro-concrete Structures reinforcing bar buried depth
CN108468868A (en) * 2018-03-09 2018-08-31 无锡市锡东橡塑机械有限公司 A kind of header pipeline inspection holder
CN114434050A (en) * 2021-12-18 2022-05-06 安徽省祥森热力有限公司 Acceptance repair welding system applied to large biomass boiler welding manufacturing
RU2782309C1 (en) * 2022-02-01 2022-10-25 Алексей Михайлович Кашин Installation for flaw detection scanning
WO2023149820A1 (en) * 2022-02-01 2023-08-10 Алексей Михайлович КАШИН Flaw detection scanning method and device

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WO2008068972A1 (en) * 2006-12-04 2008-06-12 Sumitomo Metal Industries, Ltd. Follow-up device for detecting flaw of pipe and automatic flaw detection apparatus of pipe employing it
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107132275A (en) * 2016-02-29 2017-09-05 沈阳海纳自动化设备有限公司 One kind flaw detection robot
CN108072675A (en) * 2018-02-07 2018-05-25 河海大学 The detection device and detection method of complicated Hydro-concrete Structures reinforcing bar buried depth
CN108072675B (en) * 2018-02-07 2020-10-27 河海大学 Detection device and detection method for embedding depth of steel bar in complex hydraulic concrete structure
CN108468868A (en) * 2018-03-09 2018-08-31 无锡市锡东橡塑机械有限公司 A kind of header pipeline inspection holder
CN114434050A (en) * 2021-12-18 2022-05-06 安徽省祥森热力有限公司 Acceptance repair welding system applied to large biomass boiler welding manufacturing
CN114434050B (en) * 2021-12-18 2023-10-20 安徽省祥森热力有限公司 Acceptance repair welding system applied to welding manufacture of large biomass boiler
RU2782309C1 (en) * 2022-02-01 2022-10-25 Алексей Михайлович Кашин Installation for flaw detection scanning
RU2782504C1 (en) * 2022-02-01 2022-10-28 Алексей Михайлович Кашин Method for scanning an area inspection object and installation for its implementation
WO2023149820A1 (en) * 2022-02-01 2023-08-10 Алексей Михайлович КАШИН Flaw detection scanning method and device
RU2803283C1 (en) * 2022-12-28 2023-09-12 Общество с ограниченной ответственностью "Газпром трансгаз Самара" Device for moving instrument sensors in non-destructive testing of magnetic materials

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