CN205449891U - Little entry vertical vessel inner wall ultrasonic detection device of nuclear power station - Google Patents
Little entry vertical vessel inner wall ultrasonic detection device of nuclear power station Download PDFInfo
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- CN205449891U CN205449891U CN201521131900.6U CN201521131900U CN205449891U CN 205449891 U CN205449891 U CN 205449891U CN 201521131900 U CN201521131900 U CN 201521131900U CN 205449891 U CN205449891 U CN 205449891U
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- vertical vessel
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- power station
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Abstract
The utility model relates to a container inner wall ultrasound technology field specifically discloses a little entry vertical vessel inner wall ultrasonic detection device of nuclear power station. Base and roof form frame construction through fixed stand between the two among the the device, install the roating seat at the base lower extreme of upper end, sweep that to look into arm members articulated with the roating seat, can realize sweeping the swing of looking into arm members, still install a plurality of guide bars between base and roof to the cover has the slider on the guide bar, and the extension cylinder of fixing in the stand is connected with the connecting block of fixing on the slider, and the both ends of connecting rod are looked into arm members and are articulated with sweeping with the connecting block respectively, extend cylinder drive connecting block to under the guide effect of slider and guide bar, the drive connecting rod swing. This inspection device deployment process safety, reliable, the safe risk of inspection are showing and are reducing, and the checking efficiency obviously improves, have guaranteed to check on the quality, provide effective foundation for the ageing management of equipment.
Description
Technical field
The invention belongs to container inner wall ultrasound field, be specifically related to a kind of nuclear power station little entrance vertical vessel inwall ultrasonic inspection apparatus.
Background technology
In nuclear power station, equipment is numerous, and the form of weld seam, position are also not quite similar.Having some vertical vessels, inlet diameter is less, and girth joint is positioned in the inner chamber being relatively large in diameter, and is to be sent into inside container by inspection equipment the automatic ultrasonic check system that such weld seam is more satisfactory, and on inwall, butt welded seam carries out automatic ultrasonic inspection.
Because the inlet diameter of container is less, equipment needs when entering container to be shrunk to less volume, when reaching commissure, needs trail, then being checked with container inner wall laminating by ultrasonic probe, the process needs of expansion are safe and reliable, and needs carry many groups and visit first time raising inspection efficiency, during inspection, probe needs the moment to be adjacent to container inner wall, also needs sustainable supply couplant.
Summary of the invention
It is an object of the invention to provide a kind of nuclear power station little entrance vertical vessel inwall ultrasonic inspection apparatus, can realize inlet diameter little, the vertical vessel that intracavity diameter residing for weld seam is big carries out safe, reliable, efficient ultrasonic examination.
Technical scheme is as follows: a kind of nuclear power station little entrance vertical vessel inwall ultrasonic inspection apparatus, this device includes column, stretches cylinder, slide block, connecting rod, scanning arm parts, base and top board, wherein, base and top board form frame structure by column fixing between the two, in the base lower end of upper end, rotating seat is installed, scanning arm parts are hinged with rotating seat, can realize the swing of scanning arm parts；Being also equipped with some guide posts between base and top board, and be cased with slide block on the guide bar, the cylinder that stretches being fixed in column is connected with the contiguous block being fixed on slide block, and the two ends of connecting rod are hinged with contiguous block and scanning arm parts respectively；Stretching air cylinder driven contiguous block, and under the guide effect of slide block and guide post, drivening rod swings, and promotes scanning arm parts to move to horizontal device when stretching air cylinder air source and interrupting, and scanning arm parts realize regaining under gravity.
Described scanning arm parts include scanning arm, hold out against cylinder, probe tray and support bar, wherein, hold out against cylinder scanning arm is internally installed, and hold out against the support bar that cylinder arranges with scanning arm front end and be connected, probe clip is connected with support bar by probe tray, when scanning arm is horizontal, holds out against cylinder and stretches out, and promote support bar to hold out against forward, and then make to be arranged on the ultrasonic probe within probe clip and container inner wall laminating.
It is also equipped with water supply joint and end feed pipe on the described support bar in scanning arm parts.
Described rotating seat and two scanning arm parts being arranged symmetrically with are hinged.
Described ultrasonic inspection apparatus, can be under the effect stretching cylinder, and with the contraction state entrance by little entrance vertical vessel, then the inner chamber at little entrance vertical vessel launches.
The described a pair scanning arm parts being arranged symmetrically with can realize being fitted with container inner wall by 16 ultrasonic probes simultaneously, and a scanning can collect required parameter, it is not necessary to changes ultrasonic probe, it is not necessary to carry out repeatedly scanning, improve inspection efficiency.
Described water supply joint can be that ultrasonic probe provides couplant, it is not necessary to is saturated with water inside container.
The remarkable result of the present invention is: a kind of nuclear power station of the present invention little entrance vertical vessel inwall ultrasonic inspection apparatus can enter into inside vertical vessel from the entrance that diameter is less under the conveying of vehicle equipment, launches at the inner chamber being relatively large in diameter；Launch process safety, reliable, because of power supply, the accidental interruption of source of the gas or the bite of drive mechanism, accident will not occur；Can carry 16 ultrasonic probes, a scanning can complete the collection of all parameters, it is to avoid equipment is repeatedly installed, changed ultrasonic probe simultaneously；In checking process, probe can ensure to fit tightly with the container inner wall moment, couplant sustainable supply；These advantages make the security risk checked significantly reduce, and check that efficiency significantly improves, it is ensured that checking on the quality, the aging management for equipment provides effective foundation.
Accompanying drawing explanation
Fig. 1 is a kind of nuclear power station little entrance vertical vessel inwall ultrasonic inspection apparatus perspective view of the present invention；
Fig. 2 is scanning arm modular construction schematic diagram in Fig. 1；
Fig. 3 is that a kind of nuclear power station of the present invention little entrance vertical vessel inwall ultrasonic inspection apparatus draws in by schematic diagram during container entrance；
Schematic diagram when Fig. 4 is to launch after a kind of nuclear power station of the present invention little entrance vertical vessel inwall ultrasonic inspection apparatus enters container intracavity；
Fig. 5 is that the probe of a kind of nuclear power station of the present invention little entrance vertical vessel inwall ultrasonic inspection apparatus presses close to the schematic diagram that container inner wall carries out checking；
In figure: 1, little entrance vertical vessel；2, column；3, cylinder is stretched；4, contiguous block；5, connecting rod；6, slide block；7, guide post；8, scanning arm parts；9, rotating seat；10, base；11, top board；12, girth joint；81, scanning arm；82, cylinder is held out against；83, support bar；84, probe tray；85, probe clip；86, ultrasonic probe；87, end feed pipe；88, water supply joint.
Detailed description of the invention
Below in conjunction with the accompanying drawings and the present invention is described in further detail by specific embodiment.
As shown in Figure 1 and Figure 2, a kind of nuclear power station little entrance vertical vessel inwall ultrasonic inspection apparatus, including column 2, stretch cylinder 3, slide block 6, connecting rod 5, scanning arm parts 8, base 10 and top board 11, wherein, base 10 and top board 11 form frame structure by column 2 fixing between the two, be provided with rotating seat 9 in base 10 lower end of upper end, two scanning arm parts 8 are arranged symmetrically with and hinged with rotating seat 9, can realize the swing of scanning arm parts 8；Some guide posts 7 it are also equipped with between base 10 and top board 11, and on guide post 7, it is cased with slide block 6, the cylinder 3 that stretches being fixed in column 2 is connected with the contiguous block 4 being fixed on slide block 6, and the two ends of connecting rod 5 are hinged with contiguous block 4 and scanning arm parts 8 respectively；Stretching cylinder 3 drive connection block 4, and under the guide effect of slide block 6 and guide post 7, drivening rod 5 swings, and promotes scanning arm parts 8 to move to horizontal device when stretching cylinder 3 source of the gas and interrupting, and scanning arm parts 8 realize regaining under gravity；Scanning arm parts 8 include scanning arm 81, hold out against cylinder 82, probe tray 84 and support bar 83, wherein, hold out against cylinder 82 scanning arm 81 is internally installed, and hold out against the support bar 83 that cylinder 82 arranges with scanning arm 81 front end and be connected, probe clip 85 is connected with support bar 83 by probe tray 84, when scanning arm 81 is horizontal, hold out against cylinder 82 to stretch out, and promote support bar 83 to hold out against forward, and then make to be arranged on the ultrasonic probe 86 within probe clip 85 and container inner wall laminating, couplant is by the water supply joint 88 installed on support bar 83 and end feed pipe 87, spill into container inner wall from ultrasonic probe 86 surrounding, to ensure Checking on effect；Can install on probe tray 84 in scanning arm parts 8 and eight ultrasonic probes 86, and this inspection device are arranged 2 scanning arm parts 8 in pairs, therefore, at most 16 ultrasonic probes 86 of portability check, can disposably complete to check, it is not necessary to probe is changed in midway, improves inspection efficiency.
It is illustrated in figure 3 nuclear power station of the present invention little entrance vertical vessel inwall ultrasonic inspection apparatus to draw in by duty during container entrance, the most described ultrasonic inspection apparatus enters into inside container from little entrance vertical vessel 1, need to first pass through the entrance that diameter is less, stretch cylinder 3 and be in contraction state, scanning arm parts 8 are in hang, and now the overall dimensions of checking tool is contracted to minimum.
It is illustrated in figure 4 duty when launching after nuclear power station of the present invention little entrance vertical vessel inwall ultrasonic inspection apparatus enters container intracavity, now check the device inside suspected location already at little entrance vertical vessel 1, stretch cylinder 3 to stretch out, promote a pair scanning arm parts 8 to be in level.
The probe being illustrated in figure 5 nuclear power station of the present invention little entrance vertical vessel inwall ultrasonic inspection apparatus presses close to the duty that container inner wall carries out checking, now the cylinder 82 that holds out against on scanning arm parts 8 stretches out, make ultrasonic probe 86 fit tightly with little entrance vertical vessel 1 inwall, now can start girth joint 12 is carried out track scanning.
The present invention is mountable to the end of vehicle equipment, enters into the internal Hou Zihang of container and launches, fits, and power is provided by cylinder, controls simple, reliable；Can once carry 16 ultrasonic probes and spray couplant, it is not necessary to the internal water-filling of container, it is not necessary to repeatedly change instrument, high efficiency can complete the ultrasonic examination of circumferential welding of inner wall seam.
Claims (7)
1. a nuclear power station little entrance vertical vessel inwall ultrasonic inspection apparatus, it is characterized in that: this device includes column (2), stretch cylinder (3), slide block (6), connecting rod (5), scanning arm parts (8), base (10) and top board (11), wherein, base (10) and top board (11) form frame structure by column (2) fixing between the two, in base (10) lower end of upper end, rotating seat (9) is installed, scanning arm parts (8) are hinged with rotating seat (9), the swing of scanning arm parts (8) can be realized；Some guide posts (7) it are also equipped with between base (10) and top board (11), and on guide post (7), it is cased with slide block (6), the stretching, extension cylinder (3) being fixed in column (2) is connected with the contiguous block (4) being fixed on slide block (6), and the two ends of connecting rod (5) are hinged with contiguous block (4) and scanning arm parts (8) respectively；Stretch cylinder (3) drive connection block (4), and under the guide effect of slide block (6) and guide post (7), drivening rod (5) swings, promote scanning arm parts (8) move to horizontal device when stretch cylinder (3) source of the gas interrupt time, scanning arm parts (8) under gravity realize withdrawal.
A kind of nuclear power station little entrance vertical vessel inwall ultrasonic inspection apparatus the most according to claim 1, it is characterized in that: described scanning arm parts (8) include scanning arm (81), hold out against cylinder (82), probe tray (84) and support bar (83), wherein, hold out against cylinder (82) scanning arm (81) is internally installed, and hold out against the support bar (83) that cylinder (82) arranges with scanning arm (81) front end and be connected, probe clip (85) is connected with support bar (83) by probe tray (84), when scanning arm (81) is horizontal, hold out against cylinder (82) to stretch out, and promote support bar (83) to hold out against forward, and then make to be arranged on the internal ultrasonic probe (86) of probe clip (85) and container inner wall laminating.
A kind of nuclear power station little entrance vertical vessel inwall ultrasonic inspection apparatus the most according to claim 2, it is characterised in that: it is also equipped with water supply joint (88) and end feed pipe (87) on the described support bar (83) in scanning arm parts (8).
A kind of nuclear power station little entrance vertical vessel inwall ultrasonic inspection apparatus the most according to claim 1, it is characterised in that: described rotating seat (9) is hinged with two scanning arm parts (8) being arranged symmetrically with.
A kind of nuclear power station little entrance vertical vessel inwall ultrasonic inspection apparatus, it is characterized in that: described ultrasonic inspection apparatus, can be under the effect stretching cylinder (3), with the contraction state entrance by little entrance vertical vessel (1), then the inner chamber little entrance vertical vessel (1) launches.
A kind of nuclear power station little entrance vertical vessel inwall ultrasonic inspection apparatus the most according to claim 2, it is characterized in that: the described a pair scanning arm parts (8) being arranged symmetrically with can realize 16 ultrasonic probes (86) being fitted with container inner wall simultaneously, scanning can collect required parameter, without changing ultrasonic probe (86), without carrying out repeatedly scanning, improve inspection efficiency.
A kind of nuclear power station little entrance vertical vessel inwall ultrasonic inspection apparatus, it is characterised in that: described water supply joint (88) can be that ultrasonic probe (86) provides couplant, it is not necessary to is saturated with water inside container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521131900.6U CN205449891U (en) | 2015-12-30 | 2015-12-30 | Little entry vertical vessel inner wall ultrasonic detection device of nuclear power station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201521131900.6U CN205449891U (en) | 2015-12-30 | 2015-12-30 | Little entry vertical vessel inner wall ultrasonic detection device of nuclear power station |
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| CN205449891U true CN205449891U (en) | 2016-08-10 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932479A (en) * | 2015-12-30 | 2017-07-07 | 核动力运行研究所 | A kind of small entrance vertical vessel inwall ultrasonic inspection apparatus of nuclear power station |
| CN108269626A (en) * | 2016-12-30 | 2018-07-10 | 核动力运行研究所 | The ultrasonic examination system of the vertical nozzle inner wall of nuclear reactor steam generator |
| CN108267512A (en) * | 2016-12-30 | 2018-07-10 | 核动力运行研究所 | A kind of probe tray for container inner wall ultrasonic examination |
-
2015
- 2015-12-30 CN CN201521131900.6U patent/CN205449891U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932479A (en) * | 2015-12-30 | 2017-07-07 | 核动力运行研究所 | A kind of small entrance vertical vessel inwall ultrasonic inspection apparatus of nuclear power station |
| CN108269626A (en) * | 2016-12-30 | 2018-07-10 | 核动力运行研究所 | The ultrasonic examination system of the vertical nozzle inner wall of nuclear reactor steam generator |
| CN108267512A (en) * | 2016-12-30 | 2018-07-10 | 核动力运行研究所 | A kind of probe tray for container inner wall ultrasonic examination |
| CN108269626B (en) * | 2016-12-30 | 2023-08-15 | 核动力运行研究所 | Ultrasonic inspection system for inner wall of vertical connecting pipe of nuclear reactor steam generator |
| CN108267512B (en) * | 2016-12-30 | 2024-06-11 | 核动力运行研究所 | Probe tray for ultrasonic inspection of inner wall of container |
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