CN105806941B - A kind of vacuum cap type small-caliber pipeline inner wall water logging ultrasonic inspection apparatus - Google Patents
A kind of vacuum cap type small-caliber pipeline inner wall water logging ultrasonic inspection apparatus Download PDFInfo
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- CN105806941B CN105806941B CN201410849486.6A CN201410849486A CN105806941B CN 105806941 B CN105806941 B CN 105806941B CN 201410849486 A CN201410849486 A CN 201410849486A CN 105806941 B CN105806941 B CN 105806941B
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Abstract
The invention belongs to the internal ultrasonic technical field of nondestructive testing of the small-caliber pipeline of pressure vessel especially nuclear reactor pressure container, and in particular to a kind of vacuum cap type small-caliber pipeline inner wall water logging ultrasonic inspection apparatus.Hoisting head, circumferential bush support and circumferential motor are installed, vacuum cup is connect with circumferential bush support on circumferential sleeve；Circumferential mandrel is located in circumferential sleeve, rotatable relative；Circumferential mandrel front end, which is equipped with, tenses cylinder, the stator of axial direction electric machine, one end of guiding axis, gear ring, and gear ring forms gear-wheel gear-ring pair with the gear above circumferential motor；One end of leading screw and the rotor of axial direction electric machine connect；Intermediate supports cylinder and intermediate supports supporting leg are installed, intermediate supports jacking block is connected with the piston rod of intermediate supports cylinder, and intermediate supports mandrel is located in intermediate supports sleeve on intermediate supports sleeve.The present invention can be detected from inner wall of the pipe, while immersion type ultrasound detection is not influenced by weld reinforcement, can complete the non-destructive testing for pipeline-weld.
Description
Technical field
The invention belongs to the lossless inspections of internal ultrasonic of the small-caliber pipeline of pressure vessel especially nuclear reactor pressure container
A kind of survey technology field, and in particular to vacuum cap type small-caliber pipeline inner wall water logging ultrasonic inspection apparatus.
Background technology
There is different pipelines above nuclear reactor pressure container, according to the requirement of ASME specifications, needs to these pipelines
Weld seam does regularly non-destructive testing.Since the pipeline external near pressure vessel is wrapped in insulating layer, tear open it is cumbersome, together
When external environment dosage rate also compare more, be not easy to be detected from outside.Ultrasound detection, which is carried out, from inside is divided into contact ultrasound
Detection and immersion type ultrasound detection leave weldering since some small-caliber pipeline internal weld seams are not easy back chipping after welding in inner wall
Slag, if with contact ultrasound detection, it cannot be guaranteed that the fitting of probe influences testing result in turn, while probe clamper also has
The disconnected risk of card.
Invention content
The purpose of the present invention is to provide a kind of vacuum cap type small-caliber pipeline inner wall water logging ultrasonic inspection apparatus, can
It is detected, while immersion type ultrasound detection is not influenced by weld reinforcement, can be completed as the lossless of pipeline-weld from inner wall of the pipe
Detection.
In order to achieve the above objectives, the technical solution used in the present invention is：
A kind of vacuum cap type small-caliber pipeline inner wall water logging ultrasonic inspection apparatus, be equipped on circumferential sleeve hoisting head,
Circumferential bush support and circumferential motor, vacuum cup are connect with circumferential bush support；Circumferential mandrel is located in circumferential sleeve, relatively
It is rotated；Circumferential mandrel front end, which is equipped with, tenses cylinder, the stator of axial direction electric machine, one end of guiding axis, gear ring, gear ring and circumferential direction
Gear above motor forms gear-wheel gear-ring pair；One end of leading screw and the rotor of axial direction electric machine connect；Pacify on intermediate supports sleeve
Equipped with intermediate supports cylinder and intermediate supports supporting leg, intermediate supports jacking block is connected with the piston rod of intermediate supports cylinder, centre branch
Support core axle position is rotatable relative in intermediate supports sleeve；Linear bearing is installed inside intermediate supports mandrels, linear bearing with
Guiding axis composition linear motion is secondary；Intermediate supports mandrel is connected with the piston rod for tensing cylinder；Before being equipped on front support sleeve
Support cylinder, front support protective case and front support idler wheel；Front support mandrel is located in front support sleeve, rotatable relative；Preceding branch
Support core axis is connected with the other end of guiding axis；The other end of leading screw is connect with front support mandrel；On guiding axis and probe assembly
Linear bearing composition linear motion is secondary, and axial direction electric machine drives probe assembly and is axially moved along guiding axis.
The probe assembly includes water logging ultrasonic probe, nut and conduit, the linear bearing of different angle, nut with
Leading screw forms feed screw nut pair；The ultrasound lines of water logging ultrasonic probe pass through conduit, conduit to pass through intermediate supports mandrel with before
Support mandrel.
Before lower water, it will first tense cylinder and be tuned into stretching state, intermediate supports cylinder and front support cylinder are tuned into contraction state；
Quick long rod tool is inserted into the hoisting head of check device again and is locked, then underwater camera is coordinated to hang a check device with ring
Tested Near Pipelines are hung, then slowly check device is pushed to inside pipeline；Intermediate supports cylinder ejector, under then appropriate
Put the weight that check device makes intermediate supports supporting leg bear a part of check device；Tension cylinder is shunk, entire check device
It can be pulled to the inside of tested pipeline, at this time vacuum cup and internal pressure vessel walls fitting；Vacuum cup is evacuated, and checks dress
It sets and is fixed with pressure vessel；Then, front support cylinder stretches out, then quick long rod tool is taken out from hoisting head.
When circumferential movement, circumferential motor is connect by circumferential bush support and circumferential sleeve connection, gear ring with circumferential mandrel,
Gear ring provides circumferential driving force with the gear composition gear-wheel gear-ring pair above circumferential motor for check device circumferential movement；Circumferential core
Axis guiding axis installed above is transmitted to intermediate supports mandrel, probe assembly and front support mandrel by guiding axis circumferential driving force.
When axial movement, axial direction electric machine is mounted on above circumferential mandrel, and leading screw is fixedly connected with axial direction electric machine, and the other end is solid
It is scheduled on front support mandrel, driving force is transmitted to leading screw by axial direction electric machine；Nut above probe assembly forms feed screw nut with leading screw
Pair, guiding axis and the linear bearing composition linear motion on probe assembly are secondary, and axial direction electric machine drives probe assembly along guiding
Axis is axially moved.
When work, probe assembly ceaselessly circumferential movement and axial movement, the ultrasound lines of water logging ultrasonic probe are with probe
Component movement；It is placed into inside conduit in the ultrasound lines of probe assembly conducting wire pipe, probe assembly, conduit passes through centre
Support mandrel and front support mandrel.
It is hung with ring and check device is sent to tested pipeline, after intermediate supports cylinder ejector, pass through the contraction energy for tensing cylinder
It is enough to draw in check device inside tested pipeline, while vacuum cup and internal pressure vessel walls fitting；After vacuum cup pumping, make
Check device is fixed on pressure vessel；After front support cylinder stretches out, the axial and circumferential of check device are fixed reliably.
It is obtained by the present invention to have the beneficial effect that：
Vacuum cap type small-caliber pipeline inner wall water logging ultrasonic inspection apparatus of the present invention can be carried out from inner wall of the pipe
Detection, while immersion type ultrasound detection is not influenced by weld reinforcement, can complete the non-destructive testing for pipeline-weld.
Description of the drawings
Fig. 1 is vacuum cap type small-caliber pipeline inner wall water logging ultrasonic inspection apparatus structure chart of the present invention；
In figure：1, cylinder is tensed；2, hoisting head；3, circumferential sleeve；4, circumferential bush support；5, intermediate supports mandrel；6、
Intermediate supports jacking block；7, intermediate supports sleeve；8, probe assembly；9, guiding axis；10, leading screw；11, front support mandrel；12, preceding branch
Support set cylinder；13, front support cylinder；14, front support protective case；15, front support idler wheel；16, nut；17, intermediate supports cylinder；
18, intermediate supports supporting leg；19, gear ring；20, vacuum cup；21, circumferential motor；22, axial direction electric machine；23, circumferential mandrel；24, it leads
Spool.
Specific implementation mode
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, vacuum cap type small-caliber pipeline inner wall water logging ultrasonic inspection apparatus includes tensing cylinder 1, lifting
First 2, circumferential sleeve 3, circumferential bush support 4, intermediate supports mandrel 5, intermediate supports jacking block 6, intermediate supports sleeve 7, probe group
Part 8, guiding axis 9, leading screw 10, front support mandrel 11, front support sleeve 12, front support cylinder 13, front support protective case 14, preceding branch
Support idler wheel 15, nut 16, intermediate supports cylinder 17, intermediate supports supporting leg 18, gear ring 19, vacuum cup 20, circumferential motor 21, axis
To motor 22, circumferential mandrel 23 and conduit 24.
Circumferential sleeve 3 is installed above hoisting head 2, circumferential bush support 4 and circumferential motor 21, vacuum cup 20 and circumferential direction
Bush support 4 connects, and when work is adsorbed on nuclear reactor pressure container inner wall.Circumferential mandrel 23 is located in circumferential sleeve 3, phase
It is rotated；Circumferential mandrel 23 is check device circumferential movement rotation center, and front end, which is equipped with, tenses cylinder 1, axial direction electric machine
22 stator, one end of guiding axis 9, gear ring 19, wherein gear ring 19 forms gear-wheel gear-ring with the gear above circumferential motor 21
Pair provides circumferential driving force for check device circumferential movement.One end of leading screw 10 is connect with the rotor of axial direction electric machine 22.
Intermediate supports mandrel 5, intermediate supports jacking block 6, intermediate supports sleeve 7, intermediate supports cylinder 17 and intermediate supports branch
Leg 18 forms intermediate supports component, is wherein equipped with intermediate supports cylinder 17 and intermediate supports supporting leg 18 on intermediate supports sleeve 7,
Intermediate supports supporting leg 18 is supported on checked object inner wall, and intermediate supports jacking block 6 is connected with the piston rod of intermediate supports cylinder 17,
It withstands on checked object inner wall.Intermediate supports mandrel 5 is located in intermediate supports sleeve 7, rotatable relative.Intermediate supports mandrel 5
The inside is equipped with linear bearing, and linear bearing and the composition linear motion of guiding axis 9 are secondary.Intermediate supports mandrel 5 and tension cylinder 1
Piston rod is connected, and intermediate supports component can be controlled at a distance from circumferential component by tensing cylinder 1 in this way.
Front support mandrel 11, front support sleeve 12,15 structure of front support cylinder 13, front support protective case 14 and front support idler wheel
At front support component, front support cylinder 13, front support protective case 14 and front support idler wheel 15 are installed on front support sleeve 12, it is preceding
Back-up roller wheel 15 is supported on checked object inner wall, and front support mandrel 11 is located in front support sleeve 12, rotatable relative.Preceding branch
Support core axis 11 is connected with the other end of guiding axis 9.The other end of leading screw 10 is connect with front support mandrel 11.
Probe assembly 8 includes the water logging ultrasonic probe, nut 16 and conduit 24, linear bearing of different angle, wherein spiral shell
Mother 16 forms feed screw nut pair with leading screw 10, and guiding axis 9 and the linear bearing composition linear motion on probe assembly 8 are secondary, axial
Motor 22 drives probe assembly 8 and is axially moved along guiding axis 9.The ultrasound lines of water logging ultrasonic probe pass through conduit 24, lead
Spool 24 passes through intermediate supports mandrel 5 and front support mandrel 11, and the ultrasound lines of water logging ultrasonic probe is made to guide to outside check device.
Equipment is installed and fixing means
Before a kind of vacuum cap type small-caliber pipeline inner wall water logging ultrasonic inspection apparatus checks, need with the ring in nuclear island
It hangs and is suspended in tested pipeline, and be installed in place.
Before lower water, the tension cylinder 1 of check device is first tuned into stretching state, intermediate supports cylinder 17 and front support cylinder
13 are tuned into contraction state.Quick long rod tool is inserted into the hoisting head 2 of check device again and is locked, underwater camera is then coordinated
It is hung with ring and check device is hung tested Near Pipelines, then slowly check device is pushed to inside pipeline.Intermediate supports gas
Cylinder 17 ejects, and then transfers the weight that check device makes intermediate supports supporting leg 18 bear a part of check device in right amount.Tension
Cylinder 1 is shunk, and entire check device can be pulled to the inside of tested pipeline, at this time vacuum cup 20 and internal pressure vessel walls
Fitting.Vacuum cup 20 is evacuated, and check device is fixed with pressure vessel.Then, front support cylinder 13 stretches out, then quick stock
Tool takes out from hoisting head 2.Check device is installed and fixation finishes.
Check device motion mode
Circumferential movement：Circumferential motor 21 is connect by circumferential bush support 4 with circumferential sleeve 3, gear ring 19 and circumferential mandrel
23 connections, gear ring 19 provide circumferential drive with the gear composition gear-wheel gear-ring pair above circumferential motor 21 for check device circumferential movement
Power.23 guiding axis 9 installed above of circumferential mandrel is transmitted to intermediate supports mandrel 5, probe group by guiding axis 9 circumferential driving force
Part 8 and front support mandrel 11.
It is axially moved：Axial direction electric machine 22 is mounted on above circumferential mandrel 23, and leading screw 10 is fixedly connected with axial direction electric machine 22, separately
One end is fixed on front support mandrel 11, and driving force is transmitted to leading screw 10 by axial direction electric machine 22.Nut 16 above probe assembly 8 and silk
Thick stick 10 forms feed screw nut pair, and guiding axis 9 and the linear bearing composition linear motion on probe assembly 8 are secondary, and axial direction electric machine 22 drives
Probe assembly 8 is moved to be axially moved along guiding axis 9.
Probe assembly ultrasound lines follower
Check device work when, probe assembly 8 will ceaselessly circumferential movement and axial movement, the ultrasound of water logging ultrasonic probe
Line will be moved with probe assembly 8.In 8 conducting wire pipe 24 of probe assembly, the ultrasound lines of probe assembly 8 are placed into conduit 24
The inside, conduit 24 pass through intermediate supports mandrel 5 and front support mandrel 11.Ultrasound lines can have in check device always outer in this way
Portion, cable winds risk substantially reduce.
Equipment is installed and fixing means
Quick long rod tool can easily be inserted into the hoisting head 2 of check device and can reliably lock, check device it is each
A cylinder also reliably can be stretched out and be shunk.It is hung with ring and check device is sent to tested pipeline, after intermediate supports cylinder 17 ejects,
Contraction by tensing cylinder 1 can draw in check device inside tested pipeline, while in vacuum cup 20 and pressure vessel
Wall is bonded.After vacuum cup 20 is evacuated, check device can be made to be securely seated between on pressure vessel.Front support cylinder 13 stretches out
Afterwards, the axial and circumferential of check device are fixed reliable.Quick long rod tool can easily take out above hoisting head 2.
Check device motion mode
Circumferential movement：Circumferential motor 21 is transmitted to gear ring 19, gear ring 19 and circumferential direction by the circumferential driving force of gear-wheel gear-ring pair handle
Mandrel 23 connects, and circumferential driving force is transmitted to intermediate supports mandrel 5, probe assembly 8 and front support mandrel 11 by guiding axis 9.
It is axially moved：The feed screw nut pair that axial direction electric machine 22 is made up of the nut 16 above leading screw 10 and probe assembly 8,
The rotary motion of motor is converted to the linear motion of probe assembly 8, guiding axis 9 is formed with the linear bearing on probe assembly 8
Secondary linear motion is that probe assembly 8 provides linear motion basis.
Probe assembly ultrasound lines follower
When check device works, the ultrasound lines of water logging ultrasonic probe move in conduit 24 with probe assembly 8, entire mistake
Journey ultrasound lines can have outside in check device always, not interfere with the parts of check device.
Check device needs to demarcate water logging ultrasonic probe, the air-tightness of all underwater electrical equipments before lower water
It checks, the calibration of the function test of cylinder and control system.Then the tension cylinder 1 of check device is tuned into stretching state, in
Between support cylinder 17 and front support cylinder 13 be tuned into contraction state.Quick long rod tool is inserted into again the hoisting head 2 of check device
And lock, then coordinate underwater camera to be hung with ring and check device is hung tested Near Pipelines, then slowly check device is pushed away
It is sent to inside pipeline.Intermediate supports cylinder 17 is ejected, then decentralization check device makes intermediate supports supporting leg 18 bear one in right amount
The weight of part check device.Tension cylinder 1 to be shunk, entire check device can be pulled to the inside of tested pipeline, this
When vacuum cup 20 and internal pressure vessel walls fitting.Vacuum cup 20 is evacuated, and check device is fixed with pressure vessel.Then, preceding
It supports cylinder 13 to stretch out, then quick long rod tool is taken out from hoisting head 2.Check device is installed and fixation finishes.
After installing, you can carry out scanning according to scanning program.After scanning, quick long rod tool is inserted into and is checked
The hoisting head 2 of device simultaneously locks, and vacuum cup 20 is inflated, and front support cylinder 13 stretches out and intermediate supports cylinder 17 is shunk, then
It is hung with ring and check device is withdrawn, entire check finishes.
Claims (7)
1. a kind of vacuum cap type small-caliber pipeline inner wall water logging ultrasonic inspection apparatus, it is characterised in that：Pacify on circumferential sleeve (3)
Equipped with hoisting head (2), circumferential bush support (4) and circumferential motor (21), vacuum cup (20) connects with circumferential bush support (4)
It connects；Circumferential mandrel (23) is located in circumferential sleeve (3), rotatable relative；Circumferential mandrel (23) front end is equipped with tension cylinder
(1), the stator of axial direction electric machine (22), one end of guiding axis (9), gear ring (19), gear ring (19) and circumferential motor (21) are above
Gear forms gear-wheel gear-ring pair；One end of leading screw (10) is connect with the rotor of axial direction electric machine (22)；Intermediate supports sleeve is pacified on (7)
Equipped with intermediate supports cylinder (17) and intermediate supports supporting leg (18), the work of intermediate supports jacking block (6) and intermediate supports cylinder (17)
Stopper rod is connected, and intermediate supports mandrel (5) is located in intermediate supports sleeve (7), rotatable relative；Inside intermediate supports mandrel (5)
Linear bearing is installed, linear bearing and guiding axis (9) composition linear motion are secondary；Intermediate supports mandrel (5) and tension cylinder (1)
Piston rod be connected；Front support cylinder (13), front support protective case (14) and front support rolling are installed on front support sleeve (12)
It takes turns (15)；Front support mandrel (11) is located in front support sleeve (12), rotatable relative；Front support mandrel (11) and guiding axis
(9) the other end is connected；The other end of leading screw (10) is connect with front support mandrel (11)；On guiding axis (9) and probe assembly (8)
Linear bearing composition linear motion it is secondary, axial direction electric machine (22) drives probe assembly (8) and is axially moved along guiding axis (9).
2. vacuum cap type small-caliber pipeline inner wall water logging ultrasonic inspection apparatus according to claim 1, it is characterised in that：
The probe assembly (8) includes the water logging ultrasonic probe of different angle, nut (16) and conduit (24), linear bearing, spiral shell
Female (16) form feed screw nut pair with leading screw (10)；The ultrasound lines of water logging ultrasonic probe pass through conduit (24), conduit (24)
Across intermediate supports mandrel (5) and front support mandrel (11).
3. vacuum cap type small-caliber pipeline inner wall water logging ultrasonic inspection apparatus according to claim 1, it is characterised in that：
Before lower water, it will first tense cylinder (1) and be tuned into stretching state, intermediate supports cylinder (17) and front support cylinder (13) are tuned into contraction-like
State；Quick long rod tool is inserted into the hoisting head (2) of check device again and is locked, then underwater camera is coordinated to be hung inspection with ring
It looks into device and hangs tested Near Pipelines, then slowly check device is pushed to inside pipeline；Intermediate supports cylinder (17) are ejected,
Then the weight that check device makes intermediate supports supporting leg (18) bear a part of check device is transferred in right amount；Tension cylinder (1)
It shrinks, entire check device can be pulled to the inside of tested pipeline, at this time vacuum cup (20) and internal pressure vessel walls patch
It closes；Vacuum cup (20) is evacuated, and check device is fixed with pressure vessel；Then, front support cylinder (13) stretches out, then quick long
Bar tool takes out from hoisting head (2).
4. vacuum cap type small-caliber pipeline inner wall water logging ultrasonic inspection apparatus according to claim 1, it is characterised in that：
When circumferential movement, circumferential motor (21) is connect by circumferential bush support (4) with circumferential sleeve (3), gear ring (19) and circumferential core
Axis (23) connects, and gear ring (19) is that check device circumferential movement carries with the gear composition gear-wheel gear-ring pair of circumferential motor (21) above
For circumferential driving force；Circumferential mandrel (23) guiding axis installed above (9) is transmitted to intermediate branch by guiding axis (9) circumferential driving force
Support core axis (5), probe assembly (8) and front support mandrel (11).
5. vacuum cap type small-caliber pipeline inner wall water logging ultrasonic inspection apparatus according to claim 1, it is characterised in that：
When axial movement, axial direction electric machine (22) is mounted on circumferential mandrel (23) above, and leading screw (10) is fixedly connected with axial direction electric machine (22),
The other end is fixed on front support mandrel (11), and driving force is transmitted to leading screw (10) by axial direction electric machine (22)；Probe assembly (8) is above
Nut (16) and leading screw (10) form feed screw nut pair, and guiding axis (9) and the linear bearing group on probe assembly (8) are in line fortune
Dynamic pair, axial direction electric machine (22) drive probe assembly (8) and are axially moved along guiding axis (9).
6. vacuum cap type small-caliber pipeline inner wall water logging ultrasonic inspection apparatus according to claim 1, it is characterised in that：
When work, probe assembly (8) ceaselessly circumferential movement and axial movement, the ultrasound lines of water logging ultrasonic probe are with probe assembly
(8) it moves；It is placed into inside conduit (24) in the ultrasound lines of probe assembly (8) conducting wire pipe (24), probe assembly (8),
Conduit (24) passes through intermediate supports mandrel (5) and front support mandrel (11).
7. vacuum cap type small-caliber pipeline inner wall water logging ultrasonic inspection apparatus according to claim 1, it is characterised in that：
It is hung with ring and check device is sent to tested pipeline, after intermediate supports cylinder (17) ejection, the contraction by tensing cylinder (1) can
Check device is drawn in inside tested pipeline, while vacuum cup (20) and internal pressure vessel walls fitting；Vacuum cup (20) is taken out
After gas, check device is made to be fixed on pressure vessel；After front support cylinder (13) stretches out, the axial and circumferential of check device are fixed
Reliably.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410849486.6A CN105806941B (en) | 2014-12-30 | 2014-12-30 | A kind of vacuum cap type small-caliber pipeline inner wall water logging ultrasonic inspection apparatus |
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| CN201410849486.6A CN105806941B (en) | 2014-12-30 | 2014-12-30 | A kind of vacuum cap type small-caliber pipeline inner wall water logging ultrasonic inspection apparatus |
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| CN105806941A CN105806941A (en) | 2016-07-27 |
| CN105806941B true CN105806941B (en) | 2018-08-21 |
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| CN107976518B (en) * | 2017-11-23 | 2020-05-01 | 南京英派克检测有限责任公司 | Nondestructive testing device for inner wall of pipe |
| CN109975417B (en) * | 2017-12-27 | 2024-03-19 | 核动力运行研究所 | Nuclear power plant in-pile component coaming bolt inspection probe rotary driving structure |
| CN109975425B (en) * | 2017-12-27 | 2024-06-11 | 核动力运行研究所 | Delivery ultrasonic inspection device for reactor pressure vessel connecting pipe |
| CN109975423B (en) * | 2017-12-27 | 2024-06-11 | 核动力运行研究所 | Delivery ultrasonic inspection device for safety end of nuclear reactor pressure vessel connecting pipe |
| CN111354486A (en) * | 2018-12-21 | 2020-06-30 | 核动力运行研究所 | Automatic inspection device for main bolt of reactor pressure vessel |
| CN111354484A (en) * | 2018-12-21 | 2020-06-30 | 核动力运行研究所 | Automatic checking device for bolts of nuclear safety primary parts |
| CN110243838B (en) * | 2019-07-11 | 2022-04-05 | 浙江省特种设备科学研究院 | Ultrahigh pressure container detection device and detection method thereof |
| CN110514746B (en) * | 2019-08-22 | 2022-04-01 | 中广核检测技术有限公司 | Rotary water immersion ultrasonic transducer |
| CN112578026B (en) * | 2020-12-10 | 2023-10-20 | 重庆电子工程职业学院 | Fixing device of acoustic emission sensor |
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