CN204731194U - A kind of Nozzle Zone of Vessels inwall water logging ultrasonic inspection apparatus - Google Patents
A kind of Nozzle Zone of Vessels inwall water logging ultrasonic inspection apparatus Download PDFInfo
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- CN204731194U CN204731194U CN201420867295.8U CN201420867295U CN204731194U CN 204731194 U CN204731194 U CN 204731194U CN 201420867295 U CN201420867295 U CN 201420867295U CN 204731194 U CN204731194 U CN 204731194U
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Abstract
The utility model belongs to the internal ultrasonic technical field of nondestructive testing of small-caliber pipeline, is specifically related to a kind of Nozzle Zone of Vessels inwall water logging ultrasonic inspection apparatus.Comprise circumferential assembly, axial component, front support assembly, rear support assembly, probe assembly, axial limiting assembly, coupling box assembly and point air parcel assembly; Circumference assembly is connected with one end of axial component, and front support assembly is connected with the other end of axial component, and probe assembly is arranged in axial component, and rear support assembly, axial limiting assembly, coupling box assembly and a point air parcel assembly are arranged on circumferential assembly; Front support assembly, rear support modular support are at tested pipe interior; Circumference assembly drive axial component and on probe assembly move in the circumferential direction; Probe assembly moves vertically in axial component.The utility model can detect from inner-walls of duct, and immersion type Ultrasonic Detection does not affect by weld reinforcement simultaneously, can complete the Non-Destructive Testing into pipe welding seam.
Description
Technical field
The utility model belongs to the internal ultrasonic technical field of nondestructive testing of small-caliber pipeline, is specifically related to a kind of Nozzle Zone of Vessels inwall water logging ultrasonic inspection apparatus.
Background technology
There is different pipelines above nuclear reactor pressure container, according to the requirement of related specifications, need to do regular Non-Destructive Testing to the weld seam of these pipelines.Because the pipeline external near pressure vessel is wrapped in heat-insulation layer, tear open cumbersome, external environment condition dose rate is also many simultaneously, not easily detects from outside.Carry out Ultrasonic Detection from inside and be divided into contact Ultrasonic Detection and immersion type Ultrasonic Detection, due to some small-caliber pipeline internal weld seams not easily back chipping after welding, welding slag is left at inwall, if use contact Ultrasonic Detection, can not ensure the laminating of probe and then affect testing result, probe clamper also has the disconnected risk of card simultaneously.
Summary of the invention
The purpose of this utility model is to provide a kind of Nozzle Zone of Vessels inwall water logging ultrasonic inspection apparatus, can detect from inner-walls of duct, and immersion type Ultrasonic Detection does not affect by weld reinforcement simultaneously, can complete the Non-Destructive Testing into pipe welding seam.
For achieving the above object, technical solution adopted in the utility model is:
A kind of Nozzle Zone of Vessels inwall water logging ultrasonic inspection apparatus, comprises circumferential assembly, axial component, front support assembly, rear support assembly, probe assembly, axial limiting assembly, coupling box assembly and point air parcel assembly; Circumference assembly is connected with one end of axial component, and front support assembly is connected with the other end of axial component, and probe assembly is arranged in axial component, and rear support assembly, axial limiting assembly, coupling box assembly and a point air parcel assembly are arranged on circumferential assembly; Front support assembly, rear support modular support are at tested pipe interior; Circumference assembly drive axial component and on probe assembly move in the circumferential direction; Probe assembly moves vertically in axial component.
The installation foundation of described circumferential assembly is circumferential sleeve, circumferential sleeve is installed circumferential motor, hoisting head, axial limiting assembly, rear support assembly, point air parcel assembly, cable clamp, coupling box assembly, safety rope boatswain chair and circumferential driving gear; Circumference mandrel is arranged in circumferential sleeve, can relatively circumferential sleeve rotating, and circumferential gear ring is fixedly connected with one end of circumferential mandrel, and circumferential driving gear is connected with circumferential motor; Circumference motor is secondary by the gear-wheel gear-ring of circumferential driving gear and circumferential gear ring composition, and circumferential driving force is passed to circumferential mandrel.
The installation foundation of described axial component is axial component rear support seat, and circumferential mandrel is connected with axial component rear support seat, and circumferential driving force is passed to whole axial component; Install axial direction electric machine above axial component rear support seat, axial component rear support seat is connected with one end of leading screw, the axis of guide and tracheae guide pipe, and axial component front support seat is connected with the other end of leading screw, the axis of guide, tracheae guide pipe; Motor is connected with one end of leading screw, drives screw turns, and the tracheae of front support cylinder is connected with a point air parcel assembly through tracheae guide pipe, circumferential mandrel.
Described front support assembly comprises front support sleeve, front support jacking block, front support cylinder, front support leg and front support mandrel; Install front support cylinder, front support leg above front support sleeve, front support jacking block is arranged on front support cylinder piston; Front support mandrel is arranged in front support sleeve, relative front support sleeve rotating; Front support mandrel is connected with axial component front support seat; During work, front support leg is supported on tested pipe interior, front support cylinder front support jacking block top on pipeline; The tracheae of front support cylinder is connected with a point air parcel assembly through tracheae guide pipe, circumferential mandrel successively.
Described rear support assembly comprises rear support jacking block, rear support cylinder and rear support leg; Rear support leg is arranged on circumferential sleeve, rear support leg is provided with rear support cylinder; The piston of rear support cylinder is provided with rear support jacking block; The tracheae of rear support cylinder is connected with a point air parcel assembly; During work, rear support leg is supported on tested pipe interior, rear support cylinder rear support jacking block top on pipeline.
Described axial limiting assembly is installed on the circumferential sleeve of circumferential assembly, axial limiting assembly is provided with water logging range finding probe.
The immersion probe that described probe assembly comprises different angles surpasses head, nut, linear bearing, nut and conduit; During work, the rectilinear motion pair of linear bearing and axis of guide composition provides rectilinear motion basis, and the screw pair that axial driving force is made up of the nut above it and leading screw provides axial driving force; Probe assembly is with axial component circumferential movement; The ultrasound lines that immersion probe surpasses head is through in conduit, together with probe assembly axially-movable.
Described point air parcel assembly and axial direction electric machine are installed on the circumferential sleeve of circumferential assembly; Circumference motor is connected with coupling box assembly with the cable of axial direction electric machine.
Beneficial effect acquired by the utility model is:
Nozzle Zone of Vessels inwall water logging ultrasonic inspection apparatus described in the utility model adopts modular design concept, scheme assembling, maintenance and maintenance; Can detect from inner-walls of duct, immersion type Ultrasonic Detection does not affect by weld reinforcement simultaneously, can complete the Non-Destructive Testing into pipe welding seam.
Accompanying drawing explanation
Fig. 1 is Nozzle Zone of Vessels inwall water logging ultrasonic inspection apparatus structural drawing described in the utility model;
In figure: 1, circumferential motor; 2, hoisting head; 3, water logging range finding probe; 4, axial limiting assembly; 5, rear support jacking block; 6, rear support cylinder; 7, probe assembly; 8, tracheae guide pipe; 9, front support sleeve; 10, front support jacking block; 11, front support cylinder; 12, front support leg; 13, front support mandrel; 14, axial component front support seat; 15, the axis of guide; 16, leading screw; 17, nut; 18, conduit; 19, axial component rear support seat; 20, axial direction electric machine; 21, circumferential mandrel; 22, circumferential sleeve; 23, rear support leg; 24, air parcel assembly is divided; 25, cable clamp; 26, coupling box assembly; 27, safety rope boatswain chair; 28, circumferential driving gear 29, circumferential gear ring.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
As shown in Figure 1, Nozzle Zone of Vessels inwall water logging ultrasonic inspection apparatus described in the utility model comprises: circumferential assembly, axial component, front support assembly, rear support assembly, probe assembly 7, axial limiting assembly 4, coupling box assembly 26 and point air parcel assembly 24; Circumference assembly is connected with one end of axial component, and front support assembly is connected with the other end of axial component, and probe assembly 7 is arranged in axial component, and rear support assembly, axial limiting assembly 4, coupling box assembly 26 and a point air parcel assembly 24 are arranged on circumferential assembly; Front support assembly, rear support modular support are at tested pipe interior; Circumference assembly drive axial component and on probe assembly 7 move in the circumferential direction; Probe assembly 7 moves vertically in axial component.
Circumference assembly is testing fixture installation foundation, also for probe assembly 7 provides circumferential driving force.Circumference sleeve 22 is circumferential assemblies is installation foundation, installs circumferential motor 1, hoisting head 2, axial limiting assembly 4, rear support assembly, point air parcel assembly 24, cable clamp 25, coupling box assembly 26, safety rope boatswain chair 27 and circumferential driving gear 28 etc. above.Wherein, hoisting head 2 is web members of hoisting mechanism; Cable clamp 25 main cables fixations; Safety rope boatswain chair 27 is web members of testing fixture safety rope, prevents testing fixture from dropping in pressure vessel because of misoperation.Circumference mandrel 21 rotates relative to circumferential sleeve 22, and circumferential gear ring 29 is fixedly connected with circumferential mandrel 21.Circumference sleeve 22 is provided with circumferential motor 1, hoisting head 2, cable clamp 25.Safety rope boatswain chair 27, circumferential mandrel 21 is arranged in circumferential sleeve 22, and can rotate relative to circumferential sleeve 22, circumferential gear ring 29 is fixedly connected with one end of circumferential mandrel 21, and circumferential driving gear 28 is connected with circumferential motor 1.The gear-wheel gear-ring that circumference motor 1 consists of circumferential driving gear 28 and circumferential gear ring 29 is secondary, and circumferential driving force is passed to circumferential mandrel 21.
Axial component provides axial driving force for probe assembly 7, and axial component rear support seat 19 is installation foundation of axial component, and circumferential mandrel 21 is connected with axial component rear support seat 19, and circumferential driving force is passed to whole axial component.Axial component rear support seat 19 installs axial direction electric machine 20 above, axial component rear support seat 19 is connected with one end of leading screw 16, the axis of guide 15 and tracheae guide pipe 8, axial component front support seat 14 is connected with leading screw 16, the axis of guide 15, tracheae guide pipe 8 other end, play a supportive role, motor 20 is connected with one end of leading screw 16, leading screw 16 is driven to rotate, the tracheae of front support cylinder 11 is connected with a point air parcel assembly 24 through tracheae guide pipe 8, circumferential mandrel 21, tracheae can be avoided so directly to contact with probe assembly 7, avoid interfering risk.
Front support assembly is the front support of testing fixture, and structure mainly comprises: front support sleeve 9, front support jacking block 10, front support cylinder 11, front support leg 12 and front support mandrel 13 etc.Wherein, front support sleeve 9 is front support component mounting base, installs front support cylinder 11, front support leg 12 above, and front support jacking block 10 is arranged on front support cylinder 11 piston.Front support mandrel 13 is arranged in front support sleeve 9, rotates relative to front support sleeve 9.Front support mandrel 13 is connected with axial component front support seat 14, rotates together relative to front support sleeve 9.During work, front support leg 12 is supported on tested pipe interior, and front support cylinder 11 pushes up front support jacking block 10 on pipeline, and whole like this front support assembly is fixed in tested pipeline.The tracheae of front support cylinder 11 is connected with a point air parcel assembly 24 through tracheae guide pipe 8, circumferential mandrel 21 successively, and tracheae can be avoided so directly to contact with probe assembly 7, avoids interfering risk.
Rear support assembly is the back support of testing fixture, and structure mainly comprises: rear support jacking block 5, rear support cylinder 6 and rear support leg 23 etc.Rear support leg 23 is arranged on circumferential sleeve 22, rear support leg 23 is provided with rear support cylinder 6; The piston of rear support cylinder 6 is provided with rear support jacking block 5.The tracheae of rear support cylinder 6 is connected with a point air parcel assembly 24.During work, rear support leg 23 is supported on tested pipe interior, and rear support cylinder 6 pushes up rear support jacking block 5 on pipeline, and the rear portion of whole like this testing fixture is fixed in tested pipeline.
Axial limiting assembly 4 is installed on the circumferential sleeve 22 of circumferential assembly, plays the axial limiting effect of testing fixture.Water logging range finding probe 3 is installed above it, plays range finding effect.
Probe assembly 7 is checking modules of testing fixture, and the immersion probe comprising different angles surpasses head, nut 17, linear bearing, nut and conduit 18.During work, the rectilinear motion pair that linear bearing and the axis of guide 15 form provides rectilinear motion basis, and the screw pair that axial driving force is made up of the nut 17 above it and leading screw 16 provides axial driving force.Probe assembly 7 is with axial component circumferential movement.The ultrasound lines that immersion probe surpasses head is through conduit 18 li, together with probe assembly 7 axially-movable, can reduce the ultrasound lines that immersion probe surpasses head like this and interfere risk in motion process.
Air parcel assembly 24 and axial direction electric machine 20 is divided to be installed on the circumferential sleeve 22 of circumferential assembly.Point air parcel assembly 24 is connectors of all pneumatic elements of testing fixture, and coupling box assembly 26 is connectors of all electrical equipments of testing fixture.Circumference motor 1 is connected with coupling box assembly 26 with the cable of axial direction electric machine 20.
Equipment is installed and fixing means
Before a kind of small-caliber pipeline inwall water logging ultrasonic inspection apparatus checks, need to hang with the ring in nuclear island to be suspended in tested pipeline, and be in place.
Before lower water, first by the front support cylinder 11 of testing fixture and rear support cylinder 6 furnishing contraction state.Again quick long rod tool inserted the hoisting head 2 of testing fixture and lock, then coordinate underwater camera ring to hang and testing fixture is hung tested Near Pipelines, slowly testing fixture is pushed to inside pipeline again, until axial limiting assembly 4 pushes up internal pressure vessel walls.Then, front support cylinder 11 and rear support cylinder 6 furnishing are stretched out state, and front support jacking block 10 and rear support jacking block 5 are pushed up tested inner-walls of duct, and now testing fixture and pressure vessel are fixed.Again quick long rod tool is taken out from hoisting head 2.Testing fixture is installed and is fixed complete.Testing fixture axial location method
During due to installation check device, can not ensure axial limiting assembly 4 completely and internal pressure vessel walls fit, gap between the two can affect the axial location of testing fixture.The utility model installs water logging range finding probe 3 on axial limiting assembly 4, measured the distance of water logging range finding probe 3 and internal pressure vessel walls by ultrasonic system after being in place, then contrast with theoretical value, by difference input control system in order to prosthesis shaft to alignment error.Front support cylinder tracheae method for arranging
Due to testing fixture check time, probe assembly 7 ceaselessly will carry out axial and circumferential motion, checks that front support cylinder 11 does not move relative to tested pipeline, need the layout considering front support cylinder 11 tracheae, otherwise tracheae is easy to interfere with probe assembly 7.The utility model arranges a tracheae guide pipe 8 in axial component, and front support cylinder 11 tracheae from passing inside it, then through circumferential sleeve 22, is connected with main cables finally by a point air parcel assembly 24.So just can avoid and probe assembly 7 straight contact, reduce dry step risk.Increase the rigidity of axial component simultaneously.
Equipment is installed and fixing means
Quick long rod tool can insert the hoisting head 2 of testing fixture like a cork and can reliably lock, and each cylinder of testing fixture also can stretch out and contraction reliably.Hang testing fixture can be delivered to tested pipeline with ring, and make axial limiting assembly 4 and internal pressure vessel walls.Front support jacking block 10 and rear support jacking block 5 can be pushed up tested inner-walls of duct by front support cylinder 11 and rear support cylinder 6, and now testing fixture and pressure vessel are fixed reliable.Quick long rod tool can take out easily above hoisting head 2.After taking-up, testing fixture is still fixing reliable.Front support cylinder tracheae method for arranging
Testing fixture install and fixing after, axial limiting assembly 4 and internal pressure vessel walls have certain gap.By ultrasonic system measure water logging range finding probe 3 can measure the distance with internal pressure vessel walls, by the difference input control system between this distance and theoretical value can prosthesis shaft to alignment error.
Front support cylinder tracheae method for arranging
The tracheae of front support cylinder 11 passes from the tracheae guide pipe 8 of axial component, then through circumferential sleeve 22, is connected with main cables finally by a point air parcel assembly 24.When testing fixture checks, the tracheae of front support cylinder 11 does not produce interference risk.
Testing fixture, before lower water, needs to demarcate water logging ultrasonic probe, the demarcation of all airtight tests of electrical equipment under water, the function test of cylinder and control system.Then the front support cylinder 11 of testing fixture and rear support cylinder 6 are arranged to contraction state.Again quick long rod tool inserted the hoisting head 2 of testing fixture and lock, then coordinate underwater camera ring to hang and testing fixture is hung tested Near Pipelines, slowly testing fixture is pushed to inside pipeline again, until axial limiting assembly 4 pushes up internal pressure vessel walls.Then, front support cylinder 11 and rear support cylinder 6 furnishing are stretched out state, and front support jacking block 10 and rear support jacking block 5 are pushed up tested inner-walls of duct, and now testing fixture and pressure vessel are fixed.Again quick long rod tool is taken out from hoisting head 2.Testing fixture is installed and is fixed complete.After installing, scanning can be carried out according to scanning program.After scanning, quick long rod tool inserted the hoisting head 2 of testing fixture and locks, then front support cylinder 11 and rear support cylinder 6 being arranged to contraction state, then hanging with ring testing fixture is regained, whole inspection is complete.
Claims (8)
1. a Nozzle Zone of Vessels inwall water logging ultrasonic inspection apparatus, is characterized in that: comprise circumferential assembly, axial component, front support assembly, rear support assembly, probe assembly (7), axial limiting assembly (4), coupling box assembly (26) and point air parcel assembly (24); Circumference assembly is connected with one end of axial component, front support assembly is connected with the other end of axial component, probe assembly (7) is arranged in axial component, and rear support assembly, axial limiting assembly (4), coupling box assembly (26) and a point air parcel assembly (24) are arranged on circumferential assembly; Front support assembly, rear support modular support are at tested pipe interior; Circumference assembly drive axial component and on probe assembly (7) move in the circumferential direction; Probe assembly (7) moves vertically in axial component.
2. Nozzle Zone of Vessels inwall water logging ultrasonic inspection apparatus according to claim 1, it is characterized in that: the installation foundation of described circumferential assembly is circumferential sleeve (22), circumferential sleeve (22) is upper installs circumferential motor (1), hoisting head (2), axial limiting assembly (4), rear support assembly, point air parcel assembly (24), cable clamp (25), coupling box assembly (26), safety rope boatswain chair (27) and circumferential driving gear; Circumference mandrel (21) is arranged in circumferential sleeve (22), can rotate relative to circumferential sleeve (22), circumference gear ring (29) is fixedly connected with one end of circumferential mandrel (21), and circumferential driving gear (28) is connected with circumferential motor (1); The gear-wheel gear-ring that circumference motor (1) consists of circumferential driving gear (28) and circumferential gear ring (29) is secondary, and circumferential driving force is passed to circumferential mandrel (21).
3. Nozzle Zone of Vessels inwall water logging ultrasonic inspection apparatus according to claim 2, it is characterized in that: the installation foundation of described axial component is axial component rear support seat (19), circumference mandrel (21) is connected with axial component rear support seat (19), and circumferential driving force is passed to whole axial component; Axial component rear support seat (19) installs axial direction electric machine (20) above, axial component rear support seat (19) is connected with one end of leading screw (16), the axis of guide (15) and tracheae guide pipe (8), and axial component front support seat (14) is connected with the other end of leading screw (16), the axis of guide (15), tracheae guide pipe (8); Motor (20) is connected with one end of leading screw (16), drive leading screw (16) to rotate, the tracheae of front support cylinder (11) is connected with a point air parcel assembly (24) through tracheae guide pipe (8), circumferential mandrel (21).
4. Nozzle Zone of Vessels inwall water logging ultrasonic inspection apparatus according to claim 2, is characterized in that: described front support assembly comprises front support sleeve (9), front support jacking block (10), front support cylinder (11), front support leg (12) and front support mandrel (13); Front support sleeve (9) installs front support cylinder (11), front support leg (12) above, and front support jacking block (10) is arranged on front support cylinder (11) piston; Front support mandrel (13) is arranged in front support sleeve (9), rotates relative to front support sleeve (9); Front support mandrel (13) is connected with axial component front support seat (14); During work, front support leg (12) is supported on tested pipe interior, and front support cylinder (11) pushes up front support jacking block (10) on pipeline; The tracheae of front support cylinder (11) is connected with a point air parcel assembly (24) through tracheae guide pipe (8), circumferential mandrel (21) successively.
5. Nozzle Zone of Vessels inwall water logging ultrasonic inspection apparatus according to claim 2, is characterized in that: described rear support assembly comprises rear support jacking block (5), rear support cylinder (6) and rear support leg (23); Rear support leg (23) is arranged on circumferential sleeve (22), rear support leg (23) is provided with rear support cylinder (6); The piston of rear support cylinder (6) is provided with rear support jacking block (5); The tracheae of rear support cylinder (6) is connected with a point air parcel assembly (24); During work, rear support leg (23) is supported on tested pipe interior, and rear support cylinder (6) pushes up rear support jacking block (5) on pipeline.
6. Nozzle Zone of Vessels inwall water logging ultrasonic inspection apparatus according to claim 2, it is characterized in that: described axial limiting assembly (4) is installed on the circumferential sleeve (22) of circumferential assembly, axial limiting assembly (4) is provided with water logging range finding probe (3).
7. Nozzle Zone of Vessels inwall water logging ultrasonic inspection apparatus according to claim 3, is characterized in that: the immersion probe that described probe assembly (7) comprises different angles surpasses head, nut (17), linear bearing, nut and conduit (18); During work, the rectilinear motion pair that linear bearing and the axis of guide (15) form provides rectilinear motion basis, and the screw pair that axial driving force is made up of the nut (17) above it and leading screw (16) provides axial driving force; Probe assembly (7) is with axial component circumferential movement; It is inner that the ultrasound lines that immersion probe surpasses head is through conduit (18), together with probe assembly (7) axially-movable.
8. Nozzle Zone of Vessels inwall water logging ultrasonic inspection apparatus according to claim 3, is characterized in that: described point air parcel assembly (24) and axial direction electric machine (20) are installed on the circumferential sleeve (22) of circumferential assembly; Circumference motor (1) is connected with coupling box assembly (26) with the cable of axial direction electric machine (20).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420867295.8U CN204731194U (en) | 2014-12-30 | 2014-12-30 | A kind of Nozzle Zone of Vessels inwall water logging ultrasonic inspection apparatus |
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| CN201420867295.8U CN204731194U (en) | 2014-12-30 | 2014-12-30 | A kind of Nozzle Zone of Vessels inwall water logging ultrasonic inspection apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105806939A (en) * | 2014-12-30 | 2016-07-27 | 中核武汉核电运行技术股份有限公司 | Pressure vessel adapter tube inner wall water immersion ultrasonic inspection device |
| CN106935289A (en) * | 2015-12-29 | 2017-07-07 | 核动力运行研究所 | A kind of reactor pressure vessel peace note pipe is automatic to check positioning drive unit |
-
2014
- 2014-12-30 CN CN201420867295.8U patent/CN204731194U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105806939A (en) * | 2014-12-30 | 2016-07-27 | 中核武汉核电运行技术股份有限公司 | Pressure vessel adapter tube inner wall water immersion ultrasonic inspection device |
| CN106935289A (en) * | 2015-12-29 | 2017-07-07 | 核动力运行研究所 | A kind of reactor pressure vessel peace note pipe is automatic to check positioning drive unit |
| CN106935289B (en) * | 2015-12-29 | 2019-01-08 | 核动力运行研究所 | A kind of reactor pressure vessel peace note pipe automaticly inspects positioning drive unit |
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