CN112233826B - Inside combined type scanning device is taken over to pressure vessel - Google Patents
Inside combined type scanning device is taken over to pressure vessel Download PDFInfo
- Publication number
- CN112233826B CN112233826B CN202011047987.4A CN202011047987A CN112233826B CN 112233826 B CN112233826 B CN 112233826B CN 202011047987 A CN202011047987 A CN 202011047987A CN 112233826 B CN112233826 B CN 112233826B
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- China
- Prior art keywords
- connecting pipe
- cylinder
- tray
- frame
- probe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002131 composite material Substances 0.000 claims abstract description 11
- 239000000523 sample Substances 0.000 claims description 50
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000007689 inspection Methods 0.000 abstract description 50
- 238000003466 welding Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/003—Remote inspection of vessels, e.g. pressure vessels
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/017—Inspection or maintenance of pipe-lines or tubes in nuclear installations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention belongs to the field of machinery, and particularly relates to a composite scanning device in a pressure vessel connecting pipe. The nuclear power plant reactor pressure vessel adapter is small in size, more in required inspection objects and wide in inspection range, and the device is designed for improving the inspection efficiency and the inspection range. The device comprises a composite scanning device in the connecting pipe, a linear expansion device and a rotating device; the composite scanning device inside the connecting pipe is connected with the linear expansion device and the rotating device at the rear end through the screw A. The device has high inspection efficiency and wide inspection range, and saves equipment space.
Description
Technical Field
The invention belongs to the field of machinery, and particularly relates to a composite scanning device in a pressure vessel connecting pipe.
Background
The nuclear power plant reactor pressure vessel adapter is small in size, more in required inspection objects and wide in inspection range, and in order to improve the inspection efficiency and realize one-time installation of inspection equipment on the premise of meeting the inspection requirement, and full-range inspection coverage of multiple inspection objects, a combined scanning device in the nuclear power plant reactor pressure vessel adapter must be designed.
Disclosure of Invention
1. The purpose is as follows:
on the premise of ensuring the inspection requirement, the equipment is installed once, a plurality of inspection objects and various inspection methods are implemented, the inspection efficiency of the equipment is improved, and the combined type scanning device inside the reactor pressure vessel connecting pipe of the nuclear power device is developed.
2. The technical scheme is as follows:
The utility model provides a pressure vessel takes over inside combined type and sweeps device, includes take over inside combined type sweeps device, sharp telescoping device and rotary device; the composite scanning device inside the connecting pipe is connected with the linear expansion device and the rotating device at the rear end through the screw A; the combined scanning device in the connecting pipe comprises a camera, a pallet probe at the safety end of the connecting pipe, a pallet at the inner side of the connecting pipe, a centering device and a cylinder telescopic part; the front end of the combined scanning device in the connecting pipe is provided with a camera and a centering device, the camera and the centering device are connected with a connecting pipe safety end tray through screws, and the connecting pipe safety end tray is connected with a connecting pipe inner side tray at the rear end through a connecting pipe A.
The tray at the inner side of the connecting pipe is connected with the cylinder telescopic part through the connecting pipe B, and the cylinder telescopic part is connected with the linear telescopic device and the rotating device at the rear end through the connecting piece and the screw.
The tray at the inner side of the connecting pipe comprises a nut, a spring pull rod A, a spring pull rod B, a tray frame, a probe frame, a pin screw, an ultrasonic probe, a probe frame connecting piece, a pneumatic connector and a pneumatic rod; the probe frame is fixed on the probe frame connecting piece through a pin screw, and the ultrasonic probe is fixed in the probe frame through a screw; the probe frame connecting piece and the tray frame.
The upper side and the lower side of the tray frame are symmetrically distributed, four groups of springs are symmetrically arranged on the two sides of the tray frame, a spring pull rod A and a spring pull rod B are arranged on the two sides of the springs, one end of the spring pull rod A is connected with the probe frame connecting piece through a nut, and the other end of the spring pull rod A is connected with the springs.
The other side of the spring is connected with a spring pull rod B, and the other side of the spring pull rod B is fixed on the tray frame; the inside of the tray frame is provided with an air cavity which is communicated up and down, the inside of the air cavity is symmetrically penetrated with a pneumatic rod, the pneumatic rod is connected with the probe frame through a screw, and a pneumatic connector is arranged on the air cavity of the tray frame.
The cylinder telescopic component consists of a cylinder seat, a sliding block, a guide rail A, a cylinder connecting piece, a cylinder, a connecting piece, a connecting pipe B, a cylinder connecting piece, a cylinder fixing seat, a cylinder fixing nut and a locking pin; the cylinder seat is connected with the connecting piece through a screw, the cylinder is fixed on the cylinder seat through a cylinder fixing seat, a cylinder moving piston rod is connected with the connecting pipe B through a cylinder fixing nut, and the connecting pipe B is connected with the cylinder connecting piece.
The double slide blocks are symmetrically fixed on two sides of the cylinder seat, the guide rail is arranged on two sides of the cylinder connecting piece, and the guide rail guides linear motion.
An ultrasonic probe mounted in the probe frame can rotate around the pin screw by a small angle.
3. The effect is as follows:
(1) The multi-area integrated inspection mechanism in the connecting pipe. An examination apparatus is realized which allows for ultrasound examination of different examination areas within the adapter.
(2) Take over the multi-zone multi-method inspection mode. An inspection device is realized which can take over ultrasonic inspection and video inspection of different areas inside.
(3) The mechanism is integrated with the inner side of the connecting pipe to check the tray mechanism. The tray frame is designed into a cylinder rigid body by utilizing the structural characteristics of the tray frame, so that the equipment size space is saved, and the flexible fit between the probe and the inner wall of the connecting pipe is realized.
Drawings
FIG. 1 is a diagram of a combined scanning device in a pipe
FIG. 2 is a diagram of a combined scanning device in a pipe
FIG. 3 is a view of the construction of the inside tray of the adapter
FIG. 4 is a view showing the internal structure of the inside pallet for connecting pipes
Fig. 5 is a telescopic section view A of a composite scanning device in the connecting pipe
FIG. 6 is a telescopic section B of the composite scanning device inside the adapter
In the figure: 1. the device comprises a camera, 2, a safety end connecting tray probe, 3, an inner connecting tray, 4, a cylinder seat, 5, a sliding block, 6, a guide rail A,7, a connecting piece, 8, a screw A,9, a centering device, 10, a safety end connecting tray, 11, a connecting pipe A,12, a connecting pipe B,13, a screw B,14, a cylinder connecting piece, 15, a nut, 16, a spring pull rod A,17, a spring, 18, a spring pull rod B,19, a tray frame, 20, a probe frame, 21, a pin screw, 22, an ultrasonic probe, 23, a probe frame connecting piece, 24, a pneumatic connector, 25, a cylinder, 26, a cylinder fixing seat, 27, a cylinder fixing nut, 28, a locking pin, 29, a pneumatic rod, 30 and a cylinder telescopic component.
Detailed Description
The combined scanning device in the nuclear power plant reactor pressure vessel connecting pipe adopts a module design and consists of a camera 1, a connecting pipe safety end tray probe 2, a connecting pipe inner tray 3, a connecting piece 7, a centering device 9, a connecting pipe safety end tray 10, a connecting pipe A11, a connecting pipe B12 and a cylinder telescopic part 30. The composite scanning device inside the connecting pipe is connected with the linear telescopic motion and the rotary motion of the rear end through a screw A8, the camera 1 and the centering device 9 are installed at the forefront end of the composite scanning device inside the connecting pipe, the camera 1 and the centering device are connected with the connecting pipe safety end tray 10 through screws, the connecting pipe safety end tray 10 is connected with the connecting pipe inner side tray 3 of the rear end through a connecting pipe A11, the connecting pipe inner side tray 3 is connected with the cylinder telescopic part 30 through a connecting pipe B12, the cylinder telescopic part 30 is connected with the linear telescopic motion and the rotary motion of the rear end through a connecting piece 7 and a screw 8, and the inspection of different inspection positions inside the connecting pipe of the scanning device is realized through the linear telescopic motion and the rotary motion and the cylinder action of the cylinder telescopic part 30 of the front end.
The tray 3 at the inner side of the connecting pipe consists of a nut 15, a spring pull rod A16, a spring 17, a spring pull rod B18, a tray frame 19, a probe frame 20, a pin screw 21, an ultrasonic probe 22, a probe frame connecting piece 23, a pneumatic connector 24 and a pneumatic rod 29. Two or more probe frame connecting pieces 23 are respectively and symmetrically distributed on the upper side and the lower side of the tray frame 19 through screws, the probe frame 20 is fixed on the probe frame connecting pieces 23 through pin screws 21, the ultrasonic probe 22 is fixed in the probe frame 20 through screws, and the ultrasonic probe 22 arranged in the probe frame 20 can rotate around the pin screws 21 at a small angle. A plurality of groups of springs 17 are symmetrically arranged on two sides of the tray frame 19, a spring pull rod A16 and a spring pull rod B18 are arranged on two sides of the springs 17, one end of the spring pull rod A16 is connected with a probe frame connecting piece 23 through a nut 15, and the other end is connected with the springs. The other side of the spring 17 is connected with a spring pull rod B18, and the other side of the spring pull rod B is fixed on a tray frame 19. An air cavity communicated up and down is formed in the tray frame 19, air rods 29 are symmetrically arranged in the air cavity in a penetrating mode, the air rods 29 are connected with the probe frame connecting piece 23 through screws, an air connector 24 is arranged on the air cavity of the tray frame 19, and through air control, the ultrasonic probe 22 radially stretches out and draws back in a connecting pipe, and the ultrasonic probe 22 is attached to the inner wall of the connecting pipe.
The cylinder telescopic part 30 consists of a cylinder seat 4, a sliding block 5, a guide rail A6, a cylinder connecting piece 14, a cylinder 25, a connecting piece 7, a connecting pipe B12, the cylinder connecting piece 14, the cylinder 25, a cylinder fixing seat 26 and a cylinder fixing nut 27 locking pin 28. The cylinder seat 4 is connected with the connecting piece 7 through a screw, the cylinder 25 is fixed on the cylinder seat 4 through a cylinder fixing seat 26, a piston rod for movement of the cylinder 25 is connected with the connecting pipe B12 through a cylinder fixing nut 27, and the connecting pipe B12 is connected with the cylinder connecting piece 14. The double slide blocks 5 are symmetrically fixed on two sides of the cylinder seat 4, the guide rail 6 is arranged on two sides of the cylinder connecting piece 14, and the linear motion is guided. When the cylinder 25 acts, the cylinder moving piston rod pushes the cylinder connecting piece 14 to move, and drives the connecting pipe inner side tray 3, the connecting pipe safety end tray 10, the camera 1 and the centering device 9 at the front end to move. The centering device 9 measures whether the installation of the checking device in the pipeline is on the axis of the connecting pipe, the camera 1 performs video inspection in the connecting pipe, the connecting pipe safety end tray 10 performs welding line inspection of the connecting pipe safety end, and the connecting pipe inner tray 3 realizes ultrasonic inspection of the connecting pipe inner side of the connecting pipe of the connecting welding line of the connecting pipe and the cylinder body.
The combined scanning device inside the reactor pressure vessel connecting pipe of the nuclear power plant is arranged on a carrying platform which is provided with a linear motion and a rotary motion for driving the whole inspection device. When the inspection device moves to the connecting pipe port accessory, the telescopic part of the air cylinder stretches out to move the centering device at the front end of the inspection device to the inner side of the connecting pipe, the centering device is driven to rotate in the connecting pipe by rotating to disturb the axis of the centering device for one circle, and the circumferential positioning of the inspection device in the connecting pipe is measured.
After the positioning is finished, the linear motion device moves the tray at the safety end of the connecting pipe to the vicinity of the safety end of the connecting pipe, the probe of the tray at the inner side of the connecting pipe is in a contracted state, and the linear motion device and the rotary motion device drive the inspection device to move, so that ultrasonic inspection and video inspection of the area of the safety end of the connecting pipe are performed.
When the ultrasonic inspection of the inner side of the connecting pipe is carried out, the inner side tray of the connecting pipe moves to the inner side scanning area of the connecting pipe, the inner side tray of the connecting pipe ventilates, the probe is attached to the inner wall of the connecting pipe, the linear movement device and the rotary movement device drive the inspection device to move, and then the ultrasonic inspection and the video inspection of the inner side area of the connecting pipe are carried out.
The invention realizes the following steps:
(1) The multi-area integrated inspection mechanism in the connecting pipe. The different inspection tools are integrated on one mechanism, so that ultrasonic inspection of different inspection areas in the connecting pipe can be realized by one inspection device, and inspection of the welding line of the safety end of the connecting pipe and inspection of the inner side of the connecting pipe cylinder body connecting welding line can be realized.
(2) Take over the multi-zone multi-method inspection mode. The ultrasonic and video inspection tool is integrated on one tool, so that an inspection device can be used for realizing ultrasonic inspection and video inspection of different areas in a connecting pipe.
(3) The mechanism is integrated with the inner side of the connecting pipe to check the tray mechanism. Utilize tray frame self structural feature, with the tray frame design as the cylinder rigid body, utilize piston rod drive probe frame connecting piece motion, through pneumatic control probe and take over the laminating device of inner wall, saved equipment size space, realize the flexible laminating of probe and take over the inner wall.
Claims (5)
1. The utility model provides a inside combined type scanning device is taken over to pressure vessel which characterized in that: comprises a composite scanning device in the connecting pipe, a linear expansion device and a rotating device; the composite scanning device inside the connecting pipe is connected with the linear expansion device and the rotating device at the rear end through the screw A (8); the combined scanning device in the connecting pipe comprises a camera (1), a safety end tray probe (2) in the connecting pipe, an inner tray (3) in the connecting pipe, a centering device (9) and a cylinder telescopic part; the forefront end of the combined scanning device in the connecting pipe is provided with a camera (1) and a centering device (9), the camera and the centering device are connected with a connecting pipe safety end tray (10) through screws, the connecting pipe safety end tray (10) is connected with a connecting pipe inner side tray (3) at the rear end through a connecting pipe A (11),
The inner tray (3) of the connecting pipe comprises a nut (15), a spring pull rod A (16), a spring (17), a spring pull rod B (18), a tray frame (19), a probe frame (20), a pin screw (21), an ultrasonic probe (22), a probe frame connecting piece (23), a pneumatic connector (24) and a pneumatic rod (29); the probe frame (20) is fixed on the probe frame connecting piece (23) through a pin screw (21), the ultrasonic probe (22) is fixed in the probe frame (20) through a screw,
Four groups of springs (17) are symmetrically distributed on the upper side and the lower side of the tray frame (19), spring pull rods A (16) and spring pull rods B (18) are arranged on the two sides of the springs (17), one end of each spring pull rod A (16) is connected with a probe frame connecting piece (23) through a nut (15), the other end is connected with the springs (17),
The cylinder telescopic component (30) consists of a cylinder seat (4), a sliding block (5), a guide rail A (6), a cylinder connecting piece (14), a cylinder (25), a connecting piece (7), a connecting pipe B (12), a cylinder fixing seat (26), a cylinder fixing nut (27) and a locking pin (28); the cylinder seat (4) is connected with the connecting piece (7) through a screw, the cylinder (25) is fixed on the cylinder seat (4) through a cylinder fixing seat (26), a cylinder (25) moving piston rod is connected with the connecting pipe B (12) through a cylinder fixing nut (27), and the connecting pipe B (12) is connected with the cylinder connecting piece (14).
2. The pressure vessel nozzle interior combined scanning apparatus of claim 1, wherein: the inner tray (3) of the connecting pipe is connected with the cylinder telescopic part (30) through the connecting pipe B (12), and the cylinder telescopic part (30) is connected with the linear telescopic device and the rotary device at the rear end through the connecting piece (7) and the screw A (8).
3. The pressure vessel nozzle interior combined scanning apparatus of claim 1, wherein: the other side of the spring (17) is connected with a spring pull rod B (18), and the other side of the spring pull rod B (18) is fixed on a tray frame (19); an air cavity communicated up and down is arranged in the tray frame (19), air rods (29) are symmetrically arranged in the air cavity in a penetrating mode, the air rods (29) are connected with the probe frame connecting piece (23) through screws, and an air connector (24) is arranged on the air cavity of the tray frame (19).
4. The pressure vessel nozzle interior combined scanning apparatus of claim 1, wherein: the double sliding blocks (5) are symmetrically fixed on two sides of the cylinder seat (4), the guide rail A (6) is arranged on two sides of the cylinder connecting piece (14) and guides the linear motion.
5. The pressure vessel nozzle interior combined scanning apparatus of claim 1, wherein: an ultrasonic probe (22) mounted in the probe frame (20) is rotatable around a pin screw (21) at a small angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011047987.4A CN112233826B (en) | 2020-09-29 | 2020-09-29 | Inside combined type scanning device is taken over to pressure vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011047987.4A CN112233826B (en) | 2020-09-29 | 2020-09-29 | Inside combined type scanning device is taken over to pressure vessel |
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| Publication Number | Publication Date |
|---|---|
| CN112233826A CN112233826A (en) | 2021-01-15 |
| CN112233826B true CN112233826B (en) | 2024-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011047987.4A Active CN112233826B (en) | 2020-09-29 | 2020-09-29 | Inside combined type scanning device is taken over to pressure vessel |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215450914U (en) * | 2020-09-29 | 2022-01-07 | 核动力运行研究所 | Pressure vessel takes over inside combined type and sweeps and looks into device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103187111B (en) * | 2011-12-28 | 2015-08-26 | 核动力运行研究所 | A kind of nuclear plant pressure vessels peace note pipe welding line ultrasonic checking tool |
| CN104183289B (en) * | 2013-05-24 | 2017-05-17 | 核动力运行研究所 | Testing device for welded joints of steam generator adapter tube |
| CN103985424B (en) * | 2014-05-29 | 2017-02-15 | 中广核检测技术有限公司 | Nuclear reactor pressure vessel nondestructive detection robot and detection method thereof |
| CN105810267B (en) * | 2014-12-30 | 2017-11-28 | 中核武汉核电运行技术股份有限公司 | Face ultrasonic inspection apparatus is passed through in a kind of nuclear reactor pressure container adapter friendship |
| CN105810265B (en) * | 2014-12-30 | 2017-11-28 | 中核武汉核电运行技术股份有限公司 | A kind of nuclear reactor pressure container water inlet adapter filleted corner ultrasonic inspection apparatus |
| CN108257693B (en) * | 2016-12-29 | 2023-09-08 | 核动力运行研究所 | Reactor pressure vessel surface scanning device |
| 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 |
| CN109406634B (en) * | 2018-12-21 | 2023-10-20 | 核动力运行研究所 | Probe laminating device for weld joint detection |
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2020
- 2020-09-29 CN CN202011047987.4A patent/CN112233826B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN215450914U (en) * | 2020-09-29 | 2022-01-07 | 核动力运行研究所 | Pressure vessel takes over inside combined type and sweeps and looks into device |
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| Publication number | Publication date |
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| CN112233826A (en) | 2021-01-15 |
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