CN115015078A - Automatic inspection device for liquid permeation of tube plate seal welding in container - Google Patents

Automatic inspection device for liquid permeation of tube plate seal welding in container Download PDF

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Publication number
CN115015078A
CN115015078A CN202210609020.3A CN202210609020A CN115015078A CN 115015078 A CN115015078 A CN 115015078A CN 202210609020 A CN202210609020 A CN 202210609020A CN 115015078 A CN115015078 A CN 115015078A
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CN
China
Prior art keywords
track
tube plate
workbench
module
inspection device
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Pending
Application number
CN202210609020.3A
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Chinese (zh)
Inventor
贺锡鹏
王波
魏亚兵
王方方
毛敏
苏润
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Xian Thermal Power Research Institute Co Ltd
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Xian Thermal Power Research Institute Co Ltd
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Priority to CN202210609020.3A priority Critical patent/CN115015078A/en
Publication of CN115015078A publication Critical patent/CN115015078A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/08Investigating permeability, pore-volume, or surface area of porous materials
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)

Abstract

The invention discloses an automatic detection device for liquid permeation of tube plate seal welding in a container, which comprises a mechanical unit, a control unit and a camera and recording unit, wherein the mechanical unit comprises a flange plate, an auxiliary track, a workbench, a rotating module, a central fixed shaft and a main track; wherein, the center fixed axle is worn out from assisting track front end rotation module center, and camera module is fixed with workstation one end, and the workstation agrees with swing joint with assisting track, rotation module, assists track and main track swing joint, can remove along the assigned position, and the workstation can stretch out and draw back on assisting track rotation module, workstation, and control unit and the completion of making a video recording and record unit are coordinated again to the workstation. The invention can be used for liquid permeation inspection of the sealing welding of the tube plate in the nuclear power plant container, improves the operability, reduces human errors and reduces the radiation dose.

Description

Automatic inspection device for liquid permeation of tube plate seal welding in container
Technical Field
The invention relates to an automatic inspection system, in particular to a liquid permeation automatic inspection device for tube plate seal welding in a container, which is used for automatically detecting the tube plate seal welding through liquid permeation and can complete video recording, defect measurement, defect change tracking and personnel dosage reduction.
Background
The liquid permeation inspection is an important detection method for detecting surface opening defects, the quality of products can be guaranteed through the liquid permeation inspection, the safe use of the device is guaranteed, the manufacturing process is improved, and the production cost is reduced. Fluid penetrant inspection is indispensable during the overhaul period of a nuclear power plant, and is also a nondestructive testing method which is most widely used. However, during the overhaul period of the nuclear power plant, due to high on-site dosage and complex environment, manual permeation inspection of some equipment parts is difficult to realize, and the situations of high-intensity operation of personnel, contamination of personnel, loss of permeation consumables and the like easily occur, so that automatic inspection of part of large parts is realized. With the increase of the operation time of the nuclear power station, the tube plate seal welding has to withstand the influence of ultrahigh water pressure, extreme temperature and nuclear radiation, and is easy to generate defects such as cracks, depressions and the like, and finally the failure of the welding seam at the joint of the heat transfer tube and the tube plate is caused.
Disclosure of Invention
Aiming at the problems, the automatic detection device for the liquid permeation of the sealing welding of the tube plate in the container is convenient for field detection work, and can reduce the dosage of personnel and other factors inconvenient for field detection. The device can carry out real-time video recording observation on the change process of the detected defect while carrying out penetration inspection, and can measure the length of the defect. The method can also be used for automatic liquid penetration inspection of the seal welding of the heat transfer pipe plate of the high-temperature gas cooled reactor steam generator.
The invention is realized by adopting the following technical scheme:
an automatic inspection device for liquid permeation of tube plate seal welding in a container comprises a mechanical unit, a control unit and a camera and recording unit, wherein the mechanical unit comprises a flange plate, an auxiliary track, a workbench, a rotating module, a central fixed shaft and a main track;
when the auxiliary track and main track movable connection device works, the auxiliary track and main track movable connection device can move along a specified position, the rotating module is arranged at the front end of the auxiliary track, the central fixing shaft penetrates out of the center of the rotating module at the front end of the auxiliary track and is fixed in the tube plate, the workbench is movably connected with the rotating module of the auxiliary track and can stretch out and draw back on the rotating module of the auxiliary track, the camera module is fixed with one end of the workbench, the control computer is connected with the interface box through a network cable and a data cable, the operation of the whole system is controlled, the control cabinet, the monitor and the video recorder are connected with the interface box, the control cabinet is connected with the mechanical unit through the data cable and the cable, the control computer sends an instruction through operating software, the interface box and the control cabinet receive the instruction to control the mechanical unit to operate, the camera module feeds back a real-time picture to the monitor, and all the units are matched with each other to complete the inspection.
The invention is further improved in that the main track is sleeved with a flange.
The invention is further improved in that the workbench can stretch and move along with the size of the inspection area during working.
The further improvement of the invention is that the workbench and the rotating module are fixedly installed through a buckle bolt, and the workbench can be replaced.
The invention is further improved in that the central fixed shaft is fixed in an opening mode, and the penetrating liquid on the workbench is sprayed by using pneumatic driving, so that cables and other parts of the device are reduced.
The invention has the further improvement that the auxiliary track can advance on the main track in a stepping mode, and each step is fixed by a clamping groove.
The invention is further improved in that the camera module is a multifunctional camera and has the functions of illumination, measurement, camera shooting and picture taking.
The invention has the further improvement that a spray head panel is arranged on the workbench, 4 rows of spray heads are arranged on the 3 spray head panel, a plurality of spray heads are arranged in each row, the 4 rows of spray heads respectively spray penetrating agents, cleaning agents, developing agents and natural wind, and the spray heads are arranged in a staggered mode.
The invention has at least the following beneficial technical effects:
according to the automatic detection device for the liquid permeation of the sealing welding of the tube plate in the container, aiming at the characteristics of the detection of the sealing welding of the tube plate in the container, the liquid permeation of the sealing welding can be detected by fixing the central fixed shaft, driving the rotating module and operating the workbench.
Aiming at the characteristic of sealing welding distribution of the tube plates in the container, the center of the tube plate is fixed with a shaft, and the workbench stretches and rotates, so that the aim of full coverage of the inspection range can be fulfilled, and the accuracy and the operability are improved.
Drawings
FIG. 1 is an assembly view of a mechanical unit of a system for automatically inspecting liquid penetration of tube plate seal welding in a container;
FIG. 2 is a front view of the mechanical unit of the automatic inspection system for liquid penetration in tube plate seal welding inside the vessel;
fig. 3 and 4 are side views of mechanical units of the automatic inspection system for liquid penetration of the tube plate sealing welding in the container.
Description of reference numerals:
1 is a flange plate; 2 is an auxiliary track; 3 is a workbench; 4 is a camera module; 5 is a rotating module; 6 is a central fixed shaft; and 7 is a main track.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the invention, the information such as the size, the material and the like of each part is not fixed, and the design can be reasonably designed according to the working requirement when in use.
As shown in fig. 2, the automatic inspection device for liquid permeation of tube plate seal welding in a container provided by the invention comprises a mechanical unit, a control unit and a camera and recording unit, wherein the mechanical unit comprises a flange plate 1, an auxiliary track 2, a workbench 3, a rotating module 5, a central fixed shaft 6 and a main track 7, the control unit comprises a control computer, an interface box and a control cabinet, and the camera and recording unit comprises a monitor, a video recorder and a camera module 4. The control computer is connected with the interface box through a network cable and a data cable to control the operation of the whole system, the control cabinet, the monitor and the video recorder are all connected with the interface box, the control cabinet is connected with the mechanical unit through the data cable and a cable, the control computer sends out an instruction through operating software, the interface box and the control cabinet receive the instruction to control the mechanical unit to operate, the camera module feeds back a real-time picture to the monitor, and the units are matched with each other to complete the inspection.
As shown in fig. 2, the flange plate 1 is fixed to the flange surface by 4 bolts, and when the flange plate 1 is mounted, the flange plate is mounted at the center of the flange surface and attached to the flange surface.
As shown in fig. 2, the main rail 7 is used to support the entire test device, inserted from the center of the flange 1, and after the remaining test devices are mounted on the main rail 7, the main rail is moved to the far end and is fixed to the flange 1 by bolts.
As shown in fig. 2, the auxiliary track 2 belongs to an advancing device, is slidably connected with the main track 7, fits in the main track, advances in a stepping manner, and the main track 7 and the auxiliary track 2 are both designed to be hollow so as to reduce weight; the front end of the auxiliary track 2 is provided with a rotating module 5 for rotating the workbench 3 to fully cover the inspection area, and a motor, an encoder and the like of the driving device are arranged at the front end part of the auxiliary track 2.
As shown in fig. 2, the central fixing shaft 6 is used for fixing the auxiliary rail 2 and the workbench 3, and passes through the rotating module 5 from the center of the front end of the auxiliary rail 2, and can move back and forth, and the front and back telescopic movement is controlled by a motor, when the central fixing shaft 6 moves forward to the inside of the tube plate, the front end of the central fixing shaft is pneumatically opened and is stably fixed with the inside of the tube plate. At the moment, the flange plate 1 is fixed with the flange surface, and the central fixed shaft 6 is fixed with the tube plate, so that the whole set of inspection device can be stably and firmly fixed in the container.
As shown in fig. 2, the camera module 4 is installed at the other end of the nozzle panel of the workbench 3, and the camera module 4 has functions of illumination, camera shooting, photographing, laser defect length measurement and the like; set up 4 lines of shower nozzles on 3 shower nozzle panels of workstation, every line a plurality of shower nozzles, 4 lines of shower nozzles spray penetrant, cleaner (water), developer and natural wind respectively (be used for rapid draing), and the crisscross installation each other of shower nozzle to guarantee to detect the liquid blowout and do not influence all the other shower nozzles, in order to avoid causing and detect all the other shower nozzles of liquid pollution, cause the pollution when making all the other shower nozzle liquid jet. The detection liquid is arranged outside the container, is connected with the nozzle air pipe and is pneumatically operated.
As shown in fig. 2, the table 3 is engaged with the rotary module 5 at the front end of the auxiliary rail 2, and can be extended and retracted and moved on the rotary module 5. The rotating module 5 can rotate 360 deg.. After initial installation, the rotary module 5 is electrically operated to drive the workbench 3 to rotate to complete the infiltration step of the central area of the tube plate, the rotary module is moved to extend the workbench to complete the infiltration steps of other areas, and the actions are repeated to complete cleaning, developing and drying in sequence. And finally completing the permeation operation.
The overall operation flow is as follows: the flange plate 1 and the flange surface are firmly fixed through bolts, and the central fixed shaft 6 is connected with the tube plate for auxiliary positioning; driving the auxiliary track 2, and enabling the workbench 3 to stably approach the tube plate until reaching the designated position; the rotating module 5 is driven to be matched with the workbench and the camera module 4, the control unit controls the mechanical unit, and the camera unit is matched to start corresponding inspection.
The whole inspection process is completed by the mutual cooperation of the mechanical unit, the control unit and the camera shooting and recording unit. Although the invention has been described in detail hereinabove with respect to a general description and specific embodiments thereof, it will be apparent to those skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims (8)

1. An automatic inspection device for liquid permeation of tube plate seal welding in a container is characterized by comprising a mechanical unit, a control unit and a camera shooting and recording unit, wherein the mechanical unit comprises a flange plate (1), an auxiliary track (2), a workbench (3), a rotating module (5), a central fixed shaft (6) and a main track (7), the control unit comprises a control computer, an interface box and a control cabinet, and the camera shooting and recording unit comprises a monitor, a video recorder and a camera shooting module (4);
when the auxiliary track type pipe joint works, the auxiliary track (2) is movably connected with the main track (7) and can move along a designated position, the rotating module (5) is arranged at the front end of the auxiliary track (2), the central fixed shaft (6) penetrates out of the center of the rotating module (5) at the front end of the auxiliary track (2) and is fixed in the pipe plate, the workbench (3) is movably connected with the rotating module (5) of the auxiliary track (2) and can stretch out and draw back on the rotating module (5) of the auxiliary track (2), the camera module (4) is fixed with one end of the workbench (3), the control computer is connected with the interface box through a network cable and a data cable to control the operation of the whole system, the control cabinet, the monitor and the video recorder are all connected with the interface box, the control cabinet is connected with the mechanical unit through a data cable and a mechanical unit through operation software to send an instruction, and the interface box and the control cabinet receive the instruction to control the mechanical unit to operate, the camera module feeds back a real-time picture to the monitor, and all units are matched with each other to finish the inspection.
2. The automatic inspection device for the liquid penetration of the tube plate sealing welding in the container interior according to claim 1, wherein the flange (1) is sleeved on the main rail (7).
3. The automatic inspection device for the liquid penetration of the tube plate sealing welding in the container interior according to the claim 1 is characterized in that the working table (3) can be extended, contracted and moved along with the size of the inspection area during operation.
4. The automatic inspection device for the liquid penetration of the tube plate sealing welding in the container interior according to claim 1, characterized in that the workbench (3) and the rotating module (5) are fixedly installed through a snap bolt, and the workbench (3) can be replaced.
5. The automatic device for checking the penetration of liquids into tube sheets for sealing and welding inside vessels according to claim 1, characterized by the fact that the opening of the central fixed shaft (6) and the injection of the penetration liquid on the table (3) are driven pneumatically, in order to reduce the number of cables and other parts of the device itself.
6. The automatic inspection device for liquid infiltration of tube sheet seal welding inside vessel of claim 1, characterized in that the auxiliary track (2) can advance stepwise on the main track (7), each step having a slot for fixing.
7. The automatic inspection device for the liquid penetration of the tube plate sealing welding in the container interior according to claim 1, characterized in that the camera module (4) is a multifunctional camera with the functions of illumination, measurement, camera shooting and picture taking.
8. The automatic inspection device for the liquid permeation of the tube plate sealing welding inside the container according to claim 1, wherein a nozzle panel is arranged on the workbench (3), 4 rows of nozzles are arranged on the nozzle panel 3, a plurality of nozzles are arranged in each row, the 4 rows of nozzles respectively spray penetrating agents, cleaning agents, developing agents and natural wind, and the nozzles are installed in a staggered manner.
CN202210609020.3A 2022-05-31 2022-05-31 Automatic inspection device for liquid permeation of tube plate seal welding in container Pending CN115015078A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210609020.3A CN115015078A (en) 2022-05-31 2022-05-31 Automatic inspection device for liquid permeation of tube plate seal welding in container

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210609020.3A CN115015078A (en) 2022-05-31 2022-05-31 Automatic inspection device for liquid permeation of tube plate seal welding in container

Publications (1)

Publication Number Publication Date
CN115015078A true CN115015078A (en) 2022-09-06

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ID=83070496

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210609020.3A Pending CN115015078A (en) 2022-05-31 2022-05-31 Automatic inspection device for liquid permeation of tube plate seal welding in container

Country Status (1)

Country Link
CN (1) CN115015078A (en)

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