CN114354769B - Detection system applied to in-service pressure container - Google Patents
Detection system applied to in-service pressure container Download PDFInfo
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- CN114354769B CN114354769B CN202111682954.1A CN202111682954A CN114354769B CN 114354769 B CN114354769 B CN 114354769B CN 202111682954 A CN202111682954 A CN 202111682954A CN 114354769 B CN114354769 B CN 114354769B
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- 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
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- 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
Abstract
The application relates to a detecting system for in-service pressure vessel, including detection module and supplementary installation module, detection module includes: the system comprises an acoustic emission detection probe and an intelligent control terminal; the auxiliary installation module includes: the device comprises a movable base, a sliding mechanism and a movable mechanism, wherein a support column is arranged on the sliding mechanism; the moving mechanism slides and is arranged on the supporting column, the moving mechanism comprises a supporting part and an installation part, and the installation part is used for installing the acoustic emission detection probe to the outer side of the in-service pressure container. This application acoustic emission test probe can be connected with the pressure vessel outside in active service through supplementary installation module, can cooperate the automatic movement who realizes the work piece through removing base and glide machanism in the installation to moving mechanism can reciprocate on the support column, adapts to the not in active service pressure vessel of different specifications size, can guarantee the precision that detects when improving the installation effectiveness.
Description
Technical Field
The application relates to the technical field of detection equipment, in particular to a detection system applied to an in-service pressure vessel.
Background
In recent years, petrochemical industries have been rapidly developed, and a large number of pipelines and pressure vessels are used in the industries for storing, transporting and chemical smelting of raw materials. These pipes and pressure vessels are subjected to high pressures during the production process, and a series of large accidents may occur if the safety during the production process is not guaranteed. The long term pressure gas transmission and pressure relief of the pipes or pressure vessels is prone to metal fatigue, and many pipes or pressure vessels are placed on the ground without protection from underground facilities or the like. If there are small cracks or corrosion inside the pipe or pressure vessel, stress concentrations may develop during the pressurization and depressurization process causing further crack propagation and possibly resulting in an accident.
At present, the detection of a pressure container is detected according to the detection standard ' TSGR7001-2013 ' pressure container periodic detection rule ' of a general pressure container, and the current detection means adopts a manual flaw detection method, but the manual detection method has several defects: 1. the total detection area of the pipeline or the pressure container is large, and manual detection is time-consuming and labor-consuming; 2. the manual detection means has no detection result which can be stored in a computer, so that the reliable quality tracking and management of the detection service of the pipeline or the pressure container are difficult to perform; 3. the coverage rate and the coupling quality of manual detection are difficult to control, and the detection effect is directly influenced; 4. manual inspection can only be performed in one inspection mode at a time, while a plurality of modes are required for actually and reliably inspecting the pipeline or the pressure container. According to the ultrasonic detection method and quality classification regulations of seamless steel pipes for pressure-bearing equipment in the national energy industry standard NB/T47013.3-2015, longitudinal defects, transverse defects and flat-bottom hole defects in the steel pipes need to be detected during detection, so that detection can be completed from various angles, and the manual detection method is time-consuming and labor-consuming.
Content of application
In order to improve detection precision and detection efficiency, the application provides a detecting system who is applied to in-service pressure vessel.
The application provides a detection system for in-service pressure vessel adopts following technical scheme:
a detection system applied to an in-service pressure vessel comprises a detection module and an auxiliary installation module, wherein the detection module comprises:
the acoustic emission detection probe is used for being connected with the in-service pressure container;
the intelligent control terminal is used for receiving the sound-electricity signal of the sound emission detection probe and generating a radio wave image;
the auxiliary installation module includes:
the movable base is arranged on one side of the in-service pressure vessel and can move along a set direction;
the sliding mechanism is arranged on the moving base in a sliding mode along the horizontal direction and is provided with a supporting column;
the moving mechanism slides along the vertical direction and is arranged on the supporting column, the moving mechanism comprises a supporting part and an installation part, and the installation part is used for installing the acoustic emission detection probe to the outside of the in-service pressure vessel.
Based on above-mentioned technical scheme, acoustic emission test probe can be connected with the pressure vessel outside being in active service through supplementary installation module, can cooperate the automatic movement who realizes the work piece through removal base and glide machanism in the installation, and travel mechanism can reciprocate on the support column, adapt to the pressure vessel in active service of different specifications size, confirm before the installation after need installing test probe's position, realization test probe's that can be comparatively accurate installation, can guarantee the precision that detects when improving the installation effectiveness.
Preferably, the supporting portion comprises a supporting plate connected with the supporting column in a sliding manner, an electric guide rail is fixedly arranged on the supporting plate, the mounting portion comprises a moving block connected with the electric guide rail through a guide block, a connecting plate connected with the moving block in a sliding manner and a clamping piece connected with the connecting plate, a first guide rod is fixedly connected to the connecting plate, a first guide groove for the first guide rod to penetrate through is formed in the moving block in a sliding manner, and the central axis of the first guide rod is perpendicular to the moving block;
the clamping piece comprises a backup plate fixedly connected with the connecting plate, a connecting shaft fixedly connected with the backup plate and two clamping jaws rotating with the connecting shaft.
Based on above-mentioned technical scheme, when needing to install acoustic emission test probe, the movable block moves on electric rail, drive connecting plate and holder simultaneously and remove, the in-process holder that removes can press from both sides acoustic emission test probe tightly, thereby the movable block moves in vertical direction, the connecting plate moves on the horizontal direction, can make two clamping jaws drive acoustic emission test probe and remove suitable position and install acoustic emission test probe to the pressure vessel outside in service, make acoustic emission test probe's installation more convenient.
Preferably, it is connected with the internal thread sleeve to rotate on the movable block, the rigid coupling threaded rod on the connecting plate, the threaded rod screw thread is worn to establish in the internal thread sleeve, set up the storage tank that supplies the threaded rod to remove on the movable block, threaded rod tip rigid coupling has spacing piece, the diameter of spacing piece is greater than the telescopic internal diameter of internal thread, avoids the threaded rod with the internal thread sleeve phase separation.
Based on above-mentioned technical scheme, when needing to install acoustic emission test probe, rotate the internal thread sleeve, the internal thread sleeve can the linkage threaded rod when rotating, because the connecting plate receives the limiting displacement of first guide arm, consequently the threaded rod can make a round trip to slide in the horizontal direction under the internal thread sleeve's drive, can drive acoustic emission test probe and remove towards at labour pressure vessel.
Preferably, the moving mechanism further comprises a probe feeding part, the probe feeding part comprises a feeding box fixedly connected with the support plate and a material supplementing box fixedly connected to the upper end of the feeding box, material storage cavities are arranged in the material supplementing box and the feeding box, the material storage cavities between the material supplementing box and the feeding box are communicated, a discharge hole is formed in the feeding box, a baffle is arranged at the discharge hole and hinged to the feeding box, and when the baffle is turned downwards, the acoustic emission detection probe can fall from the discharge hole to discharge materials;
be provided with the unloading limiting plate between benefit storehouse and the material loading case, the unloading limiting plate slides with the material loading case and is connected, and the unloading limiting plate sets up in the below of benefit storehouse, is used for right acoustic emission test probe carries on spacingly.
Based on above-mentioned technical scheme, can utilize probe material loading portion to carry out automatic feeding in the probe installation, store up in mending feed bin and the material loading case and put acoustic emission test probe, when the baffle overturns downwards, acoustic emission test probe can drop downwards automatically, realizes automatic feed supplement. Meanwhile, the blanking limiting plate can limit the acoustic emission detection probe, and the acoustic emission detection probe can be automatically discharged at a single time.
Preferably, the connecting shaft is sleeved with a first torsion spring, and the clamping jaw is in a tightly holding state when the clamping jaw is not stressed;
the two clamping jaws are fixedly connected with magnetic blocks, the backup plate is fixedly connected with two electromagnets, the two electromagnets are arranged in axial line symmetry around a shaft in the connecting shaft, and when the electromagnets are electrified, the electromagnets attract the magnetic blocks to open the clamping jaws;
the rigid coupling has the extension rod on the baffle, the extension rod orientation the installation department, just the end of extension rod is located the below of backup plate, the baffle with the rotation junction of going up the workbin is provided with the second torsional spring.
Based on above-mentioned technical scheme, when the movable block moves downwards and supports when moving the extension rod, the connecting plate can make the extension rod overturn downwards and drive the baffle and overturn, and the clamping jaw can be opened automatically this moment, and the guide of baffle makes acoustic emission test probe automatically enter into between two clamping jaws, makes two clamping jaws hold tightly again, can realize automatic feeding. After the automatic material supplementing is finished, the backup plate moves upwards, and the baffle and the extension rod return to the original positions under the action of the second torsion spring.
Preferably, moving mechanism still includes couplant coating portion, couplant coating portion include with the connecting seat that the backup pad is connected, with the connecting seat slide the couplant storage case of being connected and rotate the coating roller of being connected with the couplant storage case, the lower extreme intercommunication of couplant storage case has discharging channel, the discharging channel below is the opening form, the coating roller sets up the below at discharging channel, the horizontal setting that slides of couplant storage case is on the connecting seat, makes the couplant storage case can be close to or keep away from move in the direction of in service pressure vessel, make the coating roller with laminating or separation of in service pressure vessel outer wall.
Based on the technical scheme, the couplant coating part can be used for coating the couplant on the outer side of the in-service pressure container before the acoustic emission detection probe is installed, so that the acoustic emission detection probe is more tightly connected with the in-service pressure container. Store the couplant in the couplant storage box, the coating roller rotates the in-process surface and has the couplant, removes the one side that extends to pressure vessel in active service again for the coating roller laminates with the outside wall in active service pressure vessel, and smooth coating couplant, degree of automation is higher.
Preferably, a second guide rod arranged in the vertical direction is fixedly connected to the support plate, a guide sleeve ring is fixedly connected to the connecting seat, the guide sleeve ring is slidably sleeved on the second guide rod, and the moving block can abut against the lower end of the connecting seat and abut against the connecting seat to slide upwards, so that the clamping jaw drives the acoustic emission detection probe to move to one side coated with the coupling agent;
and one end of the acoustic emission detection probe facing the in-service pressure container is provided with a connecting magnetic sheet.
Based on above-mentioned technical scheme, when the roller of scribbling was laminated with the lateral wall of pressure vessel in service, the action of propping of movable block was used down, connecting seat rebound, and connecting seat removal in-process can drive backup plate and two clamping jaws rebound, consequently can make the clamping jaw drive acoustic emission test probe rebound to remove to the one side that has the couplant of coating, utilize the smooth lateral wall with pressure vessel in service of the connection magnetic sheet of acoustic emission test probe tip to be connected.
Preferably, the connecting magnetic sheet is a soft magnetic sheet, an elastic plate is connected between the connecting magnetic sheet and the acoustic emission detection probe, and the soft magnetic sheet and the elastic plate can deform.
Based on above-mentioned technical scheme, the setting up of soft magnetic sheet and elastic plate can make acoustic emission test probe and the laminating of the pressure vessel outside of being active service wall of not equidimension of specification, can adapt to multiple pressure vessel's of being active service detection installation.
Preferably, the second guide rod is sleeved with a return spring, the return spring is arranged at the lower end of the guide sleeve ring, and one end of the return spring is fixedly connected with the guide sleeve ring, so that the connecting seat is convenient to reset.
Based on above-mentioned technical scheme, reset spring's setting makes things convenient for the connecting seat to reset spring sets up at the connecting seat lower extreme, can play the cushioning effect to the connecting seat when the connecting seat resets.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the acoustic emission detection probe can be connected with the outer side of the in-service pressure container through the auxiliary installation module, automatic movement of a workpiece can be realized through matching of the movable base and the sliding mechanism in the installation process, and the movable mechanism can move up and down on the support column, so that the acoustic emission detection probe is suitable for in-service pressure containers of different specifications and sizes, the installation efficiency is improved, and the detection accuracy can be ensured;
2. the probe feeding part can be used for automatically feeding materials in the probe mounting process, the sound emission detection probes are stored in the material supplementing bin and the material feeding bin, and when the baffle is turned downwards, the sound emission detection probes can automatically fall downwards, so that automatic material supplementing is realized, and the mounting and detection efficiency is higher;
3. before the acoustic emission detection probe is installed, the couplant coating part can be used for coating the couplant on the outer side of the in-service pressure vessel, so that the acoustic emission detection probe is more tightly connected with the in-service pressure vessel. Store the couplant in the couplant storage box, the coating roller rotates the in-process surface and has the couplant, removes the one side that extends to pressure vessel in active service again for the coating roller laminates with the outside wall in active service pressure vessel, and smooth coating couplant, degree of automation is higher.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a detection system applied to an in-service pressure vessel.
Fig. 2 is a schematic diagram of a specific structure of the acoustic emission detection probe.
Fig. 3 is a schematic view of the overall structure of the auxiliary installation module.
Fig. 4 is a front view of the moving mechanism.
Fig. 5 is a specific structural diagram of the moving mechanism.
Fig. 6 is a structural diagram showing a positional relationship between the mounting portion and the couplant application portion.
Fig. 7 is a sectional perspective view of the mounting portion.
Fig. 8 is a specific structural diagram of the probe loading part.
Description of reference numerals: 1. a detection module; 11. an acoustic emission detection probe; 2. connecting magnetic sheets; 3. an elastic plate; 4. an auxiliary installation module; 5. moving the base; 51. moving the roller; 52. a guide rail; 6. a sliding mechanism; 61. a sliding block; 62. a support pillar; 63. an electric cylinder; 7. a moving mechanism; 71. a support portion; 711. a support plate; 712. an electric rail; 72. an installation part; 721. a moving block; 722. a connecting plate; 723. a clamping member; 7231. a backup plate; 7232. a connecting shaft; 7233. a clamping jaw; 7234. a magnetic block; 7235. an electromagnet; 7236. a first torsion spring; 724. a threaded rod; 725. an internally threaded sleeve; 726. a first guide bar; 727. a limiting sheet; 73. a probe feeding part; 731. feeding a material box; 732. a material supplementing bin; 733. a material storage cavity; 734. a blanking limiting plate; 735. a cylinder; 736. a baffle plate; 737. a second torsion spring; 738. an extension rod; 74. a couplant application section; 741. a connecting seat; 742. a couplant storage tank; 743. a coating roller; 744. a discharge channel; 745. an oil cylinder; 746. a guide collar; 8. mounting grooves; 9. a second guide bar; 10. a return spring.
Detailed Description
The present application is described in further detail below with reference to figures 1-8.
The embodiment of the application discloses a detection system applied to an in-service pressure vessel. Referring to fig. 1, the detection system comprises a detection module 1, the detection module 1 comprises an acoustic emission detection probe 11, the acoustic emission detection probe 11 is connected with an in-service pressure container, the detection module 1 further comprises an intelligent control terminal, a preamplifier is arranged between the intelligent control terminal and the acoustic emission detection probe 11, an acoustic emission acquisition and analysis system is arranged in the intelligent control terminal, and the intelligent control terminal and the preamplifier and the acoustic emission detection probe 11 are connected through cables.
Referring to fig. 1, the acoustic emission detection probes 11 are connected with the in-service pressure container by using a magnetic effect, a plurality of acoustic emission detection probes 11 are arranged on the outer side of the in-service pressure container, the acoustic emission detection probes 11 transmit acoustic signals to a preamplifier and then to an intelligent control terminal, the acoustic emission detection probes 11 in the intelligent control terminal convert the acoustic signals into images, and detection workers judge whether the in-service pressure container has defects or not by observing the images and can position the defects.
Referring to fig. 2, one end of the acoustic emission detection probe 11, which faces the in-service pressure vessel, is provided with a connecting magnetic sheet 2, and the connecting magnetic sheet 2 can magnetically attract the outside of the in-service pressure vessel, so that the acoustic emission detection probe 11 is connected with the in-service pressure vessel. The connecting magnetic sheet 2 is a soft magnetic sheet, the elastic plate 3 is connected between the connecting magnetic sheet 2 and the acoustic emission detection probe 11, and the soft magnetic sheet and the elastic plate 3 can deform. The soft magnetic sheet and the elastic plate 3 are arranged, so that the acoustic emission detection probe 11 can adapt to different shapes of in-service pressure vessels, the installation is more attached, and the detection effect is better.
Referring to fig. 1 and 3, the detection system further includes an auxiliary installation module 4, and the auxiliary installation module 4 includes a moving base 5, a sliding mechanism 6 slidably disposed on the moving base 5, and a moving mechanism 7 slidably disposed on the sliding mechanism 6 in a vertical direction.
Referring to fig. 3, a moving roller 51 is connected to the lower end of the moving base 5, and may be configured to move automatically, controlled by a controller, and move on a side where the in-service pressure is easy. The upper end of the movable base 5 is connected with a guide rail 52, and the guide rail 52 can be set into different shapes according to different in-service pressure vessels, wherein the guide rail is in an arc shape in the embodiment.
Referring to fig. 3, glide machanism 6 and guide rail 52 cooperate, can move on moving base 5, and glide machanism 6 includes sliding block 61 and sets up support column 62 on sliding block 61, and sliding block 61 lower extreme is connected with the runner, and the runner cooperatees with guide rail 52, and the runner also can utilize electrical equipment to control, realizes automatic the removal.
Referring to fig. 3 and 4, moving mechanism 7 slides along vertical direction and sets up on support column 62, moving mechanism 7 includes supporting part 71, installation department 72, probe material loading portion 73 and couplant coating portion 74, probe material loading portion 73 can automatic feed, couplant coating portion 74 can be with the automatic coating of couplant in the pressure vessel outside of being commissioned, installation department 72 is 11 automatic installation to the pressure vessel lateral wall of being commissioned in acoustic emission test probe, consequently, can automatic installation acoustic emission test probe 11, make the testing process realize automaticly, it is more intelligent.
Referring to fig. 3 and 4, the supporting portion 71 includes a supporting plate 711 slidably connected to the supporting column 62, the supporting column 62 is provided with an electric cylinder 63, the electric cylinder 63 can drive the supporting plate 711 to automatically slide on the supporting portion 71, the mounting portion 72, the probe feeding portion 73 and the coupling agent coating portion 74 are all disposed on the supporting plate 711, and in the process of sliding the supporting plate 711, the mounting portion 72, the probe feeding portion 73 and the coupling agent coating portion 74 can be driven to slide up and down.
Referring to fig. 5 and 6, the couplant coating portion 74 includes a connecting seat 741 slidably connected to the supporting plate 711, a couplant storage tank 742 slidably connected to the connecting seat 741, and a coating roller 743 rotatably connected to the couplant storage tank 742, a discharge channel 744 is communicated to a lower end of the couplant storage tank 742, the lower side of the discharge channel 744 is open, the coating roller 743 is disposed below the discharge channel 744, and the couplant storage tank 742 is horizontally slidably disposed on the connecting seat 741, so that the couplant storage tank 742 can move in a direction close to or away from the in-service pressure vessel. The connecting seat 741 is connected with an oil cylinder 745 or an air cylinder 735, in this embodiment, the oil cylinder 745 is selected, the oil cylinder 745 is started, and the oil cylinder 745 drives the couplant storage tank 742 to move in the horizontal direction, so that the coating roller 743 is attached to or separated from the outer wall of the in-service pressure vessel.
Referring to fig. 5 and 6, a mounting groove 8 is fixedly connected to the support plate 711 along a vertical direction, a second guide rod 9 is fixedly connected to the inside of the mounting groove 8, a guide collar 746 is fixedly connected to the connecting seat 741, and the guide collar 746 extends into the mounting groove 8 and is slidably sleeved on the second guide rod 9. The second guide rod 9 is sleeved with a return spring 10, the return spring 10 is arranged at the lower end of the guide lantern ring 746, one end of the return spring 10 is fixedly connected with the guide lantern ring 746, and the other end of the return spring is fixedly connected with the bottom wall of the mounting groove 8.
Referring to fig. 6, a motor guide 712 is fixedly connected to the support plate 711, the motor guide 712 is disposed along a vertical direction, and an upper end of the motor guide 712 extends above the connection seat 741. The mounting portion 72 includes a moving block 721, a connecting plate 722 slidably connected to the moving block 721, and a holding member 723 connected to the connecting plate 722, the moving block 721 is fixedly connected to a guide slidably connected to the motor rail 712, and the moving block 721 is vertically movable on the motor rail 712.
Referring to fig. 6, the clamping member 723 includes a backup plate 7231 fixedly connected to the connecting plate 722, a connecting shaft 7232 fixedly connected to the backup plate 7231, and two clamping jaws 7233 rotating with the connecting shaft 7232, the two clamping jaws 7233 are fixedly connected to a magnetic block 7234, the backup plate 7231 is fixedly connected to two electromagnets 7235, and the two electromagnets 7235 are disposed in axial symmetry with respect to the axis of the connecting shaft 7232. When the acoustic emission detection probe 11 moves to one side of the in-service pressure vessel, when the electromagnet 7235 is energized, the electromagnet 7235 attracts the magnetic block 7234 to open the clamping jaw 7233, so that the clamping jaw 7233 can be separated from the acoustic emission detection probe 11, and the acoustic emission detection probe 11 can be smoothly installed.
Referring to fig. 6, a first torsion spring 7236 is sleeved on the connecting shaft 7232, the first torsion spring 7236 generates a clamping force between the two clamping jaws 7233 to clamp the acoustic emission testing probe 11, and when the electromagnet 7235 is not energized, the two clamping jaws 7233 can return to the original position under the action of the first torsion spring 7236 to smoothly clamp the acoustic emission testing probe 11. And friction increasing sheets are fixedly connected to the opposite sides of the two clamping jaws 7233, so that the friction force between the two clamping jaws and the emission detection probe 11 can be increased.
Referring to fig. 7, one side rigid coupling threaded rod 724 that connecting plate 722 faced movable block 721 has seted up mounting groove 8 on the movable block 721, and the internal thread sleeve 725 is connected with in the internal rotation of mounting groove 8, and internal thread sleeve 725 can utilize the driving motor drive to rotate, and threaded rod 724 screw thread wears to establish in internal thread sleeve 725, has seted up the storage tank that supplies threaded rod 724 to remove on the movable block 721. The connecting plate 722 is fixedly connected with a first guide rod 726, the moving block 721 is provided with a first guide groove for the first guide rod 726 to slide through, and a central axis of the first guide rod 726 is perpendicular to the moving block 721.
The driving motor is started, the driving motor drives the internal thread sleeve 725 to rotate, the internal thread sleeve 725 can be linked with the threaded rod 724 when rotating, the connecting plate 722 can move towards the direction close to or far away from the moving block 721 due to the fact that the connecting plate 722 is limited by the first guide rod 726, the connecting plate 722 drives the clamping jaw 7233 to move towards the in-service pressure container, and the acoustic emission detection probe 11 can be installed on the outer side of the in-service pressure container.
Referring to fig. 7, the end of the threaded rod 724 is fixedly connected with a limiting sheet 727, and the diameter of the limiting sheet 727 is larger than the inner diameter of the internal threaded sleeve 725, so that the threaded rod 724 is prevented from being separated from the internal threaded sleeve 725, and meanwhile, the installation part 72 is ensured to run smoothly.
When the acoustic emission detection probe 11 is installed, the oil cylinder 745 is started, and the oil cylinder 745 drives the couplant storage tank 742 to move in the horizontal direction, so that the coating roller 743 is attached to the outer wall of the in-service pressure vessel. The electric guide rail 712 is started, the moving block 721 moves upwards, and the acoustic emission detection probe 11 is driven to move upwards in the moving process of the moving block 721 until the moving block 721 abuts against the connecting seat 741, so that the connecting seat 741 moves upwards. At this time, the coating roller 743 moves upward, and the coating roller 743 coats the couplant on the outside of the in-service pressure vessel. The moving block 721 drives the acoustic emission detection probe 11 to move to the side coated with the coupling agent, and then the acoustic emission detection probe 11 is attached to the in-service pressure vessel by the cooperation of the internal threaded sleeve 725 and the threaded rod 724, so that the acoustic emission detection probe 11 is smoothly installed and assembled.
Referring to fig. 5 and 8, the probe loading part 73 includes an upper material box 731 fixedly connected to the support plate 711, and a material supplementing bin 732 fixedly connected to the upper end of the upper material box 731, wherein material storing cavities 733 are disposed in the material supplementing bin 732 and the upper material box 731, and the material storing cavities 733 between the material supplementing bin 732 and the upper material box 731 are communicated. A blanking limiting plate 734 is arranged between the material supplementing bin 732 and the material loading bin 731, the blanking limiting plate 734 is connected with the material loading bin 731 in a sliding mode, the blanking limiting plate 734 is arranged below the material supplementing bin 732, and the blanking limiting plate 734 can be driven by an air cylinder 735 and is used for limiting the acoustic emission detection probe 11.
Referring to fig. 8, upper box 731 sets up in the latter half of backup pad 711, and upper box 731 has seted up the discharge gate towards on the lateral wall of installation department 72, and discharge gate department is provided with baffle 736, and baffle 736 is articulated mutually with upper box 731, and baffle 736 is provided with second torsional spring 737 with upper box 731's rotation junction, and when baffle 736 overturns downwards, acoustic emission test probe 11 can follow the ejection of compact of whereabouts in the discharge gate. An extension rod 738 is fixedly connected to the baffle 736, the extension rod 738 faces the mounting portion 72, and the end of the extension rod 738 is located below the backup plate 7231.
When needing the material loading, the movable block 721 slides downwards, and backup plate 7231 and clamping piece 723 on the movable block 721 move downwards, make backup plate 7231 support extension rod 738, give electro-magnet 7235 circular telegram this moment, clamping jaw 7233 is opened, and backup plate 7231 supports extension rod 738 upset downwards, and extension rod 738 drives baffle 736 upset downwards simultaneously. When baffle 736 rotates downwards, lose baffle 736 spacing acoustic emission test probe 11 and can remove to clamping jaw 7233 on, cut off the power supply for electro-magnet 7235, under the effect of first torsion spring 7236, two clamping jaws 7233 hold tightly, press from both sides acoustic emission test probe 11 tightly, install acoustic emission test probe 11 to the pressure vessel outside in service again, can realize automatic feed supplement, install the convenience that acoustic emission test probe 11 is more, efficiency is also higher.
The implementation principle of the detection system applied to the in-service pressure vessel in the embodiment of the application is as follows: in the process of detecting the in-service pressure vessel, the movable base 5 is firstly moved to one side of the in-service pressure vessel, and the acoustic emission detection probe 11 provided with the connecting magnetic sheet 2 is filled into the upper material box 731.
And starting the movable base 5 and the sliding mechanism 6, and mounting the acoustic emission detection probe 11 to the outer side of the in-service pressure vessel by using the mounting part 72. In the installation process, after the couplant coating portion 74 moves to the set position, the cylinder 745 is started first, and the cylinder 745 drives the couplant storage tank 742 to move in the horizontal direction, so that the coating roller 743 is attached to the outer wall of the in-service pressure vessel. And starting the electric guide rail 712 again, moving the moving block 721 upwards, and driving the acoustic emission detection probe 11 to upwards move in the moving process of the moving block 721 until the moving block 721 abuts against the connecting seat 741, so that the connecting seat 741 upwards moves. At this time, the coating roller 743 moves upward, and the coating roller 743 coats the couplant on the outside of the in-service pressure vessel. The moving block 721 drives the acoustic emission detection probe 11 to move to the side coated with the coupling agent, and then the acoustic emission detection probe 11 is attached to the in-service pressure vessel by the cooperation of the internal threaded sleeve 725 and the threaded rod 724, so that the acoustic emission detection probe 11 is smoothly installed and assembled.
After the acoustic emission detection probe 11 is installed, the moving block 721 slides downwards, the backup plate 7231 and the clamping piece 723 on the moving block 721 move downwards, the backup plate 7231 abuts against the extension rod 738, the electromagnet 7235 is electrified at the moment, the clamping jaw 7233 is opened, the backup plate 7231 abuts against the extension rod 738 and turns downwards, and meanwhile, the extension rod 738 drives the baffle 736 to turn downwards. When the baffle 736 rotates downwards, the acoustic emission detection probe 11 losing the limit of the baffle 736 can move to the clamping jaws 7233, the electromagnet 7235 is powered off, the two clamping jaws 7233 are tightly held under the action of the first torsion spring 7236, the acoustic emission detection probe 11 is clamped, automatic material supplement is realized, and the operation is repeated until all the acoustic emission detection probes 11 are installed.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. Detection system applied to in-service pressure vessels, characterized by comprising a detection module (1) and an auxiliary installation module (4), the detection module (1) comprising:
the acoustic emission detection probe (11) is used for being connected with the in-service pressure container;
the intelligent control terminal is used for receiving the acoustic-electric signals of the acoustic emission detection probe (11) and generating electric wave images;
the auxiliary installation module (4) comprises:
the movable base (5) is arranged on one side of the in-service pressure vessel and can move along a set direction;
the sliding mechanism (6) is arranged on the moving base (5) in a sliding mode along the horizontal direction, and a supporting column (62) is arranged on the sliding mechanism (6);
the moving mechanism (7) is arranged on the supporting column (62) in a sliding mode along the vertical direction, the moving mechanism (7) comprises a supporting portion (71) and a mounting portion (72), and the mounting portion (72) is used for mounting the acoustic emission detection probe (11) to the outer side of the in-service pressure vessel;
the supporting part (71) comprises a supporting plate (711) connected with the supporting column (62) in a sliding manner, an electric guide rail (712) is fixedly arranged on the supporting plate (711), the mounting part (72) comprises a moving block (721) connected with the electric guide rail (712) through a guide block, a connecting plate (722) connected with the moving block (721) in a sliding manner and a clamping part (723) connected with the connecting plate (722), the connecting plate (722) is fixedly connected with a first guide rod (726), the moving block (721) is provided with a first guide groove for the first guide rod (726) to penetrate through in a sliding manner, and the central axis of the first guide rod (726) is perpendicular to the moving block (721);
the clamping piece (723) comprises a backup plate (7231) fixedly connected with the connecting plate (722), a connecting shaft (7232) fixedly connected with the backup plate (7231) and two clamping jaws (7233) rotating with the connecting shaft (7232).
2. The inspection system of claim 1 applied to in-service pressure vessels, wherein: the movable block (721) is rotatably connected with an internal thread sleeve (725), a threaded rod (724) is fixedly connected to the connecting plate (722), threads of the threaded rod (724) penetrate through the internal thread sleeve (725), an accommodating groove for the threaded rod (724) to move is formed in the movable block (721), a limiting piece (727) is fixedly connected to the end portion of the threaded rod (724), the diameter of the limiting piece (727) is larger than the inner diameter of the internal thread sleeve (725), and the threaded rod (724) is prevented from being separated from the internal thread sleeve (725).
3. The inspection system of claim 1 applied to in-service pressure vessels, wherein: the moving mechanism (7) further comprises a probe feeding part (73), the probe feeding part (73) comprises an upper material box (731) fixedly connected with the supporting plate (711), and a supplement bin (732) fixedly connected to the upper end of the upper material box (731), storage cavities (733) are arranged in the supplement bin (732) and the upper material box (731), the storage cavities (733) between the supplement bin (732) and the upper material box (731) are communicated, a discharge hole is formed in the upper material box (731), a baffle (736) is arranged at the discharge hole, the baffle (736) is hinged to the upper material box (731), and when the baffle (736) overturns downwards, the acoustic emission detection probe (11) can fall from the discharge hole to discharge;
a blanking limiting plate (734) is arranged between the material supplementing bin (732) and the material loading box (731), the blanking limiting plate (734) is connected with the material loading box (731) in a sliding mode, and the blanking limiting plate (734) is arranged below the material supplementing bin (732) and used for limiting the acoustic emission detection probe (11).
4. The inspection system of claim 3 applied to in-service pressure vessels, wherein: the connecting shaft (7232) is sleeved with a first torsion spring (7236), and the clamping jaw (7233) is in a tightly holding state when the clamping jaw (7233) is not stressed;
the two clamping jaws (7233) are fixedly connected with magnetic blocks (7234), the backup plate (7231) is fixedly connected with two electromagnets (7235), the two electromagnets (7235) are arranged in a axisymmetric mode around the axis in the connecting shaft (7232), and when the electromagnets (7235) are electrified, the electromagnets (7235) attract the magnetic blocks (7234) to open the clamping jaws (7233);
the rigid coupling has extension rod (738) on baffle (736), extension rod (738) orientation installation department (72), just the end of extension rod (738) is located the below of backup plate (7231), baffle (736) with the rotation junction of going up workbin (731) is provided with second torsional spring (737).
5. The inspection system of claim 1 applied to in-service pressure vessels, wherein: moving mechanism (7) still include couplant coating portion (74), couplant coating portion (74) include with connecting seat (741) that backup pad (711) are connected, couplant storage tank (742) that slides and be connected with connecting seat (741) and coating roller (743) of being connected with couplant storage tank (742) rotation, the lower extreme intercommunication of couplant storage tank (742) has discharging channel (744), discharging channel (744) below is the open form, coating roller (743) sets up the below at discharging channel (744), couplant storage tank (742) horizontal slip sets up on connecting seat (741), makes couplant storage tank (742) can be close to or keep away from move in the direction of working pressure vessel, make coating roller (743) with laminating or separation in the pressure vessel outer wall.
6. The inspection system of claim 5 applied to in-service pressure vessels, wherein: a second guide rod (9) arranged in the vertical direction is fixedly connected to the supporting plate (711), a guide sleeve ring (746) is fixedly connected to the connecting seat (741), the guide sleeve ring (746) is slidably sleeved on the second guide rod (9), the moving block (721) can abut against the lower end of the connecting seat (741) and abut against the connecting seat (741) to slide upwards, and the clamping jaw (7233) drives the acoustic emission detection probe (11) to move to the side coated with the coupling agent;
and one end of the acoustic emission detection probe (11) facing the in-service pressure container is provided with a connecting magnetic sheet (2).
7. The inspection system of claim 6 applied to in-service pressure vessels, wherein: the connecting magnetic sheet (2) is a soft magnetic sheet, an elastic plate (3) is connected between the connecting magnetic sheet (2) and the acoustic emission detection probe (11), and the soft magnetic sheet and the elastic plate (3) can deform.
8. The inspection system of claim 6 applied to in-service pressure vessels, wherein: the second guide rod (9) is sleeved with a return spring (10), the return spring (10) is arranged at the lower end of the guide lantern ring (746), one end of the return spring (10) is fixedly connected with the guide lantern ring (746), and the connecting seat (741) is convenient to reset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111682954.1A CN114354769B (en) | 2021-12-31 | 2021-12-31 | Detection system applied to in-service pressure container |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111682954.1A CN114354769B (en) | 2021-12-31 | 2021-12-31 | Detection system applied to in-service pressure container |
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| Publication Number | Publication Date |
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| CN114354769A CN114354769A (en) | 2022-04-15 |
| CN114354769B true CN114354769B (en) | 2023-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109979619A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | A kind of reactor pressure vessel acoustic emission probe mounting device |
| CN111380959A (en) * | 2020-04-25 | 2020-07-07 | 南京肯纳检测技术有限公司 | High-precision ultrasonic flaw detection equipment and flaw detection method thereof |
| CN112014465A (en) * | 2019-05-28 | 2020-12-01 | 上海鼎声电子科技有限公司 | Ultrasonic detection device and detection method for in-service pipeline or pressure vessel |
| CN214201291U (en) * | 2020-12-18 | 2021-09-14 | 湖北科规检测有限公司 | Ultrasonic detection device for in-service pipeline or pressure vessel |
-
2021
- 2021-12-31 CN CN202111682954.1A patent/CN114354769B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109979619A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | A kind of reactor pressure vessel acoustic emission probe mounting device |
| CN112014465A (en) * | 2019-05-28 | 2020-12-01 | 上海鼎声电子科技有限公司 | Ultrasonic detection device and detection method for in-service pipeline or pressure vessel |
| CN111380959A (en) * | 2020-04-25 | 2020-07-07 | 南京肯纳检测技术有限公司 | High-precision ultrasonic flaw detection equipment and flaw detection method thereof |
| CN214201291U (en) * | 2020-12-18 | 2021-09-14 | 湖北科规检测有限公司 | Ultrasonic detection device for in-service pipeline or pressure vessel |
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| CN114354769A (en) | 2022-04-15 |
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