CN118090902A - Ultrasonic flaw detection equipment for inner wall of valve - Google Patents
Ultrasonic flaw detection equipment for inner wall of valve Download PDFInfo
- Publication number
- CN118090902A CN118090902A CN202410482960.XA CN202410482960A CN118090902A CN 118090902 A CN118090902 A CN 118090902A CN 202410482960 A CN202410482960 A CN 202410482960A CN 118090902 A CN118090902 A CN 118090902A
- Authority
- CN
- China
- Prior art keywords
- valve
- flaw detection
- fixedly connected
- wall
- moving
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 104
- 238000001125 extrusion Methods 0.000 claims description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 239000007822 coupling agent Substances 0.000 claims description 4
- 239000002775 capsule Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 12
- 230000007547 defect Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention relates to valve maintenance equipment, in particular to ultrasonic flaw detection equipment for the inner wall of a valve. The invention aims to provide ultrasonic flaw detection equipment for the inner wall of a valve, which has high automation degree and can realize omnibearing and fine flaw detection. The technical proposal is as follows: ultrasonic flaw detection equipment for valve inner wall, including first vice and link, characterized by: the first movable pair and the connecting frame are provided with an assembling device, a fine adjusting device and a contact device; the number of the first moving pairs is two, connecting frames are fixedly connected to the moving parts of the first moving pairs, and arc-shaped electric sliding rails are arranged at the connecting frames. Through the mode that adopts the cooperation of linear electric slide rail and arc electric slide rail to drive contact device and remove, can make contact device carry out the omnidirectional ultrasonic flaw detection scanning to the valve periphery, degree of automation is high not only, can also carry out the ultrasonic scanning to the valve inner wall omnidirectional.
Description
Technical Field
The invention relates to valve maintenance equipment, in particular to ultrasonic flaw detection equipment for the inner wall of a valve.
Background
In the prior art, a pipeline conveying method is mainly adopted for liquid and gas transportation, pipelines required by the pipeline conveying method have long lengths, valves are arranged at a diversion position and a sectional maintenance position for the safety, the convenience for maintenance and the like of pipeline conveying, and in a pipeline conveying network with large length, the number of the valves is large, so that the valves are very important in the maintenance process of the valves.
In a conveying pipeline, conveying mediums have different influences on pipe walls of different materials of different structures, no matter what conveying mediums are, certain damages are generated on suddenly generated structures, the suddenly generated structures are the connecting positions of the conveying pipeline and the inner wall of the valve, and due to the fact that complex structures exist on inner baffles of the valve, the structures generated by errors such as machining and installation exist between the inner wall of the valve and the conveying pipeline, certain damages are generated on the medium which is in a stable pressure state through the conveying pipeline when the medium passes through the structures, such as long-term flushing of the medium on the inner wall of the valve and the structures, corrosion of the medium on the inner wall of the valve and the structures, impact effect of the medium on the inner wall of the valve and the complex structures of the valve generated by the errors and the like when the medium passes through the inner wall of the valve, and certain damages are generated on the inner wall of the valve due to the fact that the particles of the conveyed medium are not guaranteed, and certain damages are generated on the inner wall of the valve in a high-speed conveying process, so that the inner wall of the valve has the defects of thickness reduction, partial damage, structural damage, change and the texture and the like.
At present, various maintenance modes of the valve, such as detection after disassembly of the valve, handheld ultrasonic detection and the like, are adopted, but the transportation of a medium is influenced by various methods adopted at present, a great amount of time is required for collecting data by adopting the handheld ultrasonic detection mode, a great amount of time is also required for analyzing the data and determining the defect position, and very fine operation of personnel is required when the data are collected during detection, such as slow and fine operation of the handheld flaw detection head by personnel is required to move at the valve in the short wave flaw detection process, so that a certain defect position is very easy to miss.
Therefore, there is a need to develop an ultrasonic flaw detection apparatus for valve inner walls to solve the above-mentioned problems.
Disclosure of Invention
In order to overcome the defects that the prior art has the defects of time and labor waste, incapability of omnibearing and fine flaw detection when the valve is subjected to flaw detection, the technical problem is that: the ultrasonic flaw detection equipment for the valve inner wall has high automation degree and can realize omnibearing and fine flaw detection.
The technical implementation scheme of the invention is as follows: the ultrasonic flaw detection equipment for the inner wall of the valve comprises a first moving pair and a connecting frame, wherein the first moving pair and the connecting frame are provided with an assembling device, a fine adjusting device and a contact device;
The number of the first moving pairs is two, connecting frames are fixedly connected to the moving parts of the first moving pairs, arc-shaped electric sliding rails are arranged at the connecting frames, the moving parts of the arc-shaped electric sliding rails are fixedly connected with the adjacent connecting frames respectively, linear electric sliding rails are fixedly connected between the fixing parts of the two groups of the first moving pairs, and mounting frames are fixedly connected to the moving parts of the linear electric sliding rails;
the detachable assembly device is arranged at the fixing part of the arc-shaped electric sliding rail and is used for installing ultrasonic flaw detection equipment for the inner wall of the valve to the position of the valve and the pipeline of the valve needing flaw detection;
a fine adjustment device is arranged at the mounting frame;
The fine adjustment device is provided with a contact device, the contact device is adjusted by the fine adjustment device to move in position, and the contact device is used for carrying out ultrasonic flaw detection on the inner wall of the valve.
Further, assembly quality includes long screw rod, long screw rod revolve respectively in the mounting both sides of arc electronic slide rail, the concentric department of arc electronic slide rail all is equipped with the semicircle template, the equal fixedly connected with nut in semicircle template both sides, the semicircle template passes through the nut with long screw rod with arc electronic slide rail connects, the semicircle template both sides are open foraminiferous structure, rubber compress tightly the piece has all been placed to semicircle template's trompil structure department.
Further, the fine adjustment device comprises a second moving pair, the second moving pair is fixedly connected to one side of the installation frame, a screw rod pair is fixedly connected to the other side of the installation frame, a moving frame is fixedly connected between a moving part of the second moving pair and a moving part of the screw rod pair, and the contact device is installed at the position of the moving frame.
Further, the contact device comprises a third moving pair, the third moving pair is fixedly connected to the moving frame, an elastic piece is connected to the third moving pair, the elastic piece is a straight spring, a fixing frame is fixedly connected to the moving piece of the third moving pair, and an ultrasonic flaw detection head is fixedly connected to the rear side of the fixing frame.
Further, still include protection component, protection component locates the mount rear side, protection component is used for making there is the space between ultrasonic instrument flaw detection head and the valve periphery, avoid direct contact removal to grind the valve periphery with ultrasonic instrument flaw detection head is in order to protect ultrasonic instrument flaw detection head and valve periphery, two sets of extension frames of mount rear side fixedly connected with, the other tip fixedly connected with universal ball of extension frame.
Further, still include filling device, filling device locates the mount with ultrasonic instrument detects a flaw head department, filling device be used for automatic and even fill couplant in the space department between ultrasonic instrument detects a flaw head and the valve, mount department fixedly connected with multiunit connecting pipe, the connecting pipe is the stereoplasm iron pipe, ultrasonic instrument detects a flaw head periphery fixedly connected with encircles the ring, the connecting pipe stretches into in the surrounding ring, surrounding ring rear side fixedly connected with extrudes the ring, the connecting pipe with be equipped with temporary storage assembly between the mount, temporary storage assembly with the connecting pipe is connected, temporary storage assembly is used for through the connecting pipe to surrounding ring with extrude between the ring and supply couplant, it is equipped with the restriction subassembly to extrude the ring rear side, the restriction subassembly is used for reducing couplant in the extrusion ring overflows speed and overflow volume.
Further, the temporary storage assembly comprises an external pipe valve, the external pipe valve is fixedly connected to the front side of the fixing frame, a shunt pipe valve is fixedly connected between the front sides of the connecting pipes, and a rubber capsule is fixedly connected between the external pipe valve and the shunt pipe valve.
Further, the flow limiting assembly comprises a connecting ring, the connecting ring is fixedly connected to the rear side of the extrusion ring, and dense annular bristles are fixedly connected to the connecting ring.
Furthermore, the size of the semicircular templates is not unique, so that the ultrasonic flaw detection equipment for the inner wall of the valve can be suitable for flaw detection work of valves with different specifications and sizes through the semicircular templates with different sizes.
Further, the structure of extruding the ring is a structure with a guide groove in the interior, so that the surrounding ring and the couplant in the extruding ring can be extruded uniformly through the guide groove structure, and the couplant can be uniformly distributed in a gap between the ultrasonic flaw detection head and the detection valve.
The invention has the beneficial effects that: 1. according to the invention, the contact device is driven to move by adopting the mode that the linear electric sliding rail and the arc-shaped electric sliding rail are matched, so that the contact device can carry out omnibearing ultrasonic flaw detection scanning on the periphery of the valve, the degree of automation is high, the omnibearing ultrasonic scanning can be carried out on the inner wall of the valve, and compared with the traditional hand-held ultrasonic head flaw detection scanning, the manual labor can be liberated, and the structure of the inner wall of the valve can be rapidly and accurately scanned in omnibearing mode.
2. According to the invention, by adopting the mode that the ultrasonic flaw detection head performs thickness scanning on the periphery of the valve, flaw detection scanning can be performed under the condition that the valve is not dismounted and in the medium transportation process, and compared with the traditional mode that the valve is dismounted or medium transportation is blocked in valve detection, the method does not influence medium transportation, and complicated valve dismounting and mounting are not required.
3. According to the invention, the couplant is automatically and uniformly filled in the gap between the ultrasonic flaw detection head and the valve by adopting the filling device, so that the scanning precision is not affected by air between the ultrasonic flaw detection head and the valve, and the couplant can be saved.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic perspective view of a second embodiment of the present invention.
Fig. 3 is a schematic view of a partial perspective structure of the present invention.
Fig. 4 is a schematic view showing a first perspective structure of the mounting frame portion of the present invention.
Fig. 5 is a schematic view showing a second perspective structure of the mounting frame portion of the present invention.
Fig. 6 is a schematic view of a third perspective view of a mounting bracket portion of the present invention.
Fig. 7 is a schematic perspective view of a fine tuning device according to the present invention.
Fig. 8 is a schematic view showing a first perspective structure of a fixing frame portion of the present invention.
Fig. 9 is a schematic view showing a second perspective structure of the fixing frame portion of the present invention.
Fig. 10 is a schematic view showing a third perspective structure of the fixing frame portion of the present invention.
Fig. 11 is a schematic view showing a first perspective structure of the surrounding ring portion of the present invention.
Fig. 12 is a schematic view showing a second perspective structure of the enclosing ring portion of the present invention.
FIG. 13 is a schematic perspective view of an extrusion ring portion of the present invention.
Fig. 14 is a schematic view of an assembled structure of the present invention.
In the reference numerals: 1: first kinematic pair, 2: connecting frame, 3: arc electronic slide rail, 4: linear electric slide rail, 5: mounting bracket, 6: assembly device, 7: fine tuning device, 8: contact means, 61: long screw, 62: semicircle templates, 63: nut, 64: rubber compacting sheet, 71: second kinematic pair, 72: screw pair, 73: moving rack, 81: third kinematic pair, 82: elastic member, 83: mount, 84: ultrasonic flaw detection head, 9: protection component, 91: extension frame, 92: universal ball, 10: filling device, 101: connecting pipe, 102: surrounding ring, 103: extrusion ring, 11: temporary storage assembly, 12: flow restricting assembly, 111: external pipe valve, 112: shunt valve, 113: rubber capsule, 121: connection ring, 122: dense ring bristles.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings.
Example 1
As shown in fig. 1-6 and 14, an ultrasonic flaw detection device for an inner wall of a valve comprises a first moving pair 1, a connecting frame 2, an arc-shaped electric sliding rail 3, a linear electric sliding rail 4, a mounting frame 5, an assembling device 6, a fine adjustment device 7 and a contact device 8, wherein the number of the first moving pair 1 is two, the connecting frame 2 is fixedly connected with the moving part of the first moving pair 1, the arc-shaped electric sliding rail 3 is respectively and fixedly connected with the connecting frame 2, the two groups of the fixing parts of the first moving pair 1 are fixedly connected with the linear electric sliding rail 4, the mounting frame 5 is fixedly connected with the moving part of the linear electric sliding rail 4, the fixing part of the arc-shaped electric sliding rail 3 is provided with the detachable assembling device 6, the assembling device 6 is used for installing the valve for ultrasonic flaw detection of the inner wall of the valve to the valve and the pipeline position of the valve, the fine adjustment device 7 is arranged at the mounting frame 5, the contact device 8 is arranged at the position of the fine adjustment device, and the contact device 8 is used for detecting the position of the valve.
When the inner wall of a valve is required to be detected for a transportation pipeline for transporting a certain medium so as to ensure the safety of the transported medium at the valve, the inner wall of the valve can be subjected to ultrasonic flaw detection or imaging by using ultrasonic flaw detection equipment so as to enable maintenance personnel to know whether the inner wall of the valve is damaged after the medium flows and is impacted; when the ultrasonic flaw detection device for the inner wall of the valve is used, the assembling device 6 can be arranged on the periphery of a pipeline connected with the valve to be detected and fixed, then a control pipeline of the ultrasonic flaw detection device for the inner wall of the valve is connected to the outside, the contact device 8 is contacted with the periphery of the valve through the fine adjustment device 7, and then a couplant is filled between the contact device 8 and the valve through the couplant outside the valve Zhou Tuma; at this time, the linear electric sliding rail 4 and the contact device 8 can be started, so that the moving part of the linear electric sliding rail 4 drives the mounting frame 5 to slowly move, the mounting frame 5 drives the contact device 8 to horizontally move at the periphery of the valve, the contact device 8 sends out ultrasonic waves to carry out echo scanning on the structure of the inner wall of the valve, and accordingly data of the structure of the inner wall of the valve are generated, maintenance personnel can determine the structure of the inner wall of the valve through the echo data, and accordingly the maintenance personnel can judge whether the inner wall of the valve has a damaged structure or not; when the contact device 8 moves from one side of the valve to the other side of the valve, the arc-shaped electric sliding rail 3 can be controlled to operate, so that the arc-shaped electric sliding rail 3 drives a moving part of the arc-shaped electric sliding rail to rotate, and the arc-shaped electric sliding rail 3 drives the connecting frame 2 and the first moving pair 1 to rotate, so that the linear electric sliding rail 4 and the contact device 8 rotate, the contact device 8 rotates around the center of the valve center, the contact device 8 reaches the position of the next angle of the periphery of the valve, and then the linear electric sliding rail 4 is controlled to operate again, so that the contact device 8 can perform ultrasonic flaw detection scanning on the position once; when the moving part of the arc-shaped electric sliding rail 3 rotates 180 degrees, the contact device 8 also completes flaw detection scanning on one side of the valve, at the moment, the assembly device 6 can be disassembled, and the assembly device 6 is arranged on the other side of the connecting pipe 101 of the valve, so that the contact device 8 can perform flaw detection scanning on the other side of the valve, and the steps are repeated to perform flaw detection scanning on the inner wall of the valve; the linear electric sliding rail 4 drives the contact device 8 to horizontally move, and the arc-shaped electric sliding rail 3 drives the contact device 8 to rotate at a small angle, so that the contact device 8 can carry out omnibearing ultrasonic flaw detection scanning on the periphery of the valve, the degree of automation is high, the omnibearing ultrasonic scanning can be carried out on the inner wall of the valve, and compared with the traditional handheld ultrasonic head flaw detection scanning, the structure of the inner wall of the valve can be liberated, and the structure of the valve can be rapidly and accurately scanned in omnibearing mode; after the ultrasonic scanning is completed on the valve in the steps, the structure of the inner wall of the valve can be determined by analyzing and imaging ultrasonic echo data; after the analysis of the structural data of the inner wall of the valve is completed, whether the valve is replaced or not can be determined according to the damage condition of the inner wall of the valve; the assembly device 6 can then be disassembled for inspection of the inner wall of the next valve.
Example two
As shown in fig. 2, the assembling device 6 includes a long screw 61, a semicircular template 62, a nut 63 and a rubber compressing piece 64, the long screw 61 is respectively screwed on two sides of a fixing piece of the arc-shaped electric sliding rail 3, the semicircular template 62 is arranged at the concentric position of the arc-shaped electric sliding rail 3, the nuts 63 are fixedly connected to two sides of the semicircular template 62, the semicircular template 62 is connected with the arc-shaped electric sliding rail 3 through the nuts 63 and the long screw 61, two sides of the semicircular template 62 are provided with a perforated structure, and the rubber compressing piece 64 is arranged at the perforated structure of the semicircular template 62.
When the assembling device 6 is installed, the semicircular template 62 can be sleeved on one side of a pipeline connected with the valve to be detected, then the long screw 61 is screwed into the corresponding nut 63 respectively, the long screw 61 is rotated to enable the rubber pressing piece 64 to be closely attached to the pipeline connected with the valve, so that the semicircular template 62 is fixed on one side of the pipeline connected with the valve, and at the moment, the semicircular template 62 is also fixed on the arc-shaped electric sliding rail 3 through the long screw 61; at the moment, the contact device 8 can be started to carry out flaw detection scanning on the valve; after the flaw detection scanning is completed on one side of the valve, the long screw 61 can be used for disassembling the semicircular template 62, and the semicircular template 62 is sleeved on the other side of the connecting pipe 101 connected with the valve, so that the contact device 8 can perform the flaw detection scanning on the other side of the valve.
As shown in fig. 5-7, the fine adjustment device 7 includes a second moving pair 71, a screw pair 72 and a moving frame 73, the second moving pair 71 is fixedly connected to one side of the mounting frame 5, the screw pair 72 is fixedly connected to the other side of the mounting frame 5, the moving member of the second moving pair 71 and the moving member of the screw pair 72 are fixedly connected to the moving frame 73, and the contact device 8 is mounted at the moving frame 73.
After the assembly device 6 is installed, the screw pair 72 may be rotated, so that the moving parts of the screw pair 72 and the second moving pair 71 drive the moving frame 73 to move, and the moving frame 73 drives the contact device 8 to move back and forth, so that the contact device 8 can contact the periphery of the valve.
As shown in fig. 5-12, the contact device 8 includes a third moving pair 81, an elastic member 82, a fixing frame 83 and an ultrasonic flaw detection head 84, the third moving pair 81 is fixedly connected to the moving frame 73, the elastic member 82 is connected to the third moving pair 81, the elastic member 82 is a straight spring, the fixing frame 83 is fixedly connected to the moving member of the third moving pair 81, and the ultrasonic flaw detection head 84 is fixedly connected to the rear side of the fixing frame 83.
After the assembly device 6 is installed, the pipeline of the ultrasonic flaw detection head 84 can be connected with an external computer; when the fine adjustment device 7 is operated, the ultrasonic flaw detection head 84 can be contacted with the periphery of the valve, and the fine adjustment device 7 is continuously operated, so that the third moving pair 81 is relatively moved, and the elastic member 82 is in a stressed state, and therefore the moving member of the third moving pair 81, the fixing frame 83 and the ultrasonic flaw detection head 84 can be closely attached to the periphery of the valve under the action of the elastic member 82; after the ultrasonic flaw detection head 84 is started, the ultrasonic flaw detection head 84 emits ultrasonic waves to the valve, the emitted ultrasonic waves are transmitted in the valve, when the damage caused by the flowing and impact actions of a transportation medium exists on the inner wall of the valve or not needs to be detected, data can be collected on an echo peak line with standard thickness of the valve according to the emitted ultrasonic waves, if the echo peak line is inconsistent with the standard thickness, the condition that the thickness of the inner wall of the valve is reduced is indicated, and direct imaging can be carried out through an external computer according to the data of the echo peak line; when the valve is required to be detected whether damage is generated due to corrosion of a transportation medium or not, whether a defect structure exists in the valve can be detected, namely whether the valve is in an uneven texture due to corrosion or not can be detected, and tomography can be performed through an external computer according to the transmitted ultrasonic echo data; in addition, parameters such as frequency, wavelength and the like of the ultrasonic flaw detection head 84 can be adjusted to scan the valve, the overall thickness of the valve can be rapidly scanned by emitting long waves, and small defects can be scanned by emitting short waves so as to accurately position and analyze the defect positions; by means of the thickness scanning mode of the ultrasonic flaw detection head 84 on the periphery of the valve, flaw detection scanning can be performed under the condition that the valve is not dismounted and in the medium transportation process, medium transportation is not affected, and complicated dismounting and mounting of the valve are not needed.
Example III
As shown in fig. 7-10, the ultrasonic flaw detection device further comprises a protection component 9, the protection component 9 comprises an extension frame 91 and a universal ball 92, the protection component 9 is arranged on the rear side of the fixing frame 83, the protection component 9 is used for enabling a gap to exist between the ultrasonic flaw detection head 84 and the periphery of the valve, so that the periphery of the valve and the ultrasonic flaw detection head 84 are prevented from being damaged by direct contact movement, the ultrasonic flaw detection head 84 and the periphery of the valve are protected, two groups of extension frames 91 are fixedly connected to the rear side of the fixing frame 83, and the universal ball 92 is fixedly connected to the other end part of the extension frame 91.
When the contact device 8 moves forwards and backwards, the universal ball 92 is contacted with the periphery of the valve, when the contact device 8 moves, the universal ball 92 rolls on the periphery of the valve, so that the periphery of the valve and the ultrasonic flaw detection head 84 are prevented from being damaged by grinding, and the ultrasonic flaw detection head 84 and the periphery of the valve are filled by smeared couplant.
As shown in fig. 8-13, the filling device 10 further comprises a filling device 10, the filling device 10 comprises a connecting pipe 101, a surrounding ring 102, an extrusion ring 103, a temporary storage component 11 and a current limiting component 12, the filling device 10 is arranged at the positions of the fixing frame 83 and the ultrasonic flaw detection head 84, the filling device 10 is used for automatically and uniformly filling a couplant at the gap between the ultrasonic flaw detection head 84 and a valve, a plurality of groups of connecting pipes 101 are fixedly connected at the positions of the fixing frame 83, the connecting pipe 101 is a hard iron pipe, the surrounding ring 102 is fixedly connected with the periphery of the ultrasonic flaw detection head 84, the connecting pipe 101 stretches into the surrounding ring 102, the extrusion ring 103 is fixedly connected with the rear side of the surrounding ring 102, the temporary storage component 11 is arranged between the connecting pipe 101 and the fixing frame 83, the temporary storage component 11 is connected with the connecting pipe 101, the temporary storage component 11 is used for supplying the couplant between the surrounding ring 102 and the extrusion ring 103 through the connecting pipe 101, the current limiting component 12 is arranged at the rear side of the extrusion ring 103, and the current limiting component 12 is used for reducing the extrusion coupling agent speed and overflow quantity in the ring 103.
When the assembling device 6 and the contact device 8 are in place, the flow limiting assembly 12 is also in contact with the periphery of the valve, the flow limiting assembly 12 is used for separating the space between the outside and the periphery of the valve and the extrusion ring 103, at the moment, the couplant is injected into the temporary storage assembly 11, so that the temporary storage assembly 11 stores the couplant and generates discharge pressure discharged outwards, after the ultrasonic flaw detection head 84 is started, a passage between the temporary storage assembly 11 and the connecting pipe 101 is opened, the couplant in the rubber bag 113 is injected into the surrounding ring 102 and the extrusion ring 103 through the connecting pipe 101, the couplant is distributed in the space between the ultrasonic flaw detection head 84 and the periphery of the valve and the flow limiting assembly 12 through the extrusion ring 103, the gap between the ultrasonic flaw detection head 84 and the periphery of the valve is full of the couplant, the influence on the ultrasonic scanning accuracy is avoided, and the ultrasonic flaw detection head 84 is slowed down in the process of the output of the temporary storage assembly 11 in the moving process, the coupling head 12 is used for slowing down the coupling agent between the coupling head and the periphery of the ultrasonic flaw detection head 84 and the periphery of the valve, and the ultrasonic flaw detection head 11 is fully arranged in the space between the coupling head and the periphery of the valve and the coupling ring 11, and the coupling agent is fully arranged in the space between the periphery of the ultrasonic flaw detection head and the coupling head 11 and the periphery of the coupling ring and the coupling ring is fully ensured.
As shown in fig. 8-9, the temporary storage assembly 11 includes an external pipe valve 111, a shunt pipe valve 112 and a rubber bag 113, the external pipe valve 111 is fixedly connected to the front side of the fixing frame 83, the shunt pipe valve 112 is fixedly connected between the front sides of the connecting pipes 101, and the rubber bag 113 is fixedly connected between the external pipe valve 111 and the shunt pipe valve 112.
Injecting a couplant into the rubber bag 113 through the external pipe valve 111, expanding the couplant stored in the rubber bag 113 and generating discharge pressure for discharging outwards, and then closing the external pipe valve 111; upon activation of the ultrasonic inspection head 84, the shunt valve 112 may be opened, at which time the couplant within the rubber bladder 113 is injected into the enclosing ring 102 and the extrusion ring 103 through the connecting tube 101.
As shown in fig. 9, the flow limiting assembly 12 includes a connecting ring 121 and dense ring-shaped bristles 122, the connecting ring 121 is fixedly connected to the rear side of the extrusion ring 103, and the dense ring-shaped bristles 122 are fixedly connected to the connecting ring 121.
When the assembling means 6 and the contacting means 8 are in place, the dense ring-shaped bristles 122 will also contact the valve peripheral position, and when the rubber bag 113 discharges the couplant in the extruding ring 103, the dense ring-shaped bristles 122 will slow down the outward discharge speed and discharge amount of the couplant, so as to save the couplant.
As shown in fig. 1-2, the size of the semicircular templates 62 is not unique, so that the ultrasonic flaw detection equipment for the inner wall of the valve can be suitable for flaw detection of valves with different specifications and sizes through the semicircular templates 62 with different sizes.
As shown in fig. 13, the extruding ring 103 has a structure with a guiding groove inside, so that the couplant in the surrounding ring 102 and the extruding ring 103 can be extruded uniformly through the guiding groove structure, and the couplant can be distributed uniformly in the gap between the ultrasonic flaw detection head 84 and the detection valve.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.
Claims (10)
1. The utility model provides an ultrasonic flaw detection equipment for valve inner wall, includes first vice (1) and link (2), characterized by: the first movable pair (1) and the connecting frame (2) are provided with an assembling device (6), a fine adjusting device (7) and a contact device (8);
The number of the first moving pairs (1) is two, connecting frames (2) are fixedly connected to the moving parts of the first moving pairs (1), arc-shaped electric sliding rails (3) are arranged at the connecting frames (2), the moving parts of the arc-shaped electric sliding rails (3) are fixedly connected with the adjacent connecting frames (2) respectively, linear electric sliding rails (4) are fixedly connected between the fixing parts of the two groups of the first moving pairs (1), and mounting frames (5) are fixedly connected to the moving parts of the linear electric sliding rails (4);
A detachable assembly device (6) is arranged at the fixing part of the arc-shaped electric sliding rail (3), and the assembly device (6) is used for installing ultrasonic flaw detection equipment for the inner wall of the valve to the valve and the pipeline of the valve for flaw detection;
A fine adjustment device (7) is arranged at the mounting frame (5);
The micro-adjusting device (7) is provided with a contact device (8), the contact device (8) is adjusted by the micro-adjusting device (7) to move in position, and the contact device (8) is used for carrying out ultrasonic flaw detection on the inner wall of the valve.
2. An ultrasonic flaw detection apparatus for an inner wall of a valve as claimed in claim 1, wherein: the assembly device (6) comprises a long screw (61), the long screw (61) is respectively screwed on two sides of a fixing piece of the arc-shaped electric sliding rail (3), semicircular templates (62) are arranged at concentric positions of the arc-shaped electric sliding rail (3), nuts (63) are fixedly connected to two sides of each semicircular template (62), the semicircular templates (62) are connected with the arc-shaped electric sliding rail (3) through the nuts (63) and the long screw (61), two sides of each semicircular template (62) are provided with a perforated structure, and rubber pressing pieces (64) are respectively placed at open hole structures of the semicircular templates (62).
3. An ultrasonic flaw detection apparatus for an inner wall of a valve as claimed in claim 2, characterized in that: the fine adjustment device (7) comprises a second moving pair (71), the second moving pair (71) is fixedly connected to one side of the installation frame (5), a screw pair (72) is fixedly connected to the other side of the installation frame (5), a moving frame (73) is fixedly connected between a moving part of the second moving pair (71) and a moving part of the screw pair (72), and the contact device (8) is installed at the position of the moving frame (73).
4. An ultrasonic flaw detection apparatus for an inner wall of a valve as claimed in claim 3, wherein: the contact device (8) comprises a third moving pair (81), the third moving pair (81) is fixedly connected to the moving frame (73), an elastic piece (82) is connected to the third moving pair (81), the elastic piece (82) is a straight spring, a fixing frame (83) is fixedly connected to the moving piece of the third moving pair (81), and an ultrasonic flaw detector head (84) is fixedly connected to the rear side of the fixing frame (83).
5. An ultrasonic flaw detection apparatus for an inner wall of a valve as defined in claim 4, wherein: still include protection component (9), protection component (9) are located mount (83) rear side, protection component (9) are used for making there is the space between ultrasonic instrument flaw detection head (84) and the valve periphery, avoid direct contact removal to fray the valve periphery with ultrasonic instrument flaw detection head (84), in order to protect ultrasonic instrument flaw detection head (84) and valve periphery, two sets of extension frame (91) of fixedly connected with of mount (83) rear side, extension frame (91) other end fixedly connected with universal ball (92).
6. An ultrasonic flaw detection apparatus for an inner wall of a valve as defined in claim 5, wherein: still include filling device (10), filling device (10) are located mount (83) with ultrasonic meter detects a flaw head (84) department, filling device (10) be used for automatic and even fill couplant in the space department between ultrasonic meter detects a flaw head (84) and the valve, mount (83) department fixedly connected with multiunit connecting pipe (101), connecting pipe (101) are the stereoplasm iron pipe, ultrasonic meter detects a flaw head (84) periphery fixedly connected with and surrounds ring (102), connecting pipe (101) stretch into in surrounding ring (102), surrounding ring (102) rear side fixedly connected with extrudes ring (103), connecting pipe (101) with be equipped with temporary storage subassembly (11) between mount (83), temporary storage subassembly (11) with connecting pipe (101) are connected, temporary storage subassembly (11) are used for through connecting pipe (101) to surrounding ring (102) with extrude between ring (103) and supply couplant, extrude ring (103) rear side and be equipped with current limiting subassembly (12) for reducing overflow rate in the overflow rate of coupling agent.
7. An ultrasonic flaw detection apparatus for an inner wall of a valve as defined in claim 6, wherein: the temporary storage assembly (11) comprises an external pipe valve (111), the external pipe valve (111) is fixedly connected to the front side of the fixing frame (83), a shunt pipe valve (112) is fixedly connected between the front sides of the connecting pipes (101), and a rubber capsule (113) is fixedly connected between the external pipe valve (111) and the shunt pipe valve (112).
8. An ultrasonic flaw detection apparatus for an inner wall of a valve as claimed in claim 7, wherein: the flow limiting assembly (12) comprises a connecting ring (121), the connecting ring (121) is fixedly connected to the rear side of the extrusion ring (103), and dense annular bristles (122) are fixedly connected to the connecting ring (121).
9. An ultrasonic flaw detection apparatus for an inner wall of a valve as claimed in claim 8, wherein: the sizes of the semicircular templates (62) are not unique, so that the ultrasonic flaw detection equipment for the inner wall of the valve can be suitable for flaw detection work of valves with different specifications and sizes through the semicircular templates (62) with different sizes.
10. An ultrasonic flaw detection apparatus for an inner wall of a valve as claimed in claim 9, wherein: the structure of the extrusion ring (103) is a structure with a guide groove inside, so that the couplant in the surrounding ring (102) and the extrusion ring (103) can be extruded uniformly through the guide groove structure, and the couplant can be uniformly distributed in a gap between the ultrasonic flaw detection head (84) and the detection valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410482960.XA CN118090902A (en) | 2024-04-22 | 2024-04-22 | Ultrasonic flaw detection equipment for inner wall of valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410482960.XA CN118090902A (en) | 2024-04-22 | 2024-04-22 | Ultrasonic flaw detection equipment for inner wall of valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118090902A true CN118090902A (en) | 2024-05-28 |
Family
ID=91161938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410482960.XA Pending CN118090902A (en) | 2024-04-22 | 2024-04-22 | Ultrasonic flaw detection equipment for inner wall of valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118090902A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2036321A (en) * | 1978-11-07 | 1980-06-25 | Steel Castings Res | Ultrasonic flaw detection |
| JP2004144561A (en) * | 2002-10-23 | 2004-05-20 | Mitsubishi Heavy Ind Ltd | Ultrasonic flaw detection head |
| JP2007187593A (en) * | 2006-01-16 | 2007-07-26 | Hitachi Ltd | Inspection device for piping and inspection method for piping |
| CN208399440U (en) * | 2018-06-26 | 2019-01-18 | 昆山盈思格物无损检测科技有限公司 | A kind of supersonic detector with U-shaped combined apparatus |
| CN112461928A (en) * | 2020-11-17 | 2021-03-09 | 广州多浦乐电子科技股份有限公司 | Automatic detection device for ultrasonic phased array on surface of workpiece |
| CN113092582A (en) * | 2021-03-19 | 2021-07-09 | 河南黄科工程技术检测有限公司 | Nondestructive testing device and method for steel structure |
| CN214473023U (en) * | 2021-03-31 | 2021-10-22 | 广东汕头超声电子股份有限公司 | Wear-resistant probe |
| CN215574849U (en) * | 2021-09-03 | 2022-01-18 | 瑞兴金属科技(连云港)有限公司 | Flaw detection device for stainless steel pipe welding position |
| CN114994180A (en) * | 2022-06-17 | 2022-09-02 | 中国特种设备检测研究院 | Phased array scanning frame power auxiliary device |
| CN115753976A (en) * | 2022-08-23 | 2023-03-07 | 江苏江南检测有限公司 | Ultrasonic phased array detection device and method for thin-wall austenitic stainless steel pipe butt joint |
| CN218995247U (en) * | 2022-10-24 | 2023-05-09 | 江苏融庆科技有限公司 | Ultrasonic detection probe for industrial flaw detection |
| CN219266186U (en) * | 2022-12-25 | 2023-06-27 | 南京金陵检测工程有限公司 | Annular detection tool for pipeline detection |
-
2024
- 2024-04-22 CN CN202410482960.XA patent/CN118090902A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2036321A (en) * | 1978-11-07 | 1980-06-25 | Steel Castings Res | Ultrasonic flaw detection |
| JP2004144561A (en) * | 2002-10-23 | 2004-05-20 | Mitsubishi Heavy Ind Ltd | Ultrasonic flaw detection head |
| JP2007187593A (en) * | 2006-01-16 | 2007-07-26 | Hitachi Ltd | Inspection device for piping and inspection method for piping |
| CN208399440U (en) * | 2018-06-26 | 2019-01-18 | 昆山盈思格物无损检测科技有限公司 | A kind of supersonic detector with U-shaped combined apparatus |
| CN112461928A (en) * | 2020-11-17 | 2021-03-09 | 广州多浦乐电子科技股份有限公司 | Automatic detection device for ultrasonic phased array on surface of workpiece |
| CN113092582A (en) * | 2021-03-19 | 2021-07-09 | 河南黄科工程技术检测有限公司 | Nondestructive testing device and method for steel structure |
| CN214473023U (en) * | 2021-03-31 | 2021-10-22 | 广东汕头超声电子股份有限公司 | Wear-resistant probe |
| CN215574849U (en) * | 2021-09-03 | 2022-01-18 | 瑞兴金属科技(连云港)有限公司 | Flaw detection device for stainless steel pipe welding position |
| CN114994180A (en) * | 2022-06-17 | 2022-09-02 | 中国特种设备检测研究院 | Phased array scanning frame power auxiliary device |
| CN115753976A (en) * | 2022-08-23 | 2023-03-07 | 江苏江南检测有限公司 | Ultrasonic phased array detection device and method for thin-wall austenitic stainless steel pipe butt joint |
| CN218995247U (en) * | 2022-10-24 | 2023-05-09 | 江苏融庆科技有限公司 | Ultrasonic detection probe for industrial flaw detection |
| CN219266186U (en) * | 2022-12-25 | 2023-06-27 | 南京金陵检测工程有限公司 | Annular detection tool for pipeline detection |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105891335A (en) | Adjustable phased array pipeline girth weld detection device | |
| CN102788848B (en) | Probe mechanism of oil and gas pipeline crack detector | |
| EP1634012A1 (en) | Ultrasonic testing of pipe | |
| CN214201285U (en) | Ultrasonic detection device for metal bars | |
| CN118090902A (en) | Ultrasonic flaw detection equipment for inner wall of valve | |
| CN116087321A (en) | Pressure pipeline detection equipment | |
| CN117300999B (en) | Alloy pipe thickness detection device | |
| CN112213099B (en) | Partial rotary valve gear box fault detection device and method | |
| CN110849969B (en) | Scanning device for detecting GIS shell circumferential weld on site | |
| CN209086210U (en) | A kind of steel pipe defectoscope | |
| CN111007144B (en) | Ultrasonic detection method of aluminum sleeve | |
| CN106970152A (en) | Carbide drill Welding quality test device | |
| CN115095736B (en) | In-pipeline detection method | |
| CN207114560U (en) | A kind of defectoscope for bar automatic flaw detection apparatus | |
| CN216386875U (en) | Eddy current flaw detector for monitoring tube bundle corrosion | |
| KR101908598B1 (en) | Auxiliary apparatus for non-destructive internal rotary inspection system provided with magnetic attachable structure | |
| CN209350300U (en) | Plastic bellow cutting machine | |
| CN112342992A (en) | Double-rail type rail nondestructive testing ultrasonic flaw detector | |
| CN208060709U (en) | Sonigauge | |
| CN219162138U (en) | Flaw detection device for automatic feeding detection | |
| CN111337570B (en) | Ultrasonic flaw detection system for nuclear-grade stainless steel outer sleeve and flaw detection method thereof | |
| CN219965681U (en) | Detection device and detection equipment | |
| CN219263563U (en) | Water-proof pipe pipeline detecting system | |
| CN205720111U (en) | A kind of adjustable bidirectional probe apparatus for single channel ultrasonic wave defectoscope | |
| CN211235662U (en) | Scanning device for detecting GIS shell annular welding seam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |