CN211978758U - Magnetic yoke flaw detector for nondestructive testing of pressure vessel - Google Patents
Magnetic yoke flaw detector for nondestructive testing of pressure vessel Download PDFInfo
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- CN211978758U CN211978758U CN202020726122.XU CN202020726122U CN211978758U CN 211978758 U CN211978758 U CN 211978758U CN 202020726122 U CN202020726122 U CN 202020726122U CN 211978758 U CN211978758 U CN 211978758U
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Abstract
The utility model belongs to the technical field of the technique of yoke appearance of detecting a flaw and specifically relates to a pressure vessel is yoke appearance of detecting a flaw for nondestructive test is related to, it includes the U-shaped casing, the U-shaped casing includes the handle section and connects the probe joint section at handle section both ends respectively, the tip that the handle section was kept away from to the probe joint section is provided with the electromagnetic yoke probe, the mounting groove has been seted up along electromagnetic yoke probe detection direction to the lateral wall of probe joint section, there is magnetic powder liquid spraying mechanism in the probe joint section through the mounting groove joint, the spraying end of magnetic powder liquid spraying mechanism is on a parallel with electromagnetic yoke probe detection direction, the lateral wall of probe joint section is provided with and is used for the cover to establish the housing of electromagnetic yoke probe. The utility model discloses have spraying magnetic powder liquid and magnetic particle inspection integration, avoid operating personnel to make a round trip to change spraying magnetic powder liquid equipment and magnetic particle inspection equipment, improve the effect of magnetic particle inspection detection's efficiency.
Description
Technical Field
The utility model belongs to the technical field of the technique of yoke appearance of detecting a flaw and specifically relates to a pressure vessel is yoke appearance of detecting a flaw for nondestructive test is related to.
Background
At present, magnetic powder inspection is one of five conventional methods for nondestructive testing, and is also a common means for testing defects on the surface or near surface of a ferromagnetic material. The method has high detection sensitivity and simple and reliable process, so the method is widely adopted. The magnetic yoke flaw detector utilizes the interaction of the leakage magnetic field and the magnetic powder at the workpiece defect, utilizes the difference between the magnetic conductivity of the surface and near-surface defects (such as cracks, slag inclusion, hairlines and the like) of the steel product and the magnetic conductivity of the steel, after magnetization, the magnetic field at the discontinuous parts of the materials generates a Kawasaki change to form a leakage magnetic field on the surface of the workpiece at the part of the magnetic flux leakage position, thereby attracting the magnetic powder to form the magnetic powder accumulation at the defect position, showing the defect position and shape under the proper illumination condition, observing and explaining the accumulation of the magnetic powder, and realizing the magnetic powder flaw detection.
Chinese patent with publication number CN205484198U discloses an integral type alternating current-direct current dual-purpose yoke flaw detector, which is characterized in that: the electromagnetic flaw detector comprises a power supply, an n-shaped electromagnetic yoke probe and a control module, wherein the control module is used for converting direct current in a rechargeable battery pack into a pulse signal, the n-shaped electromagnetic yoke probe is composed of an iron core and a group of electromagnetic coils, the control module is arranged on one side of the n-shaped electromagnetic yoke probe, the power supply supplies power to the electromagnetic coils through the control module, a cross beam of the n-shaped electromagnetic yoke probe is used as a handle, and a magnetizing switch for controlling the opening and closing of the magnetic yoke flaw detector is arranged below the handle; the magnetic yoke flaw detector is characterized in that the power supply is a rechargeable battery pack or 220V single-phase alternating current, a direct-current power supply socket is arranged on the magnetic yoke flaw detector, the rechargeable battery pack is arranged on the other side of the n-shaped electromagnetic yoke probe and connected with the direct-current power supply socket, or the 220V single-phase alternating current is connected with the direct-current power supply socket through an alternating-current adapter and supplies power to the electromagnetic coil through the control module, the iron core is an n-shaped iron core, two ends of the n-shaped iron core are respectively connected with a magnetic yoke pin with a movable joint, and the distance between the two magnetic yoke pins is.
The above prior art solutions have the following drawbacks: in the magnetic powder inspection process, an operator is required to carry the magnetic yoke flaw detector and additionally carry magnetic powder liquid spraying equipment, the magnetic powder liquid spraying equipment is held in advance to spray a weld joint, then an electromagnetic yoke probe is attached to the weld joint to be magnetized, magnetic powder is accumulated at the defect, the equipment for spraying the magnetic powder liquid and the electromagnetic yoke flaw detector are used alternately, the trouble is obviously caused, and the detection efficiency is greatly reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a pressure vessel is yoke appearance of detecting a flaw for nondestructive test has spraying magnetic powder liquid and magnetic particle inspection integration, avoids operating personnel to make a round trip to change spraying magnetic powder liquid equipment and magnetic particle inspection equipment, improves the efficiency that magnetic particle inspection detected.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a yoke appearance of detecting a flaw for nondestructive test of pressure vessel, includes the U-shaped casing, the U-shaped casing includes the handle section and connects respectively at the probe joint section both ends, the tip that the handle section was kept away from to the probe joint section is provided with the electromagnetic yoke probe, the mounting groove has been seted up along the electromagnetic yoke probe direction of detection to the lateral wall of probe joint section, the probe joint section has magnetic powder liquid spraying mechanism through the mounting groove joint, the spraying end of magnetic powder liquid spraying mechanism is on a parallel with the electromagnetic yoke probe direction of detection, the lateral wall of probe joint section is provided with and is used for the cover to establish the housing of electromagnetic yoke probe.
Through adopting above-mentioned technical scheme, operating personnel saves magnetic powder liquid to in the magnetic powder liquid spraying mechanism in advance, buckle a pair of electromagnetic yoke probe towards the handle section relatively, then establish the housing cover on the electromagnetic yoke probe, drive magnetic powder liquid spraying mechanism with the magnetic powder liquid injection in waiting to survey the welding seam department, then open the housing and go out the electromagnetic yoke probe, the power of switch-on a pair of electromagnetic yoke probe and carry out the magnetization detection with the both sides of laminating welding seam, through spraying magnetic powder liquid and magnetic particle inspection integration, avoid operating personnel to make a round trip to change spraying magnetic powder liquid spraying mechanism and electromagnetic yoke probe, improve magnetic particle inspection's detection efficiency.
The present invention may be further configured in a preferred embodiment as: the magnetic powder liquid spraying mechanism comprises a clamping seat clamped with the mounting groove and an extrusion spray pipe fixed on the surface of the clamping seat far away from the mounting groove, a spray opening of the extrusion spray pipe faces towards the detection direction of the electromagnetic yoke probe, an extrusion opening is formed in one end, far away from the spray opening, of the extrusion spray pipe, an extrusion piston is arranged in the extrusion spray pipe, and the extrusion piston is connected with a piston rod extending out of the extrusion opening.
Through adopting above-mentioned technical scheme, operating personnel will extrude in the spray tube passes through the cassette card and goes into the mounting groove, with in the leading-in extrusion spray tube of magnetic powder liquid, push down extrusion piston along extrusion spray tube length direction through promoting the piston rod, thereby make the magnetic powder liquid constantly by the jet orifice blowout of extrusion pipe and scribble and attach in welding seam department, be favorable to realizing quick spraying, fill the magnetic powder liquid fast, improve the convenience of magnetic powder spraying, cassette and mounting groove cooperation mounting structure are simple and easy simultaneously, be favorable to fast and stable installation extrusion spray tube.
The present invention may be further configured in a preferred embodiment as: the clamp seat is located the terminal surface of extrusion mouth one end and has seted up the blind hole along extrusion spray tube length direction, the hole bottom wall of blind hole is fixed with the motor, the output of motor is with axle center fixedly connected with spiral shell section of thick bamboo, spiral shell section of thick bamboo threaded connection has flexible screw rod, flexible screw rod stretches out blind hole one end is fixed with the orientation the threaded connection head that the extrusion mouth was buckled, the piston rod is kept away from the end fixing of extrusion piston has the confession threaded connection head threaded connection's connecting block.
Through adopting above-mentioned technical scheme, operating personnel will extrude behind the leading-in magnetic powder liquid in the spray tube, connect threaded connection head soon through the connecting block screw thread with the piston rod, then drive the spiral shell section of thick bamboo through driving motor and rotate, respectively will extrude the leading-in extrusion mouth of piston, the screw thread connects the spiral shell section of thick bamboo soon, when needing to extrude the magnetic powder liquid, continue driving motor and drive the spiral shell section of thick bamboo and rotate, make the continuous motor motion that moves towards of telescopic screw, telescopic screw pulls the piston rod and pushes down extrusion piston simultaneously, thereby make the magnetic powder liquid spout by the jet orifice of extrusion spray tube, be favorable to replacing the quick spraying magnetic powder liquid of manpower, improve the efficiency of spraying magnetic powder liquid.
The present invention may be further configured in a preferred embodiment as: the side wall of the probe joint section, which is positioned on one side of the opening of the blind hole, is oppositely provided with L-shaped limiting blocks, a pair of L-shaped limiting blocks form a limiting chute, and a limiting plate which is used for abutting against the end wall of the clamping seat is connected in the limiting chute in a sliding manner.
Through adopting above-mentioned technical scheme, operating personnel pushes away the limiting plate to the one end of cassette in with the mounting groove back of cassette card income to play limiting displacement to the cassette, improve the installation stability of cassette and extrusion spray tube.
The present invention may be further configured in a preferred embodiment as: the housing is the U-shaped just the U-shaped opening orientation of housing the probe joint section, two relative inside walls of housing U-shaped inner wall are fixed with the sliding block respectively, probe joint section orientation the double-phase dorsal wall of housing inner wall is followed respectively the waist shape spout has been seted up to electromagnetic yoke probe detection direction, the housing slides through a pair of sliding block and connects in the waist shape spout, electromagnetic yoke probe orientation the back is buckled to the handle section, the housing removes to waist shape spout through a pair of sliding block and is close to electromagnetic yoke probe one end and rotates the cover and establish electromagnetic yoke probe.
Through adopting above-mentioned technical scheme, operating personnel twists reverse the electromagnetic yoke probe of buckling when needs spraying magnetic powder liquid, slides the housing along waist shape spout to being close to electromagnetic yoke probe one end, and then relies on the sliding block to rotate towards electromagnetic yoke probe one side to make the housing cover establish on electromagnetic yoke probe, after the spraying is accomplished, rotate once more and open the housing, and move the housing to two lateral walls of probe joint section along waist shape spout, thereby do not produce interference to electromagnetic yoke probe detection process.
The present invention may be further configured in a preferred embodiment as: the side wall of the probe joint section, which is far away from the electromagnetic yoke probe, is provided with a slot, an insertion rod is connected in the slot in a sliding manner, and the side wall of the cover shell, which faces the probe joint section, is provided with a jack for the insertion rod to be inserted into.
Through adopting above-mentioned technical scheme, pass to a pair of probe joint section back of the body both sides along waist shape spout respectively when a pair of housing, aim at the slot with the jack, then insert the position of jack in order to fix the housing with the inserted bar, be favorable to providing fixed effect to the housing, improve the housing and open the back set up stability, avoid the housing drunkenness to play the interference to electromagnetic yoke probe.
The present invention may be further configured in a preferred embodiment as: the cover shell is far away from the lateral wall of probe joint section has all seted up locking groove, one of them locking inslot is pegged graft and is had a U-shaped fixture block, and is a pair of the cover shell cover is established behind the electromagnetic yoke probe, the both ends of U-shaped fixture block are pegged graft simultaneously and are a pair of locking inslot.
By adopting the technical scheme, after the pair of housing covers are arranged on the pair of electromagnetic yoke probes, the U-shaped clamping blocks are inserted into the locking grooves at the opposite ends of the pair of housing, so that the pair of housing is locked in a butt joint mode, the butt joint stability after the housing covers are arranged is improved, the phenomenon that the housing covers and is opened after the electromagnetic yoke probes in a shifting mode is reduced, and the electromagnetic yoke probes are sputtered by magnetic powder liquid in the process of spraying the magnetic powder liquid.
The present invention may be further configured in a preferred embodiment as: the grip section is wrapped with an anti-slip grip pad.
Through adopting above-mentioned technical scheme, the anti-skidding handle is favorable to increasing the frictional force that operating personnel held the handle section, improves operating personnel and holds the stability of handle section.
To sum up, the utility model discloses a following at least one useful technological effect:
1. an operator stores magnetic powder liquid into a magnetic powder liquid spraying mechanism in advance, a pair of electromagnetic yoke probes are bent towards a handle section relatively, then a housing is covered on the electromagnetic yoke probes, the magnetic powder liquid spraying mechanism is driven to spray the magnetic powder liquid at a position of a weld joint to be detected, then the housing is opened and the electromagnetic yoke probes are turned out, a power supply of the pair of electromagnetic yoke probes is switched on for magnetization detection, the magnetic powder liquid spraying mechanism and the electromagnetic yoke probes are prevented from being replaced by the operator back and forth through integration of magnetic powder liquid spraying and magnetic powder flaw detection, and the detection efficiency of magnetic powder flaw detection is improved;
2. an operator pushes the piston rod to press the extrusion piston downwards along the length direction of the extrusion spray pipe, so that the magnetic powder liquid is continuously sprayed out from a spray opening of the extrusion pipe and coated at a welding seam, the quick spraying and the quick filling of the magnetic powder liquid are facilitated, the convenience of magnetic powder spraying is improved, and meanwhile, the matching and mounting structure of the clamping seat and the mounting groove is simple and easy, and the extrusion spray pipe is favorably, quickly and stably mounted;
3. when the magnetic powder liquid is required to be sprayed, an operator twists and bends the electromagnetic yoke probe, slides the housing to one end close to the electromagnetic yoke probe along the waist-shaped sliding groove, then rotates towards one side of the electromagnetic yoke probe by virtue of the sliding block, so that the housing is covered on the electromagnetic yoke probe, and after spraying is finished, the housing is opened by rotation once more, and moves the housing to two outer side walls of the probe joint section along the waist-shaped sliding groove, so that interference is not generated in the detection process of the electromagnetic yoke probe.
Drawings
Fig. 1 is a schematic structural view of the U-shaped housing, the magnetic powder spraying mechanism, and the cover in an open state according to the present embodiment.
Fig. 2 is a partial sectional view for embodying the card holder and its blind hole, motor, screw cylinder, telescopic screw, threaded connector, connecting block, extruding piston and piston rod in this embodiment.
Fig. 3 is a schematic structural diagram of the whole U-shaped housing in the present embodiment, which shows a state where the housing covers the electromagnetic yoke probe.
Fig. 4 is a schematic structural view for embodying the waist-shaped sliding groove, the sliding block, the limiting sliding groove, the L-shaped limiting block and the limiting plate thereof in this embodiment.
Fig. 5 is a partial sectional view of the U-shaped latch, the locking groove, the insertion groove, the pushing groove, the insertion rod and the pushing piece of the present embodiment.
In the figure, 1, a U-shaped shell; 11. a grip section; 12. a probe engagement section; 121. mounting grooves; 122. a kidney-shaped chute; 123. a slot; 124. a pushing groove; 13. an electromagnetic yoke probe; 14. an anti-slip grip pad; 2. a magnetic powder liquid spraying mechanism; 21. a card holder; 211. blind holes; 22. extruding the spray pipe; 221. an extrusion port; 23. a squeeze piston; 24. a piston rod; 241. connecting blocks; 3. a motor; 31. a screw cylinder; 32. a telescopic screw; 33. a threaded connector; 34. a control key; 35. a limiting sleeve; 4. a limiting chute; 41. an L-shaped limiting block; 42. a limiting plate; 5. a housing; 51. a sliding block; 52. a locking groove; 53. a U-shaped clamping block; 54. a jack; 6. inserting a rod; 61. and (7) pushing the sheet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a yoke appearance of detecting a flaw for nondestructive test of pressure vessel, include by the probe joint section 12 integrated into one piece's of handle section 11 and handle section 11 both ends U-shaped casing 1, the 12 bottoms of probe joint section are provided with the electromagnetic yoke probe 13 that can buckle, and the magnetization test mode of electromagnetic yoke probe 13 is prior art, no longer gives details here.
Referring to fig. 1 and 2, the side surface of the two probe joint sections 12, which is joined with the grip section 11 and forms a C-shaped cross section, is provided with a mounting groove 121 in an isosceles trapezoid shape from the top end of the probe joint section 12, the side surface of the probe joint section 12, which is located at the side surface where the mounting groove 121 is formed, is provided with a magnetic powder liquid spraying mechanism 2, the magnetic powder liquid spraying mechanism 2 comprises a clamping seat 21 which is clamped with the mounting groove 121 and an extrusion nozzle 22 which is fixed at the side surface of the clamping seat 21, which is far away from the bottom wall of the groove of the mounting groove 121, the spraying opening of the extrusion nozzle 22 is vertically downward, an extrusion piston 23 which is attached to the inner wall of the extrusion nozzle 22 is arranged in the extrusion nozzle 22, the top end of the extrusion nozzle 22 is provided with an extrusion opening 221, the top surface of the extrusion piston 23 is fixedly connected with a piston rod 24, the output end of the motor 3 is vertically upward and is fixedly connected with a screw cylinder 31 coaxially, the screw cylinder 31 is in threaded connection with a telescopic screw 32, one end, extending out of the blind hole 211, of the telescopic screw 32 is fixedly provided with a threaded connector 33 bent towards the extrusion port 221, the top end of the piston rod 24 is fixedly provided with a connecting block 241 bent towards the threaded connector 33 and provided with a screw hole for screwing the threaded connector 33, and the top surface of the handle section 11 is provided with a control key 34 for driving the motor 3 to rotate and stop; an operator stores magnetic powder liquid into the extrusion spray pipe 22 in advance, the piston rod 24 and the telescopic screw rod 32 are connected through the threaded connector 33 and the connecting block 241 in a rotating mode, the extrusion piston 23 is pushed into the extrusion spray pipe 22, meanwhile, the driving motor 3 drives the screw barrel 31 to rotate, so that the telescopic screw rod 32 is connected into the screw barrel 31 in a rotating mode, the extrusion spray pipe 22 faces to the welding seam of the pressure container to be detected, the driving motor 3 continues to drive the screw barrel 31 to rotate and pull down the telescopic screw rod 32, the piston rod 24 and the extrusion piston 23 continue to press down the extrusion spray pipe 22 to spray the magnetic powder liquid at the welding seam to be detected, a power supply of the pair of electromagnetic yoke probes 13 is connected, magnetization detection is carried out on two sides of the joint welding seam, the magnetic powder liquid and the magnetic powder liquid are sprayed and integrated, the situation that the operator repeatedly sprays the magnetic powder liquid spraying mechanism 2 and the electromagnetic yoke probes 13 is avoided, the detection efficiency of magnetic powder detection, efficiency of spraying magnetic powder liquid is improved, and telescopic screw 32 and piston rod 24 cooperate the use, are favorable to realizing quick spraying, fill magnetic powder liquid fast, improve the convenience of magnetic spraying, and cassette 21 and mounting groove 121 cooperation mounting structure are simple and easy simultaneously, are favorable to quick stable installation extrusion spray tube 22.
Referring to fig. 1, the grip section 11 is wrapped with an anti-slip grip pad 14; the anti-slip grip is beneficial to increasing the friction force of the operator for holding the grip section 11 and improving the stability of the operator for holding the grip section 11.
Referring to fig. 3 and 4, the top walls of the two probe joint sections 12 at the sides of the openings of the two blind holes 211 (refer to fig. 2) that are deviated from each other are respectively and oppositely provided with L-shaped limiting blocks 41, the inner L-shaped surfaces of the pair of L-shaped limiting blocks 41 are oppositely formed with limiting chutes 4, and the limiting chutes 4 are internally connected with limiting plates 42 that abut against the top end walls of the card holders 21 in a sliding manner; after the operator clamped the cassette 21 in the mounting groove 121, the limiting plate 42 was pushed to one end of the cassette 21, so as to limit the cassette 21 and improve the mounting stability of the cassette 21 and the extrusion nozzle 22.
Referring to fig. 2, the opening part joint of blind hole 211 has stop collar 35, and telescopic screw 32 runs through stop collar 35 and stretches out the opening of blind hole 211, and motor 3 drive barrel 31 makes telescopic screw 32 stretch out and draw back in the screw in along vertical direction when, and stop collar 35 restriction telescopic screw 32 strikes blind hole 211 inner wall, provides the spacing effect to telescopic screw 32 in order to protect telescopic screw 32, reduces rocking that telescopic screw 32 removal process produced.
Referring to fig. 3 and 4, the two probe joint sections 12 are provided with a U-shaped housing 5 on opposite side walls, a U-shaped opening of the housing 5 faces the probe joint section 12, two opposite inner side walls of a U-shaped inner wall of the housing 5 are respectively fixed with a sliding block 51, two opposite side walls of the probe joint section 12 facing the inner wall of the housing 5 are respectively provided with a pair of kidney-shaped sliding grooves 122 along the vertical direction, the housing 5 is connected with the kidney-shaped sliding grooves 122 in a sliding manner through the pair of sliding blocks 51, after the electromagnetic yoke probe 13 is bent relatively, the housing 5 moves to the kidney-shaped sliding grooves 122 through the pair of sliding blocks 51 and is close to one end of the electromagnetic yoke probe 13 and rotationally covers; when the operator needs to spray the magnetic powder liquid, the electromagnetic yoke probe 13 is twisted and bent, the housing 5 is slid to a position close to one end of the electromagnetic yoke probe 13 along the kidney-shaped sliding groove 122, and then the housing 5 rotates towards one side of the electromagnetic yoke probe 13 by virtue of the sliding block 51, so that the housing 5 is covered on the electromagnetic yoke probe 13, after the spraying is completed, the housing 5 is rotated again to be opened, and the housing 5 is moved to two outer side walls of the probe joint section 12 along the kidney-shaped sliding groove 122, so that the interference is not generated in the detection process of the electromagnetic yoke probe 13.
Referring to fig. 1 and 5, opposite side walls of the two probe joint sections 12 are oppositely provided with slots 123, the slots 123 are connected with the inserted bar 6 in a sliding manner, the top wall of the probe joint section 12 is transversely provided with a push groove 124, the push groove 124 is communicated with the slots 123, a push piece 61 fixedly connected with the inserted bar 6 extends out of the push groove 124, the side wall of the housing 5 facing the probe joint section 12 is provided with a jack 54, when the housing 5 moves to the opposite side wall of the probe joint section 12, the jack 54 is aligned with the inserted bar 6, and the inserted bar 6 can be inserted into the jack 54 through the push piece 61 and the housing 5 is fixed; the fixing effect on the housing 5 is favorably provided, the stability of the housing 5 after being opened is improved, and the interference of the housing 5 to the electromagnetic yoke probe 13 is avoided.
Referring to fig. 3 and 5, after the pair of housings 5 are covered on the electromagnetic yoke probes 13, the housing walls of the joint portions of the pair of housings 5 are provided with locking grooves 52, and when the pair of housings 5 are covered on the pair of electromagnetic yoke probes 13, both ends of the U-shaped fixture block 53 are simultaneously inserted into the pair of locking grooves 52; the U-shaped fixture blocks 53 are in butt joint with and lock a pair of shells 5, so that the butt joint stability of the shells 5 covered is improved, and the phenomenon that the shells 5 are opened after covering the electromagnetic yoke probes 13 and the magnetic powder liquid sputtering electromagnetic yoke probes 13 are caused in the magnetic powder liquid spraying process is reduced.
The implementation principle of the embodiment is as follows: when the magnetic powder liquid needs to be sprayed, an operator bends the electromagnetic yoke probes 13 relatively, slides the housings 5 downwards along the kidney-shaped sliding groove 122 and is in butt joint with the two housings 5, then presses the control key 34 to control one of the motors 3 to rotate, so that the screw cylinder 31 is driven to pull down the telescopic screw rod 32, the piston rod 24 and the extrusion piston 23 are pressed downwards, the magnetic powder liquid is sprayed to the welding line of the pressure container to be detected, then the pair of housings 5 are opened, and the pair of electromagnetic yoke probes 13 are rotated out to be electrified and detected.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a pressure vessel is yoke defectoscope for nondestructive test, includes U-shaped casing (1), U-shaped casing (1) includes handle section (11) and connects probe joint section (12) at handle section (11) both ends respectively, the tip that handle section (11) were kept away from in probe joint section (12) is provided with electromagnetic yoke probe (13), its characterized in that: the utility model discloses a magnetic powder spraying device, including probe joint section (12), electromagnetism yoke probe (13), mounting groove (121) have been seted up along electromagnetism yoke probe (13) direction of detection to the lateral wall of probe joint section (12), probe joint section (12) have magnetic powder liquid spraying mechanism through mounting groove (121) joint, the spraying end of magnetic powder liquid spraying mechanism (2) is on a parallel with electromagnetism yoke probe (13) direction of detection, the lateral wall of probe joint section (12) is provided with and is used for the cover to establish housing (5) of electromagnetism yoke probe (13).
2. The yoke flaw detector for pressure vessel nondestructive testing according to claim 1, characterized in that: magnetic powder liquid spraying mechanism (2) are including the joint cassette (21) of mounting groove (121) with fix cassette (21) is kept away from extrusion spray tube (22) on the face of mounting groove (121), the jet orifice orientation of extrusion spray tube (22) electromagnetism yoke probe (13) detection direction, just one end that extrusion spray tube (22) kept away from extrusion spray tube (22) jet orifice is opened and is established to extrusion mouth (221), be provided with extrusion piston (23) in extrusion spray tube (22), just extrusion piston (23) are connected with piston rod (24) that stretch out by extrusion mouth (221).
3. The yoke flaw detector for pressure vessel nondestructive inspection according to claim 2, characterized in that: blind hole (211) have been seted up along extrusion spray tube (22) length direction to the terminal surface that cassette (21) are located extrusion mouth (221) one end, the hole bottom wall of blind hole (211) is fixed with motor (3), the output of motor (3) is with axle center fixedly connected with spiral shell section of thick bamboo (31), spiral shell section of thick bamboo (31) threaded connection has telescopic screw (32), telescopic screw (32) stretch out blind hole (211) one end is fixed with the orientation the threaded connection head (33) that extrusion mouth (221) were buckled, piston rod (24) are kept away from the end fixing of extrusion piston (23) has the confession threaded connection head (33) threaded connection's connecting block (241).
4. The yoke flaw detector for pressure vessel nondestructive inspection according to claim 3, characterized in that: the side wall of the probe joint section (12) on one side of the opening of the blind hole (211) is provided with L-shaped limiting blocks (41) oppositely, a limiting sliding groove (4) is formed by the L-shaped limiting blocks (41), and a limiting plate (42) used for abutting against the end wall of the clamping seat (21) is connected in the limiting sliding groove (4) in a sliding mode.
5. The yoke flaw detector for pressure vessel nondestructive testing according to claim 1, characterized in that: housing (5) are the U-shaped just the U-shaped opening orientation of housing (5) probe joint section (12), two relative inside walls of housing (5) U-shaped inner wall are fixed with glide block (51) respectively, probe joint section (12) orientation the double-phase dorsal wall of housing (5) inner wall is followed respectively waist shape spout (122) have been seted up to electromagnetic yoke probe (13) detection direction, housing (5) slide through a pair of glide block (51) and connect in waist shape spout (122), electromagnetic yoke probe (13) orientation handle section (11) back of buckling, housing (5) move to waist shape spout (122) through a pair of glide block (51) and are close to electromagnetic yoke probe (13) one end and rotate the cover and establish electromagnetic yoke probe (13).
6. The yoke flaw detector for pressure vessel nondestructive inspection according to claim 5, characterized in that: the side wall of the probe joint section (12) far away from the electromagnetic yoke probe (13) is provided with a slot (123), the slot (123) is connected with an inserted bar (6) in a sliding manner, and the side wall of the cover shell (5) facing the probe joint section (12) is provided with a jack (54) for inserting the inserted bar (6).
7. The yoke flaw detector for pressure vessel nondestructive inspection according to claim 5, characterized in that: it is a pair of cover casing (5) are kept away from locking groove (52) have all been seted up to the lateral wall of probe joint section (12), one of them locking groove (52) interpolation has connect U-shaped fixture block (53), and is a pair of cover casing (5) cover is established behind electromagnetic yoke probe (13), the both ends of U-shaped fixture block (53) are inserted to a pair of simultaneously in locking groove (52).
8. The yoke flaw detector for pressure vessel nondestructive testing according to claim 1, characterized in that: the grip section (11) is wrapped with an anti-slip grip pad (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020726122.XU CN211978758U (en) | 2020-05-06 | 2020-05-06 | Magnetic yoke flaw detector for nondestructive testing of pressure vessel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020726122.XU CN211978758U (en) | 2020-05-06 | 2020-05-06 | Magnetic yoke flaw detector for nondestructive testing of pressure vessel |
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| Publication Number | Publication Date |
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| CN211978758U true CN211978758U (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020726122.XU Active CN211978758U (en) | 2020-05-06 | 2020-05-06 | Magnetic yoke flaw detector for nondestructive testing of pressure vessel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113655115A (en) * | 2021-07-21 | 2021-11-16 | 大唐东北电力试验研究院有限公司 | Telescopic alternating current magnetic yoke probe device |
| CN116297818A (en) * | 2023-05-17 | 2023-06-23 | 中国核工业二四建设有限公司 | Nondestructive testing method for steel lining wallboard |
-
2020
- 2020-05-06 CN CN202020726122.XU patent/CN211978758U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113655115A (en) * | 2021-07-21 | 2021-11-16 | 大唐东北电力试验研究院有限公司 | Telescopic alternating current magnetic yoke probe device |
| CN116297818A (en) * | 2023-05-17 | 2023-06-23 | 中国核工业二四建设有限公司 | Nondestructive testing method for steel lining wallboard |
| CN116297818B (en) * | 2023-05-17 | 2023-08-04 | 中国核工业二四建设有限公司 | Nondestructive testing method for steel lining wallboard |
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