CN217786985U - Three-phase full-wave AC/DC fluorescent magnetic powder flaw detector for pipe - Google Patents
Three-phase full-wave AC/DC fluorescent magnetic powder flaw detector for pipe Download PDFInfo
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- CN217786985U CN217786985U CN202221703615.7U CN202221703615U CN217786985U CN 217786985 U CN217786985 U CN 217786985U CN 202221703615 U CN202221703615 U CN 202221703615U CN 217786985 U CN217786985 U CN 217786985U
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Abstract
The utility model relates to a magnetic particle inspection technical field, concretely relates to three-phase full wave AC/DC fluorescence magnetic particle inspection machine for pipe. The device comprises a lathe bed, a fixed electrode box body, a movable electrode box body, a circumferential magnetization mechanism, a movable coil mechanism and an adjustable supporting mechanism, wherein the power supply comprises an alternating current power supply and a three-phase full-wave rectification power supply, the circumferential magnetization mechanism comprises an electrode shaft, an electrode chuck is installed at the extending end of the electrode shaft, a copper woven net is installed on the electrode chuck, the periphery of the copper woven net is fixed through an insulating fixing ring, and a small electrode and an adjustable V-shaped block are further installed on the electrode chuck. The utility model discloses pipe fitting and electrode holder adopt the multiple spot contact, and pipe fitting tip magnetization effect is better to alternating current power supply and three-phase full wave rectification power can realize circumference direct current magnetization, circumference alternating current magnetization, vertical direct current magnetization, vertical alternating current magnetization respectively, can realize the pipe fitting surface and deep flaw detection, and the effect of detecting a flaw is very good.
Description
Technical Field
The utility model relates to a magnetic particle inspection technical field, concretely relates to three-phase full wave AC/DC fluorescence magnetic particle inspection machine for pipe.
Background
The magnetic powder inspection uses the interaction between the leakage magnetic field and the magnetic powder at the defect position of the workpiece, and it uses the difference between the magnetic conductivity of the surface and near surface defects (such as crack, slag inclusion, hairline, etc.) of the steel product and the magnetic conductivity of the steel product, after magnetization, the magnetic field at the discontinuous position of these materials will be distorted, and the leakage magnetic field is generated on the surface of the workpiece at the part where the magnetic flux leaks, so as to attract the magnetic powder to form the magnetic powder accumulation-magnetic mark at the defect position, and under the proper illumination condition, the defect position and shape are shown, and the accumulation of these magnetic powders is observed and explained, so that the magnetic powder inspection is realized.
The AC flaw detection has a skin effect and has higher sensitivity to cracks on the surface and near the surface; the direct current flaw detection crack depth is deep. The existing tubular parts generally adopt alternating current flaw detection or direct current flaw detection, the flaw detection method is single, and a magnetic powder flaw detector for detecting the flaw of the large-sized pipe fitting is lacked in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem be: the prior art lacks a magnetic particle flaw detector for detecting the flaw of a large pipe fitting, and provides a three-phase full-wave AC/DC fluorescent magnetic particle flaw detector for a pipe.
The utility model is realized by the following technical scheme, a three-phase full wave AC/DC fluorescent magnetic particle flaw detector for pipes, which comprises a lathe bed, a fixed electrode box body fixed at one end of the lathe bed, a movable electrode box body arranged at the other end of the lathe bed in a sliding way, a first driving mechanism for driving the movable electrode box body to move, a circumferential magnetization mechanism arranged on the fixed electrode box body and the movable electrode box body, a second driving mechanism for driving the circumferential magnetization mechanism to stretch out, a third driving mechanism for driving the circumferential magnetization mechanism to rotate synchronously, a plurality of moving coil mechanisms and adjustable supporting mechanisms which are arranged on the lathe bed in a sliding way, a magnetic suspension spraying mechanism, a fluorescent lamp, a power supply and an operating panel; the power supply comprises an alternating current power supply and a three-phase full-wave rectification power supply, the circumferential magnetization mechanism comprises an electrode shaft which rotates freely and is arranged on the fixed electrode box body or the movable electrode box body in a sliding mode, an electrode chuck is arranged at the extending end of the electrode shaft, a copper woven net is arranged on the electrode chuck, the periphery of the copper woven net is fixed through an insulating fixing ring, and a small electrode and an adjustable V-shaped block are further arranged on the electrode chuck.
In this scheme, the pipe fitting is placed on adjustable supporting mechanism, adjustable supporting mechanism adjusts the pipe fitting height, make the centre of rotation of pipe fitting be a little higher than the centre of rotation of electrode holder, then pipe fitting one end is placed on the V-arrangement piece on the electrode holder of fixed electrode box department, then first actuating mechanism drive removal electrode box, make the V-arrangement piece on the electrode holder of this box be located the below of pipe fitting terminal surface, then adjustable supporting mechanism descends, make the pipe fitting just fall on the V-arrangement piece, then second actuating mechanism drive electrode holder stretches out forward, two electrode holders press from both sides the pipe fitting tightly, if the electrode holder is the plane, probably pipe fitting and electrode holder take place line contact or single point contact, but the utility model discloses a copper woven mesh on the electrode holder can form the multiple spot contact with the pipe fitting, ensures that pipe fitting tip department current distributes evenly, and pipe fitting tip magnetization effect is better, and magnetic suspension spraying system starts, then the moving coil mechanism moves from both ends to the centre, and the start the power supply simultaneously, carry out circumference magnetization and longitudinal magnetization or compound magnetization, observe the magnetism trace on the pipe fitting after the magnetization and be used for judging whether there is crackle or the defect, the three-phase rectifier power supply, when alternating current zero-cross-pass rectifier power supply, the magnetization increases gradually, when switching-off, when the steady voltage is switched off. The main circuit of the main magnetizing power supply with three-phase full-wave rectification has a function of rapid power-off control, can respectively realize circumferential direct current magnetization, circumferential alternating current magnetization, longitudinal direct current magnetization and longitudinal alternating current magnetization, can realize surface and deep flaw detection of pipe fittings, and has a very good flaw detection effect.
Further, the first driving mechanism comprises a first motor, a first speed reducer, a first travelling shaft, a rack and a first travelling gear, the first motor and the first speed reducer are installed in the movable electrode box body, the first travelling shaft is rotatably arranged at the bottom of the movable electrode box body, the first motor, the first speed reducer and the first travelling shaft are in transmission connection, the first travelling gear is fixedly installed on the first travelling shaft, and the first travelling gear is meshed with the rack fixedly installed on the lathe bed.
Further, the second driving mechanism comprises an air cylinder, a transmission chain wheel shaft and a connecting shaft, the chain wheel shaft is rotatably arranged on the fixed electrode box body or the movable electrode box body through a bearing seat, the connecting shaft is arranged in the chain wheel shaft in a sliding mode, the connecting shaft is connected with the electrode shaft through a flange, the air cylinder is arranged on the fixed electrode box body or the movable electrode box body through an air cylinder seat, and a piston rod of the air cylinder is connected with the connecting shaft.
Further, third actuating mechanism includes second motor, second speed reducer, hexagonal axle, first drive sprocket, second drive sprocket, shifting fork board, second motor and second speed reducer fixed mounting are in fixed electrode box, the hexagonal axle rotates and sets up on the lathe bed, and extends to removal electrode box below from fixed electrode box below, the transmission is connected between second motor, second speed reducer, the hexagonal axle, first drive sprocket and second drive sprocket are installed to the hexagonal axle, the sprocket axle in first drive sprocket and the fixed electrode box passes through the chain and connects, second drive sprocket and hexagonal axle adopt sliding connection, be provided with the draw-in groove on the second drive sprocket, removal electrode box below is fixed with the shifting fork board, the shifting fork board inserts in the draw-in groove on the second drive sprocket, the sprocket axle in second drive sprocket and the removal electrode box passes through the chain and connects.
Further, the coil moving mechanism comprises a first sliding seat, an insulating shell, a coil wound by copper bars, a third motor, a second walking shaft and a second walking gear, the sliding seat is arranged on the lathe bed in a sliding mode, the second walking shaft is arranged at the bottom of the first sliding seat in a rotating mode, the second walking shaft is connected with the third motor in a transmission mode, the second walking shaft is fixedly provided with the second walking gear, and the second walking gear is meshed with the rack fixedly arranged on the lathe bed.
Further, transfer supporting mechanism to include second sliding bottom, V-arrangement bracket, lead screw, screw-nut, hand wheel mechanism, second sliding bottom slides and sets up on the lathe bed, it is provided with two screw-nut to rotate through the bearing frame on the second sliding bottom, the fixed lead screw that is provided with in second sliding bottom below, lead screw and screw-nut meshing, screw-nut's terminal surface fixed mounting has the sprocket, through sprocket chain synchronous connection between two screw-nut, hand wheel mechanism and one of them screw-nut pass through sprocket chain transmission and connect.
The utility model has the advantages that:
1. the utility model discloses be equipped with alternating current power supply and three-phase full wave rectification power supply, exchange and adopt the stepless pressure regulating of silicon controlled rectifier, voltage crescent when magnetization starts, zero passage outage when turn-off, remanence is stable. The main circuit of the three-phase full-wave rectification main magnetizing power supply has a quick power-off control function, can respectively realize circumferential direct current magnetization, circumferential alternating current magnetization, longitudinal direct current magnetization and longitudinal alternating current magnetization, can realize surface and deep flaw detection of pipe fittings, and has a very good flaw detection effect.
2. The copper mesh grid on the electrode chuck of the utility model can form multi-point contact with the pipe fitting, thereby ensuring the uniform current distribution at the end part of the pipe fitting and better magnetization effect at the end part of the pipe fitting,
3. the utility model discloses be provided with first actuating mechanism drive removal electrode box, be equipped with second actuating mechanism drive electrode chuck and stretch out, be equipped with third actuating mechanism drive circumference magnetization mechanism and rotate to be equipped with moving coil mechanism, adjustable supporting mechanism, completion material loading, detection that can be very convenient have simple structure, convenient operation's advantage.
Drawings
Fig. 1 is a schematic structural diagram of a three-phase full-wave ac/dc fluorescent magnetic particle flaw detector for pipes according to the present invention;
fig. 2 is a schematic structural view of the circumferential magnetization mechanism and the third driving mechanism according to the present invention;
fig. 3 is a schematic structural diagram of the movable electrode box and the first driving mechanism according to the present invention;
fig. 4 is a schematic structural diagram of the moving coil mechanism according to the present invention;
fig. 5 is a schematic structural diagram of the adjustable supporting mechanism of the present invention.
In the figure: 1, a lathe bed;
2 fixing the electrode box body;
3 moving the electrode box body;
4 a first drive mechanism; a 401 first motor, a 402 first speed reducer, a 403 first walking shaft, a 404 rack and a 405 first walking gear;
5, a circumferential magnetization mechanism; 501 electrode shaft; 502 an electrode cartridge; 503 copper mesh grid; 504 an insulating retainer ring; 505 small electrodes; 506V-shaped blocks;
6 a second drive mechanism; 601, an air cylinder; 602 a sprocket shaft; 603 connecting the shaft;
7 a third drive mechanism; 701 a second motor; 702 a second reducer; 703 a hexagonal shaft; 704 a first drive sprocket; 705 a second drive sprocket; 706 a fork plate;
8 moving the coil mechanism; 801 a first sliding seat; 802 an insulating housing; 803 a coil wound by copper bar; 804 a third motor; 805 a second travel axis; 806 second running gear;
9 an adjustable support mechanism; 901 a second slide base; 902V-shaped brackets; 903 screw mandrel; 904 a feed screw nut; 905 hand wheel mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-5, a three-phase full-wave ac/dc fluorescent magnetic particle flaw detector for pipes comprises a bed 1, a fixed electrode box 2 fixed at one end of the bed 1, a movable electrode box 3 slidably arranged at the other end of the bed 1, a first driving mechanism 4 for driving the movable electrode box 3 to move, a circumferential magnetizing mechanism 5 arranged on the fixed electrode box 2 and the movable electrode box 3, a second driving mechanism 6 for driving the circumferential magnetizing mechanism 5 to extend out, a third driving mechanism 7 for driving the circumferential magnetizing mechanism 5 to synchronously rotate, a plurality of movable coil mechanisms 8 and adjustable supporting mechanisms 9 slidably arranged on the bed 1, a magnetic suspension spraying mechanism, a fluorescent lamp, a power supply and an operation panel; the power supply comprises an alternating current power supply and a three-phase full-wave rectification power supply, the circumferential magnetization mechanism 5 comprises an electrode shaft 501 which is arranged on the fixed electrode box body 2 or the movable electrode box body 3 in a free rotation and sliding mode, an electrode chuck 502 is installed at the extending end of the electrode shaft 501, a copper woven mesh 503 is installed on the electrode chuck 502, the periphery of the copper woven mesh 503 is fixed through an insulating fixing ring 504, and a small electrode 505 and an adjustable V-shaped block 506 are further installed on the electrode chuck 502.
In this scheme, the pipe fitting is placed on adjustable supporting mechanism 9, adjustable supporting mechanism 9 adjusts the pipe fitting height, make the centre of rotation of pipe fitting be a little higher than the centre of rotation of electrode chuck 502, then pipe fitting one end is placed on the V-arrangement piece 506 on the electrode chuck 502 of fixed electrode box 2 department, then first actuating mechanism 4 drive removes electrode box 3, make the V-arrangement piece 506 on the electrode chuck 502 of this box be located the below of pipe fitting terminal surface, then adjustable supporting mechanism 9 descends, make the pipe fitting just fall on V-arrangement piece 506, then second actuating mechanism 6 drive electrode chuck 502 stretches out forward, two electrode chucks 502 press from both sides the pipe fitting tightly, if electrode chuck 502 is the plane, it is likely that pipe fitting and electrode chuck 502 take place line contact or single point contact, but the utility model discloses a copper mesh grid 503 on electrode chuck 502 can form the multiple spot contact with the pipe fitting, ensure that pipe fitting tip department's current distributes evenly, pipe fitting tip magnetization effect is better, the magnetic spray system starts, then moving coil mechanism 8 moves from both ends to the centre, start the power supply simultaneously, carry out the magnetization and longitudinal magnetization or compound magnetization, observe the trace on the pipe fitting after the magnetization and be used for judging whether there is the AC power supply is the crack, when the three-phase rectifier voltage is cut off, the utility model discloses a three-phase rectifier is provided with the stable magnetic field rectifier. The main circuit of the three-phase full-wave rectification main magnetizing power supply has a quick power-off control function, can respectively realize circumferential direct current magnetization, circumferential alternating current magnetization, longitudinal direct current magnetization and longitudinal alternating current magnetization, can realize surface and deep flaw detection of pipe fittings, and has a very good flaw detection effect.
In practical application, the first driving mechanism 4 includes a first motor 401, a first speed reducer 402, a first traveling shaft 403, a rack 404, and a first traveling gear 405, the first motor 401 and the first speed reducer 402 are installed in the movable electrode box 3, the first traveling shaft 403 is rotatably disposed at the bottom of the movable electrode box 3, the first motor 401, the first speed reducer 402, and the first traveling shaft 403 are in transmission connection, the first traveling gear 405 is fixedly installed on the first traveling shaft 403, and the first traveling gear 405 is engaged with the rack 404 fixedly installed on the bed 1.
In practical application, second actuating mechanism 6 includes cylinder 601, transmission sprocket shaft 602, connecting axle 603, sprocket shaft 602 rotates through the bearing frame and sets up on fixed electrode box 2 or removal electrode box 3, it is provided with connecting axle 603 to slide in sprocket shaft 602, connecting axle 603 and electrode shaft 501 pass through flange joint, cylinder 601 passes through cylinder 601 seat and installs on fixed electrode box 2 or removal electrode box 3, the piston rod and the connecting axle 603 of cylinder 601 are connected.
In practical application, the third driving mechanism 7 includes a second motor 701, a second speed reducer 702, a hexagonal shaft 703, a first transmission sprocket 704, a second transmission sprocket 705, and a shifting fork plate 706, the second motor 701 and the second speed reducer 702 are fixedly installed in the fixed electrode box 2, the hexagonal shaft 703 is rotatably installed on the bed 1 and extends from the lower side of the fixed electrode box 2 to the lower side of the movable electrode box 3, the second motor 701, the second speed reducer 702, and the hexagonal shaft 703 are in transmission connection, the hexagonal shaft 703 is installed with the first transmission sprocket 704 and the second transmission sprocket 705, the first transmission sprocket 704 and the sprocket 602 in the fixed electrode box 2 are connected by a chain, the second transmission sprocket and the hexagonal shaft 703 are in sliding connection, the second transmission sprocket 705 is provided with a clamping groove, the shifting fork plate 706 is fixed below the movable electrode box 3, the shifting fork plate 706 is inserted into the clamping groove on the second transmission sprocket 705, and the second transmission sprocket and the sprocket 602 in the movable electrode box 3 are connected by a chain 705.
In practical application, the moving coil mechanism 8 includes a first sliding seat 801, an insulating housing 802, a coil 803 wound by a copper bar, a third motor 804, a second traveling shaft 805, and a second traveling gear 806, the sliding seat is slidably disposed on the bed 1, the second traveling shaft 805 is rotatably disposed at the bottom of the first sliding seat 801, the second traveling shaft 805 is in transmission connection with the third motor 804, the second traveling gear 806 is fixedly mounted on the second traveling shaft 805, and the second traveling gear 806 is engaged with the rack 404 fixedly mounted on the bed 1.
In practical application, the support adjusting mechanism comprises a second sliding base 901, a V-shaped bracket 902, a screw rod 903, screw nuts 904 and a hand wheel mechanism 905, wherein the second sliding base 901 is arranged on the lathe bed 1 in a sliding manner, the second sliding base 901 is provided with two screw nuts 904 in a rotating manner through a bearing seat, the screw rod 903 is fixedly arranged below the second sliding base 901, the screw rod 903 is meshed with the screw nuts 904, a chain wheel is fixedly arranged on the end face of each screw nut 904, the two screw nuts 904 are synchronously connected through a chain wheel chain, and the hand wheel mechanism 905 is connected with one of the screw nuts 904 through the chain wheel chain in a transmission manner.
The utility model discloses a theory of operation:
a three-phase full wave AC/DC fluorescence magnetic particle flaw detector for pipe is at the during operation, the pipe fitting is placed on adjustable supporting mechanism 9, adjustable supporting mechanism 9 adjusts the pipe fitting height, the centre of rotation that makes the pipe fitting is a little higher than the centre of rotation of electrode chuck 502, then pipe fitting one end is placed on the V-arrangement piece 506 on the electrode chuck 502 of fixed electrode box 2 department, then first actuating mechanism 4 drive mobile electrode box 3, V-arrangement piece 506 on the electrode chuck 502 that makes this box is located the below of pipe fitting terminal surface, then adjustable supporting mechanism 9 descends, make the pipe fitting just fall on V-arrangement piece 506, then 6 drive electrode chucks 502 of second actuating mechanism stretch out forward, two electrode chucks 502 press from both sides the pipe fitting tightly, if electrode chuck 502 is the plane, probably pipe fitting and electrode chuck 502 take place line contact or single-point contact, but the utility model discloses a copper woven mesh 503 on the electrode chuck 502 can form the multiple spot contact with the pipe fitting, ensure that pipe fitting tip department's current distribution is even, pipe fitting tip magnetization effect is better, magnetic suspension spraying system starts, then mobile coil mechanism 8 moves from both ends to the centre from the power supply, carry out simultaneously, magnetize and longitudinal magnetization or longitudinal direction magnetization and magnetization or longitudinal direction magnetic flaw, it is used for the observation after the observation to switch off the magnetic flaw to adopt the silicon controlled rectifier full wave rectifier, the utility model discloses a current distribution is useful for the time of a magnetic field rectifier is useful for the rectifier. The main circuit of the three-phase full-wave rectification main magnetizing power supply has a quick power-off control function, can respectively realize circumferential direct current magnetization, circumferential alternating current magnetization, longitudinal direct current magnetization and longitudinal alternating current magnetization, can realize surface and deep flaw detection of pipe fittings, and has a very good flaw detection effect.
To sum up, a three-phase full wave AC/DC fluorescence magnetic particle flaw detector for pipe have simple structure, convenient operation, the accurate advantage of detecting a flaw.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the present invention is to provide a person skilled in the art with the ability to understand the contents of the present invention and implement the same, and not to limit the scope of the present invention.
Claims (6)
1. The utility model provides a three-phase full wave AC/DC fluorescence magnetic particle flaw detector for pipe which characterized in that: the device comprises a bed body (1), a fixed electrode box body (2) fixed at one end of the bed body (1), a movable electrode box body (3) arranged at the other end of the bed body (1) in a sliding manner, a first driving mechanism (4) for driving the movable electrode box body (3) to move, a circumferential magnetization mechanism (5) arranged on the fixed electrode box body (2) and the movable electrode box body (3), a second driving mechanism (6) for driving the circumferential magnetization mechanism (5) to extend out, a third driving mechanism (7) for driving the circumferential magnetization mechanism (5) to synchronously rotate, a plurality of movable coil mechanisms (8) and adjustable supporting mechanisms (9) arranged on the bed body (1) in a sliding manner, a magnetic suspension spraying mechanism, a fluorescent lamp, a power supply and an operation panel; the power supply comprises an alternating current power supply and a three-phase full-wave rectification power supply, the circumferential magnetization mechanism (5) comprises an electrode shaft (501) which is arranged on a fixed electrode box body (2) or a movable electrode box body (3) in a sliding mode, an extending end of the electrode shaft (501) is provided with an electrode chuck (502), a copper woven mesh (503) is arranged on the electrode chuck (502), the periphery of the copper woven mesh (503) is fixed through an insulating fixing ring (504), and a small electrode (505) and an adjustable V-shaped block (506) are further arranged on the electrode chuck (502).
2. The tubular three-phase full-wave AC/DC fluorescent magnetic powder flaw detector of claim 1, characterized in that: the first driving mechanism (4) comprises a first motor (401), a first speed reducer (402), a first travelling shaft (403), a rack (404) and a first travelling gear (405), the first motor (401) and the first speed reducer (402) are installed in the movable electrode box body (3), the first travelling shaft (403) is rotatably arranged at the bottom of the movable electrode box body (3), the first motor (401), the first speed reducer (402) and the first travelling shaft (403) are in transmission connection, the first travelling gear (405) is fixedly installed on the first travelling shaft (403), and the first travelling gear (405) is meshed with the rack (404) fixedly installed on the lathe bed (1).
3. The tubular three-phase full-wave AC/DC fluorescent magnetic powder flaw detector of claim 1, characterized in that: second actuating mechanism (6) include cylinder (601), transmission sprocket shaft (602), connecting axle (603), sprocket shaft (602) rotate through the bearing frame and set up on fixed electrode box (2) or removal electrode box (3), it is provided with connecting axle (603) to slide in sprocket shaft (602), connecting axle (603) and electrode shaft (501) pass through flange joint, cylinder (601) are installed on fixed electrode box (2) or removal electrode box (3) through cylinder (601) seat, the piston rod and connecting axle (603) of cylinder (601) are connected.
4. The tubular three-phase full-wave AC/DC fluorescent magnetic powder flaw detector of claim 3, characterized in that: the third driving mechanism (7) comprises a second motor (701), a second speed reducer (702), a hexagonal shaft (703), a first transmission chain wheel (704), a second transmission chain wheel (705) and a shifting fork plate (706), the second motor (701) and the second speed reducer (702) are fixedly installed in a fixed electrode box body (2), the hexagonal shaft (703) is rotatably arranged on the lathe bed (1) and extends to the lower part of a movable electrode box body (3) from the lower part of the fixed electrode box body (2), the second motor (701), the second speed reducer (702) and the hexagonal shaft (703) are in transmission connection, the hexagonal shaft (703) is provided with the first transmission chain wheel (704) and the second transmission chain wheel (703), the first transmission chain wheel (704) is connected with the chain wheel shaft (602) in the fixed electrode box body (2) through a chain, the second transmission chain wheel (705) and the hexagonal shaft (703) are in sliding connection, the second transmission clamping groove (705) is arranged on the second transmission clamping groove (705), the shifting fork plate (705) is fixedly arranged below the movable electrode box body (3), and the second transmission chain wheel (706) is inserted into the second transmission chain wheel (706) and the second transmission chain wheel (703) and is connected with the second transmission chain wheel (706).
5. The tubular three-phase full-wave AC/DC fluorescent magnetic powder flaw detector of claim 1, characterized in that: remove coil mechanism (8) and include first sliding seat (801), insulating housing (802), coil (803) of copper bar coiling, third motor (804), second walking shaft (805), second walking gear (806), the sliding seat slides and sets up on lathe bed (1), second walking shaft (805) rotate and set up in first sliding seat (801) bottom, second walking shaft (805) and third motor (804) transmission are connected, fixed mounting has second walking gear (806) on second walking shaft (805), second walking gear (806) and fixed mounting are in rack (404) meshing of lathe bed (1).
6. The tubular three-phase full-wave AC/DC fluorescent magnetic powder flaw detector of claim 1, characterized in that: the support adjusting mechanism comprises a second sliding base (901), a V-shaped bracket (902), a screw rod (903), screw nuts (904) and a hand wheel mechanism (905), wherein the second sliding base (901) is arranged on the bed body (1) in a sliding mode, the second sliding base (901) is provided with two screw nuts (904) in a rotating mode through a bearing seat, the screw rod (903) is fixedly arranged below the second sliding base (901), the screw rod (903) is meshed with the screw nuts (904), a chain wheel is fixedly arranged on the end face of each screw nut (904), the two screw nuts (904) are synchronously connected through a chain wheel chain, and the hand wheel mechanism (905) is connected with one of the screw nuts (904) through the chain wheel chain in a transmission mode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221703615.7U CN217786985U (en) | 2022-07-04 | 2022-07-04 | Three-phase full-wave AC/DC fluorescent magnetic powder flaw detector for pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221703615.7U CN217786985U (en) | 2022-07-04 | 2022-07-04 | Three-phase full-wave AC/DC fluorescent magnetic powder flaw detector for pipe |
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| CN217786985U true CN217786985U (en) | 2022-11-11 |
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| CN202221703615.7U Active CN217786985U (en) | 2022-07-04 | 2022-07-04 | Three-phase full-wave AC/DC fluorescent magnetic powder flaw detector for pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116223611A (en) * | 2023-05-11 | 2023-06-06 | 四川经准特种设备检验有限公司 | Auxiliary system for pressure pipeline detection and detection method |
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2022
- 2022-07-04 CN CN202221703615.7U patent/CN217786985U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116223611A (en) * | 2023-05-11 | 2023-06-06 | 四川经准特种设备检验有限公司 | Auxiliary system for pressure pipeline detection and detection method |
| CN116223611B (en) * | 2023-05-11 | 2023-07-07 | 四川经准特种设备检验有限公司 | Auxiliary system for pressure pipeline detection and detection method |
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