CN111812191B - Flaw detection flatcar - Google Patents
Flaw detection flatcar Download PDFInfo
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- CN111812191B CN111812191B CN202010730324.6A CN202010730324A CN111812191B CN 111812191 B CN111812191 B CN 111812191B CN 202010730324 A CN202010730324 A CN 202010730324A CN 111812191 B CN111812191 B CN 111812191B
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- flatcar
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/83—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields
- G01N27/84—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields by applying magnetic powder or magnetic ink
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention discloses a flaw detection flatcar, which comprises a flatcar and a box body, wherein rails are arranged on two sides of an upper end opening of the box body, the flatcar reciprocates on the rails, a screw rod adjusting mechanism is arranged in the box body, a movable platform is connected to the screw rod adjusting mechanism, a plurality of leak holes are uniformly distributed on the surface of the movable platform, the lower end of the box body is in a bucket shape, a liquid outlet is formed in the bottom end of the box body, a magnetic powder suspension spraying mechanism, a camera shooting mechanism, a cleaning mechanism and a travelling mechanism are arranged on the flatcar, and the lower end of the flatcar is rotationally connected with travelling wheels; the sprayed magnetic powder suspension can be recovered by arranging the box body, so that the production cost is reduced; the magnetic powder suspension spraying mechanism is arranged, so that the surface of the workpiece can be automatically sprayed, manual operation is not needed, and the detection efficiency is improved; the flaw detection condition of the surface of the workpiece can be automatically recorded by arranging the camera shooting mechanism and is sent to the external monitoring display by the wireless signal transmitter, so that the flaw detection condition can be monitored in real time.
Description
Technical Field
The invention relates to the technical field of magnetic powder inspection, in particular to an inspection flatcar.
Background
The magnetic powder inspection utilizes the interaction between the leakage magnetic field at the defect of the workpiece and the magnetic powder, and utilizes the difference of magnetic permeability and magnetic permeability of the steel product surface and near-surface defects (such as cracks, slag inclusion, hairlines and the like), the magnetic field at the discontinuous positions of the materials is distorted after magnetization, and the leakage magnetic field is generated at the surface of the workpiece at the part of the magnetic flux leakage positions, thereby attracting the magnetic powder to form magnetic powder accumulation-magnetic marks at the defect positions, displaying the defect positions and shapes under proper illumination conditions, and observing and explaining the accumulation of the magnetic powder, thus realizing the magnetic powder inspection.
At present, no magnetic powder flaw detection flat car capable of automatically recording workpiece cracks exists in the market, and meanwhile, the existing flaw detection flat car needs to clean the surface of a workpiece after spraying magnetic powder suspension liquid on the workpiece, so that the operation is inconvenient; and the magnetic powder suspension at the spraying position is difficult to recycle, so that the production cost is increased.
Disclosure of Invention
The invention aims to provide a flaw detection flat car so as to solve the problems.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a flatcar detects a flaw, includes flatcar and box, the upper end opening both sides of box all are equipped with the track, the flatcar reciprocating motion on the track, the inside of box is equipped with lead screw adjustment mechanism, be connected with movable platform on the lead screw adjustment mechanism, a plurality of small holes have evenly been laid to movable platform's surface, the lower extreme of box is the form of fighting, the bottom of box is equipped with the liquid outlet, be equipped with magnetic powder suspension on the flatcar and spray mechanism, camera mechanism, clearance mechanism and running gear, the lower extreme rotation of flatcar is connected with the walking wheel.
Preferably, the screw rod adjusting mechanism comprises two screw rods, the two screw rods are all rotationally connected to two sides of the inside of the box body, a belt transmission mechanism is connected between the two screw rods, the two screw rods are connected to two sides of the surface of the movable platform in a threaded manner, one screw rod is fixedly connected with an output shaft of a screw rod motor, and the screw rod motor is fixedly connected to the bottom end of the box body through a motor fixing plate.
Preferably, the magnetic powder suspension spraying mechanism comprises a liquid tank, a liquid inlet is formed in the upper end of the liquid tank, one end of a liquid suction pipe is arranged in the liquid tank, the other end of the liquid suction pipe is connected with a liquid inlet of a booster pump, a liquid outlet of the booster pump is connected with one end of a liquid guide pipe, the other end of the liquid guide pipe is connected with a spray pipe, and a plurality of spray heads are arranged on the spray pipe at equal intervals.
Preferably, the camera shooting mechanism comprises a fixing frame, one end of the fixing frame is rotationally connected with a monitoring camera, the rear end of the monitoring camera is rotationally connected with a piston rod of an electric cylinder, the rear end of the electric cylinder is rotationally connected with the fixing frame, the lower end of the fixing frame is provided with an ultraviolet searchlight, and the monitoring camera is connected with an external monitoring display screen through a wireless signal transmitter.
Preferably, the cleaning mechanism comprises an adjusting rod, the lower end fixedly connected with fixed plate of adjusting rod, sliding connection has the slide bar in the fixed plate, the upper end fixedly connected with stopper of slide bar, the lower extreme fixedly connected with mounting panel of slide bar, the cover is equipped with the pressure spring on the slide bar, the pressure spring is located between fixed plate and the mounting panel, the lower extreme fixedly connected with of mounting panel cleans cotton layer.
Preferably, the adjusting rod comprises a fixed sleeve and a movable rod, the lower end of the side wall of the fixed sleeve is connected with a fastening bolt in a threaded mode, the surface of the side wall of the movable rod is provided with fixing holes in an equidistant mode, and the fastening bolt is matched with the fixing holes.
Preferably, the running gear includes the fixed shell, fixedly connected with walking motor in the fixed shell, the output shaft fixedly connected with driving pulley of walking motor, driving pulley is connected with driven pulley through the drive belt, driven pulley and the pivot fixed connection of walking wheel.
Preferably, the flaw detection flatcar specifically comprises the following operation steps:
step one, placing a workpiece on the surface of a movable platform, starting a screw motor to drive one screw to rotate, and driving two screws to synchronously rotate through a belt transmission mechanism, wherein the two screws drive the movable platform to rise to a proper height;
step two, adjusting the height of the adjusting rod through the movable rod and the fixed sleeve according to the height of the workpiece, and enabling the pressure spring to drive the mounting plate to laminate the wiping cotton on the surface of the workpiece;
step three, a traveling motor is started, the traveling motor drives a driving belt pulley to rotate, the driving belt pulley drives a driven belt pulley to rotate through a transmission belt, and therefore a traveling wheel is driven to rotate through a rotating shaft, and the flatcar moves on a track;
starting a booster pump, sucking the magnetic powder suspension liquid in the liquid tank into a liquid guide pipe through a liquid suction pipe, guiding the magnetic powder suspension liquid into a spray pipe through the liquid guide pipe, spraying the magnetic powder suspension liquid on the surface of a workpiece through a plurality of spray heads on the spray pipe, and continuously moving the trolley;
step five, starting a monitoring camera and an ultraviolet searchlight, irradiating the surface of the workpiece by the ultraviolet searchlight, recording the detection condition of the surface of the workpiece by the monitoring camera, and transmitting a video signal to an external monitoring display by a wireless signal transmitter;
and step six, continuously moving the flatcar to drive the wiping cotton layer to wipe the magnetic powder suspension on the surface of the workpiece, enabling redundant magnetic powder suspension to fall into the box body through the leak hole, connecting a pipeline on a liquid outlet of the box body in advance, and recovering the magnetic powder suspension in the box body.
Compared with the prior art, the invention has the beneficial effects that:
1) According to the flaw detection flatcar, the sprayed magnetic powder suspension can be recovered by arranging the box body, so that the production cost is reduced; meanwhile, the movable platform can be driven to lift according to different sizes of workpieces through the screw rod adjusting mechanism, so that the detection effect of magnetic powder inspection is ensured, and leakage holes on the surface of the movable platform can facilitate leakage of magnetic powder suspension;
2) According to the flaw detection flat car, automatic spraying on the surface of a workpiece can be achieved by arranging the magnetic powder suspension spraying mechanism, manual operation is not needed, detection efficiency is improved, meanwhile, labor intensity of workers is reduced, the magnetic powder suspension is made by wrapping a layer of fluorescent dye on the outer layer of the magnetic powder under ultraviolet rays, and after spraying of the magnetic powder suspension on the surface of the workpiece, the magnetic powder can be adsorbed on the defect of the surface of the workpiece, so that the surface and near-surface defects of the workpiece are detected.
3) According to the flaw detection flat car, the flaw detection condition of the surface of a workpiece can be automatically recorded by arranging the image pick-up mechanism and is sent to the external monitoring display by the wireless signal transmitter, so that the flaw detection condition can be monitored in real time; meanwhile, the magnetic marks on the surface of the workpiece can be clearer under the irradiation of ultraviolet rays through the ultraviolet searchlight, and the magnetic marks are convenient to observe through a monitoring display.
4) According to the flaw detection flat car, the cleaning mechanism is arranged to clean the magnetic powder suspension attached to the surface of the workpiece, so that the workpiece is not required to be cleaned manually after detection is completed, the labor intensity of workers is reduced, and meanwhile, the production efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;
FIG. 3 is an enlarged partial schematic view of portion B of FIG. 1;
FIG. 4 is an enlarged partial schematic view of portion C of FIG. 1;
in the drawings, the list of components represented by the various numbers is as follows:
1 flatcar, 2 box, 3 tracks, 4 movable platforms, 5 leak holes, 6 liquid outlets, 7 screw rods, 8 screw rod motors, 9 liquid boxes, 10 liquid inlets, 11 liquid pumping pipes, 12 booster pumps, 13 liquid guiding pipes, 14 spraying pipes, 15 spraying heads, 16 fixing frames, 17 monitoring cameras, 18 electric cylinders, 19 ultraviolet searchlight, 20 fixing sleeves, 21 fixing plates, 22 sliding rods, 23 limiting blocks, 24 mounting plates, 25 pressure springs, 26 cotton wiping layers, 27 movable rods, 28 fastening bolts, 29 fixing holes, 30 fixing shells, 31 walking motors, 32 driving pulleys, 33 driven pulleys and 34 walking wheels.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1 to 3, the present invention provides the following technical solutions:
example 1
The flaw detection flat car comprises a flat car 1 and a box body 2, wherein rails 3 are arranged on two sides of an upper end opening of the box body 2, the flat car 1 reciprocates on the rails 3, a screw rod adjusting mechanism is arranged in the box body 2, a movable platform 4 is connected to the screw rod adjusting mechanism, a plurality of leak holes 5 are uniformly distributed on the surface of the movable platform 4, the lower end of the box body 2 is in a bucket shape, a liquid outlet 6 is formed in the bottom end of the box body 2, a magnetic powder suspension spraying mechanism, a camera shooting mechanism, a cleaning mechanism and a travelling mechanism are arranged on the flat car 1, and travelling wheels 34 are rotatably connected to the lower end of the flat car 1; the sprayed magnetic powder suspension can be recovered by arranging the box body 2, so that the production cost is reduced.
The screw rod adjusting mechanism comprises two screw rods 7, wherein the two screw rods 7 are respectively and rotatably connected to two sides of the inside of the box body 2, a belt transmission mechanism is connected between the two screw rods 7, the two screw rods 7 are connected to two sides of the surface of the movable platform 4 in a threaded manner, one end of one screw rod 7 is fixedly connected with an output shaft of a screw rod motor 8, and the screw rod motor 8 is fixedly connected to the bottom end of the box body 2 through a motor fixing plate; the movable platform 4 can be driven to lift according to different sizes of workpieces through the screw rod adjusting mechanism, so that the detection effect of magnetic powder inspection is guaranteed, and the leakage holes 5 on the surface of the movable platform 4 can facilitate leakage of magnetic powder suspension.
The magnetic powder suspension spraying mechanism comprises a liquid tank 9, wherein a liquid inlet 10 is formed in the upper end of the liquid tank 9, one end of a liquid suction pipe 11 is arranged in the liquid tank 9, the other end of the liquid suction pipe 11 is connected with a liquid inlet of a booster pump 12, a liquid outlet of the booster pump 12 is connected with one end of a liquid guide pipe 13, the other end of the liquid guide pipe 13 is connected with a spray pipe 14, and a plurality of spray heads 15 are equidistantly arranged on the spray pipe 14; the magnetic powder suspension spraying mechanism is arranged to automatically spray the surface of the workpiece, manual operation is not needed, detection efficiency is improved, labor intensity of workers is reduced, the magnetic powder suspension is prepared by wrapping a layer of fluorescent dye on the outer layer of the magnetic powder under ultraviolet rays, and after the magnetic powder suspension is sprayed on the surface of the workpiece, the magnetic powder is adsorbed on the defect of the surface of the workpiece, so that the defects of the surface and the near surface of the workpiece are detected.
The camera shooting mechanism comprises a fixed frame 16, one end of the fixed frame 16 is rotatably connected with a monitoring camera 17, the rear end of the monitoring camera 17 is rotatably connected with a piston rod of an electric cylinder 18, the rear end of the electric cylinder 18 is rotatably connected with the fixed frame 16, the lower end of the fixed frame 16 is provided with an ultraviolet searchlight 19, and the monitoring camera 17 is connected with an external monitoring display screen through a wireless signal transmitter; the flaw detection condition of the surface of the workpiece can be automatically recorded by arranging the camera mechanism and is sent to the external monitoring display by the wireless signal transmitter, so that the flaw detection condition can be monitored in real time; meanwhile, the magnetic marks on the surface of the workpiece can be clearer under the irradiation of ultraviolet rays through the ultraviolet searchlight 19, so that the magnetic marks can be conveniently observed through a monitoring display.
The cleaning mechanism comprises an adjusting rod, the lower end of the adjusting rod is fixedly connected with a fixed plate 21, a sliding rod 22 is connected in a sliding manner in the fixed plate 21, a limiting block 23 is fixedly connected to the upper end of the sliding rod 22, a mounting plate 24 is fixedly connected to the lower end of the sliding rod 22, a pressure spring 25 is sleeved on the sliding rod 22, the pressure spring 25 is positioned between the fixed plate 21 and the mounting plate 24, and a cotton wiping layer 26 is fixedly connected to the lower end of the mounting plate 24; the adjusting rod comprises a fixed sleeve 20 and a movable rod 27, the lower end of the side wall of the fixed sleeve 20 is connected with a fastening bolt 28 in a threaded manner, the surface of the side wall of the movable rod 27 is provided with a fixed hole 29 at equal intervals, and the fastening bolt 28 is matched with the fixed hole 29; the cleaning mechanism is arranged to clean the magnetic powder suspension attached to the surface of the workpiece, so that the workpiece is not required to be cleaned manually after detection is completed, the labor intensity of workers is reduced, and the production efficiency is improved.
The running mechanism comprises a fixed shell 30, a running motor 31 is fixedly connected in the fixed shell 30, an output shaft of the running motor 31 is fixedly connected with a driving belt pulley 32, the driving belt pulley 32 is connected with a driven belt pulley 33 through a transmission belt, and the driven belt pulley 33 is fixedly connected with a rotating shaft of a running wheel 34.
Example two
The flaw detection flatcar specifically comprises the following operation steps:
firstly, placing a workpiece on the surface of a movable platform 4, starting a screw motor 8 to drive one screw rod 7 to rotate, and driving two screw rods 7 to synchronously rotate through a belt transmission mechanism, wherein the two screw rods 7 drive the movable platform 4 to rise to a proper height;
step two, adjusting the height of the adjusting rod through the movable rod 27 and the fixed sleeve 20 according to the height of the workpiece, and driving the mounting plate 24 by the pressure spring 25 to press the wiping cotton layer 26 on the surface of the workpiece;
step three, a traveling motor 31 is started, the traveling motor 31 drives a driving belt pulley 32 to rotate, the driving belt pulley 32 drives a driven belt pulley 33 to rotate through a transmission belt, and therefore a traveling wheel 34 is driven to rotate through a rotating shaft, and the flatcar 1 moves on the track 3;
step four, starting a booster pump 12, sucking magnetic powder suspension liquid in a liquid tank 9 into a liquid guide pipe 13 through a liquid suction pipe 11 by the booster pump 12, guiding the magnetic powder suspension liquid into a spray pipe 14 through the liquid guide pipe 13, spraying the magnetic powder suspension liquid on the surface of a workpiece by a plurality of spray heads 15 on the spray pipe 14, and continuously moving the trolley 1;
step five, starting a monitoring camera 17 and an ultraviolet searchlight 19, irradiating the surface of the workpiece by the ultraviolet searchlight 19, recording the detection condition of the surface of the workpiece by the monitoring camera 17, and transmitting a video signal to an external monitoring display through a wireless signal transmitter;
and step six, the flatcar 1 continues to move to drive the wiping cotton layer 26 to wipe the magnetic powder suspension on the surface of the workpiece, and the redundant magnetic powder suspension falls into the box body 2 through the leak hole 5, and a pipeline is connected to the liquid outlet 6 of the box body 2 in advance, so that the magnetic powder suspension in the box body 2 can be recovered.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (4)
1. The utility model provides a flaw detection flatcar, includes flatcar (1) and box (2), its characterized in that, upper end opening both sides of box (2) all are equipped with track (3), flatcar (1) reciprocating motion on track (3), the inside of box (2) is equipped with lead screw adjustment mechanism, be connected with movable platform (4) on the lead screw adjustment mechanism, a plurality of leak holes (5) have evenly been laid on the surface of movable platform (4), the lower extreme of box (2) is the form of fighting, the bottom of box (2) is equipped with liquid outlet (6), be equipped with magnetic powder suspension spraying mechanism, camera mechanism, clearance mechanism and running gear on flatcar (1), the lower extreme rotation of flatcar (1) is connected with walking wheel (34), places the work piece on movable platform (4) surface, drives movable platform (4) through lead screw adjustment mechanism and goes up and down according to the different sizes of work piece;
the cleaning mechanism comprises an adjusting rod, the lower end of the adjusting rod is fixedly connected with a fixed plate (21), a sliding rod (22) is connected in a sliding manner in the fixed plate (21), the upper end of the sliding rod (22) is fixedly connected with a limiting block (23), the lower end of the sliding rod (22) is fixedly connected with a mounting plate (24), a pressure spring (25) is sleeved on the sliding rod (22), the pressure spring (25) is positioned between the fixed plate (21) and the mounting plate (24), and the lower end of the mounting plate (24) is fixedly connected with a cotton wiping layer (26);
the screw rod adjusting mechanism comprises two screw rods (7), wherein the two screw rods (7) are respectively connected to two sides of the inside of the box body (2) in a rotating mode, a belt transmission mechanism is connected between the two screw rods (7), the two screw rods (7) are connected to two sides of the surface of the movable platform (4) in a threaded mode, one end of one screw rod (7) is fixedly connected with an output shaft of a screw rod motor (8), and the screw rod motor (8) is fixedly connected to the bottom end of the box body (2) through a motor fixing plate;
the adjusting rod comprises a fixed sleeve (20) and a movable rod (27), the lower end of the side wall of the fixed sleeve (20) is connected with a fastening bolt (28) in a threaded mode, the surface of the side wall of the movable rod (27) is provided with fixing holes (29) at equal intervals, and the fastening bolt (28) is matched with the fixing holes (29);
the walking mechanism comprises a fixed shell (30), a walking motor (31) is fixedly connected in the fixed shell (30), a driving belt wheel (32) is fixedly connected with an output shaft of the walking motor (31), a driven belt wheel (33) is connected with the driving belt wheel (32) through a transmission belt, and the driven belt wheel (33) is fixedly connected with a rotating shaft of a walking wheel (34).
2. The flaw detection flatcar according to claim 1, characterized in that the magnetic powder suspension spraying mechanism comprises a liquid tank (9), a liquid inlet (10) is formed in the upper end of the liquid tank (9), one end of a liquid suction pipe (11) is arranged in the liquid tank (9), the other end of the liquid suction pipe (11) is connected with a liquid inlet of a booster pump (12), a liquid outlet of the booster pump (12) is connected with one end of a liquid guide pipe (13), the other end of the liquid guide pipe (13) is connected with a spray pipe (14), and a plurality of spray heads (15) are arranged on the spray pipe (14) at equal intervals.
3. The flaw detection flatcar according to claim 1, characterized in that the camera shooting mechanism comprises a fixing frame (16), one end of the fixing frame (16) is rotationally connected with a monitoring camera (17), the rear end of the monitoring camera (17) is rotationally connected with a piston rod of an electric cylinder (18), the rear end of the electric cylinder (18) is rotationally connected with the fixing frame (16), the lower end of the fixing frame (16) is provided with an ultraviolet searchlight (19), and the monitoring camera (17) is connected with an external monitoring display screen through a wireless signal transmitter.
4. The running method of the flaw detection flatcar according to any one of claims 1 to 3, which is characterized by comprising the following steps:
step one, placing a workpiece on the surface of a movable platform (4), starting a screw motor (8) to drive one screw (7) to rotate, and driving two screws (7) to synchronously rotate through a belt transmission mechanism, wherein the two screws (7) drive the movable platform (4) to rise to a proper height;
step two, adjusting the height of the adjusting rod through the movable rod (27) and the fixed sleeve (20) according to the height of the workpiece, and driving the mounting plate (24) by the pressure spring (25) to press the cotton wiping layer (26) on the surface of the workpiece;
step three, a traveling motor (31) is started, the traveling motor (31) drives a driving belt pulley (32) to rotate, the driving belt pulley (32) drives a driven belt pulley (33) to rotate through a transmission belt, and therefore a traveling wheel (34) is driven to rotate through a rotating shaft, and the flatcar (1) moves on a track (3);
starting a booster pump (12), sucking magnetic powder suspension liquid in a liquid tank (9) into a liquid guide pipe (13) through a liquid suction pipe (11) by the booster pump (12), guiding the magnetic powder suspension liquid into a spray pipe (14) through the liquid guide pipe (13), spraying the magnetic powder suspension liquid on the surface of a workpiece through a plurality of spray heads (15) on the spray pipe (14), and continuously moving a trolley (1);
step five, a monitoring camera (17) and an ultraviolet searchlight (19) are started, the ultraviolet searchlight (19) irradiates the surface of the workpiece, meanwhile, the monitoring camera (17) records the detection condition of the surface of the workpiece, and video signals are sent to an external monitoring display through a wireless signal transmitter;
step six, the flatcar (1) continues to move, drives the wiping cotton layer (26) to wipe the magnetic powder suspension on the surface of the workpiece, and enables redundant magnetic powder suspension to fall into the box body (2) through the leak hole (5), and a pipeline is connected to the liquid outlet (6) of the box body (2) in advance, so that the magnetic powder suspension in the box body (2) can be recovered.
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| CN202010730324.6A CN111812191B (en) | 2020-07-27 | 2020-07-27 | Flaw detection flatcar |
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| CN202010730324.6A CN111812191B (en) | 2020-07-27 | 2020-07-27 | Flaw detection flatcar |
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| CN111812191B true CN111812191B (en) | 2023-07-25 |
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| CN201083697Y (en) * | 2007-06-21 | 2008-07-09 | 上海宇光无损检测设备制造有限公司 | Non-contact type round steel on-line fluorescence magnetic particle flaw detection equipment |
| WO2010045765A1 (en) * | 2008-10-24 | 2010-04-29 | 捷特（北京）探伤设备有限公司 | Fluorescent magnetic powder defect-detector with retractable cross magnetic yoke |
| CN207882215U (en) * | 2018-03-21 | 2018-09-18 | 南安市永腾技术咨询有限公司 | It is a kind of to be suitable for the outdoor magnetic powder inspection device with anti-interference function |
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| CN210665610U (en) * | 2019-09-27 | 2020-06-02 | 章丘市宝华锻造有限公司 | Fluorescent magnetic powder flaw detector |
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| CN205562468U (en) * | 2016-03-31 | 2016-09-07 | 盐城纳得自动化设备有限公司 | High -speed motor car brake disc hoop magnetic powder inspection device |
| CN208984583U (en) * | 2018-10-15 | 2019-06-14 | 射阳县无损检测技术研究所 | A kind of passenger train from goods train universal component magnaflux |
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