CN112986378B - Magnetic powder detection device for omnibearing detection of steel structure and detection method thereof - Google Patents
Magnetic powder detection device for omnibearing detection of steel structure and detection method thereof Download PDFInfo
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- CN112986378B CN112986378B CN202110143417.3A CN202110143417A CN112986378B CN 112986378 B CN112986378 B CN 112986378B CN 202110143417 A CN202110143417 A CN 202110143417A CN 112986378 B CN112986378 B CN 112986378B
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- 239000006247 magnetic powder Substances 0.000 title claims abstract description 123
- 238000001514 detection method Methods 0.000 title claims abstract description 94
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 80
- 239000010959 steel Substances 0.000 title claims abstract description 80
- 239000000725 suspension Substances 0.000 claims abstract description 64
- 239000000463 material Substances 0.000 claims abstract description 59
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000005096 rolling process Methods 0.000 claims abstract 3
- 238000011084 recovery Methods 0.000 claims description 120
- 229940098458 powder spray Drugs 0.000 claims description 28
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 10
- 230000033001 locomotion Effects 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 7
- 230000006978 adaptation Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 230000005415 magnetization Effects 0.000 claims description 3
- 239000006249 magnetic particle Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
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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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- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The invention discloses a magnetic powder detection device and a detection method for omnibearing detection of a steel structure, relates to the technical field of steel material detection, and aims to solve the problem that detection effects are affected by different specifications and models of steel materials in the detection process of the existing magnetic powder detection device. The inside of shell is provided with the detection chamber, the fixed supporting seat that is provided with in bottom in detection chamber, the top of supporting seat rotates and installs and place the platform, the both sides in detection chamber are all fixed and are provided with first electric putter, first electric putter's upper end all is provided with the mounting panel, the inside of mounting panel rotates and installs the rolling disc, the both sides of detection chamber front and back end all are provided with vertical adjustment device, install horizontal adjustment device between the vertical adjustment device, magnetizing coil is installed to horizontal adjustment device's one end, magnetizing coil's top is provided with magnetic suspension shower nozzle and magnetic powder shower nozzle respectively.
Description
Technical Field
The invention relates to the technical field of steel material detection, in particular to a magnetic powder detection device for omnibearing detection of a steel structure and a detection method thereof.
Background
The magnetic powder detection is used for detecting fatigue cracks and other surface defects in steel materials, a detected piece is magnetized during detection, after the steel material workpiece is magnetized, magnetic lines of force on the surface and the near surface of the workpiece are locally distorted due to the existence of discontinuity to generate a leakage magnetic field, magnetic powder applied to the surface of the workpiece is adsorbed, and visible magnetic marks are formed under proper illumination, so that the position, the size, the shape and the severity of the discontinuity are displayed, and the magnetic powder detection is also called magnetic powder detection or magnetic powder inspection, and belongs to one of five conventional methods of nondestructive detection.
However, the existing magnetic powder detection device has some defects in the use process, firstly, the surface cannot be completely adhered when the steel materials are magnetized or magnetic powder is applied because the specification and the model of the steel materials are different, so that the overall detection effect is affected; 2. because the difference exists between the steel materials, the magnetic powder detection device can not flexibly change between the dry method and the wet method, the existing requirements are not met, and the magnetic powder detection device for omnibearing detection of the steel structure and the detection method thereof are provided.
Disclosure of Invention
The invention aims to provide a magnetic powder detection device and a detection method for omnibearing detection of a steel structure, which are used for solving the problem that the detection effect is affected by different specifications and models of steel materials in the detection process of the magnetic powder detection device in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a magnetic powder detection device and detection method of steel construction all-round detection, includes the shell, the inside of shell is provided with the detection chamber, the fixed supporting seat that is provided with in bottom of detection chamber, the top of supporting seat rotates and installs the platform of placing, the both sides of detection chamber are all fixed to be provided with first electric putter, and first electric putter is provided with two, first electric putter's upper end all is provided with the mounting panel, the rotating disk is installed in the inside rotation of mounting panel, the both sides of detection chamber front and back end all are provided with vertical adjustment device, and vertical adjustment device passes through the bolt fastening with the shell, install horizontal adjustment device between the vertical adjustment device, magnetizing coil is installed to horizontal adjustment device's one end, magnetizing coil's top is provided with magnetic suspension shower nozzle and magnetic powder shower nozzle respectively, the both sides of the inside lower extreme of shell all are provided with first recovery case, the rear end of first recovery case is provided with the second recovery case.
Preferably, the inside of perpendicular adjusting device all rotates and installs first lead screw, and is connected through the drive belt transmission between the first lead screw, one side fixed mounting of perpendicular adjusting device upper end has third servo motor, and the output shaft of third servo motor and the upper end fixed connection of one of them first lead screw, horizontal adjusting device's both ends and first lead screw looks adaptation, the second lead screw is installed in horizontal adjusting device's inside rotation, fourth servo motor is installed to the one end of second lead screw, magnetizing coil's rear end and second lead screw looks adaptation.
Preferably, a first servo motor is arranged in the supporting seat, and an output shaft of the first servo motor is in transmission connection with the placing table through a speed reducer.
Preferably, one side of the rotating disc is fixedly provided with a second electric push rod, two second electric push rods are arranged, one end of each second electric push rod is fixedly provided with a clamping plate, one end of the mounting plate, which is far away from the second electric push rod, is fixedly provided with a second servo motor, and an output shaft of the second servo motor is fixedly connected with the rotating disc.
Preferably, the upper end inside the shell is provided with a sliding device, the outside of the sliding device is provided with electric sliding blocks in a sliding way, the two electric sliding blocks are arranged, and the electric sliding blocks are respectively fixedly connected with the magnetic suspension spray head and the magnetic powder spray head.
Preferably, the rear end of the shell is provided with a magnetic powder storage tank, the magnetic powder storage tank and the magnetic powder spray head are fixed in a sealing way through a powder conveying pipe, the lower end of the magnetic powder storage tank is provided with an air compressor, and the air compressor and the magnetic powder spray head are fixed in a sealing way through the gas conveying pipe.
Preferably, both sides of detecting the chamber bottom all are provided with the recovery chamber, the upper end of retrieving the chamber is provided with the recovery hole, and retrieves the hole and be provided with a plurality of, the inside of retrieving the chamber is provided with the regulating plate, regulating plate and recovery chamber sliding connection, and the one end of regulating plate extends to the outside of shell, a plurality of through-holes have been seted up to the inside of regulating plate for rectangular array, the lower extreme of retrieving the chamber is provided with the fixed plate, the inside of fixed plate is provided with magnetic suspension recovery hole and magnetic powder recovery hole respectively, and magnetic suspension recovery hole and magnetic powder recovery hole all are provided with a plurality of, and are interval distribution between magnetic suspension recovery hole and the magnetic powder recovery hole, magnetic suspension recovery hole passes through magnetic suspension recovery pipe sealing fixation with first recovery case, negative pressure fan is installed to the upper end of second recovery case, and negative pressure fan passes through magnetic powder recovery pipe sealing fixation with the magnetic powder recovery hole, the other end of negative pressure fan passes through connecting pipe sealing fixation with the second recovery case.
The detection method of the magnetic powder detection device for the omnibearing detection of the steel structure comprises the following steps:
step one, fixing a steel material, placing the steel material at the upper end of a placing table, driving the steel material on the placing table to rotate by starting a first servo motor, starting a second electric push rod during clamping, enabling a clamping plate at one end of the second electric push rod to clamp and fix the steel material at the upper end of the placing table, and enabling the clamping plate to drive the steel material to rotate under the driving of the second servo motor;
when the steel material is magnetized, each surface of the steel material can be close to the magnetizing coil through the cooperation of the placing table and the clamping plate, the third servo motor is started, so that the horizontal adjusting device drives the magnetizing coil to vertically move, the magnetizing coil is magnetized in the vertical direction of the steel material, and when the steel material is magnetized in the transverse direction of the steel material, the fourth servo motor is started, so that the magnetizing coil horizontally moves in a reciprocating mode, and the magnetizing of the steel material in the transverse direction is realized;
step three, when wet detection is used, only a water pipe is connected to a storage tank in which magnetic suspension exists, and the magnetic suspension is sprayed to the steel material through a magnetic suspension spray head by using a booster pump;
step four, in the wet detection process, the through hole of the adjusting plate is overlapped with the magnetic suspension recovery hole by pulling the adjusting plate, at the moment, other parts of the adjusting plate seal the magnetic powder recovery hole, and redundant magnetic suspension is collected to a first recovery box through a magnetic suspension recovery pipe, so that recovery of the magnetic suspension is realized;
when dry detection is used, the air compressor is started, the air compressor is used for pressurizing external air, high-pressure air is conveyed to the magnetic powder spray head positioned in the shell through the air conveying pipe, the magnetic powder in the magnetic powder storage tank takes the air compressed by the air compressor as power, and the magnetic powder is ejected out through the magnetic powder conveying pipe and the magnetic powder spray head through negative pressure formed in the magnetic powder spray head by high-speed movement of air flow at the magnetic powder spray head, so that the adhesion to the surface of the steel structure is realized;
step six, in the dry detection process, the through hole of the adjusting plate is overlapped with the magnetic powder recovery hole by pulling the adjusting plate, at the moment, other parts of the adjusting plate seal the magnetic suspension recovery hole, the negative pressure fan is started, the magnetic powder recovery pipe generates suction force upwards, and the magnetic powder is stored in the second recovery box through the magnetic powder recovery pipe.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the steel material is placed at the upper end of the placing table before being magnetized by the multidirectional adjusting mechanism, the steel material on the placing table can be driven to rotate by the output shaft of the first servo motor, so that the bottom of the steel material is uniformly treated, the second electric push rod is started, the clamping plate at one end of the second electric push rod clamps and fixes the steel material at the upper end of the placing table, the clamping plate can drive the steel material to rotate under the driving of the second servo motor, so that the vertical surface is treated, the first electric push rod is arranged at the lower end of the mounting plate, the height of the mounting plate can be adjusted by the first electric push rod, the applicability of the steel material is further adjusted, and each surface of the steel material can be uniformly processed by the horizontally rotated placing plate and the vertically rotated clamping plate, so that the problem that the detection effect is influenced by dead angles is avoided.
2. According to the invention, the adjustable magnetizing coils are arranged, when the steel material is magnetized, each surface of the steel material can be close to the magnetizing coils through the matching of the placing table and the clamping plates, so that the magnetizing effect is further improved, the third servo motor is started, the two first lead screws are kept to synchronously rotate under the transmission matching of the transmission belt, the first lead screws and the lead screw sleeves at the two ends of the horizontal adjusting device convert rotary motion into linear motion, the horizontal adjusting device drives the magnetizing coils to vertically move, and therefore, when the steel material is magnetized in the vertical direction, the fourth servo motor is started, and similarly, the second lead screws are matched with the lead screw sleeves at the rear end of the magnetizing coils, so that the magnetizing coils reciprocate horizontally, and the magnetization of the steel material in the transverse direction is realized.
3. According to the invention, magnetic powder is applied to different types of steel materials in a dry-wet method combined mode, when wet detection is used, only a water pipe is required to be connected into a storage tank storing magnetic suspension, the magnetic suspension is sprayed to the steel materials through a magnetic suspension spray head by using a pressurizing pump, when dry detection is used, external air is pressurized by starting an air compressor, high-pressure air is conveyed to the magnetic powder spray head positioned in a shell by using an air conveying pipe, magnetic powder in the magnetic powder storage tank is powered by air compressed by the air compressor, and the magnetic powder is sprayed out through the magnetic powder spray head through a powder conveying pipe by using negative pressure formed in the magnetic powder spray head by high-speed movement of air flow at the magnetic powder spray head, so that the adhesion to the surface of a steel structure is realized.
4. According to the invention, the recovery mechanism is arranged at the lower end of the inside of the shell, the slidable adjusting plate is arranged in the recovery cavity, in the wet detection process, the through hole of the adjusting plate is overlapped with the magnetic suspension recovery hole by pulling the adjusting plate, at the moment, other parts of the adjusting plate seal the magnetic suspension recovery hole, redundant magnetic suspension is collected to the first recovery box through the magnetic suspension recovery pipe, recovery of the magnetic suspension is realized, in the dry detection process, the through hole of the adjusting plate is overlapped with the magnetic suspension recovery hole by pulling the adjusting plate, at the moment, other parts of the adjusting plate seal the magnetic suspension recovery hole, the negative pressure fan is started, the magnetic powder recovery pipe generates suction force upwards, and the magnetic powder is stored in the second recovery box through the magnetic powder recovery pipe.
Drawings
FIG. 1 is a front view of the internal structure of the present invention;
FIG. 2 is a side view of the internal structure of the present invention;
FIG. 3 is a schematic view of the structure of the vertical adjusting device and the horizontal adjusting device of the present invention;
FIG. 4 is an enlarged view of a portion of the area A of FIG. 1 in accordance with the present invention;
fig. 5 is a partial enlarged view of a region in fig. 2 according to the present invention.
In the figure: 1. a housing; 2. a detection chamber; 3. a support base; 4. a placement table; 5. a first servo motor; 6. a first electric push rod; 7. a mounting plate; 8. a rotating disc; 9. a second servo motor; 10. a second electric push rod; 11. a clamping plate; 12. a vertical adjustment device; 13. a level adjustment device; 14. a first lead screw; 15. a magnetizing coil; 16. a third servo motor; 17. a sliding device; 18. an electric slide block; 19. a magnetic suspension spray head; 20. a magnetic powder spray head; 21. a powder conveying pipe; 22. a gas pipe; 23. a first recovery tank; 24. a second recovery tank; 25. an adjusting plate; 26. a magnetic powder storage tank; 27. a second lead screw; 28. a fourth servo motor; 29. a recovery chamber; 30. a recovery hole; 31. a through hole; 32. a fixing plate; 33. a magnetic suspension recovery hole; 34. a magnetic powder recovery hole; 35. a magnetic suspension recovery tube; 36. a magnetic powder recovery tube; 37. a negative pressure fan; 38. an air compressor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-5, an embodiment of the present invention is provided: the utility model provides a magnetic powder detection device and detection method of steel construction all-round detection, including shell 1, the inside of shell 1 is provided with detection chamber 2, detection chamber 2's bottom is fixed to be provided with supporting seat 3, the top rotation of supporting seat 3 is installed and is placed platform 4, detection chamber 2's both sides are all fixed and are provided with first electric putter 6, and first electric putter 6 is provided with two, first electric putter 6's upper end all is provided with mounting panel 7, mounting panel 7's inside rotation is installed and is rotated dish 8, detection chamber 2 front and back end's both sides all are provided with vertical adjustment device 12, and vertical adjustment device 12 passes through the bolt fastening with shell 1, install horizontal adjustment device 13 between the vertical adjustment device 12, magnetizing coil 15 is installed to one end of horizontal adjustment device 13, magnetizing coil 15's top is provided with magnetic suspension shower nozzle 19 and magnetic powder shower nozzle 20 respectively, shell 1 inside lower extreme's both sides all are provided with first recovery case 23, the rear end of first recovery case 23 is provided with second recovery case 24.
Further, the first lead screws 14 are rotatably installed in the vertical adjusting device 12, the first lead screws 14 are in transmission connection through a transmission belt, a third servo motor 16 is fixedly installed on one side of the upper end of the vertical adjusting device 12, an output shaft of the third servo motor 16 is fixedly connected with the upper end of one first lead screw 14, two ends of the horizontal adjusting device 13 are matched with the first lead screws 14, a second lead screw 27 is rotatably installed in the horizontal adjusting device 13, a fourth servo motor 28 is installed at one end of the second lead screw 27, the rear end of the magnetizing coil 15 is matched with the second lead screw 27, the third servo motor 16 enables the two first lead screws 14 to rotate synchronously under the transmission fit of the transmission belt, the rotating motion is converted into linear motion under the fit of lead screw sleeves at two ends of the first lead screw 14 and the horizontal adjusting device 13, the horizontal adjusting device 13 drives the magnetizing coil 15 to move vertically, and accordingly when the steel material is magnetized in the transverse direction, the fourth servo motor 28 is started, the second lead screw 27 is matched with the rear end of the magnetizing coil 15, and the steel material is magnetized in the transverse direction in a reciprocating mode.
Further, the internally mounted of supporting seat 3 has first servo motor 5, and the output shaft of first servo motor 5 passes through the reduction gear transmission with place platform 4 and is connected, and the steel material on the platform 4 is placed in the output shaft of first servo motor 5 can drive and rotate.
Further, one side of the rotating disc 8 is fixedly provided with a second electric push rod 10, two second electric push rods 10 are arranged, one end of each second electric push rod 10 is fixedly provided with a clamping plate 11, one end of the mounting plate 7, which is far away from each second electric push rod 10, is fixedly provided with a second servo motor 9, an output shaft of each second servo motor 9 is fixedly connected with the rotating disc 8, the clamping plates 11 at one end of each second electric push rod 10 are used for clamping and fixing steel materials at the upper end of the placing table 4, and the clamping plates 11 can be used for driving the steel materials to rotate under the driving of the second servo motors 9, so that the vertical surface treatment is realized.
Further, a sliding device 17 is mounted at the upper end inside the casing 1, electric sliding blocks 18 are slidably mounted outside the sliding device 17, two electric sliding blocks 18 are mounted, the electric sliding blocks 18 are fixedly connected with the magnetic suspension spray heads 19 and the magnetic powder spray heads 20 respectively, and the electric sliding blocks 18 transversely displace in the sliding device 17 to enable the magnetic suspension spray heads 19 and the magnetic powder spray heads 20 to move to the optimal positions.
Further, the rear end of the shell 1 is provided with a magnetic powder storage tank 26, the magnetic powder storage tank 26 and the magnetic powder spray head 20 are fixed in a sealing way through a powder conveying pipe 21, the lower end of the magnetic powder storage tank 26 is provided with an air compressor 38, the air compressor 38 and the magnetic powder spray head 20 are fixed in a sealing way through a gas conveying pipe 22, the air compressor 38 pressurizes external air, high-pressure gas is conveyed to the magnetic powder spray head 20 positioned in the shell 1 through the gas conveying pipe 22, magnetic powder in the magnetic powder storage tank 26 takes the air compressed by the air compressor 38 as power, and the magnetic powder is sprayed out through the magnetic powder spray head 20 through the powder conveying pipe 21 by virtue of negative pressure formed in the magnetic powder spray head 20 through high-speed movement of air flow at the magnetic powder spray head 20, so that the adhesion to the surface of a steel structure is realized.
Further, both sides of detection chamber 2 bottom all are provided with recovery chamber 29, the upper end of recovery chamber 29 is provided with recovery hole 30, and recovery hole 30 is provided with a plurality of, the inside of recovery chamber 29 is provided with regulating plate 25, regulating plate 25 and recovery chamber 29 sliding connection, and the one end of regulating plate 25 extends to the outside of shell 1, a plurality of through-holes 31 have been seted up to the inside of regulating plate 25 in rectangular array, the lower extreme of recovery chamber 29 is provided with fixed plate 32, the inside of fixed plate 32 is provided with magnetic suspension recovery hole 33 and magnetic powder recovery hole 34 respectively, magnetic suspension recovery hole 33 and magnetic powder recovery hole 34 all are provided with a plurality of, and be interval distribution between magnetic suspension recovery hole 33 and the magnetic powder recovery hole 34, magnetic suspension recovery hole 33 and first recovery box 23 pass through magnetic suspension recovery pipe 35 sealing fixation, negative pressure fan 37 is installed to the upper end of second recovery box 24, and negative pressure fan 37 and recovery hole 34 pass through magnetic powder recovery pipe 36 sealing fixation, the other end and second recovery box 24 pass through sealing fixation of connecting pipe, in addition, can not realize with flexible magnetic suspension and magnetic powder consumption can not only be switched between the realization in order to the whole magnetic suspension and magnetic suspension can be switched.
The detection method of the magnetic powder detection device for the omnibearing detection of the steel structure comprises the following steps:
firstly, fixing a steel material, placing the steel material at the upper end of a placing table 4, driving the steel material on the placing table 4 to rotate by starting a first servo motor 5, starting a second electric push rod 10 during clamping, enabling a clamping plate 11 at one end of the second electric push rod to clamp and fix the steel material at the upper end of the placing table 4, and enabling the clamping plate 11 to drive the steel material to rotate under the driving of a second servo motor 9;
when the steel material is magnetized, each surface of the steel material can be close to the magnetizing coil 15 through the cooperation of the placing table 4 and the clamping plate 11, the third servo motor 16 is started, so that the horizontal adjusting device 13 drives the magnetizing coil 15 to vertically move, and when the steel material is magnetized in the vertical direction, the fourth servo motor 28 is started, so that the magnetizing coil 15 horizontally moves in a reciprocating mode, and the magnetization of the steel material in the transverse direction is realized;
step three, when wet detection is used, only a water pipe is connected to a storage tank in which magnetic suspension exists, and the magnetic suspension is sprayed to the steel material through a magnetic suspension spray head 19 by using a booster pump;
step four, in the process of wet detection, the through hole 31 of the adjusting plate 25 is overlapped with the magnetic suspension recovery hole 33 by pulling the adjusting plate 25, at this time, other parts of the adjusting plate 25 seal the magnetic powder recovery hole 34, and redundant magnetic suspension is collected to the first recovery box 23 through the magnetic suspension recovery pipe 35, so that recovery of the magnetic suspension is realized;
step five, when dry detection is used, the air compressor 38 is started, the air compressor 38 pressurizes external air, high-pressure air is conveyed to the magnetic powder spray head 20 positioned in the shell 1 through the air conveying pipe 22, magnetic powder in the magnetic powder storage tank takes the air compressed by the air compressor 38 as power, and the magnetic powder is sprayed out through the magnetic powder spray head 20 through the powder conveying pipe 21 through negative pressure formed in the magnetic powder spray head 20 by high-speed movement of air flow at the spray head of the magnetic powder spray head 20, so that the adhesion to the surface of a steel structure is realized;
step six, in the dry detection process, the through hole 31 of the adjusting plate 25 is overlapped with the magnetic powder recovery hole 34 by pulling the adjusting plate 25, at this time, other parts of the adjusting plate 25 seal the magnetic suspension recovery hole 33, the negative pressure fan 37 is started, the magnetic powder recovery tube 36 generates suction force upwards, and the magnetic powder is stored in the second recovery box 24 through the magnetic powder recovery tube 36.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a steel construction all-round detection's magnetic powder detection device, includes shell (1), its characterized in that: the inside of shell (1) is provided with detection chamber (2), the fixed supporting seat (3) that is provided with in bottom of detection chamber (2), place platform (4) are installed in the top rotation of supporting seat (3), the both sides of detection chamber (2) are all fixed and are provided with first electric putter (6), and first electric putter (6) are provided with two, the upper end of first electric putter (6) all is provided with mounting panel (7), rotating disk (8) are installed in the inside rotation of mounting panel (7), both sides of detection chamber (2) front and back end all are provided with perpendicular adjusting device (12), and perpendicular adjusting device (12) and shell (1) pass through the bolt fastening, install horizontal adjusting device (13) between perpendicular adjusting device (12), magnetizing coil (15) are installed to one end of horizontal adjusting device (13), magnetizing coil (15) top is provided with magnetic suspension shower nozzle (19) and shower nozzle (20) respectively, the both sides case of the inside lower extreme of shell (1) all is provided with mounting panel (7), first recovery motor (23) are installed in the both sides case (23), first recovery case (24) are installed with first recovery motor (5) and are connected with first recovery platform (4) and are placed in the back end (5), one side fixed mounting of rolling disc (8) has second electric putter (10), and second electric putter (10) install two, the equal fixed mounting of one end of second electric putter (10) has splint (11), the one end fixed mounting that second electric putter (10) was kept away from to mounting panel (7) has second servo motor (9), and the output shaft and rolling disc (8) fixed connection of second servo motor (9).
2. The magnetic powder detection device for omnibearing detection of steel structure according to claim 1, wherein: the inside of perpendicular adjusting device (12) is all rotated and is installed first lead screw (14), and is connected through the drive belt transmission between first lead screw (14), one side fixed mounting of perpendicular adjusting device (12) upper end has third servo motor (16), and the output shaft of third servo motor (16) and the upper end fixed connection of one of them first lead screw (14), the both ends and the first lead screw (14) looks adaptation of level adjusting device (13), second lead screw (27) are installed in the inside rotation of level adjusting device (13), fourth servo motor (28) are installed to the one end of second lead screw (27), the rear end and the second lead screw (27) looks adaptation of magnetizing coil (15).
3. The magnetic powder detection device for omnibearing detection of steel structure according to claim 2, wherein: the upper end inside shell (1) is installed slider (17), slider (18) are installed to slider (17)'s outside slidable mounting, and slider (18) are installed two, slider (18) are respectively with magnetic suspension shower nozzle (19) and magnetic powder shower nozzle (20) fixed connection.
4. A magnetic particle testing device for omnibearing detection of steel structure according to claim 3, characterized in that: the rear end of shell (1) is provided with magnetic powder storage tank (26), and magnetic powder storage tank (26) are fixed through defeated powder pipe (21) seal with magnetic powder shower nozzle (20), the lower extreme of magnetic powder storage tank (26) is provided with air compressor (38), and air compressor (38) are fixed through gas-supply pipe (22) seal with magnetic powder shower nozzle (20).
5. The magnetic powder detection device for omnibearing detection of steel structure according to claim 4, wherein: the utility model discloses a magnetic suspension recovery device, including detection chamber (2), recovery chamber (29), fixed plate (32) and magnetic powder recovery hole (34) are provided with, recovery chamber (29) bottom's both sides all are provided with recovery chamber (29), recovery chamber (29)'s upper end is provided with recovery hole (30), and recovery hole (30) are provided with a plurality of, recovery chamber (29)'s inside is provided with regulating plate (25), regulating plate (25) and recovery chamber (29) sliding connection, and the one end of regulating plate (25) extends to the outside of shell (1), the inside of regulating plate (25) is rectangular array and has seted up a plurality of through-holes (31), recovery chamber (29)'s lower extreme is provided with fixed plate (32), the inside of fixed plate (32) is provided with magnetic suspension recovery hole (33) and magnetic powder recovery hole (34) respectively, the magnetic suspension recovery holes (33) and the magnetic powder recovery holes (34) are all provided with a plurality of, the magnetic suspension recovery holes (33) and the magnetic powder recovery holes (34) are distributed at intervals, the magnetic suspension recovery holes (33) and the first recovery box (23) are sealed and fixed through a magnetic suspension recovery pipe (35), the negative pressure fan (37) is installed at the upper end of the second recovery box (24), the negative pressure fan (37) and the magnetic powder recovery holes (34) are sealed and fixed through a magnetic powder recovery pipe (36), and the other end of the negative pressure fan (37) and the second recovery box (24) are sealed and fixed through a connecting pipe.
6. The detection method of the magnetic powder detection device based on the omnibearing detection of the steel structure, according to claim 5, is characterized by comprising the following steps: the method comprises the following steps:
firstly, fixing a steel material, placing the steel material at the upper end of a placing table (4), driving the steel material on the placing table (4) to rotate by starting a first servo motor (5), starting a second electric push rod (10) during clamping, enabling a clamping plate (11) at one end of the second electric push rod to clamp and fix the steel material at the upper end of the placing table (4), and enabling the clamping plate (11) to drive the steel material to rotate under the driving of a second servo motor (9);
when the steel material is magnetized, each surface of the steel material can be close to the magnetizing coil (15) through the cooperation of the placing table (4) and the clamping plate (11), the third servo motor (16) is started, the horizontal adjusting device (13) drives the magnetizing coil (15) to vertically move, and therefore when the steel material is magnetized in the vertical direction, the fourth servo motor (28) is started, the magnetizing coil (15) horizontally moves in a reciprocating mode, and the magnetization of the steel material in the transverse direction is achieved;
step three, when wet detection is used, only a water pipe is connected to a storage tank with magnetic suspension, and the magnetic suspension is sprayed to the steel material through a magnetic suspension spray head (19) by using a booster pump;
step four, in the wet detection process, through pulling the adjusting plate (25), enabling the through hole (31) of the adjusting plate (25) to coincide with the magnetic suspension recovery hole (33), closing the magnetic powder recovery hole (34) at the other part of the adjusting plate (25), and collecting redundant magnetic suspension to the first recovery box (23) through the magnetic suspension recovery pipe (35) to realize recovery of the magnetic suspension;
when dry detection is used, the air compressor (38) is started, the air compressor (38) pressurizes external air, high-pressure air is conveyed to the magnetic powder spray head (20) positioned in the shell (1) through the air conveying pipe (22), magnetic powder in the magnetic powder storage tank takes the air compressed by the air compressor (38) as power, and the magnetic powder is sprayed out through the magnetic powder conveying pipe (21) and the magnetic powder spray head (20) through negative pressure formed in the magnetic powder spray head (20) through high-speed movement of air flow at the spray head of the magnetic powder spray head (20), so that the adhesion to the surface of a steel structure is realized;
step six, in the dry detection process, through pulling the adjusting plate (25), the through hole (31) of the adjusting plate (25) is overlapped with the magnetic powder recovery hole (34), at the moment, other parts of the adjusting plate (25) are used for sealing the magnetic suspension recovery hole (33), the negative pressure fan (37) is started, the magnetic powder recovery pipe (36) is enabled to generate suction force upwards, and the magnetic powder is stored in the second recovery box (24) through the magnetic powder recovery pipe (36).
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| CN114428086A (en) * | 2021-12-13 | 2022-05-03 | 中国石油化工股份有限公司 | A detection device for oil refining chemical plant air cooler digital ray detection |
| CN114740410B (en) * | 2022-06-10 | 2022-09-02 | 南通三优佳磁业有限公司 | Ferrite powder magnetization degree detection equipment and detection process thereof |
| CN115753971B (en) * | 2022-11-17 | 2023-09-15 | 盐城海诺斯自动化设备有限公司 | Multi-station magnetic particle inspection machine |
| CN116626151B (en) * | 2023-07-25 | 2023-11-10 | 连云港市九洲电控设备有限公司 | Magnetic particle inspection device for multi-station detection |
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