CN106248783B - Large-scale closed magnetic yoke type magnetic particle flaw detector for railway wheel set - Google Patents
Large-scale closed magnetic yoke type magnetic particle flaw detector for railway wheel set Download PDFInfo
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- CN106248783B CN106248783B CN201610755533.XA CN201610755533A CN106248783B CN 106248783 B CN106248783 B CN 106248783B CN 201610755533 A CN201610755533 A CN 201610755533A CN 106248783 B CN106248783 B CN 106248783B
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- 239000006249 magnetic particle Substances 0.000 title claims abstract description 35
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 55
- 230000007246 mechanism Effects 0.000 claims abstract description 52
- 238000007689 inspection Methods 0.000 claims abstract description 24
- 230000006698 induction Effects 0.000 claims abstract description 18
- 239000000725 suspension Substances 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 239000007921 spray Substances 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 8
- 230000005415 magnetization Effects 0.000 abstract description 6
- 238000005507 spraying Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000003137 locomotive effect Effects 0.000 description 2
- 239000006247 magnetic powder Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification 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)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The invention discloses a large-scale closed magnetic yoke type magnetic particle inspection machine for railway wheel sets. Comprising the following steps: the magnetic suspension spraying device comprises a base, a large-scale magnetic yoke, a driving closing mechanism, a feeding mechanism, a discharging mechanism and a magnetic suspension spraying head, wherein the large-scale magnetic yoke comprises a fixed magnetic yoke iron core, a movable magnetic yoke iron core and a magnetic yoke magnetic induction coil, the magnetic yoke magnetic induction coil is sleeved on the fixed magnetic yoke iron core after being wound on a framework, and the driving closing mechanism of the closing iron core is positioned on the base and can drive the movable magnetic yoke iron core to move along the transverse direction; the feeding mechanism and the discharging mechanism are arranged on the base; the magnetic suspension spray header is arranged beside the ultraviolet fixing piece below the large-scale magnetic yoke. According to the large-scale closed magnetic yoke type magnetic particle flaw detector for the railway wheel set, the magnetization mode adopts a magnetic induction method of the large-scale closed magnetic yoke, so that the phenomenon that the former equipment adopts an open-close coil and serious ignition is caused by poor closed contact can be avoided, the equipment failure rate is reduced, and the safety production coefficient is improved.
Description
Technical Field
The invention relates to the technical field of flaw detectors, in particular to a large-scale closed magnetic yoke type magnetic powder flaw detector for a railway wheel set.
Background
In the related art, the equipment for carrying out nondestructive inspection on the locomotive wheel set adopts an opening-closing coil to carry out inspection on the locomotive wheel set. In the flaw detection process, the flaw detection equipment adopting the open-close coil drives the movable electric shock through the driving mechanism to enable the open-close coil to be in closed contact and conduction, so that the multi-turn spiral tube coil is formed. In the using process of the flaw detection equipment, because the movable contact exists, when a large current is applied to the opening and closing coil, the ignition burning phenomenon can occur, so that the magnetization current is unstable, and the magnetization effect is influenced.
In addition, the structure of the flaw detection equipment is complex, the reliability of the driving mechanism is low, the driving mechanism and the open-close type coil are in various states, a large space is occupied in the use process, the flaw detection equipment can only detect wheel pairs without other parts on a common wheel shaft, and the wheel pairs which are integrated with other parts on the wheel shaft and applied to subways, light rails and the like cannot be detected.
Disclosure of Invention
The present invention aims to solve, at least to some extent, one of the above technical problems in the prior art. In view of the foregoing, the present invention needs to provide a large-sized closed magnetic yoke type magnetic particle inspection machine for railway wheel sets, which has high inspection accuracy, low equipment failure rate and wide application range.
A large-scale closed yoke type magnetic particle inspection machine for railway wheel sets according to an embodiment of the present invention includes: the magnetic suspension spraying device comprises a base, a large-scale magnetic yoke, a driving closing mechanism, a feeding mechanism, a discharging mechanism, a magnetic suspension spraying head and an ultraviolet lamp fixing piece, wherein the large-scale magnetic yoke comprises a fixed magnetic yoke iron core, a movable magnetic yoke iron core and a magnetic yoke magnetic induction coil, the magnetic yoke magnetic induction coil is sleeved on the fixed magnetic yoke iron core after being wound on a framework, and the driving closing mechanism is positioned on the base and can drive the movable magnetic yoke iron core to move along the transverse direction; the feeding mechanism and the discharging mechanism are arranged on the base; the magnetic suspension spray header and the ultraviolet lamp are disposed adjacent to the large-scale magnetic yoke.
According to the large-scale closed magnetic yoke type magnetic particle flaw detector for the railway wheel set, the magnetization mode adopts a magnetic induction method of the large-scale closed magnetic yoke, so that the phenomenon that the former equipment adopts an open-close coil and serious ignition is caused by poor closed contact can be avoided, the equipment failure rate is reduced, and the safety production coefficient is improved. In addition, the large-scale closed magnetic yoke type magnetic particle flaw detector has better universality due to the adoption of the large-scale closed magnetic yoke type magnetic particle flaw detector, and can be used for flaw detection of wheel sets of railway trucks, buses, motor cars, high-speed rails, inter-urban rail transit and subways.
The large-scale closed magnetic yoke type magnetic particle flaw detector for the railway wheel set, provided by the embodiment of the invention, has the following additional technical characteristics:
according to an embodiment of the present invention, the fixed yoke core includes: first yoke iron core, second yoke iron core and yoke third yoke iron core, portable yoke iron core includes at least one of fourth yoke iron core and fifth yoke iron core, first yoke iron core is arranged along transverse direction, the second yoke iron core is connected the one end of first yoke iron core and downwardly extending, the third yoke iron core is connected the other end of first yoke iron core and downwardly extending, the second yoke iron core with the lower extreme of third yoke iron core is fixed respectively on the base, the fourth yoke iron core with yoke second yoke iron core lower part is connected and is extended along transverse direction, the fifth yoke iron core with third yoke iron core lower part is connected and with fourth yoke iron core sets up relatively.
According to one embodiment of the invention, a plurality of magnetic induction coils of the magnetic yoke are arranged on the first magnetic yoke iron core at intervals.
According to an embodiment of the present invention, the fourth and fifth yoke cores are each movable yoke core.
According to one embodiment of the invention, the driving closing mechanism is a cylinder, a cylinder body of the cylinder is fixed on the base, and a telescopic rod of the cylinder is connected with the movable magnetic yoke iron core.
According to one embodiment of the invention, the large-scale closed magnetic yoke type magnetic particle inspection machine of the railway wheel set further comprises a positioning device, wherein the positioning device comprises a positioning frame and a guide assembly arranged on the positioning frame, the positioning frame is connected with the base, and the movable magnetic yoke iron core is matched with the guide assembly.
According to one embodiment of the invention, the guide assembly is a plurality of guide wheels which are distributed on the upper side and the lower side of the movable yoke core at intervals, and each guide wheel is abutted against the movable yoke core.
According to one embodiment of the invention, the large-scale closed magnetic yoke type magnetic particle inspection machine for railway wheel sets comprises a clamping mechanism, wherein the clamping mechanism comprises a motor, a chain wheel, a first positioning shaft, a first flange, a second flange, a positioning connecting shaft, a positioning bearing seat and a second positioning shaft, the motor is arranged on a base, the motor drives the first positioning shaft to rotate through the chain wheel, one end of the first positioning shaft is connected with one end of the positioning connecting shaft connected to the positioning bearing seat through the first flange and the second flange, and the other end of the positioning connecting shaft is connected with the second positioning shaft.
According to one embodiment of the invention, the railway wheel set large-scale closed magnetic yoke type magnetic particle inspection machine further comprises a feeding mechanism, wherein the feeding mechanism comprises a feeding frame, a feeding cylinder, a feeding pushing arm, a feeding transmission shaft, a feeding swing arm, a feeding support fixed on the feeding frame, a fixing pin, a feeding roller and a stopping block; the cylinder body of the feeding cylinder is arranged at one end of the feeding frame; the telescopic rod of the feeding cylinder is pivotally connected with one end of the feeding push arm; the other end of the feeding push arm is in pivot connection with one end of the feeding swing arm through the feeding transmission shaft, the feeding transmission shaft is positioned on the feeding support, the other end of the feeding swing arm is connected with the feeding roller, and one side of the feeding swing arm is connected with the stopping block through the fixing pin.
According to one embodiment of the invention, the feeding mechanism comprises a feeding cylinder, a first rotating shaft, a feeding pushing arm and a second rotating shaft; the cylinder body of the feeding cylinder is pivotally arranged on the base; the telescopic rod of the feeding cylinder is pivotally connected with one end of the feeding pushing arm through the first rotating shaft; the other end of the feeding pushing arm is pivotally connected with the base through the second rotating shaft.
Drawings
Fig. 1 is a schematic structural view of a large-sized closed yoke type magnetic particle inspection machine for railway wheel sets according to an embodiment of the present invention.
Fig. 2 is a side view of a large-sized closed yoke type magnetic particle inspection machine for railway wheel sets according to an embodiment of the present invention.
Fig. 3 is a top view of a large-sized closed yoke type magnetic particle inspection machine for railway wheel sets according to an embodiment of the present invention.
Fig. 4 is a partial enlarged view at a in fig. 3.
Fig. 5 is a schematic structural view of a feeding mechanism of a large-sized closed yoke type magnetic particle inspection machine for railway wheel sets according to an embodiment of the present invention.
Fig. 6 is a schematic structural view of a loading mechanism and a unloading mechanism of a large-sized closed yoke type magnetic particle inspection machine for railway wheel sets according to an embodiment of the present invention.
Reference numerals: the feeding device comprises a base, a 2-large-sized magnet yoke, a 3-driving closing mechanism, a 4-feeding mechanism, a 5-blanking mechanism, a 21-fixed magnet yoke core, a 22-movable magnet yoke core, a 23-magnet yoke magnetic induction coil, a 211-first magnet yoke core, a 212-second magnet yoke core, a 213-third magnet yoke core, a 221-fourth magnet yoke core, a 222-fifth magnet yoke core, a 31-cylinder, a 32-telescopic rod, a 7-positioning device, a 71-positioning frame, a 72-guiding assembly, a 73-guiding wheel, an 8-clamping mechanism, a 81-motor, a 82-sprocket, a 83-first positioning shaft, a 84-first flange, a 85-second flange, a 86-positioning connecting shaft, a 87-positioning bearing seat, a 88-second positioning shaft, a 9-feeding mechanism, a 91-feeding frame, a 92-feeding cylinder, a 93-feeding push arm, a 94-feeding transmission shaft, a 95-feeding swing arm, a 96-feeding support, a 97-fixing pin, a 98-feeding roller, a 99-retaining block, a 41-feeding cylinder, a 42-first feeding shaft, a 43-feeding shaft and a 44-feeding shaft.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
As shown in fig. 1 to 6, a large-sized closed yoke type magnetic particle inspection machine for railway wheel sets according to an embodiment of the present invention includes: base 1, large-scale yoke 2, drive closing mechanism 3, feed mechanism 4, unloading mechanism 5, magnetic suspension shower head (not shown) and ultraviolet lamp mounting (not shown).
Specifically, the large-sized yoke 2 includes a fixed yoke core 21, a movable yoke core 22, and a yoke magnetic induction coil 23, and the yoke magnetic induction coil 23 is wound around a bobbin and is fitted over the fixed yoke core 21.
The driving closing mechanism 3 is positioned on the base 1 and can drive the movable yoke core 22 to move along the transverse direction so as to enable the large yoke 2 to be switched between a position of magnetic conduction with a workpiece and a position of magnetic disconnection. The feeding mechanism 4 and the discharging mechanism 5 are arranged on the base 1 to move the wheel set to be detected to and from the position to be detected. The magnetic suspension shower head (not shown) and the ultraviolet lamp (not shown) are disposed adjacent to the large yoke 2, and for example, may be disposed on a side surface of the large yoke 2 or may be disposed inside the large yoke 2. So as to spray magnetic suspension or magnetic powder and illuminate the workpiece.
According to the large-scale closed magnetic yoke type magnetic particle flaw detector for the railway wheel set, the magnetization mode adopts a magnetic induction method of the large-scale closed magnetic yoke, so that the phenomenon that the former equipment adopts an open-close coil and serious ignition is caused by poor closed contact can be avoided, the equipment failure rate (due to excessive mechanical actions) is reduced, and the safety production coefficient is improved. In addition, the large-scale closed magnetic yoke type magnetic particle flaw detector has better universality due to the adoption of the large-scale closed magnetic yoke type magnetic particle flaw detector, and can be used for flaw detection of wheel sets of railway trucks, buses, motor cars, high-speed rails, inter-urban rail transit and subways.
The large-scale closed magnetic yoke type magnetic particle flaw detector for the railway wheel set, disclosed by the embodiment of the invention, has a wider application range (a plurality of wheel sets cannot meet the conditions because of a middle gear box, a axle box, a brake disc and the like of the wheel sets, and conventional open-close coil flaw detection equipment cannot meet the conditions), and can meet the flaw detection of the wheel sets of various types.
In addition, according to the large-scale closed magnetic yoke type magnetic particle flaw detector for the railway wheel set, the railway wheel set can be fully automatically detected, the work of flaw detectors in a darkroom can be reduced as much as possible, the labor intensity of the flaw detectors is reduced, and the detection quality and the detection precision can be improved.
As shown in fig. 1, according to an embodiment of the present invention, a fixed yoke core 21 includes: the first, second, and third yoke cores 211, 212, and 213, the movable yoke core 22 includes at least one of a fourth yoke core 221 and a fifth yoke core 222, and for example, according to one embodiment of the present invention, the fourth and fifth yoke cores 221 and 222 may each be a movable yoke core. Thus, it is possible to accommodate different wheel set lengths, facilitating movement of the two movable yoke cores 22.
Wherein, the first yoke core 211 is arranged along the transverse direction, the second yoke core 212 is connected at one end of the first yoke core 211 and extends downwards, the third yoke core 213 is connected at the other end of the first yoke core 211 and extends downwards, the lower ends of the second yoke core 212 and the third yoke core 213 are respectively fixed on the base 1, the fourth yoke core 221 is connected with the lower part of the second yoke core 212 and extends along the transverse direction, and the fifth yoke core 222 is connected with the lower part of the third yoke core 213 and is opposite to the fourth yoke core 221. Therefore, according to the structure of the arrangement mode, the structure is simple, the occupied space is small, and the device is suitable for flaw detection of various wheel pairs. In addition, the arrangement of the structure in the flaw detection process is convenient for constructing a corresponding magnetization path with a workpiece.
As shown in fig. 1, according to an embodiment of the present invention, a plurality of yoke magnetic induction coils 23 are provided at intervals on a first yoke core 211. It can be appreciated that when the plurality of magnetic yoke induction coils 23 are arranged on the first magnetic yoke core 211 at intervals, no magnetic induction coils are arranged on other cores, so that the space reserved for the wheel set to be detected is larger, and the application range of the large closed magnetic yoke type magnetic particle flaw detector for the railway wheel set is wider.
As shown in fig. 1, according to an embodiment of the present invention, the driving closing mechanism 3 is a cylinder 31, a cylinder body of the cylinder 31 is fixed to the base 1, and a telescopic rod 32 of the cylinder 31 is connected to the movable yoke core 22. Thereby, the structure of the driving closing mechanism 3 is simpler, the implementation is relatively easy, and a reliable driving force can be provided for the movable yoke core 22.
As shown in fig. 1, according to an embodiment of the present invention, the large-sized closed yoke type magnetic particle inspection machine for railway wheel sets may further include a positioning device 7, wherein the positioning device 7 includes a positioning frame 71 and a guide assembly 72 provided on the positioning frame 71, the positioning frame 71 is connected with the base 1, and the movable yoke core 22 is matched with the guide assembly 72. Therefore, by arranging the positioning device 7, the movable magnetic yoke iron core 22 can be positioned, so that the movable magnetic yoke iron core 22 operates more stably, and the reliability of the railway wheel set in the operation process of the large-scale closed magnetic yoke type magnetic particle flaw detector is improved.
As shown in fig. 1, according to an embodiment of the present invention, the guide assembly 72 is a plurality of guide wheels 73 spaced apart from each other on both upper and lower sides of the movable yoke core 22, and each guide wheel 73 abuts against the movable yoke core 22. Thereby, the guide wheel 73 can facilitate movement of the movable yoke core 22 while providing support for the movable yoke core 22.
As shown in fig. 3 and 4, the large-sized closed yoke type magnetic particle inspection machine for railway wheel sets according to an embodiment of the present invention further comprises a clamping mechanism 8, wherein the clamping mechanism 8 comprises a motor 81, a sprocket 82, a first positioning shaft 83, a first flange 84, a second flange 85, a positioning coupling shaft 86, a positioning bearing seat 87 and a second positioning shaft 88, the motor 81 is arranged on the base 1, the motor 81 drives the first positioning shaft 83 to rotate through the sprocket 82, one end of the first positioning shaft 83 is connected with one end of the positioning coupling shaft 86 connected to the positioning bearing seat 87 through the first flange 84 and the second flange 85, and the other end of the positioning coupling shaft 86 is connected with the second positioning shaft 88. So that the wheel set to be detected can be stably fixed on the base 1.
As shown in fig. 2 and 5, according to an embodiment of the present invention, the railway wheel set large-sized closed yoke type magnetic particle inspection machine further includes a feeding mechanism 9, and the feeding mechanism 9 includes a feeding frame 91, a feeding cylinder 92, a feeding push arm 93, a feeding transmission shaft 94, a feeding swing arm 95, a feeding support 96, a fixing pin 97, a feeding roller 98, and a stopping block 99. The cylinder body of the feeding cylinder 92 is provided at one end of the feeding frame 91; the telescopic rod of the feeding cylinder 92 is pivotally connected with one end of the feeding push arm 93; the other end of the feeding push arm 93 is pivotally connected with one end of a feeding swing arm 95 through a feeding transmission shaft 94, the feeding transmission shaft 94 is positioned on a feeding support 96, the other end of the feeding swing arm 95 is connected with a feeding roller 98, and one side of the feeding swing arm 95 is connected with a backstop block 99 through a fixing pin 97. Therefore, the labor intensity of flaw detection workers can be reduced, and automatic feeding is realized.
As shown in fig. 2 and 6, the feeding mechanism 4 includes a feeding cylinder 41, a first feeding shaft 42, a feeding push arm 43, and a second feeding shaft 44 according to an embodiment of the present invention. The cylinder body of the feeding cylinder 41 is pivotally arranged on the base 1; the telescopic rod of the feeding cylinder 41 is pivotally connected with one end of a feeding push arm 43 through a first rotating shaft 42; the other end of the feeding push arm 43 is pivotally connected with the base 1 through a second rotating shaft 44. The labor intensity of flaw detection workers can be reduced, and automatic feeding is realized.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (6)
1. A large closed yoke type magnetic particle inspection machine for railway wheel sets, comprising: the magnetic suspension magnetic induction device comprises a base, a large-scale magnetic yoke, a driving closing mechanism, a feeding mechanism, a discharging mechanism, a magnetic suspension spray head and an ultraviolet lamp fixing piece, wherein the large-scale magnetic yoke comprises a fixed magnetic yoke iron core, a movable magnetic yoke iron core and a magnetic yoke magnetic induction coil, the magnetic yoke magnetic induction coil is wound on a framework and sleeved on the fixed magnetic yoke iron core, the fixed magnetic yoke iron core comprises a first magnetic yoke iron core, a second magnetic yoke iron core and a third magnetic yoke iron core, the movable magnetic yoke iron core comprises at least one of a fourth magnetic yoke iron core and a fifth magnetic yoke iron core, the first magnetic yoke iron core is arranged along the transverse direction, the second magnetic yoke iron core is connected with one end of the first magnetic yoke iron core and extends downwards, the third magnetic yoke iron core is connected with the other end of the first magnetic yoke iron core and extends downwards, the fourth magnetic yoke iron core is connected with the lower part of the second magnetic core and extends along the transverse direction, the fifth magnetic yoke iron core is connected with the lower part of the third magnetic yoke iron core and is arranged opposite to the fourth magnetic yoke iron core, the magnetic yoke iron core can move along the transverse direction, and the magnetic yoke magnetic induction coil can move on the base, and the magnetic yoke can move along the fourth magnetic yoke iron core and the magnetic yoke is arranged on the base; the feeding mechanism and the discharging mechanism are arranged on the base; the magnetic suspension spray header and the ultraviolet lamp are arranged close to the large magnetic yoke;
the clamping mechanism comprises a motor, a chain wheel, a first positioning shaft, a first flange, a second flange, a positioning connecting shaft, a positioning bearing seat and a second positioning shaft, wherein the motor is arranged on the base, the motor drives the first positioning shaft to rotate through the chain wheel, one end of the first positioning shaft is connected with one end of the positioning connecting shaft connected to the positioning bearing seat through the first flange and the second flange, and the other end of the positioning connecting shaft is connected with the second positioning shaft.
2. The large-scale closed yoke type magnetic particle inspection machine of railway wheel set according to claim 1, wherein the driving closing mechanism is a cylinder, the cylinder body of the cylinder is fixed on the base, and the telescopic rod of the cylinder is connected with the movable yoke iron core.
3. A large-scale closed yoke type magnetic particle inspection machine according to claim 1, further comprising a positioning device, wherein the positioning device comprises a positioning frame and a guiding component arranged on the positioning frame, the positioning frame is connected with the base, and the movable yoke iron core is matched with the guiding component.
4. A large-scale closed yoke type magnetic particle inspection machine according to claim 3 wherein the guide assembly is a plurality of guide wheels spaced apart on both upper and lower sides of the movable yoke core, each of the guide wheels being in abutment with the movable yoke core.
5. A large-scale closed yoke type magnetic particle inspection machine according to claim 1, further comprising a feeding mechanism, wherein the feeding mechanism comprises a feeding frame, a feeding cylinder, a feeding pushing arm, a feeding transmission shaft, a feeding swing arm, a feeding support fixed on the feeding frame, a fixing pin, a feeding roller and a stopping block; the cylinder body of the feeding cylinder is arranged at one end of the feeding frame; the telescopic rod of the feeding cylinder is pivotally connected with one end of the feeding push arm; the other end of the feeding push arm is in pivot connection with one end of the feeding swing arm through the feeding transmission shaft, the feeding transmission shaft is positioned on the feeding support, the other end of the feeding swing arm is connected with the feeding roller, and one side of the feeding swing arm is connected with the stopping block through the fixing pin.
6. A large-scale closed yoke type magnetic particle inspection machine for railway wheel sets as in claim 1 wherein the loading mechanism comprises a loading cylinder, a first rotating shaft, a loading pushing arm and a second rotating shaft; the cylinder body of the feeding cylinder is pivotally arranged on the base; the telescopic rod of the feeding cylinder is pivotally connected with one end of the feeding pushing arm through the first rotating shaft; the other end of the feeding pushing arm is pivotally connected with the base through the second rotating shaft.
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| CN201610755533.XA CN106248783B (en) | 2016-08-29 | 2016-08-29 | Large-scale closed magnetic yoke type magnetic particle flaw detector for railway wheel set |
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| CN201610755533.XA CN106248783B (en) | 2016-08-29 | 2016-08-29 | Large-scale closed magnetic yoke type magnetic particle flaw detector for railway wheel set |
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| CN114235947B (en) * | 2021-12-23 | 2024-02-06 | 衡阳市金则利特种合金股份有限公司 | Magnetic powder inspection system and inspection method for round bar steel |
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| Publication number | Publication date |
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| CN106248783A (en) | 2016-12-21 |
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Denomination of invention: Large closed magnetic yoke type magnetic particle testing machine for railway wheelsets Granted publication date: 20231205 Pledgee: Bank of China Limited Sheyang Branch Pledgor: SAI FU NDT EQUIPMENT MANUFACTURER CO.,LTD. Registration number: Y2024980002264 |
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