CN103743811A - Fluorescent magnetic particle flaw detector for pipe end - Google Patents

Fluorescent magnetic particle flaw detector for pipe end Download PDF

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Publication number
CN103743811A
CN103743811A CN201410007831.1A CN201410007831A CN103743811A CN 103743811 A CN103743811 A CN 103743811A CN 201410007831 A CN201410007831 A CN 201410007831A CN 103743811 A CN103743811 A CN 103743811A
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China
Prior art keywords
idler wheel
magnetic pole
air cylinder
magnetic particle
base
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Granted
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CN201410007831.1A
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Chinese (zh)
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CN103743811B (en
Inventor
陈利祥
周亚艳
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SHANGHAI SHECI FLAW DETECTOR MANUFACTURING Co Ltd
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SHANGHAI SHECI FLAW DETECTOR MANUFACTURING Co Ltd
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Priority to CN201410007831.1A priority Critical patent/CN103743811B/en
Publication of CN103743811A publication Critical patent/CN103743811A/en
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Publication of CN103743811B publication Critical patent/CN103743811B/en
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  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)

Abstract

The invention discloses a fluorescent magnetic particle flaw detector for a pipe end. The fluorescent magnetic particle flaw detector comprises a rack, an upper magnetic pole device and a lower magnetic pole device, wherein each of the upper magnetic pole device and the lower magnetic pole device comprises an air cylinder base, an air cylinder, an idler wheel base, and an idler wheel assembly, wherein the air cylinder is fixed on the air cylinder base and is connected with the idler wheel base through an air cylinder connecting sleeve, the air cylinder base is provided with a guide sleeve, an idler wheel fixing part is connected on the front end surface of the idler wheel base, a guide rod is connected to the rear end surface of the idler wheel base, the guide rod is inserted into the guide sleeve, and the idler wheel assembly is fixed on the idler wheel base. Compared with the prior art, the fluorescent magnetic particle flaw detector has the advantages that (1) upper and lower V-shaped press blocks at the front end are changed into double nylon idler wheels which can rotate while pressing, so that the pipe end is prevented from jumping up and down so as not to damage a workpiece and an iron core of a coil; (2) the upper magnetic pole and the lower magnetic pole can be adjusted so as to get close to the workpieces of different diameters, so that the sensitivity of magnetic powder inspection is improved; (3) a composite rotating magnetic field is formed on the surface of a steel pipe through a magnetizing method; (4) due to internal magnetization of the coil, the problem of magnetic shielding in longitudinal magnetization of the coil is solved, and the internal surface magnetization effect is guaranteed.

Description

A kind of pipe end fluorescent magnetic particle inspection machine
Technical field
The present invention relates to a kind of defectoscope, relate in particular to a kind of pipe end fluorescent magnetic particle inspection machine.
Background technology
The V-arrangement briquetting of traditional pipe end fluorescent magnetic particle inspection machine plays location and electric action to workpiece.When turning of work piece, upper and lower V-arrangement briquetting must depart from workpiece, and pipe end is beated because rotation causes, the interior magnetization central guiding rod that can collide with causes damage; The lower magnetic pole of tradition defectoscope is fixed, and cannot regulate, and because specification of workpieces is not of uniform size, cause lower magnetic pole sometimes from workpiece too away from.Tradition defectoscope adopts central guiding rod and outside V-arrangement briquetting conduction, is easily created in the generation of steel pipe surfaces externally and internally and burns, and there is no interior magnetizing coil, causes pipe end circumferencial direction magnetization poor effect.
Summary of the invention
The present invention, in order to solve the above-mentioned deficiency of prior art, provides a kind of pipe end fluorescent magnetic particle inspection machine.
Above-mentioned purpose of the present invention realizes by following technical scheme: a kind of pipe end fluorescent magnetic particle inspection machine, it is characterized in that: comprise frame, upper set of poles and lower magnetic pole device, described upper and lower set of poles includes cylinder block, cylinder, roller mount, roll wheel assembly, cylinder is fixed on cylinder block, and be connected with roller mount by cylinder adapter sleeve, cylinder block is provided with guide pin bushing, roller mount front end face connects roller fixture, rear end face is connected with guide rod, guide rod inserts guide pin bushing, and roll wheel assembly is fixed in roller mount.
Described frame is provided with interior magnetizing coil assembly, interior magnetizing coil assembly comprises fixed head, adjustable plate, adjusting screw(rod) and handwheel, and described fixed head is provided with block, and adjustable plate is provided with the screw that adjusting screw(rod) is used, and being fixed with plug, described adjusting screw(rod) upper end connects handwheel.
The present invention's advantage is compared with prior art:
(1) the upper and lower V-type briquetting of front end changes two nylon rollers into and when compressing, realizes rotation, thereby can not cause bob in order to avoid cause the damage to workpiece and iron-core coil.
(2) upper and lower magnetic pole is adjustable, makes upper and lower magnetic pole near workpiece, improves the sensitivity of magnetic powder inspection.
(3) do not adopt the method for energising, adopt logical magnetism method to form composite rotating magnetic field in steel tube surface.At surface of the work, do not produce and to burn and the defect such as arcing.
(3) interior magnetizing coil solves the magnetic shielding of longitudinal magnetization coil, guarantees inside surface magnetization effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the cross-sectional view at A-A place in Fig. 1.
Fig. 3 is the structural representation of magnetizing coil assembly in the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 1 and Figure 2, a kind of pipe end fluorescent magnetic particle inspection machine, it is characterized in that: comprise frame 1, upper set of poles 2 and lower magnetic pole device 3, described upper set of poles 2 comprises cylinder block 21, cylinder 22, roller mount 23, roll wheel assembly 24, cylinder 22 is fixed on cylinder block 21, and be connected with roller mount 23 by cylinder adapter sleeve 25,22, cylinder is provided with guide pin bushing 26, roller mount 23 front end faces connect roller fixture 27, rear end face is connected with guide rod 28, guide rod 28 inserts guide pin bushing 26, and roll wheel assembly 24 is fixed on roller fixture 27; Described lower magnetic pole device 3 comprises cylinder block 31, cylinder 32, roller mount 33, roll wheel assembly 34, cylinder 32 is fixed on cylinder block 31, and be connected with roller mount 33 by cylinder adapter sleeve 35,32, cylinder is provided with guide pin bushing 36, roller mount 33 front end faces connect roller fixture 37, rear end face is connected with guide rod 38, and guide rod 38 inserts guide pin bushing 36, and roll wheel assembly 34 is fixed on roller fixture 37.
As shown in Figure 1, Figure 3, described frame 1 is provided with interior magnetizing coil assembly 4, interior magnetizing coil assembly 4 comprises fixed head 41, adjustable plate 42, adjusting screw(rod) 43 and handwheel 44, described fixed head 41 is provided with block 45, adjustable plate 42 is provided with the screw 46 that adjusting screw(rod) is used, and being fixed with plug 47, described adjusting screw(rod) 43 upper ends connect handwheel 44.
Above-mentioned embodiment is exemplary, is to be this patent to be comprised to the restriction of scope in order better to make those skilled in the art can understand this patent, can not to be interpreted as; So long as according to spirit that this patent discloses do be anyly equal to change or modify, all fall into the scope that this patent comprises.

Claims (2)

1. a pipe end fluorescent magnetic particle inspection machine, it is characterized in that: comprise frame, upper set of poles and lower magnetic pole device, described upper and lower set of poles includes cylinder block, cylinder, roller mount, roll wheel assembly, cylinder is fixed on cylinder block, and is connected with roller mount by cylinder adapter sleeve, and cylinder block is provided with guide pin bushing, roller mount front end face connects roller fixture, rear end face is connected with guide rod, and guide rod inserts guide pin bushing, and roll wheel assembly is fixed in roller mount.
2. a kind of pipe end fluorescent magnetic particle inspection machine according to claim 1, it is characterized in that: described frame is provided with interior magnetizing coil assembly, interior magnetizing coil assembly comprises fixed head, adjustable plate, adjusting screw(rod) and handwheel, described fixed head is provided with block, adjustable plate is provided with the screw that adjusting screw(rod) is used, and being fixed with plug, described adjusting screw(rod) upper end connects handwheel.
CN201410007831.1A 2014-01-08 2014-01-08 A kind of fluorescent magnetic particle flaw detector for pipe end Active CN103743811B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410007831.1A CN103743811B (en) 2014-01-08 2014-01-08 A kind of fluorescent magnetic particle flaw detector for pipe end

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410007831.1A CN103743811B (en) 2014-01-08 2014-01-08 A kind of fluorescent magnetic particle flaw detector for pipe end

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CN103743811A true CN103743811A (en) 2014-04-23
CN103743811B CN103743811B (en) 2018-12-25

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112478011A (en) * 2020-11-16 2021-03-12 中国计量大学 Wall-climbing robot with magnetic powder inspection function

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1354133A (en) * 1970-09-09 1974-06-05 Forster F Nondestructive testing device for steel parts
JPS63218854A (en) * 1987-03-09 1988-09-12 Babcock Hitachi Kk Flaw detection apparatus using magnetic powder
WO1993023751A1 (en) * 1992-05-08 1993-11-25 Tiede Gmbh + Co Rissprüfanlagen Device for magnetically detecting flaws in ferromagnetic workpieces
CN200982963Y (en) * 2006-11-15 2007-11-28 潘家亮 Magnetic powder flaw detector for railway vehicle buffer box
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
CN201307100Y (en) * 2008-11-25 2009-09-09 南车戚墅堰机车车辆工艺研究所有限公司 Supporting rotating device for axle magnetic particle testing
CN102353714A (en) * 2011-07-06 2012-02-15 射阳县智能探伤设备有限公司 Pipe-end induction-based magnetic particle flaw detector
CN103018322A (en) * 2012-12-11 2013-04-03 南车长江车辆有限公司 Flaw detection device of buffer spring

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1354133A (en) * 1970-09-09 1974-06-05 Forster F Nondestructive testing device for steel parts
JPS63218854A (en) * 1987-03-09 1988-09-12 Babcock Hitachi Kk Flaw detection apparatus using magnetic powder
WO1993023751A1 (en) * 1992-05-08 1993-11-25 Tiede Gmbh + Co Rissprüfanlagen Device for magnetically detecting flaws in ferromagnetic workpieces
CN200982963Y (en) * 2006-11-15 2007-11-28 潘家亮 Magnetic powder flaw detector for railway vehicle buffer box
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
CN201307100Y (en) * 2008-11-25 2009-09-09 南车戚墅堰机车车辆工艺研究所有限公司 Supporting rotating device for axle magnetic particle testing
CN102353714A (en) * 2011-07-06 2012-02-15 射阳县智能探伤设备有限公司 Pipe-end induction-based magnetic particle flaw detector
CN103018322A (en) * 2012-12-11 2013-04-03 南车长江车辆有限公司 Flaw detection device of buffer spring

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112478011A (en) * 2020-11-16 2021-03-12 中国计量大学 Wall-climbing robot with magnetic powder inspection function

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