CN106560705B - A kind of gas cylinder original position Magnetic Flux Leakage Inspecting equipment - Google Patents
A kind of gas cylinder original position Magnetic Flux Leakage Inspecting equipment Download PDFInfo
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- CN106560705B CN106560705B CN201610163623.XA CN201610163623A CN106560705B CN 106560705 B CN106560705 B CN 106560705B CN 201610163623 A CN201610163623 A CN 201610163623A CN 106560705 B CN106560705 B CN 106560705B
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- gas cylinder
- magnetic flux
- flux leakage
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- leakage inspecting
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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
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- General Physics & Mathematics (AREA)
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- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The present invention is suitable for technical field of nondestructive testing, a kind of gas cylinder original position Magnetic Flux Leakage Inspecting equipment is provided, including frame, track is equipped at left and right sides of the frame, detection system and sliding support are provided between two tracks, adjustment part up and down is provided on the frame and the sliding support, the equipment further includes two fastening rubber rings being oppositely arranged for clamping gas cylinder, each fastening rubber ring is connected on the adjustment part up and down of respective side by a bearing part, the left and right sides is equipped with one group of driving wheel for driving gas cylinder to roll in the frame, the detection subsystem is located at immediately below gas cylinder to be checked.Present invention employs Magnetic Flux Leakage Inspecting technology, detection efficiency is high, easy to operate, can be used for the production line automated；It is realizing Magnetic Flux Leakage Inspecting simultaneously, is fully taking into account the safety of system, reduce the vibration of gas cylinder；This detection device also adapts to the gas cylinder of a variety of outer diameters and length；This assay device structures is compact, while reducing the land occupation demand of system.
Description
Technical field
The invention belongs to technical field of nondestructive testing more particularly to a kind of gas cylinder original position Magnetic Flux Leakage Inspecting equipment.
Background technique
The gas cylinder of, corrosion flammable for storage transport or the gases such as toxic, on the one hand, its long-term work is in high pressure, shake
It is dynamic, the working environments such as hit, on the other hand, there may be moisture and other corrosion compositions in gas cylinder storage medium, therefore gas cylinder
Require periodic detection.General gas cylinder or cylinder liner, using steel and iron manufacturing, itself has ferromagnetism, it is possible to use
The method of magnetics is detected.
Current common magnetics detection method is classical Magnetic testing.First with the electromagnetic field that coil generates, or
The magnetostatic field that permanent magnet generates to magnetize gas cylinder partially or completely, then in the surface of gas cylinder sprinkling Magnaglo, passes through magnetic powder
Observe the magnetic anomaly of gas cylinder in the aggregation of the surface of gas cylinder.For the method for this classics by many restrictions, that obvious is people
Work operation is excessive, and efficiency is to be improved, and in the case where being in addition equipped with coating or winding material for the surface of gas cylinder, detection is just non-
It is often difficult.
Summary of the invention
In view of the above problems, the purpose of the present invention is to provide a kind of gas cylinder original position Magnetic Flux Leakage Inspecting equipment, it is intended to solve existing
There is gas cylinder Magnetic testing technology detection efficiency low, error-prone, and for some specific undetectable technical problems of gas cylinder.
The present invention adopts the following technical scheme:
The gas cylinder original position Magnetic Flux Leakage Inspecting equipment includes frame, is equipped with track, two tracks at left and right sides of the frame
Between be provided with detection subsystem and sliding support, adjustment part up and down is provided on the frame and the sliding support,
The equipment further includes two fastening rubber rings being oppositely arranged for clamping gas cylinder, and each fastening rubber ring passes through a bearing
Part is connected on the adjustment part up and down of respective side, and the left and right sides is equipped with one group of drive for driving gas cylinder to roll in the frame
Driving wheel, the detection subsystem is located at immediately below gas cylinder to be checked, including Energizing unit, linear transducer array and magnetic field sensor.
The beneficial effects of the present invention are: present device uses Magnetic Flux Leakage Inspecting technology, gas cylinder is mounted on detection device
Afterwards, gas cylinder can rotation, while magnetic field sensor below gas cylinder reads the magnetic leakage signal of the surface of gas cylinder, forms the inspection of gas cylinder leakage field
It surveys, detection efficiency is high, easy to operate, can be used for the production line automated；While realizing Magnetic Flux Leakage Inspecting, fully takes into account and be
The safety of system reduces the vibration of gas cylinder；This detection device also adapts to the gas cylinder of a variety of outer diameters and length；This detection device
It is compact-sized, it is also especially suitable for the detection environment of limited space.
Detailed description of the invention
Fig. 1 is the structure chart of gas cylinder original position Magnetic Flux Leakage Inspecting equipment provided in an embodiment of the present invention；
Fig. 2 is that gas cylinder original position Magnetic Flux Leakage Inspecting equipment removes the structure chart after frame；
Fig. 3 is the structure chart of sliding support；
Fig. 4 is the structure chart for detecting subsystem；
Fig. 5 is the location diagram of Energizing unit, linear transducer array and magnetic field sensor；
Fig. 6 is the location diagram of gas cylinder and detection subsystem.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
In order to illustrate technical solutions according to the invention, the following is a description of specific embodiments.
Gas cylinder original position Magnetic Flux Leakage Inspecting equipment provided in this embodiment includes frame 1, is all provided with rail at left and right sides of the frame 1
Road 2, is provided with detection subsystem 3 and sliding support 4 between two tracks 2, on the frame 1 and the sliding support 4
It is provided with adjustment part 5 up and down, the equipment further includes two fastening rubber rings 6 being oppositely arranged for clamping gas cylinder 100, each
Fastening rubber ring 6 is connected on the adjustment part up and down 5 of respective side by a bearing part 7, and the left and right sides is all provided in the frame 1
There is one group of driving wheel 8 for driving gas cylinder to roll, the detection subsystem 3 is located at immediately below gas cylinder 100 to be checked, including excitation
Unit 31, linear transducer array 32 and magnetic field sensor 33.
In this structure, when needing to detect gas cylinder, gas cylinder is mounted between two fastening rubber rings, gas cylinder and two are tight
Gu rubber ring is coaxial.Two groups of driving wheels are contacted with gas cylinder and/or fastening rubber ring, and the driving wheel is using stepper motor (in figure
It is not shown) driving, under the active force of driving wheel, gas cylinder is rolled in detection device along gas cylinder axis, and axial direction does not occur for gas cylinder
It is mobile.The driving wheel is rubber wheel.Two tracks are parallel with gas cylinder axis, and detection subsystem has power mechanism, can
To move linearly in two interorbitals.
It should be noted that two fastening rubber rings adapt to the both ends shape of gas cylinder respectively.Certain gas cylinders are using recessed
Shape bottom, it is correspondingly convex for being accordingly used in the fastening rubber ring of fixed gas cylinder bottom.
In gas cylinder rotation process, detection subsystem moves linearly in orbit, realizes detection subsystem to gas cylinder table
Face continuous scanning.The detection subsystem includes Energizing unit, linear transducer array and magnetic field sensor.The magnetic field sensor is used
In measurement and feedback control magnetic field strength.When fastening rubber ring not fixed gas cylinder, the exciting current of Energizing unit is reduced, is subtracted
Few energy consumption.Simultaneously when detection subsystem enters gas cylinder end area, also start to control exciting current, to control magnetic field.
Obviously, this detection device further includes electric connecting member and control panel etc., to control gas cylinder revolving speed, detection subsystem
System movement speed, excitation con-trol, magnetic field feedback etc..In addition, setting position sensor in detection subsystem track both ends is (in figure
It is not shown), the moving range in orbit of limitation detection subsystem prevents damage equipment, jeopardizes personal safety.These structures
Do not list one by one.
In this detection device, every group of driving wheel is all mounted in a shaft, and the shaft is mounted on muti-piece set square,
The shaft rotation drives the driving wheel rotation, and the set square installation is on said frame.As preferred structure, described three
Gusset can move left and right, and such two groups of driving wheels can two sides extend out to the left and right or interior shifting is made with adapting to the gas cylinder of different-diameter
Obtaining gas cylinder can be close to linear transducer array.
As a kind of specific structure of the detection subsystem 3, including substrate 34,34 two sides of the substrate setting is dynamic
Wheel 35, the power wheel is driven by stepper motor, and power wheel 35 is located in the track 2 of respective side, and the Energizing unit 31 is U
Type, and two tops slant cutting edge inwardly, to adapt to the surface of gas cylinder radian.The Energizing unit 31 is electromagnet, is located at
In the substrate 34, the linear transducer array 32 is located at 31 center of Energizing unit, and the magnetic field sensor 33 is located at the spy
The center side position of head array 32.
It should be noted that in the present embodiment, within the time that gas cylinder to be checked rotates one week, the linear movement of linear transducer array
Distance is less than linear transducer array length.Partly overlapping for gas cylinder detection is ensured that in this way, in case the surface of gas cylinder detection is omitted,
Entire the surface of gas cylinder can be completely covered.
This detection device is adapted to the gas cylinder detection of different-diameter and length.7 one end of bearing part and fastening rubber ring 6 connect
It connects, the other end is connect with upper and lower adjustment part 5, and fastening rubber ring can be axis rotation with bearing part 7 in this way.The adjustment part up and down
5 for adjusting the position height of two bearing parts, and the height for adjusting bearing part has adjusted the height of two fastening rubber rings, with
Adapt to the centre-height of gas cylinder.The adjustment part up and down can use screw rod, direct rotary screw rod.Certain upper downward
One integral piece 5 can also use other structures, for example directly adopt a straight-bar, and fastening screw is then arranged on straight-bar, unclamp tight
Gu after screw, adjusting the position of bearing part, it is fixed then to tighten fastening screw.This all protection scope of the present invention it
It is interior.For the gas cylinder of different-diameter, central shaft is different at a distance from linear transducer array, and the height by corresponding adjustment bearing part is
It can.For the gas cylinder of different length, sliding support is moved in orbit, is adjusted to suitable position, so that two fastening rubber rings
Gas cylinder can be tightly clamped, to adapt to the length of gas cylinder, adjustment part and sliding support up and down is fixed later, prevents its sliding,
Make gas cylinder that can only do circular-rotation in equipment, prevents the gas cylinder vibration in detection, especially prevent excitation element to gas cylinder
The vibration of gas cylinder caused by pulling force.
As a kind of specific structure of the sliding support 4, including pedestal 41,7 type branch being arranged on the pedestal 41
Frame 42, the adjustment part 5 up and down are passed down through 7 type bracket, 42 top, and 41 two sides of pedestal are provided with idler wheel 43, described
Idler wheel 43 is located in the track of respective side.The track 2 is to be oppositely arranged V-groove up and down, and the power wheel 35 and idler wheel 43 are rigid
It is located in upper and lower V-groove well, so that power wheel 35 and idler wheel 43 can only be moved along track tandem, it will not upper and lower and left and right
Offset, ensure that integrally-built stability.
The direction of motion to guarantee detection subsystem is axially parallel with gas cylinder, as a kind of preferred structure, in the frame 1
It is additionally provided with slide bar 9, the slide bar 9 passes through the substrate of the detection subsystem 3 and the pedestal of sliding support 4, the slide bar
9, the central axis of track 2 and two fastening rubber rings 6 is parallel two-by-two, reduces the torsion of the Energizing unit and linear transducer array in detection
Turn.The slide bar 9 has more, and sliding support 4 can also be fixed on slide bar 9.
It should be noted that the probe of other technologies, such as ultrasonic probe, whirlpool can be added at the both ends of linear transducer array
Stream probe etc. carries out the multinomial detections such as thickness, crackle, defect to gas cylinder.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (8)
1. a kind of gas cylinder original position Magnetic Flux Leakage Inspecting equipment, which is characterized in that the equipment includes frame, at left and right sides of the frame
It equipped with track, is provided between two tracks and detects subsystem and sliding support, on the frame and the sliding support
It is provided with adjustment part up and down, the equipment further includes two fastening rubber rings for being oppositely arranged and being used to clamp gas cylinder, each tight
Gu rubber ring is connected to the adjustment part up and down of respective side by a bearing part, the left and right sides is equipped with one group of use in the frame
In the driving wheel that driving gas cylinder rolls, the detection subsystem is located at immediately below gas cylinder to be checked, including Energizing unit, linear transducer array
And magnetic field sensor, the detection subsystem includes substrate, and the substrate two sides are provided with power wheel, and the power wheel is located at
In the track of respective side, the Energizing unit is located in the substrate, and the linear transducer array is located at the Energizing unit center, institute
The center side position that magnetic field sensor is located at the linear transducer array is stated, the sliding support includes pedestal, is arranged in the base
7 type brackets on seat, the adjustment part up and down are passed down through the 7 type cradle top, and the two sides of base is provided with idler wheel, institute
Idler wheel is stated to be located in the track of respective side.
2. gas cylinder original position Magnetic Flux Leakage Inspecting equipment as described in claim 1, which is characterized in that rotate one week time in gas cylinder to be checked
Interior, the linear movement distance of linear transducer array is less than linear transducer array length.
3. gas cylinder original position Magnetic Flux Leakage Inspecting equipment as claimed in claim 2, which is characterized in that the track is to be oppositely arranged V up and down
Type groove, the power wheel and idler wheel are located just in V-groove up and down.
4. gas cylinder original position Magnetic Flux Leakage Inspecting equipment as claimed in claim 3, which is characterized in that it is additionally provided with slide bar in the frame,
The slide bar passes through the substrate of the detection subsystem and the pedestal of sliding support, the slide bar, track and two fastenings
The central axis of rubber ring is parallel two-by-two.
5. the gas cylinder original position Magnetic Flux Leakage Inspecting equipment as described in claim any one of 1-4, which is characterized in that adjustment part is above and below described
Screw rod.
6. gas cylinder original position Magnetic Flux Leakage Inspecting equipment as claimed in claim 5, which is characterized in that the driving wheel be rubber wheel, two groups
Driving wheel can extend out or interior shifting two sides to the left and right, to adapt to the gas cylinder of different-diameter, so that gas cylinder can be close to linear transducer array.
7. gas cylinder original position Magnetic Flux Leakage Inspecting equipment as claimed in claim 6, which is characterized in that the Energizing unit be it is U-shaped, and two
Top slant cutting edge inwardly.
8. gas cylinder original position Magnetic Flux Leakage Inspecting equipment as claimed in claim 7, which is characterized in that be additionally provided with position biography on the track
Sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610163623.XA CN106560705B (en) | 2016-03-22 | 2016-03-22 | A kind of gas cylinder original position Magnetic Flux Leakage Inspecting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610163623.XA CN106560705B (en) | 2016-03-22 | 2016-03-22 | A kind of gas cylinder original position Magnetic Flux Leakage Inspecting equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106560705A CN106560705A (en) | 2017-04-12 |
| CN106560705B true CN106560705B (en) | 2019-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610163623.XA Active CN106560705B (en) | 2016-03-22 | 2016-03-22 | A kind of gas cylinder original position Magnetic Flux Leakage Inspecting equipment |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08145957A (en) * | 1994-11-25 | 1996-06-07 | Sumitomo Metal Ind Ltd | Roll flaw detecting method and roll grinding facility |
| JP2001041932A (en) * | 1999-07-27 | 2001-02-16 | Daido Steel Co Ltd | Leakage flux flaw detecting-apparatus and method for judging defect |
| CN100595580C (en) * | 2007-10-11 | 2010-03-24 | 上海交通大学 | Method for detecting remanent fatigue life of vehicle retired crankshaft |
| CN201196632Y (en) * | 2008-05-07 | 2009-02-18 | 湖南长沙湘仪检测设备有限公司 | On-line automatic detection fluorescence magnetic powder fault detection machine for steel cylinder |
| CN104280456B (en) * | 2014-10-15 | 2017-01-25 | 南通友联数码技术开发有限公司 | System applied to ultrasonic detection of defects of gas cylinders |
| CN105092695B (en) * | 2015-09-14 | 2017-11-28 | 西安建筑科技大学 | A kind of girder steel detection means and application |
| CN105223267B (en) * | 2015-10-12 | 2018-05-29 | 清华大学 | The offline leakage field imaging detection device of ferromagnetic component and method |
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2016
- 2016-03-22 CN CN201610163623.XA patent/CN106560705B/en active Active
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