CN109030620A - A kind of Portable wire rope crack detector - Google Patents
A kind of Portable wire rope crack detector Download PDFInfo
- Publication number
- CN109030620A CN109030620A CN201811002685.8A CN201811002685A CN109030620A CN 109030620 A CN109030620 A CN 109030620A CN 201811002685 A CN201811002685 A CN 201811002685A CN 109030620 A CN109030620 A CN 109030620A
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- bushing
- flaw
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- magnetic pole
- wirerope
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- 238000001514 detection method Methods 0.000 claims abstract description 42
- 239000002184 metal Substances 0.000 claims description 31
- 229910052751 metal Inorganic materials 0.000 claims description 31
- 238000012360 testing method Methods 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000004677 Nylon Substances 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 230000004907 flux Effects 0.000 abstract description 6
- 230000005415 magnetization Effects 0.000 description 6
- 239000004744 fabric Substances 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
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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
- G01N27/85—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 using magnetographic methods
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- 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
A kind of Portable wire rope crack detector, including handheld instrument device, magnetic flaw device and driving device, driving device is mounted on magnetic flaw device and magnetic flaw device is driven to move along wirerope, handheld instrument device is associated with magnetic flaw device and driving device, the magnetic flaw device includes magnetising assembly, flaw detection component and bushing, the both ends of magnetising assembly are provided with a pair of symmetrically arranged bushing, the both ends of flaw detection component are provided with a pair of symmetrically arranged bushing, magnetising assembly, flaw detection component and bushing are structure as a whole by several guide post series connection for being parallel to wirerope, magnetising assembly, flaw detection component is slidably arranged on guide post, bushing is fixed on guide post, the through-hole passed through for wirerope is offered at bushing center, present invention use easy to carry, security performance is preferable, and can ensure detection device with Magnetic flux leakage correlation incudes under contact conditions, to wirerope magnetic flux leakage information collection.
Description
Technical field
The present invention relates to a kind of failure detectors, more particularly, to a kind of Portable wire rope crack detector.
Background technique
In wirerope operational process, fatigue is generated because of the pure mechanical function such as being bent, being stretched, reversed.Fatigue
It not only will form a large amount of fracture of wires, stranded, or even moment can form whole fracture of rope, especially when being broken steel wire and reaching certain amount
It is possible to cause rope-broken accident, the appearance of these problems will necessarily bring great hidden danger to the safe operation of equipment, even
Cause great casualty accident.It is disconnected that a kind of wirerope portable, based on weak magnetic testing principle, that detection efficiency is high is founded thus
Split detection device.Traditional defectoscope needs first to magnetize to be detected afterwards, and mode of operation is comparatively laborious, is held in the detection process to personnel
Radiation is easily caused, detection efficiency is low.
Summary of the invention
The purpose of the present invention is being easy to cause to radiate to testing staff to solve existing detector, detection efficiency is low to be asked
Topic, provides a kind of Portable wire rope crack detector.
The deficiency of the present invention to solve above-mentioned technical problem, used technical solution is:
A kind of Portable wire rope crack detector, including handheld instrument device, magnetic flaw device and driving device, driving device peace
On magnetic flaw device and magnetic flaw device is driven to move along wirerope, handheld instrument device and magnetic flaw device and
Driving device is associated with, and the magnetic flaw device includes that magnetising assembly, flaw detection component and bushing, the both ends of magnetising assembly are set
It is equipped with a pair of symmetrically arranged bushing, the both ends for component of detecting a flaw are provided with a pair of symmetrically arranged bushing, magnetising assembly, flaw detection group
Part and bushing are structure as a whole by several guide post series connection for being parallel to wirerope, and magnetising assembly, flaw detection component slide setting
On guide post, bushing is fixed on guide post, and the through-hole passed through for wirerope is offered at bushing center,
Magnetising assembly includes magnetic pole and a pair of of symmetrically arranged magnetic pole fixed block made of nylon material in interval, and each magnetic pole is solid
Determine block and pass through muti-piece magnetic pole fixed cell to be spliced, magnetic pole fixed block center offers the cord hole for wearing wirerope, magnetic pole
Several equally distributed magnetic pole holes are offered on the excircle of fixed block, the length direction in magnetic pole hole is perpendicular to wirerope, magnetic pole
It is plugged in magnetic pole hole,
Component of detecting a flaw includes a pair of spaced fixed metal plate and several sensors, and fixed metal plate includes that several metal plate units are spelled
It connects, the cord hole for wearing wirerope is offered at the center of fixed metal plate, the both ends of sensor are each attached to metal plate
On end face, all the sensors complement each other to form one and surround the sensor detection zone that wirerope is in the form of a column.Sensor is using " electricity
The sense magnetic flux variable feedback compensation sensor " technology is from patent CN201020653597.7 and " three-dimensional magnetic induction bridge skill
Art is from patent CN201020633488.9, electromagnetic induction high sensitivity, signal-to-noise ratio height.Multiple sensor outer housings are circumferentially equal
Cloth both guarantees the investigative range for detecting body, ensures that the damage test leakage that will not be located among sensor.Component detect a flaw by four pieces
The fixed metal plate composition of semicircular sensor, metal plate have aperture to be used to be installed on guide post, and there are also sensor fixing holes, pass through group
It closes installation to fix sensor position, the sensor of variety classes, different number can be tested.There are many sensings of internal diameter specification
Device fixes metal plate, can simulate the detection body of different inner diameters specification, to test the wirerope of different rope diameter specifications.And it senses
Device and magnetising assembly horizontal space are adjustable, and the magnetic field of guarantee magnetising assembly and wirerope is in the sensitive volume of sensor characteristic.
The driving device uses stroke wheel apparatus, and one end of stroke wheel apparatus is mounted on bushing, stroke wheel apparatus
The other end be bonded under the action of the spring on a steel cord, by stroke wheel apparatus drive bushing it is past in rope capacity direction
Multiple movement, to drive magnetic flaw device in the reciprocating motion of rope capacity direction by guide post, stroke under the action of the spring
Wheel apparatus is suitble to the demand of different rope diameters, and stroke wheel apparatus can be unloaded individually and be cleaned.Stroke wheel apparatus is built-in with speed biography
Sensor obtains pulse signal by friction pulley and wirerope frictional rotation, to obtain look-in frequency, detection stroke and damage position
Confidence breath.The velocity sensor that plurality of specifications type can be replaced, the workability of the velocity sensor to test different model
Energy.
The handheld instrument device includes signal processor, display and film key, and signal processor and magnetization are visited
Hurt device to be associated with driving device, signal processor will test information and pass to display, film key and signal processor
Control module be associated in order to control entire defectoscope.
The display uses LCM liquid crystal display die set.
The magnetic pole fixed block is spliced by two semicircle magnetic pole fixed cells, and every two pieces of groups are combined into a circle
Shape fixed disk offers a circle and uniformly divides so as to which opening and closing makes wirerope enter cord hole between two parties on the end face of magnetic pole fixed block
The through-hole for being used to wear guide post of cloth,.
The fixed metal plate of the sensor is formed by the fixed metal plate unit spliced of two semicircular sensors, and every two pieces
Group is combined into a round fixed disk, so as to which opening and closing makes wirerope enter cord hole between two parties, sensor is fixed on the end face of metal plate
It is equally distributed for wearing the through-hole of guide post to offer a circle.The beneficial effects of the present invention are: present invention use easy to carry,
Security performance is preferable, and can ensure that detection device under induction contact conditions related to magnetic flux leakage, is believed wirerope magnetic flux leakage
Breath acquisition.The device single can complete that wire rope standard is changed traditional first magnetize and detected afterwards in non-stop-machine situation
Troublesome operation mode, synchronously complete magnetization and detection, it is radiationless to personnel, actively plan wirerope magnetic field environment, raising is examined
Survey efficiency.The magnetising assembly and detection body that the present apparatus can verify the portable integrated detection device of wirerope are in different distance
Curve characteristic and detection effect.Magnetising assembly in magnetic flaw device can also use the magnetic of different size, different number
Column is to adjust the intensity of magnetization.Detecting a flaw component simultaneously can be with supporting various specifications, the sensor of different number.Mainboard class can be replaced
Type, velocity sensor type etc..By adjusting the test record under parameters progress different situations, passes through analysis and test number
According to it can be found that the intensity of magnetization, magnetising assembly and detection body distance, sensor type, number of sensors, sensor arrangement mode
Etc. the combination of parameters and influence of the component to testing result of different model specification, to determination parameter the most suitable, selection
Component the most suitable.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Diagram label: 1, bushing, 101, through-hole, 102, guide pillar hole, 103, threaded hole, 104, fixing bolt, 2, guide post, 3,
Flaw detection component, 301, fixed metal plate, 302, sensor, 4, magnetising assembly, 401, magnetic pole, 402, magnetic pole fixed block, 5, driving dress
It sets.
Specific embodiment
Shown in Fig. 1, specific embodiment is as follows:
A kind of Portable wire rope crack detector, including handheld instrument device, magnetic flaw device and driving device 5, driving device 5
It is mounted on magnetic flaw device and magnetic flaw device is driven to move along wirerope, handheld instrument device and magnetic flaw device
Be associated with driving device, the magnetic flaw device include magnetising assembly 4, flaw detection component 3 and bushing 1, bushing 1 can root
The bushing of different model is used according to situation, the both ends of magnetising assembly 4 are provided with a pair of symmetrically arranged bushing 1, flaw detection component 3
Both ends are provided with a pair of symmetrically arranged bushing 1, and magnetising assembly 4, flaw detection component 3 and bushing 1 are parallel to wirerope by several
Guide post 2 series connection be structure as a whole, magnetising assembly 4, flaw detection component 3 be slidably arranged on guide post 2, bushing 1 is fixed on guide post 2
On, the through-hole 101 passed through for wirerope is offered at bushing center, and several guide posts for wearing guide post are offered on the end face of bushing
Hole 102 offers several threaded holes 103 perpendicular to guide pillar hole on the periphery of bushing, by the installation for being threaded through threaded hole
Bolt holds out against guide post and realizes that guide post and bushing are fixed, and bushing is spliced using two semicircular structures, passes through fixation after splicing
Both limitations of bolt 104 are freely separating,
Magnetising assembly 4 includes that magnetic pole 401 and a pair are spaced the symmetrically arranged magnetic pole fixed block 402 made of nylon material, often
A magnetic pole fixed block 402 is spliced by muti-piece magnetic pole fixed cell, and 402 center of magnetic pole fixed block, which offers, wears steel wire
The cord hole of rope offers several equally distributed magnetic pole holes on the excircle of magnetic pole fixed block, and the length direction in magnetic pole hole is vertical
In wirerope, magnetic pole 401 is plugged in magnetic pole hole,
Component 3 of detecting a flaw includes a pair of spaced fixed metal plate 301 and several sensors 302, and fixed metal plate 301 includes several
Metal plate unit spliced forms, and the cord hole for wearing wirerope is offered at the center of fixed metal plate 301, and the both ends of sensor are equal
It is fixed on the end face of fixed metal plate, all the sensors complement each other to form one and surround the sensor detection that wirerope is in the form of a column
Area.Sensor using " inductive magnetic flux variable feedback compensation sensor " technology from patent CN201020653597.7 and
" three-dimensional magnetic induction bridge technology is from patent CN201020633488.9, electromagnetic induction high sensitivity, signal-to-noise ratio height.It is multiple
Sensor outer housing is circumferentially uniformly distributed, both guarantees the investigative range for detecting body, ensures that the damage that will not be located among sensor
Test leakage.Component of detecting a flaw includes the fixed metal plate of four pieces of semicircular sensors, and metal plate has aperture to be used to be installed on guide post, and there are also pass
Sensor position is fixed by combination installation, can test the sensor of variety classes, different number by sensor fixation hole.Have
The fixed metal plate of the sensor of a variety of internal diameter specifications, can simulate the detection body of different inner diameters specification, to test different rope diameter rule
The wirerope of lattice.And sensor and magnetising assembly horizontal space are adjustable, guarantee that the magnetic field of magnetising assembly and wirerope is sensing
The characteristic sensitive volume of device.
The driving device 5 uses stroke wheel apparatus, and one end of stroke wheel apparatus is mounted on bushing, stroke wheel apparatus
The other end be bonded under the action of the spring on a steel cord, by stroke wheel apparatus drive bushing it is past in rope capacity direction
Multiple movement, to drive magnetic flaw device in the reciprocating motion of rope capacity direction by guide post, stroke under the action of the spring
Wheel apparatus is suitble to the demand of different rope diameters, and stroke wheel apparatus can be unloaded individually and be cleaned.Stroke wheel apparatus is built-in with speed biography
Sensor obtains pulse signal by friction pulley and wirerope frictional rotation, to obtain look-in frequency, detection stroke and damage position
Confidence breath.The velocity sensor that plurality of specifications type can be replaced, the workability of the velocity sensor to test different model
Energy.
The handheld instrument device includes signal processor, display and film key, and signal processor and magnetization are visited
Hurt device to be associated with driving device, signal processor will test information and pass to display, film key and signal processor
Control module be associated in order to control entire defectoscope.
The display uses LCM liquid crystal display die set.
The magnetic pole fixed block is spliced by two semicircle magnetic pole fixed cells, and every two pieces of groups are combined into a circle
Shape fixed disk offers a circle and uniformly divides so as to which opening and closing makes wirerope enter cord hole between two parties on the end face of magnetic pole fixed block
The through-hole for being used to wear guide post of cloth,.
The fixed metal plate of the sensor is formed by the fixed metal plate unit spliced of two semicircular sensors, and every two pieces
Group is combined into a round fixed disk, so as to which opening and closing makes wirerope enter cord hole between two parties, sensor is fixed on the end face of metal plate
It is equally distributed for wearing the through-hole of guide post to offer a circle.
Magnetising assembly is installed into magnetic pole, after flaw detection component installs sensor, magnetising assembly, flaw detection component are installed to
On guide post, in the fixed upper bushing in the both ends of magnetising assembly and component of detecting a flaw, adjustment magnetising assembly and flaw detection inter-module are away from rear, use
Sensor is connected with handheld instrument part and can be detected to wirerope by bus.Driving device drives bushing mobile, lining
Set and the fixed drive guide post movement of guide post, magnetising assembly and flaw detection component slide on guide post at this time, but are located at magnetization group
Part and the bushing at flaw detection component both ends can drag it in wirerope movement, form magnetic field in search coverage by magnetising assembly, sense
Device is input in signal processor after converting electric signal for the magnetic signal of receiving, the output end of signal processor and display
Input terminal is connected, and detection signal data is shown over the display by processing.
The hand-held detection body of testing staff and handheld instrument scan on a steel cord, are not required to shut down, when detection sensor region
When inside there is steel rope core fracture damage, handheld instrument display interface will show abnormal curve, and testing staff's sensor is prompted to cover
It is had damage within the scope of lid, testing staff can shut down and further confirm that at this time.
Technical solution cited by the present invention and embodiment and non-limiting, with technical solution cited by the present invention and
Embodiment is equivalent or effect same approach is all in the range of the present invention is protected.
Claims (6)
1. a kind of Portable wire rope crack detector, including handheld instrument device, magnetic flaw device and driving device, driving device
It is mounted on magnetic flaw device and magnetic flaw device is driven to move along wirerope, handheld instrument device and magnetic flaw device
It is associated with driving device, it is characterised in that: the magnetic flaw device includes magnetising assembly, flaw detection component and bushing, magnetic
The both ends for changing component are provided with a pair of symmetrically arranged bushing, and the both ends for component of detecting a flaw are provided with a pair of symmetrically arranged bushing,
Magnetising assembly, flaw detection component and bushing are structure as a whole by several guide post series connection for being parallel to wirerope, magnetising assembly, flaw detection
Component is slidably arranged on guide post, and bushing is fixed on guide post, and the through-hole passed through for wirerope is offered at bushing center,
Magnetising assembly includes magnetic pole and a pair of of symmetrically arranged magnetic pole fixed block made of nylon material in interval, and each magnetic pole is solid
Determine block and pass through muti-piece magnetic pole fixed cell to be spliced, magnetic pole fixed block center offers the cord hole for wearing wirerope, magnetic pole
Several equally distributed magnetic pole holes are offered on the excircle of fixed block, the length direction in magnetic pole hole is perpendicular to wirerope, magnetic pole
It is plugged in magnetic pole hole,
Component of detecting a flaw includes a pair of spaced fixed metal plate and several sensors, and fixed metal plate includes that several metal plate units are spelled
It connects, the cord hole for wearing wirerope is offered at the center of fixed metal plate, the both ends of sensor are each attached to metal plate
On end face, all the sensors complement each other to form one and surround the sensor detection zone that wirerope is in the form of a column.
2. a kind of Portable wire rope crack detector according to claim 1, it is characterised in that: the driving device uses
One end of stroke wheel apparatus, stroke wheel apparatus is mounted on bushing, and the other end of stroke wheel apparatus is bonded under the action of the spring
On a steel cord, bushing is driven to move back and forth in rope capacity direction by stroke wheel apparatus, to drive magnetic by guide post
Change failure detector to move back and forth in rope capacity direction.
3. a kind of Portable wire rope crack detector according to claim 1, it is characterised in that: the handheld instrument device
Including signal processor, display and film key, signal processor is associated with magnetic flaw device and driving device, at signal
Reason device will test information and pass to display, and film key is associated with entire in order to control with the control module of signal processor
Defectoscope.
4. a kind of Portable wire rope crack detector according to claim 3, it is characterised in that: the display uses
LCM liquid crystal display die set.
5. a kind of Portable wire rope crack detector according to claim 1, it is characterised in that: the magnetic pole fixed block is logical
It crosses two semicircle magnetic pole fixed cells to be spliced, it is equally distributed for wearing that a circle is offered on the end face of magnetic pole fixed block
If the through-hole of guide post.
6. a kind of Portable wire rope crack detector according to claim 1, it is characterised in that: the fixed metal plate of the sensor
Gold is formed by the fixed metal plate unit spliced of two semicircular sensors, offers a circle on the end face of the fixed metal plate of sensor
The equally distributed through-hole for being used to wear guide post.
Priority Applications (1)
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CN201811002685.8A CN109030620B (en) | 2018-08-30 | 2018-08-30 | Portable wire rope appearance of detecting a flaw |
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CN201811002685.8A CN109030620B (en) | 2018-08-30 | 2018-08-30 | Portable wire rope appearance of detecting a flaw |
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CN109030620A true CN109030620A (en) | 2018-12-18 |
CN109030620B CN109030620B (en) | 2024-05-03 |
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CN201811002685.8A Active CN109030620B (en) | 2018-08-30 | 2018-08-30 | Portable wire rope appearance of detecting a flaw |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113075286A (en) * | 2021-03-30 | 2021-07-06 | 中国矿业大学(北京) | Steel wire rope flaw detector with permanent magnet capable of moving axially |
CN114660258A (en) * | 2022-03-11 | 2022-06-24 | 江阴兴澄特种钢铁有限公司 | Flaw detection repairing device for steel wire rope |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113075286A (en) * | 2021-03-30 | 2021-07-06 | 中国矿业大学(北京) | Steel wire rope flaw detector with permanent magnet capable of moving axially |
CN113075286B (en) * | 2021-03-30 | 2021-12-21 | 中国矿业大学(北京) | Steel wire rope flaw detector with permanent magnet capable of moving axially |
CN114660258A (en) * | 2022-03-11 | 2022-06-24 | 江阴兴澄特种钢铁有限公司 | Flaw detection repairing device for steel wire rope |
CN114660258B (en) * | 2022-03-11 | 2024-05-17 | 江阴兴澄特种钢铁有限公司 | Flaw detection repairing device for steel wire rope |
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