CN208705272U - The detection device of wirerope - Google Patents
The detection device of wirerope Download PDFInfo
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- CN208705272U CN208705272U CN201820960746.0U CN201820960746U CN208705272U CN 208705272 U CN208705272 U CN 208705272U CN 201820960746 U CN201820960746 U CN 201820960746U CN 208705272 U CN208705272 U CN 208705272U
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Abstract
The utility model embodiment discloses a kind of testing device for wire ropes, which includes: circumferential magnetization device；First diametrical magnetization device of the first side of circumferential magnetization device is set, and the second diametrical magnetization device of second side opposite with the first side of circumferential magnetization device is set；Conducting magnetic component is arranged between the first diametrical magnetization device and the second diametrical magnetization device, and the internal diameter of conducting magnetic component is greater than or equal to the outer diameter of circumferential magnetization device；Every magnetic component, it is arranged between conducting magnetic component and circumferential magnetization device.Technical solution provided by the embodiment of the utility model, Circumferential field is provided with around wirerope to be measured and wraps up the radial magnetic field and axial magnetic field of Circumferential field, the spatial magnetic field situation of change caused by the spacial multi-angle and comprehensive reflection wirerope internal injury, it is damaged according to the change detection of spatial magnetic field, improves the reliability of detection.
Description
Technical field
The utility model embodiment is related to the detection dress of Nondestructive Testing for Wire Ropes field more particularly to a kind of wirerope
It sets.
Background technique
Wirerope because have tensile strength it is high, from heavy and light, elasticity is good, stable working is reliable, bears dynamic load and overload energy
Many advantages, such as power is strong, in the developments of the national economy many departments such as China's coal-mine, non-coal mine, harbour, bridge, cableway, elevator
It is widely applied.However, wirerope as a kind of engineering load bearing equipment, is often subject to flexural fatigue, abrasion, alternation in operational process
The influence of the complex working conditions such as load, mechanical shock and corrosion and environment, inevitably will appear such as fracture of wire, abrasion, deformation,
Phenomena such as corrosion and there are security risks.Its degree of impairment and bearing capacity are directly related to personnel and production safety.
Therefore, to ensure safe wire cable reliability service, domestic and international experts and scholars are exploring always wirerope non-destructive testing
Method.Wherein, electromagnetic detection method is currently generally acknowledged one of most practical detection method, but it is comprehensive smaller vertical in wirerope
To damage (such as fracture of wire 1-2 root, fracture spacing is no more than 3mm and inside the wirerope etc.) detection reliability in terms of there is also one
Fixed deficiency.
Utility model content
In view of this, the utility model embodiment provides a kind of detection device of wirerope, from spacial multi-angle and entirely
Orientation reflects spatial magnetic field situation of change caused by wirerope internal injury, is examined according to the change information of spatial magnetic field
Damage is surveyed, the reliability of detection is improved.
The utility model embodiment provides a kind of testing device for wire ropes, comprising:
Circumferential magnetization device；
First diametrical magnetization device of first side of circumferential magnetization device is set, and setting with the circumferential magnetization device
The second diametrical magnetization device of the opposite second side in the first side；
Conducting magnetic component is arranged between the first diametrical magnetization device and the second diametrical magnetization device, the magnetic conduction structure
The internal diameter of part is greater than or equal to the outer diameter of the circumferential magnetization device；
Every magnetic component, it is arranged between the conducting magnetic component and the circumferential magnetization device.
Optionally, the first diametrical magnetization device includes first annular permanent magnet, the outside of the first annular permanent magnet
It is on the inside of the pole N is the pole S or outside be on the inside of the pole S is the pole N；
The second diametrical magnetization device includes the second annular permanent magnet, is S extremely interior on the outside of second annular permanent magnet
Side is the pole N or outside be on the inside of the pole N is the pole S.
Optionally, the circumferential magnetization device includes third annular permanent magnet, and the third annular permanent magnet includes multiple fans
Shape permanent magnet.
Optionally, the conducting magnetic component includes armature, and armature setting is in the first annular permanent magnet and described the
Between second ring permanent magnet.
It optionally, further include multiple magnetic signal detecting elements；
Annulus detection support, the annulus detection support are used to support the magnetic signal detecting element, the magnetic signal inspection
Element is surveyed to be evenly distributed in the annulus detection support；
The outer surface of the annulus detection support is in contact with the inner surface of the third annular permanent magnet.
Optionally, the range of the internal diameter of the annulus detection support is to be less than or equal to 55 millis more than or equal to 55 millimeters
Rice.
Optionally, further include signal transmission component, be arranged inside the armature, the signal of the signal transmission component is defeated
Enter end to be electrically connected with the signal output end of the magnetic signal detecting element；
The signal output end of the signal transmission component is electrically connected with the signal input part of controller.
Optionally, the internal diameter of the first annular permanent magnet is greater than the outer diameter of the third annular permanent magnet；
The internal diameter of second annular permanent magnet is greater than the outer diameter of the third annular permanent magnet.
Optionally, the internal diameter of the internal diameter of the first annular permanent magnet and second annular permanent magnet is equal；
The outer diameter of the outer diameter of the first annular permanent magnet and second annular permanent magnet is equal.
Optionally, the distance between the first annular permanent magnet and the third annular permanent magnet and second annular
Permanent magnet is equal with the distance between the third annular permanent magnet.
The utility model embodiment provides a kind of detection device of wirerope, is provided with around wirerope to be measured circumferential
Magnetic field and the radial magnetic field and axial magnetic field for wrapping up Circumferential field, from spacial multi-angle and comprehensive reflection wirerope internal exergy dissipation
Spatial magnetic field situation of change caused by hurting, damages according to the change detection of spatial magnetic field, improves detection
Reliability.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of testing device for wire ropes provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of another testing device for wire ropes provided by the embodiment of the utility model；
Fig. 3 is the left view of third annular permanent magnet；
Fig. 4 is the structural schematic diagram of annulus detection support.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than the restriction to the utility model.It further needs exist for
It is bright, part relevant to the utility model is illustrated only for ease of description, in attached drawing rather than entire infrastructure.
Fig. 1 is a kind of structural schematic diagram of testing device for wire ropes provided by the embodiment of the utility model.It, should referring to Fig. 1
Device includes: circumferential magnetization device 10；First diametrical magnetization device 20 of 10 first side of circumferential magnetization device is set, and setting with
The second diametrical magnetization device 30 of the opposite second side in 10 first side of circumferential magnetization device；Conducting magnetic component 40, setting is in the first radial magnetic
Change between device 20 and the second diametrical magnetization device 30, the internal diameter of conducting magnetic component 40 is greater than or equal to the outer diameter of circumferential magnetization device 10；Every
Magnetic component 50 is arranged between conducting magnetic component 40 and circumferential magnetization device 10.
In the present embodiment, circumferential magnetization device 10 can produce along the magnetic field of magnetizer circumferencial direction.Circumferential magnetization device pair
Wirerope 60 to be measured carries out circumferential magnetization.First diametrical magnetization device 20 and the second diametrical magnetization device 30 can produce radial magnetic field,
Diametrical magnetization is carried out to wirerope 60 to be measured.Magnetizer in the present embodiment is set as the openable and closable structure mould of dissection type up and down
Formula, convenient for the installation during on-site test.Due to conducting magnetic component 40, setting is radial in the first diametrical magnetization device 20 and second
Between magnetizer 30, the first diametrical magnetization device 20 and the second diametrical magnetization device 30 can also generate axial magnetic field.In steel wire to be measured
The middle part of rope 60 can generate radially, circumferentially with axial multidirectional magnetizing field, thus from multi-faceted full angle to wirerope to be measured
60 carry out the magnetization of complex multiple-loop.The space magnetic field knots modification that the comprehensive damage of wirerope 60 to be measured generates can be all mapped to
In the variation in hyperspace magnetic field, to be carried out by the situation of change of complete detection space magnetic field to damage of steel cable comprehensive
Comprehensive analysis diagnosis.Wirerope need to generally be carried out axial saturation uniform magnetization by existing damage of steel cable electromagnetic detection method to be examined
Measure the magnetic signal knots modification formed due to damage of steel cable.Damaging wirerope magnetizing field is a 3 d-space field, especially
Longitudinal damage to being distributed in inside wirerope, single axial magnetize the letter that cannot reflect comprehensively damage from all-dimensional multi-angle
Breath, phenomena such as being easy to appear missing inspection, judge by accident.Detection device provided in this embodiment and traditional single axial or radial direction magnetic
The detection device for changing wirerope is compared, have the advantages that can complete detection to being distributed to the damage of wirerope everywhere.Magnetic conduction structure
Part 40 can be made of permeability magnetic material.It can be made of magnetic separator every magnetic component 50, for preventing the first diametrical magnetization
It is same that axial magnetic field and circumferential magnetization device 10 between device 20 and the second diametrical magnetization device 30 generate interfering with each other for Circumferential field
When, play the role of supporting circumferential magnetization device 10.
The detection device for the wirerope that the utility model embodiment provides, diametrical magnetization device carry out radial magnetic to wirerope
Change, circumferential magnetization device carries out circumferential magnetization to wirerope, and conducting magnetic component connects together two diametrical magnetization devices, forms one
The magnetization cycle of closure.By keeping apart every magnetic component between diametrical magnetization device and circumferential magnetization device, guarantee two magnetization cycles
Independently of each other, it is independent of each other.The magnetization configuration and packet of the minor loop that Circumferential field is formed are provided with around wirerope to be measured
The magnetization configuration in the big circuit that the radial magnetic field and axial magnetic field for wrapping up in Circumferential field are formed, from spacial multi-angle and comprehensive reflection
Spatial magnetic field situation of change caused by wirerope internal injury is damaged according to the change detection of spatial magnetic field,
The reliability for improving detection exhaustively detects damage of steel cable to comprehensive, and it is circumferential different to be especially distributed across wirerope
The recognition effect that various smaller longitudinal damages of position and internal injury have had.
Optionally, based on the above technical solution, the first diametrical magnetization device 20 include first annular permanent magnet, first
It is on the inside of the pole N on the outside of annular permanent magnet is the pole S or outside be on the inside of the pole S is the pole N；Second diametrical magnetization device includes the second ring
It is the pole N that shape permanent magnet, which is on the inside of the pole S on the outside of the second annular permanent magnet, or outside be on the inside of the pole N is the pole S.Illustratively, when
It is on the inside of the pole N on the outside of the first annular permanent magnet that first diametrical magnetization device 20 includes is the pole S, the second diametrical magnetization device 30 includes
The second annular permanent magnet on the outside of be on the inside of the pole S be the pole N.When the first annular permanent magnet that the first diametrical magnetization device 20 includes
It is the pole N that outside, which is on the inside of the pole S, be on the inside of the pole N on the outside of the second annular permanent magnet that the second diametrical magnetization device 30 includes is the pole S.
It should be noted that first annular permanent magnet and the second annular permanent magnet may include upper permanent magnet and lower permanent magnet.
Being on the outside of the first annular permanent magnet for including with the first diametrical magnetization device 20 is the pole S, the second radial magnetic on the inside of the pole N
Changing be on the inside of the pole S on the outside of the second annular permanent magnet that device 30 includes is that N extremely example is illustrated, referring to fig. 2, the first radial magnetic
Changing device can produce the first radial magnetic field H1, and the second diametrical magnetization device can produce the second radial magnetic field H2.First radial magnetic
Axial magnetic field H3 can be formed between device and the second diametrical magnetization device by changing.First radial magnetic field, the second radial magnetic field and axial magnetic
Field can form a closed magnetic field.
Optionally, referring to Fig. 3, circumferential magnetization device 10 includes third annular permanent magnet, and third annular permanent magnet includes multiple
Fan-shaped permanent magnet 11.In two neighboring fan-shaped permanent magnet, the pole N of one of sector permanent magnet and another sector are forever
The pole S of magnet is in contact, to form Circumferential field H4.It should be noted that the utility model embodiment is for fan-shaped permanent magnet
Specific value be not construed as limiting, those skilled in the art can carry out sets itself according to the actual situation.
Optionally, the conducting magnetic component 40 in the detection device includes armature, and armature setting is in first annular permanent magnet and the
Between second ring permanent magnet.Armature is used to form closed magnetic loop.Armature is usually to be manufactured by soft magnetic material, as pure iron,
Cast iron, silicon steel and permalloy etc..
Optionally, referring to fig. 4, which further includes multiple magnetic signal detecting elements 70；Annulus detection support, annulus
Detection support 80 is used to support magnetic signal detecting element 70, and magnetic signal detecting element 70 is evenly distributed on annulus detection support 80
On；The outer surface of annulus detection support 80 is in contact (not shown) with the inner surface of third annular permanent magnet.Optionally, annulus is examined
It can be multiple for surveying bracket 80, illustratively be 2.Optionally, magnetic signal detecting element includes that hall device or magnetic resistance pass
Inductor component.Optionally, the range of the internal diameter of annulus detection support 80 is to be less than or equal to 55 millimeters more than or equal to 35 millimeters.
The distance of the corresponding surface distance of the internal diameter of annulus detection support 80 wirerope to be measured is greater than or equal to 5 millimeters, is less than or equal to
25 millimeters.Have certain gap between annulus detection support and wirerope to be measured, avoid in detection process annulus detection support with
It rubs between wirerope to be measured, to guarantee the normal detection process of wirerope to be measured.
Optionally, the internal diameter of first annular permanent magnet is greater than the outer diameter of third annular permanent magnet；Second annular permanent magnet
Internal diameter is greater than the outer diameter of third annular permanent magnet.Optionally, the internal diameter of first annular permanent magnet and the second annular permanent magnet is interior
Diameter is equal；The outer diameter of the outer diameter of first annular permanent magnet and the second annular permanent magnet is equal.Optionally, first annular permanent magnet with
The distance between third annular permanent magnet is equal with the distance between third annular permanent magnet with the second annular permanent magnet.With Fig. 2
For the testing device for wire ropes shown, closed magnetic field, axial magnetic field H3 and first are formd on the surface of wirerope to be measured
Radial magnetic field H1 and the second radial magnetic field H2 are orthogonal, and the magnetic confining field formed is greater than the magnetic field of Circumferential field H4.Axial magnetic field
H3 is simultaneously and Circumferential field H4 is orthogonal.
It should be noted that the utility model embodiment is for first annular permanent magnet, the second annular permanent magnet and
The specific value of the internal diameters of three annular permanent magnets, outer diameter and length is not construed as limiting, and those skilled in the art can be according to practical feelings
Condition carries out sets itself.
Optionally, which further includes signal transmission component, is arranged inside armature, the signal of signal transmission component
Input terminal is electrically connected with the signal output end of magnetic signal detecting element；The signal output end of signal transmission component and the letter of controller
The electrical connection of number input terminal.
It should be noted that by Fig. 2 shows testing device for wire ropes for, form envelope on the surface of wirerope to be measured
The magnetic field closed, axial magnetic field H3 is orthogonal with the first radial magnetic field H1 and the second radial magnetic field H2, and the magnetic confining field formed is greater than
The magnetic field of Circumferential field H4.Axial magnetic field H3 is simultaneously and Circumferential field H4 is orthogonal.It is arranged in circumferential magnetization device and wirerope to be measured
Between annulus detection support on magnetic signal detecting element be used to detect the Spatial Multi-Dimensional quadrature field on wirerope surface to be measured
Change situation, illustratively can be the variation of magnetic flux.The change situation in the magnetic field that magnetic signal detecting element will test
It is changed into corresponding electric signal, is sent to signal transmission component.The electric signal is issued controller again by signal transmission component,
The corresponding electric signal of change situation in the controller magnetic field on wirerope surface to be measured based on the received, analyzes in wirerope to be measured
The defect in portion, to differentiate damage of steel cable from comprehensive.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation is readjusted, be combined with each other and is substituted without departing from the protection scope of the utility model.Therefore, although passing through
Above embodiments are described in further detail the utility model, but the utility model is not limited only to the above implementation
Example can also include more other equivalent embodiments in the case where not departing from the utility model design, and the utility model
Range is determined by the scope of the appended claims.
Claims (10)
1. a kind of testing device for wire ropes characterized by comprising
Circumferential magnetization device；
First diametrical magnetization device of first side of circumferential magnetization device is set, and setting with the circumferential magnetization device first
The second diametrical magnetization device of the opposite second side in side；
Conducting magnetic component is arranged between the first diametrical magnetization device and the second diametrical magnetization device, the conducting magnetic component
Internal diameter is greater than or equal to the outer diameter of the circumferential magnetization device；
Every magnetic component, it is arranged between the conducting magnetic component and the circumferential magnetization device.
2. detection device according to claim 1, which is characterized in that
The first diametrical magnetization device includes first annular permanent magnet, be on the inside of the pole N on the outside of the first annular permanent magnet is S
It is the pole N that pole or outside, which are on the inside of the pole S,；
The second diametrical magnetization device includes the second annular permanent magnet, be on the inside of the pole S on the outside of second annular permanent magnet is N
It is the pole S that pole or outside, which are on the inside of the pole N,.
3. detection device according to claim 2, which is characterized in that
The circumferential magnetization device includes third annular permanent magnet, and the third annular permanent magnet includes multiple fan-shaped permanent magnets.
4. detection device according to claim 3, which is characterized in that
The conducting magnetic component includes armature, and the armature is arranged in the first annular permanent magnet and second annular permanent magnet
Between.
5. detection device according to claim 4, which is characterized in that
It further include multiple magnetic signal detecting elements；
Annulus detection support, the annulus detection support are used to support the magnetic signal detecting element, the magnetic signal detection member
Part is evenly distributed in the annulus detection support；
The outer surface of the annulus detection support is in contact with the inner surface of the third annular permanent magnet.
6. detection device according to claim 5, which is characterized in that
The range of the internal diameter of the annulus detection support is to be less than or equal to 55 millimeters more than or equal to 35 millimeters.
7. detection device according to claim 5, which is characterized in that
Further include signal transmission component, be arranged inside the armature, the signal input part of the signal transmission component with it is described
The signal output end of magnetic signal detecting element is electrically connected；
The signal output end of the signal transmission component is electrically connected with the signal input part of controller.
8. detection device according to claim 3, which is characterized in that
The internal diameter of the first annular permanent magnet is greater than the outer diameter of the third annular permanent magnet；
The internal diameter of second annular permanent magnet is greater than the outer diameter of the third annular permanent magnet.
9. detection device according to claim 8, which is characterized in that
The internal diameter of the internal diameter of the first annular permanent magnet and second annular permanent magnet is equal；
The outer diameter of the outer diameter of the first annular permanent magnet and second annular permanent magnet is equal.
10. detection device according to claim 9, which is characterized in that
The distance between the first annular permanent magnet and the third annular permanent magnet and second annular permanent magnet and institute
It is equal to state the distance between third annular permanent magnet.
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| CN201820960746.0U CN208705272U (en) | 2018-06-21 | 2018-06-21 | The detection device of wirerope |
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| CN201820960746.0U CN208705272U (en) | 2018-06-21 | 2018-06-21 | The detection device of wirerope |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108828056A (en) * | 2018-06-21 | 2018-11-16 | 中国矿业大学(北京) | The detection device of wirerope |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108828056A (en) * | 2018-06-21 | 2018-11-16 | 中国矿业大学(北京) | The detection device of wirerope |
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