CN205506753U - Floating magnetic leakage detector - Google Patents
Floating magnetic leakage detector Download PDFInfo
- Publication number
- CN205506753U CN205506753U CN201620276738.5U CN201620276738U CN205506753U CN 205506753 U CN205506753 U CN 205506753U CN 201620276738 U CN201620276738 U CN 201620276738U CN 205506753 U CN205506753 U CN 205506753U
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- Prior art keywords
- armature
- leakage detector
- rod
- flux leakage
- probe
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- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The utility model discloses a floating magnetic leakage detector has solved the technical problem that current magnetic leakage detector can't be applicable to the storage tank bottom plate that has the flexion section, the utility model relates to a floating magnetic leakage detector, which comprises a vehicle rack, fix the crossbeam on the frame, establish the armature in the crossbeam below, a pair of magnet and establish the detection subassembly that is used for detecting the storage tank bottom plate between two magnet, the lower extreme of armature is connected with running gear, it includes the portable machine to survey the subassembly, data collection station, the probe, establish the spring between the lower terminal surface of probe and armature and be used for keeping probe linear displacement's guiding mechanism from top to bottom, probe connection has the wire, the wire passes armature and links to each other with data collection station and portable machine in proper order, two sides that armature is close to the frame all are connected with the hinge, two hinges all with frame sliding connection, be equipped with the adjustment mechanism who is used for adjusting the armature height between crossbeam and the armature. The utility model discloses a set up hinge and adjustment mechanism, armature highly can follow storage tank bottom plate dynamic adjustment.
Description
Technical field
This utility model belongs to equipment field of non destructive testing, is specifically related to a kind of floating type flux leakage detector.
Background technology
Storage tank is widely used in oil, chemical industry as a kind of equipment of storage medium, but, in reality
During the application of border, storage tank bottom plate is easier to electrochemical corrosion, the most even can produce corrosion failure and leakage occurs
The phenomenon of oil.
At present, generally use Nondestructive detection with magnetic flux leakage method that storage tank bottom plate carries out the detection of defect location, have
Accuracy of detection advantage high, fireballing, but existing flux leakage detector is owing to armature and Magnet are in Magnetic Flux Leakage Inspecting
During, it is impossible to regulate the height relative to base plate, therefore, be only applicable to smooth storage tank bottom plate, for
There is the storage tank bottom plate of bent section, precision is very poor and the easy bent section with storage tank bottom plate of Magnet connects
Touch and interfere.
Utility model content
This utility model provides a kind of floating type flux leakage detector, and solving existing flux leakage detector cannot fit
For having the technical problem of the storage tank bottom plate of bent section.
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that
A kind of floating type flux leakage detector, the crossbeam including vehicle frame, being fixed on vehicle frame, is located at below crossbeam
Armature, pair of magnet and be located at for detecting the probe assembly of storage tank bottom plate between two Magnet, described
The lower end of armature connect have walking mechanism, described probe assembly include portable machine, data acquisition unit, probe,
It is located at the spring between probe and the lower surface of armature and the Guiding machine for the upper and lower linear displacement that keeps popping one's head in
Structure, described probe connects wire, and described wire is connected with data acquisition unit and portable machine successively through armature,
Described armature is respectively connected with hinge near two sides of vehicle frame, and two hinges are all slidably connected with vehicle frame, institute
Stating the governor motion being provided with between crossbeam and armature for regulating armature height, described governor motion includes fixing
Body in armature upper surface, the spheroid being slidably connected in body, the regulation being located between spheroid and armature
Spring and connect spheroid the drive mechanism driving spheroid to slide up and down in body, described regulation spring
The fixing spheroid that connects in one end, the other end of regulation spring fixes the upper surface connecting armature.
Further, described drive mechanism includes that servomotor, described servomotor have a rotating shaft, described turn
Axle connects screw rod, or, the axial plane of described rotating shaft has screw thread, and described spheroid is provided with screw, described spiral shell
Hole is connected with screw thread or the screw flight of rotating shaft.
Further, described drive mechanism is servo hydraulic cylinder, and described servo hydraulic cylinder has push rod, described
Push rod is fixing with the upper surface of spheroid to be connected.
Further, the quantity of described governor motion is two, and two governor motions are with the centrosymmetry of armature
Arrange.
Further, described vehicle frame is provided with the first chute and the first slide block, described first slide block and described the
One slide coordinates, and two described hinges are fixedly connected with on the first slide block.
Further, described guiding mechanism includes the body of rod I of hollow and the body of rod II of hollow, the described body of rod II
Being slidably matched with the endoporus of the body of rod I, the described body of rod I is fixed on armature, and the lower end of the described body of rod II is fixed
Connecting probe, described wire passes the body of rod I and is connected with data acquisition unit with the body of rod II.
Further, the upper end of the described body of rod II connects has pull rope, described crossbeam to be provided with lifter, institute
State rotating shaft that lifter includes box body, stretches in box body and rotate on box case, be connected to roller end
Knob and for locking or unlock rotating shaft rotate lockable mechanism, described pull rope around being connected in rotating shaft,
Described lockable mechanism include the gear being located in rotating shaft, the plug connector being located on box case and be located at box
Internal and be fixed on the inserted sheet of end of plug connector, described box case is provided with through hole, and plug connector is with logical
Hole is slidably matched, and the peripheral outer wall of plug connector is provided with raised line, and the hole wall of described through hole is provided with joins with raised line
The groove closed；Raised line grafting in a groove time, inserted sheet coordinates with the teeth groove grafting of gear；Raised line departs from groove
Time, inserted sheet departs from the teeth groove of gear.
Further, the lower surface of described armature is provided with the second chute, and the upper surface of two described Magnet is equal
Being provided with the second slide block, two the second slide blocks all coordinate with the second slide, and two described Magnet are all provided with
Having mounting seat, each mounting seat to be provided with equal nut, two nut threads connect an adjusting screw rod, two spiral shells
Female installation direction is contrary, and described armature is provided with installing plate, and described adjusting screw rod is only rotatably connected at installing plate
On, described armature is provided with rule, and this rule is installed along the glide direction of Magnet.
Further, described walking mechanism includes crawler belt, at least one planetary gear set with crawler belt engaged transmission
And drive the driving motor of planetary gear set rotation.
Further, described walking mechanism is the wheel of the lower end being fixed on armature.
The beneficial effects of the utility model are:
Owing to armature used hinge to be connected with vehicle frame, and hinge and vehicle frame are slidably connected, and thus allow armature
The two ends being connected with hinge form difference in height, and are provided with governor motion between armature and crossbeam, governor motion
In drive mechanism drive spheroid slide, thus can be compressed by spheroid or stretch regulate spring presetting
The height of joint armature, to adapt to the storage tank bottom plate of different-thickness, it is most important that, owing to flux leakage detector sets
Put hinge and regulation spring so that flux leakage detector can detect the storage tank bottom plate with bent section,
When the walking mechanism of flux leakage detector moves the bent section to storage tank bottom plate, regulation spring can occur to fit mutually
The deformation answered makes the two ends that armature is connected with hinge form difference in height so that armature, Magnet and probe with
Bent section carries out the change of angle, greatly improves the precision of Magnetic Flux Leakage Inspecting.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, this utility model is described further:
Fig. 1 is the structural representation of a kind of floating type flux leakage detector of this utility model；
Fig. 2 is the longitudinal sectional view of this utility model mid-riser；
Fig. 3 is the top view of this utility model mid-riser；
Fig. 4 is the assembling structural representation of armature and Magnet in this utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is elaborated.
Embodiment one:
As it is shown in figure 1, a kind of floating type flux leakage detector, including vehicle frame 1, the crossbeam that is fixed on vehicle frame 1
2, it is located at the armature 3 below crossbeam 2, pair of magnet 4 and is located between two Magnet 4 for detecting storage
The probe assembly 5 of tank bottom, probe assembly 5 includes portable machine 51, data acquisition unit 52, probe 53, sets
Probe 53 and the lower surface of armature 3 between spring 54 and be used for keeping about 53 linear displacements of popping one's head in
Guiding mechanism 55, probe 53 connection has a wire 56, wire 56 through armature 3 successively with data acquisition unit
52 are connected with portable machine 51, and guiding mechanism 55 includes the body of rod I 551 of hollow and the body of rod II 552 of hollow,
The body of rod II 552 is slidably matched with the endoporus of the body of rod I 551, and the body of rod I 551 is fixed on armature 3, the body of rod II
The lower end of 552 is fixing connects probe 53, and wire 56 passes the body of rod I 551 and the body of rod II 552 and data acquisition
Device 52 is connected, so pop one's head in 53 just can be stable relative to armature about 3 linear displacement, to improve
The precision of 53 Magnetic Flux Leakage Inspecting of popping one's head in, and wire 56 cabling from the body of rod I 551 and the body of rod II 552, cabling is more
Adding hidden, wire 56 is hardly damaged.
Have the storage tank bottom plate of bent section to enable flux leakage detector to detect, armature 3 is near vehicle frame 1
Two sides be respectively connected with hinge 31, two hinges 31 are all slidably connected with vehicle frame 1, more specifically, car
Frame is provided with the first chute 11 and the first slide block 12, and the first slide block 12 is slidably matched with the first chute 11, and two
Individual hinge 31 is fixedly connected with on the first slide block 12, thus allow armature 3 be connected with hinge 31 two
End forms difference in height, and the lower end of armature 3 connects walking mechanism 6, and flux leakage detector is existed by walking mechanism 6
Move on storage tank bottom plate, between crossbeam 2 and armature 3, be provided with the governor motion 7 for regulating armature height, adjust
Joint mechanism 7 includes the body 71 being fixed on armature 3 upper surface, the spheroid 72 being slidably connected in body 71,
The regulation spring 73 that is located between spheroid 72 and armature 3 and connect spheroid 72 and drive spheroid 72 at pipe
The drive mechanism 74 slided up and down in body 71, one end of regulation spring 73 is fixing connects spheroid 72, regulates bullet
The other end of spring 73 fixes the upper surface connecting armature 3, and the drive mechanism 74 in governor motion 7 drives ball
Body 72 slides, and thus can be compressed or stretch regulation spring 73 by spheroid 72 and carry out preconditioning armature 3
Highly, to adapt to the storage tank bottom plate of different-thickness, the walking mechanism 6 at flux leakage detector moves to bottom of storage tank
During the bent section of plate, and by hinge 31 and the cooperation of regulation spring 73, regulation spring 73 can occur
The two ends that the deformation adapted makes armature 3 be connected with hinge 31 form difference in height, so that armature 3, magnetic
Ferrum 4 and probe 53 carry out the change of angle with bent section, greatly improve the precision of Magnetic Flux Leakage Inspecting.
The quantity of governor motion 7 is preferably arranged to two, and two governor motions 7 are with the centrosymmetry of armature 3
Arranging, the quantity of certain governor motion 7 can also be more than two, as long as each governor motion 7 is all with armature 3
Centrosymmetry arrange can realize improve regulation armature 3 height stabilizing effect.
Drive mechanism 74 includes that servomotor, servomotor have rotating shaft, and rotating shaft connects screw rod, or, turn
The axial plane of axle has screw thread, and spheroid 72 is provided with screw, and screw is connected with screw thread or the screw flight of rotating shaft,
By the screw body of screw and the screw thread of rotating shaft or screw flight formation as the kind of drive, driving force is higher.
As shown in Figure 1, Figure 2 and Figure 3, in the present embodiment, the upper end of the body of rod II 552 connects pull rope
57, crossbeam is provided with lifter 58, and lifter 58 includes box body 581, stretches in box body 581 and rotate
Rotating shaft 582 on box body 581 shell, it is connected to the knob 583 of rotating shaft 582 end and for locking or solution
The lockable mechanism that lock rotating shaft rotates, pull rope 57 is around being connected in rotating shaft 582, and lockable mechanism includes being located at rotating shaft
On gear 584, the plug connector 585 being located on box body 581 shell and be located at box body 581 in and solid
Being scheduled on the inserted sheet 586 of the end of plug connector 585, box body 581 shell is provided with through hole 5811, plug connector 585
Being slidably matched with through hole 5811, the peripheral outer wall of plug connector 585 is provided with raised line 5851, through hole 5811
Hole wall is provided with the groove 5852 coordinated with raised line 5851.Owing to the position while welding of storage tank bottom plate can exist protrusion
Crator, flux leakage detector walk on storage tank bottom plate detection time, probe be easily raised crator collision and
Causing damaging, existing flux leakage detector needs to lift whole flux leakage detector equipment by manpower makes probe
Across the crator protruded, which decrease the detection efficiency of flux leakage detector.And the side that the present embodiment provides
Case, operator can by lifter 58 drive pull rope 57 realize popping one's head in 53 lifting, concrete, when
When raised line 5851 is plugged in groove 5852, inserted sheet 586 coordinates with the teeth groove grafting of gear 584, gear
584 cannot rotate, so rotating shaft 582 is locked out, so during flux leakage detector uses, and will not be because of by mistake
Operation knob 583 makes unexpected generation of probe 53 lift and cause damaging or detect error and increase；When raised line 5851
When departing from groove 5852, namely being pulled up by plug connector 585, inserted sheet 586 departs from the teeth groove of gear 584,
Now, operation knob 583 just can control rotating shaft 582 and rotate take-up or the unwrapping wire realizing pull rope 57, visits
53 just can rise or fall accordingly, and in order to make rotating shaft 582 to the take-up of pull rope 57 or unwrapping wire
More stable, rotating shaft 582 is provided with two pieces of baffle plates 5821, two pieces of baffle plates 5821 and the axial plane shape of rotating shaft 582
Having become the take-up reel for accommodating pull rope 57, spacing by take-up reel, pull rope 57 is wound on rotating shaft 582
More stable.When flux leakage detector runs to the crator position of storage tank bottom plate, by rotary knob 583 just
Probe 53 can be made quickly to cross crator, and preventing from popping one's head in 53 is damaged by collision, in this operating process,
Flux leakage detector can normally be walked, so improve the detection efficiency of flux leakage detector.
As shown in Figure 4, during due to flux leakage detector detection storage tank bottom plate, the magnetic of the storage tank bottom plate of different-thickness
Change degree is the most different, and flux leakage detector to the magnetization degree of storage tank bottom plate by two Magnet 4 of regulation
Spacing realizes.Specific embodiment is, the lower surface of armature 3 is provided with the second chute 32, two Magnet
The upper surface of 4 is equipped with the second slide block, and two the second slide blocks are all slidably matched with the second chute 32, two magnetic
Being equipped with mounting seat 41 on ferrum 4, each mounting seat 41 is provided with equal nut 42, and two nut 42 screw threads are even
Connecing an adjusting screw rod 43, nut 42 installation direction on two Magnet 4 is contrary, and armature 3 is provided with installing plate
33, adjusting screw rod 43 is only rotatably connected on installing plate 41, and armature 3 is provided with rule 34, this scale
Chi 34 is installed along the glide direction of Magnet 4.Operator after knowing detected storage tank bottom plate thickness, due to
Adjusting screw rod 43 and installing plate 41 are only capable of rotary motion, for the ease of rotating adjusting screw rod 43, adjusting screw rod
The end of 43 is provided with swivel head 44, and user rotates adjusting screw rod 43, nut 42 by gripping swivel head 44
Will migration on adjusting screw rod 43, thus drive two Magnet 4 to slide along the second chute 32, due to two
The installation direction of individual nut 42 is contrary, therefore, when rotating adjusting screw rod 43, two Magnet 4 do near or
From motion, such user by operation swivel head 44 rotate and observe the scale on rule 34, just
Two Magnet 4 spacing can be regulated accurately, it is achieved the storage tank bottom plate of different-thickness is produced different magnetization
Degree.
Walking mechanism 6 include crawler belt 61, at least one planetary gear set 62 with crawler belt 61 engaged transmission and
Driving the driving motor that planetary gear set rotates, flux leakage detector is walked by crawler belt 61, can make walking
Mechanism 6 more fits when running to the bent section of storage tank bottom plate storage tank bottom plate, thus improves Magnetic Flux Leakage Inspecting
The stability of device.
Embodiment two:
As it is shown in figure 1, be with the difference of embodiment one, drive mechanism 74 is servo hydraulic cylinder, watches
Taking hydraulic cylinder and have push rod, push rod is fixing with the upper surface of spheroid 72 to be connected, and servo hydraulic cylinder drives simpler
Single, safeguard more convenient.
Embodiment three:
As it is shown in figure 1, be with the difference of embodiment one, walking mechanism 6 is for be fixed under armature
The wheel of end, such walking mechanism simple in construction, easy to maintenance, cost is lower.
Above this utility model preferred embodiment is described, but is not to be construed as claim
Limit.This utility model is not only limited to above example, and its concrete structure allows to change, this area skill
Art personnel can be variously modified according to this utility model and deform, without departing from essence of the present utility model
God, belongs to scope defined in this utility model claims.
Claims (10)
1. a floating type flux leakage detector, the crossbeam including vehicle frame, being fixed on vehicle frame, is located under crossbeam
Side armature, pair of magnet and be located between two Magnet for detecting the probe assembly of storage tank bottom plate, institute
The lower end connection stating vehicle frame has walking mechanism, it is characterised in that described probe assembly includes portable machine, data
Harvester, pop one's head in, be located at probe and the lower surface of armature between spring and for keep probe on roll off the production line
Property displacement guiding mechanism, described probe connect has wire, described wire through armature successively with data acquisition
Device is connected with portable machine, and described armature is respectively connected with hinge near two sides of vehicle frame, two hinges all with
Vehicle frame is slidably connected, and is provided with the governor motion for regulating armature height between described crossbeam and armature, described
Governor motion includes the body being fixed on armature upper surface, the spheroid being slidably connected in body, is located at spheroid
And regulating spring and connecting spheroid the driving machine driving spheroid to slide up and down in body between armature
Structure, the fixing spheroid that connects in one end of described regulation spring, the other end of regulation spring is fixed and is connected the upper of armature
End face.
The floating type flux leakage detector of one the most according to claim 1, it is characterised in that described driving
Mechanism includes that servomotor, described servomotor have rotating shaft, and described rotating shaft connects screw rod, or, described
The axial plane of rotating shaft has screw thread, and described spheroid is provided with screw thread or the screw rod spiral shell of screw, described screw and rotating shaft
Stricture of vagina connects.
The floating type flux leakage detector of one the most according to claim 1, it is characterised in that described driving
Mechanism is servo hydraulic cylinder, and described servo hydraulic cylinder has a push rod, and the upper surface of described push rod and spheroid is fixed
Connect.
4., according to the floating type flux leakage detector of one described in claims 1 to 3 any one, its feature exists
In, the quantity of described governor motion is two, and two governor motions are arranged with the centrosymmetry of armature.
The floating type flux leakage detector of one the most according to claim 4, it is characterised in that described vehicle frame
Being provided with the first chute and the first slide block, described first slide block coordinates with described first slide, described
Two hinges are fixedly connected with on the first slide block.
The floating type flux leakage detector of one the most according to claim 5, it is characterised in that described guiding
Mechanism includes the body of rod I of hollow and the body of rod II of hollow, and the described body of rod II is slidably matched with the endoporus of the body of rod I,
The described body of rod I is fixed on armature, and the lower end of the described body of rod II is fixing connects probe, and described wire passes bar
Body I is connected with data acquisition unit with the body of rod II.
The floating type flux leakage detector of one the most according to claim 6, it is characterised in that the described body of rod
The upper end of II connects has pull rope, described crossbeam to be provided with lifter, and described lifter includes box body, stretches into
In box body and rotate the rotating shaft on box case, be connected to the knob of roller end and for locking or solution
The lockable mechanism that lock rotating shaft rotates, described pull rope is around being connected in rotating shaft, and described lockable mechanism includes being located at and turns
Gear on axle, the plug connector being located on box case and be located at box body in and be fixed on plug connector
The inserted sheet of end, described box case is provided with through hole, and plug connector is slidably matched with through hole, the week of plug connector
Outer wall is provided with raised line, and the hole wall of described through hole is provided with the groove coordinated with raised line；Raised line is plugged on recessed
Time in groove, inserted sheet coordinates with the teeth groove grafting of gear；When raised line departs from groove, inserted sheet takes off with the teeth groove of gear
From.
The floating type flux leakage detector of one the most according to claim 1, it is characterised in that described armature
Lower surface be provided with the second chute, the upper surface of two described Magnet is equipped with the second slide block, two second
Slide block all coordinates with the second slide, and two described Magnet are equipped with mounting seat, in each mounting seat
Being provided with equal nut, two nut threads connect an adjusting screw rod, and two nut installation directions are contrary, described rank
Ferrum is provided with installing plate, and described adjusting screw rod is only rotatably connected on a mounting board, and described armature is provided with scale
Chi, this rule is installed along the glide direction of Magnet.
The floating type flux leakage detector of one the most according to claim 1, it is characterised in that described walking
Mechanism includes crawler belt, at least one planetary gear set with crawler belt engaged transmission and drives planetary gear set to rotate
Drive motor.
The floating type flux leakage detector of one the most according to claim 1, it is characterised in that described row
Walk the wheel that mechanism is the lower end being fixed on armature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620276738.5U CN205506753U (en) | 2016-04-05 | 2016-04-05 | Floating magnetic leakage detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620276738.5U CN205506753U (en) | 2016-04-05 | 2016-04-05 | Floating magnetic leakage detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205506753U true CN205506753U (en) | 2016-08-24 |
Family
ID=56736823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620276738.5U Expired - Fee Related CN205506753U (en) | 2016-04-05 | 2016-04-05 | Floating magnetic leakage detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205506753U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758931A (en) * | 2016-04-05 | 2016-07-13 | 杭州市特种设备检测研究院 | Floating type magnetic flux leakage detector |
| CN106770628A (en) * | 2017-02-08 | 2017-05-31 | 广东工业大学 | A kind of magneto-optic imaging non-destructive detection means |
-
2016
- 2016-04-05 CN CN201620276738.5U patent/CN205506753U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758931A (en) * | 2016-04-05 | 2016-07-13 | 杭州市特种设备检测研究院 | Floating type magnetic flux leakage detector |
| CN105758931B (en) * | 2016-04-05 | 2018-10-30 | 杭州市特种设备检测研究院 | A kind of floating type flux leakage detector |
| CN106770628A (en) * | 2017-02-08 | 2017-05-31 | 广东工业大学 | A kind of magneto-optic imaging non-destructive detection means |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20170405 |