CN207020124U - A kind of detachable steel wire rope nondestructive testing instrument of sensor - Google Patents
A kind of detachable steel wire rope nondestructive testing instrument of sensor Download PDFInfo
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- CN207020124U CN207020124U CN201720834001.5U CN201720834001U CN207020124U CN 207020124 U CN207020124 U CN 207020124U CN 201720834001 U CN201720834001 U CN 201720834001U CN 207020124 U CN207020124 U CN 207020124U
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- sensor
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- steel wire
- wire rope
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Abstract
It the utility model is related to a kind of detachable steel wire rope nondestructive testing instrument of sensor, including measuring wheel and detector shell, the detector shell is made up of two half shells, the half shell is made up of rear outer baffle, shell body and preceding outer baffle, the shell body is Semicircular arched, rear outer baffle and preceding outer baffle are semi-circular shape, and rear outer baffle and preceding outer baffle are respectively perpendicular two sides for being arranged at shell body, form the half shell；Two half shells are relative to fasten the shell for forming detector；The both sides of shell body are embedded with a pair of opposite polarity semi-circular shape permanent magnets, and signal processing circuit board, connector, sensor and bushing are provided with the middle part of shell body.Sensor and bushing of the present utility model use detachable design, only with a detection magnetic head, by changing the sensor and bushing of different size, adapt to the detection of different-diameter steel wire rope, substantially increase accuracy of detection and sensitivity, and reduce cost.
Description
Technical field
The utility model is that a kind of mine hoist, crane, elevator, lift, aerial cableway, bridge etc. of being applied to is led
The non-destructive in domain, the instrument of Site Detection steel wire rope, can quantify detection steel wire rope metal cross-sectional area loss (LMA) and
Steel wire rope local damage (LF), specifically a kind of detachable steel wire rope nondestructive testing instrument of sensor.
Background technology
What similar steel wire rope nondestructive testing instrument in the market, its detection magnetic head and sensor were integrated more.For difference
The gap difference on the steel wire rope of diameter, sensor and steel wire rope surface is very big, due to Lift-off effect, can not ensure entirely detecting
In the range of have same accuracy of detection and sensitivity.In order that the detection range of instrument covers conventional steel wire rope specification, generally
The detection magnetic head of more than two is needed, so as to add the cost of instrument.
In view of drawbacks described above, the present inventor provides a kind of detachable steel wire rope nondestructive testing instrument of sensor, and detection is different
The steel wire rope of diameter need to only change the sensor and bushing of different size.It is combined as sensor and bushing, Ke Yibao
There is identical gap between the steel wire rope and sensor of card different-diameter, and due to being detected using same at magnetic head and signal
Circuit is managed, there is almost identical accuracy of detection and sensitivity in whole detection range.
The content of the invention
Technical problem to be solved in the utility model is to be directed to above-mentioned the deficiencies in the prior art, there is provided a kind of sensor
Detachable steel wire rope nondestructive testing instrument, using detachable design, magnetic head only is detected with one, by changing different size
Sensor and bushing, to adapt to the detection of different-diameter steel wire rope.And the sensor of every kind of specification coordinates the lining of different size
Set, makes detection range further segment.Accuracy of detection and sensitivity are substantially increased, and reduces cost, it is practical.
The purpose of this utility model and solves its technical problem using following technical scheme to realize.
According to the utility model proposes a kind of detachable steel wire rope nondestructive testing instrument of sensor, including the He of measuring wheel 1
Detector shell, the detector shell are made up of relative fasten of two half shells, wherein, the half shell is by rear outer baffle 2, outer
Housing 4 and preceding outer baffle 8 are formed, and the shell body 4 is Semicircular arched, and rear outer baffle 2 and preceding outer baffle 8 are semi-circular shape, and
The rear outer baffle 2 and preceding outer baffle 8 are respectively perpendicular two sides for being arranged at shell body 4, form described half shell；
Two half shells snap together and are hinged by hinge 12 shell for forming nondestructive testing instrument, are set on the shell
Locking device 14 is equipped with, can lock shell open or close by the locking device, the shell is cylinder body shape, wherein
The heart is circular hollow structure in the axial direction；
The both ends of the inwall of shell body 4 are embedded with a pair of opposite polarity semi-circular shape permanent magnets 3, and two half shells are relative to be fastened
Afterwards, two semi-circular shape permanent magnets positioned at shell body homonymy fasten to form an annular permanent magnet, the opposite polarity ring in both ends
Shape permanent magnet and the shell body fastened and tested steel wire rope form closed magnetic circuit, and saturated magnetization is carried out to tested steel wire rope；
Signal processing circuit board 5 and sensor 9 are provided with the middle part of the inwall of shell body 4, is welded on signal processing circuit board 5
There is a female end of connector 6, the connector male end on sensor is inserted in the female end of connector, and is screwed；Sensor is
Semicircular arched, its inner surface setting have two semicircular epoxy plates, and two are provided with each epoxy plate and is used to gather signal
Hall element 19, the damage signal that sensor collects is sent into signal processing circuit board 5 by connector 6 and nursed one's health, puts
Big and A/D conversions；
Bushing 10 is arranged on the working face of sensor 9, and the bushing 10 is Semicircular arched, and its both ends is outer before being individually fixed in be kept off
Plate and rear outer baffle；
The working face of the sensor 9 is additionally provided with the second magnetic guiding loop 16.
A kind of detachable steel wire rope nondestructive testing instrument of foregoing sensor, wherein, the middle part of the outer wall of bushing 10 is recessed
Fall into, sunk part is provided with three equidistant semi-circular recesses 13, and groove is correspondingly arranged with the second magnetic guiding loop 16.
A kind of detachable steel wire rope nondestructive testing instrument of foregoing sensor, wherein, also embedded with semicircular in groove 13
First magnetic guiding loop 11.
A kind of detachable steel wire rope nondestructive testing instrument of foregoing sensor, wherein, Hall element on each epoxy plate
Arrangement mode is completely the same.
A kind of detachable steel wire rope nondestructive testing instrument of foregoing sensor, wherein, the preceding outer baffle and rear outer baffle
On be correspondingly arranged on suspension ring 15, support shaft 7 connects a pair of suspension ring corresponding on forward and backward outer baffle, fix during for detecting or
Hold detector.
A kind of detachable steel wire rope nondestructive testing instrument of foregoing sensor, wherein, the sensor and bushing are to divide
Designed from formula, sensor and bushing have plurality of specifications according to thickness difference, and different size is changed according to the diameter of tested steel wire rope
Sensor and bushing；The sensor of the different size and the width of bushing and groove, the arrangement mode of the second magnetic guiding loop
It is constant, only change the thickness of sensor and bushing, form different size.
A kind of detachable steel wire rope nondestructive testing instrument of foregoing sensor, wherein, sensor 9 is realized by connector 6
Disassembly and installation, bushing 10 realize disassembly and installation by fixing groove 17 and fixture 18；The fixing groove is arranged at bushing, Gu
Determine outer baffle and rear outer baffle before part is arranged at.
The utility model has clear advantage and beneficial effect compared with prior art, by above-mentioned technical proposal, sheet
A kind of detachable steel wire rope nondestructive testing instrument of sensor of utility model can reach suitable technological progress and practicality, and have
There is the extensive value in industry, it at least has following advantages：
(1) sensor of the present utility model uses detachable design, only magnetic head is detected with one, by changing different rule
The sensor of lattice, to adapt to the detection of different-diameter steel wire rope, accuracy of detection and sensitivity are substantially increased, and reduce into
This, it is practical.
(2) sensor of every kind of specification, coordinate the bushing of different size, detection range is further segmented.
(3) signal processing circuit board in sensor and detection magnetic head is connected using quick connector (D types plug), convenient
The replacing of sensor.Simultaneously as sharing same signal processing circuit board, detector is also set to have in whole detection range several
Identical accuracy of detection and sensitivity.
(4) bushing is embedded in magnetic guiding loop, to catch all magnetic leakage signals in steel wire rope circumference, and reduces Lift-off effect
Influence.
In summary, a kind of detachable steel wire rope nondestructive testing instrument of sensor of the utility model technically has significantly
It is progressive, and there is obvious good effect, it is really a new and innovative, progressive, practical new design.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, and in order to allow above and other purpose of the present utility model, feature
It can be become apparent with advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, described in detail as follows.
Brief description of the drawings
Fig. 1 is the schematic diagram of shell open mode of the present utility model.
Fig. 2 is the front view of shell buckling state of the present utility model.
Fig. 3 is the structural representation of bushing described in embodiment 1.
Fig. 4 is the structural representation of bushing described in embodiment 2
Fig. 5 is the side view of sensor.
【Symbol description】
1：Measuring wheel 2：Rear outer baffle
3：Semi-circular shape permanent magnet 4：Shell body
5：Signal processing circuit board 6：Connector
7：Support shaft 8：Preceding outer baffle
9：Sensor 10：Bushing
11：First magnetic guiding loop 12：Hinge
13：Groove 14：Locking device
15：Suspension ring 16：Second magnetic guiding loop
17：Fixing groove 18：Fixture
19：Hall element
Embodiment
Further to illustrate that the utility model is to reach the technological means and effect that predetermined goal of the invention taken, below
With reference to accompanying drawing and preferred embodiment, to according to the utility model proposes a kind of detachable steel wire rope Non-Destructive Testing of sensor
Instrument, its embodiment, structure, feature and its effect, describe in detail as after.
Steel wire rope nondestructive testing instrument described in the utility model includes measuring wheel 1 and shell, and the shell is by two half-shells
Body phase is formed to fastening, and the half shell is made up of rear outer baffle 2, shell body 4, preceding outer baffle 8, and shell body inwall is provided with half
Annular permanent magnet 3, signal processing circuit board 5, connector 6, support shaft 7, sensor 9, bushing 10.
The shell body 4 is Semicircular arched, and rear outer baffle 2 and preceding outer baffle 8 are semi-circular shape, and the rear outer baffle 2 is with before
Outer baffle 8 is respectively perpendicular two sides for being arranged at shell body 4, forms the half shell of the nondestructive testing instrument, two half shells
Snap together and open or close by locking device 14 by the be hinged shell for forming nondestructive testing instrument of hinge 12, the shell
Locking is closed, is easy to that steel wire rope is caught in detection magnetic head during detection.The shell of the nondestructive testing instrument is cylinder body shape, its centrally along
Axis direction is circular hollow structure, is easy to the steel wire penetrating circular hollow to be detected.
The both sides of the inwall of shell body 4 are embedded with a pair of opposite polarity semi-circular shape permanent magnets 3, and two half shells are relative
After fastening, fasten to form an annular permanent magnet positioned at two semi-circular shape permanent magnets of shell body homonymy, during detection, front and rear two
Individual opposite polarity annular permanent magnet and the shell body fastened and tested steel wire rope form closed magnetic circuit, and tested steel wire rope is entered
Row saturated magnetization, if steel wire rope has the defects of fracture of wire, abrasion, corrosion, magnetic leakage signal can be formed on steel wire rope surface and sensed
Device 9 detects.
Suspension ring 15 are correspondingly arranged on preceding outer baffle and rear outer baffle, support shaft 7 connects corresponding on forward and backward outer baffle
A pair of suspension ring, detector are fixed or held during for detecting.
The inwall of shell body 4 is divided into three parts, and the part at both ends is used to place opposite polarity semi-circular shape permanent magnet,
Signal processing circuit board 5 and sensor 9 are placed in center section, and the female end of connector 6 is welded with signal processing circuit board 5, is passed
Connector male end on sensor 9 is inserted in the female end of connector 6, and is screwed；Sensor 9 is Semicircular arched, its interior table
Face is provided with two semicircular epoxy plates, two Hall elements 19 for being used to gather signal is provided with each epoxy plate, often
The arrangement mode of Hall element is completely the same on individual epoxy plate, and the damage signal that sensor collects is sent into by connector 6 to be believed
Number process circuit plate 5 nursed one's health, amplify and A/D conversions, the signal after conversion are sent into data acquisition unit.In order to prevent steel wire rope
Wear sensor 9, the working face of sensor 9 are lined with Semicircular arched bushing 10.
The medial recess of the outer wall of bushing 10, as shown in figure 3, the width of depression is equal to the width of sensor 9, make sensor 9
Just it is embedded between the inwall center section of shell body 4 and the depression of bushing 10.The outer wall depression portion of bushing 10 is provided between three grades
Away from semi-circular recesses 13, the groove 13 embeds semicircular first magnetic guiding loop 11.The inwall of sensor 9 is provided with semicircular
Two magnetic guiding loops 16, second magnetic guiding loop 16 are correspondingly arranged with groove 13.After two half shells fasten, the first magnetic guiding loop 11 and the
Two magnetic guiding loops 16 are respectively formed circular magnetic guiding loop so that all magnetic leakage signals in steel wire rope circumference can be caught in.Ranging
Wheel 1 produces ranging burst signal, for indicating to damage particular location.
Bushing 10 is provided with fixing groove 17, and fixture 18, the dismounting of bushing 10 are equipped with preceding outer baffle and rear outer baffle
Realized by the fixing groove 17 and fixture 18.
Bushing 10 is divided into plurality of specifications according to the depth of sunk part and the depth difference of groove, accordingly, sensor 9
Plurality of specifications is also had according to its outer casing thickness difference, when detecting the steel wire rope of different-diameter, need to only change the lining of dimension
Set and sensor.The sensor and bushing of different size according only to its thickness different demarcation specification, sensor or bushing
Interval between width and recess width, multiple grooves, multiple second magnetic guiding loops is constant, only changes sensor and bushing
Thickness, form different size.
During more emat sensor 9, realized by the disconnection or connection of the male end and female end of connector 6；Pass through during more resleeve
The dismounting of fixing groove 17 and fixture 18 is realized.
Specifically, sensor has three kinds of specifications, and the wirerope diameter scope that can be detected is respectively：24-30mm、30-
45mm, 45-64mm, correspondingly, bushing have 8 kinds of specifications, and detectable diameter range is respectively：24-30mm、30-35mm、35-
40mm、40-45mm、45-50mm、50-55mm、55-60mm、60-64mm。
Embodiment 1：
24-30mm sensor configuration 24-30mm bushings, 30-45mm sensors can configure 30-35mm, 35-40mm, 40-
Tri- kinds of bushings of 45mm, 45-64mm sensors can configure tetra- kinds of bushings of 45-50mm, 50-55mm, 55-60mm, 60-64mm.
According to the difference of tested wirerope diameter, change the bushing and sensor of dimension, the bushing of different size and
Sensor thickness is different, and when insert thickness used is relatively thin, groove thereon is pressed close to working sensor face, can now be not added with
Magnetic guiding loop 11；If bushing used is thicker, depth of groove is also relatively deep, in larger distance between groove and working sensor face, makes
Steel wire rope signal is not easy to conduct, and now semicircular first magnetic guiding loop 11 can be embedded in groove, due to the first magnetic guiding loop 11
Press close to steel wire rope surface and the second magnetic guiding loop 16 simultaneously, the influence of Lift-off effect can be mitigated.
Embodiment 2：
When tested wirerope diameter is very big, the thickness of sensor and bushing is all thinning, the working face of sensor and two
The permanent magnet inwall at end flushes, and bushing 10 of the outer wall without depression and groove can be now used, as shown in figure 4, directly by sensor
It is i.e. detectable after being installed with bushing.
Steel wire rope nondestructive testing instrument described in the utility model, its sensor 9 and bushing 10 are detachable design, are had
Plurality of specifications, the sensor and bushing of different size can be changed according to the diameter of tested steel wire rope, can so be ensured to not
The wire rope standard of same specification all uses same detection magnetic head, substantially increases accuracy of detection and sensitivity, and reduce into
This, detection and replacing are easy, practical.
It is described above, only it is preferred embodiment of the present utility model, not the utility model is made any formal
Limitation, although the utility model is disclosed above with preferred embodiment, but be not limited to the utility model, it is any ripe
Professional and technical personnel is known, is not being departed from the range of technical solutions of the utility model, when in the technology using the disclosure above
Hold the equivalent embodiment made a little change or be modified to equivalent variations, as long as being without departing from technical solutions of the utility model
Hold, any simple modification, equivalent change and modification made according to the technical essence of the utility model to above example, still
Belong in the range of technical solutions of the utility model.
Claims (7)
1. a kind of detachable steel wire rope nondestructive testing instrument of sensor, including measuring wheel (1) and detector shell, outside the detector
Shell is made up of relative fasten of two half shells, it is characterised in that the half shell by rear outer baffle (2), shell body (4) and it is preceding outside
Baffle plate (8) is formed, and the shell body (4) is Semicircular arched, and rear outer baffle (2) and preceding outer baffle (8) are semi-circular shape, and described
Rear outer baffle (2) and preceding outer baffle (8) are respectively perpendicular two sides for being arranged at shell body (4), form described half shell；
Two half shells snap together and are hinged by hinge (12) shell for forming nondestructive testing instrument, are set on the shell
There is locking device (14), can lock shell open or close by the locking device (14), the shell is cylinder body shape,
Its center is circular hollow structure in the axial direction；
The both ends of shell body (4) inwall are embedded with a pair of opposite polarity semi-circular shape permanent magnets (3), and two half shells are relative to be fastened
Afterwards, two semi-circular shape permanent magnets positioned at shell body homonymy fasten to form an annular permanent magnet, the opposite polarity ring in both ends
Shape permanent magnet and the shell body fastened and tested steel wire rope form closed magnetic circuit, and saturated magnetization is carried out to tested steel wire rope；
Signal processing circuit board (5) and sensor (9) are provided with the middle part of shell body (4) inwall, on signal processing circuit board (5)
It is welded with the female end of connector (6), the connector male end on sensor (9) is inserted in the female end of connector (6), and is consolidated with screw
It is fixed；Sensor (9) is Semicircular arched, and its inner surface setting has two semicircular epoxy plates, two are provided with each epoxy plate
The individual Hall element (19) for being used to gather signal, the damage signal that sensor collects are sent into signal transacting by connector (6)
Circuit board (5) nursed one's health, is amplified and A/D conversions；
Bushing (10) is arranged on the working face of sensor (9), and the bushing (10) is Semicircular arched, and its both ends is outer before being individually fixed in
Baffle plate and rear outer baffle；
The working face of the sensor (9) is additionally provided with the second magnetic guiding loop (16).
2. the detachable steel wire rope nondestructive testing instrument of sensor as claimed in claim 1, it is characterised in that the bushing (10)
The medial recess of outer wall, sunk part are provided with three equidistant semi-circular recesses (13), groove (13) and the second magnetic guiding loop
(16) it is correspondingly arranged.
3. the detachable steel wire rope nondestructive testing instrument of sensor as claimed in claim 2, it is characterised in that in groove (13) also
Embedded with semicircular first magnetic guiding loop (11).
4. the detachable steel wire rope nondestructive testing instrument of sensor as claimed in claim 1, it is characterised in that on each epoxy plate
The arrangement mode of Hall element is completely the same.
5. the detachable steel wire rope nondestructive testing instrument of sensor as claimed in claim 1, it is characterised in that the preceding outer baffle
Be correspondingly arranged on suspension ring (15) on rear outer baffle, support shaft (7) connects a pair of suspension ring corresponding on forward and backward outer baffle, uses
Detector is fixed or holds when detection.
6. the detachable steel wire rope nondestructive testing instrument of sensor as claimed in claim 1, it is characterised in that the sensor (9)
It is detachable design with bushing (10), sensor (9) has plurality of specifications with bushing (10) according to thickness is different, according to tested steel
The diameter of cord changes the sensor and bushing of different size；
The sensor of the different size and the width of bushing and groove, the arrangement mode of the second magnetic guiding loop are constant, only change
The thickness of sensor and bushing, form different size.
7. the detachable steel wire rope nondestructive testing instrument of sensor as claimed in claim 6, it is characterised in that sensor (9) passes through
Connector (6) realizes disassembly and installation, and bushing (10) realizes disassembly and installation by fixing groove (17) and fixture (18)；It is described
Fixing groove (17) is arranged at bushing, outer baffle and rear outer baffle before fixture (18) is arranged at.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720834001.5U CN207020124U (en) | 2017-07-10 | 2017-07-10 | A kind of detachable steel wire rope nondestructive testing instrument of sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720834001.5U CN207020124U (en) | 2017-07-10 | 2017-07-10 | A kind of detachable steel wire rope nondestructive testing instrument of sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207020124U true CN207020124U (en) | 2018-02-16 |
Family
ID=61483808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720834001.5U Active CN207020124U (en) | 2017-07-10 | 2017-07-10 | A kind of detachable steel wire rope nondestructive testing instrument of sensor |
Country Status (1)
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| CN (1) | CN207020124U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110779981A (en) * | 2019-11-18 | 2020-02-11 | 北京航空航天大学 | Ferromagnetic pipeline small defect magnetic detection sensor |
| CN112378991A (en) * | 2020-11-25 | 2021-02-19 | 中国矿业大学(北京) | Steel wire rope detector with replaceable lining |
-
2017
- 2017-07-10 CN CN201720834001.5U patent/CN207020124U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110779981A (en) * | 2019-11-18 | 2020-02-11 | 北京航空航天大学 | Ferromagnetic pipeline small defect magnetic detection sensor |
| CN112378991A (en) * | 2020-11-25 | 2021-02-19 | 中国矿业大学(北京) | Steel wire rope detector with replaceable lining |
| CN112378991B (en) * | 2020-11-25 | 2023-03-14 | 中国矿业大学(北京) | Steel wire rope detector with replaceable lining |
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