CN204756334U - Low frequency leaks magnetic sensor magneto sensor centre gripping combination multiaxis mobile device - Google Patents
Low frequency leaks magnetic sensor magneto sensor centre gripping combination multiaxis mobile device Download PDFInfo
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- CN204756334U CN204756334U CN201520332277.4U CN201520332277U CN204756334U CN 204756334 U CN204756334 U CN 204756334U CN 201520332277 U CN201520332277 U CN 201520332277U CN 204756334 U CN204756334 U CN 204756334U
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- fastening screw
- trip bolt
- screw trip
- low frequency
- slide block
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Abstract
The utility model provides a general detection that low frequency leaks magnetic sensor magneto sensor centre gripping combination multiaxis mobile device, because U type low frequency leaks the size that magnetic sensor can change sensor self according to the size difference of being surveyed the defect, so this structure contains the clamping device of two kinds of different specifications, can satisfy not unidimensional sensor through each self -corresponding equipment and regulative mode. Utilize this clamping device can acquire single channel or the stable detection information of multichannel, can satisfy the different demands that detect angle, detection position, realize that the low frequency leaks stability, reliability and the controllability of magnetic sensor detected signal in the magnetic leakage detects.
Description
Technical field
The utility model relates to a kind of magneto sensitive element holding device of novel low-frequency Magnetic Flux Leakage Inspecting, moves, be convenient to realize crackle and accurately detect, belong to field of non destructive testing for the fixing of small magneto sensitive element in U-shaped low frequency leakage field sensor and multiaxis.
Background technique
Pipeline is one of key equipment of current transport service, and runs in military service process at it Crack Damage very easily produced in various degree.Leakage field technology is a kind of technology being usually used in pipeline crack defects detection, and adopts the low frequency Magnetic Flux Leakage Inspecting technology of ac magnetization to belong to a kind of novel Magnetic Flux Leakage Inspecting technology.This technology has that remanent magnetism is little, detection facility volume is little, lightweight and the advantage such as power consumption is little, can be used for the detection of caliber and the larger pipe-line equipment of wall thickness.Therefore, low frequency Magnetic Flux Leakage Inspecting technology has great application prospect in engineering.
Low frequency Magnetic Flux Leakage Inspecting sensor is the primary key link realizing low frequency Magnetic Flux Leakage Inspecting, it mainly comprises field element and magneto sensitive element two-part, wherein magneto sensitive element is the core component of low frequency electromagnetic sensor, the detection perform of its performance direct relation low frequency leakage field sensor.In Magnetic Flux Leakage Inspecting process, need the relative position of fixing magnet-sensitive element and field element, ensure that itself and test specimen to be checked are detecting the relative uniformity on position and direction.Meanwhile, for different detection test specimens and defect, the quantity to magneto sensitive element, direction and three-dimensional position is usually needed to regulate to obtain best detection sensitivity.In conventional Magnetic Flux Leakage Inspecting sensor, mostly adopt in the method for paste, magneto sensitive element is fixed on the support of sensor, cannot regulates the quantity of magneto sensitive element, direction and position, thus can not ensure that low frequency leakage field sensor obtains best Detection results.For the problems referred to above, the utility model carries out the design of low frequency leakage field sensor magneto sensitive element clamping Multi-axle moving device, so that realize the adjustment of magneto sensitive element quantity, direction and three-dimensional position.
Summary of the invention
The purpose of this utility model is to design a kind of magneto sensitive element clamping Multi-axle moving device.This device can be used for the fixing of single or multiple magneto sensitive element in U-shaped low frequency leakage field sensor, simultaneously, the direction of magneto sensitive element and the adjustment of three-dimensional space position can be realized, with satisfied different detection angles, the demand detecting position by changing Multi-axle moving device.
Fix needs for meeting different size U-shaped low frequency leakage field sensor magneto sensitive element, the utility model devises the Multi-axle moving device of two kinds of different structures, fixes with the magneto sensitive element adapting to different size scope.
For achieving the above object, the technical solution adopted in the utility model is a kind of low frequency leakage field sensor magneto sensitive element clamping combination Multi-axle moving device, and this combination Multi-axle moving device comprises large gauge Multi-axle moving device and small dimension shifter; Wherein large gauge Multi-axle moving device comprises discount 7 in discount 4 under fixing slide block 1, pallet 2, side fastening screw trip bolt 3, L-type, cantilever 5, upper end fastening screw trip bolt 6, L-type;
Pallet 2 is annular construction member, and fixing slide block 1 surface is provided with supporting disk, and supporting disk is placed in the upper surface of pallet 2, and be provided with slide block bottom fixing slide block 1, the internal surface of slide block and pallet 2 is Spielpassung;
Under L-type, in discount 4, L-type, one end of discount 7 is coordinated by draw-in groove, and cooperation place is fastenedly connected by upper end fastening screw trip bolt 6; Under described L-type, in discount 4, upper end fastening screw trip bolt 6, L-type, discount 7 forms U-shaped structure;
Two parallel ends of described U-shaped structure (namely under L-type discount 4 be parallel to each other with discount 7 in L-type hold) have through hole; Article two, one end of cantilever 5 and this through hole are Spielpassung, and the other end of two cantilevers 5 is provided with supporting foot holder, and the bottom connection of supporting foot holder and pallet 2 touches; Article two, cantilever 5 is respectively equipped with three tapped holes all arranged; Side fastening screw trip bolt 3 is threaded connection with the tapped hole of each cantilever 5 to be fixed fastening by U-shaped structure and two cantilevers 5; By regulating fastening screw trip bolt 3 and the cooperation position of each tapped hole, realize height adjustment along the z-axis direction.
Small dimension holding device comprises dunnage 8, L-type cross bar 9, tightening nut 10, upper fastening screw trip bolt 11, montant 12, lower fastening screw trip bolt 13; Single or multiple small dimension array magnet-sensitive element is fixed in dunnage 8, ensures that it is in same detection plane; Dunnage 8 and lower fastening screw trip bolt 13 are connected and fixed, and lower fastening screw trip bolt 13 slides along the elongated slot of montant 12, to regulate the detection height changing magnet-sensitive element.
L-type cross bar 9 and upper fastening screw trip bolt 11 are connected and fixed, and fastening screw trip bolt 11 slides along the elongated slot of montant 12, and tightening nut 10 coordinates in order to fixed L type cross bar 9 and montant 12 with upper fastening screw trip bolt 11; Upper fastening screw trip bolt 11, by sliding in the elongated slot of L-type cross bar 9, regulates this small dimension holding device to be fixed on small size low frequency leakage field sensor, for detection and localization.By the plan-position of mobile cross bar 9, regulate holding device plan-position on a sensor, thus realize the plan-position change of magnet-sensitive element.
Strong flexible polymer material is provided with between large gauge magnet-sensitive element and fixing slide block 1, fastening in order to what realize between magnet-sensitive element and fixing slide block 1.
Fixing slide block 1 is mobile or rotation along pallet 2 surface, to regulate the position of fixing slide block 1; Establish multiple fixing slide block 1 in order to fastening multiple large gauge magnet-sensitive element along pallet 2 surface direction.
Compared with prior art, the utility model has following beneficial effect.
1, can be used for single or multiple magneto sensitive element to fix;
2, magneto sensitive element self direction and spatial three-dimensional position adjustment can be realized;
3, comprise two kinds of different structure fixing devices, meet different size low frequency leakage field sensor sensing element fixed demand.
Accompanying drawing explanation
Fig. 1 low frequency leakage field sensor multiaxis portable magnet-sensitive element large gauge holding device overall schematic
Fig. 2 low frequency leakage field sensor multiaxis portable magnet-sensitive element small dimension holding device overall schematic
Cantilever structure schematic diagram in Fig. 3 large gauge holding device
In figure: 1, fixing slide block, 2, pallet, 3, side fastening screw trip bolt, 4, discount under L-type, 5, cantilever, 6, upper end fastening screw trip bolt, 7, discount in L-type, 8, dunnage, 9, cross bar, 10, tightening nut, 11, upper fastening screw trip bolt, 12, montant, 13, lower fastening screw trip bolt.
Embodiment
Following examples are provided below in conjunction with content of the present utility model:
Large scale low frequency leakage field sensor magneto sensitive element clamping Multi-axle moving device Installation Example:
1) first, for being of a size of 70mm × 40mm × 56mm, bipolar shoe, apart from the U-shaped low frequency leakage field sensor being 30mm, selects large gauge low frequency leakage field sensor magneto sensitive element clamping Multi-axle moving device (as shown in Figure 1).
2) by single conventional magneto sensitive element---Hall element (T094 encapsulation) inserts in fixing slide block 1 fixing by the strong flexible polymer material (as: rubber) matched with groove size in fixing slide block.Slide in pallet 2, rotate fixing slide block 1, the detection angles finding Pass Test to design and detection position, Hall element angle and x angle detecting position fixedly complete.
3) left and right, both sides cantilever 5 is passed the inside groove of pallet 2 simultaneously, make its supporting foot level hold pallet 2.Two cantilevers are inserted respectively in the inner groove of corresponding discount (4 and 7), move up and down, position during selected Hall transducer lift-off distance 2mm, side, both sides fastening screw trip bolt 3 is screwed in tapped hole corresponding to cantilever by discount water jacket, cantilever has been connected with discount, and Hall element z-axis height and position is fixed.
4) lower discount 4 is inserted in the horizontal groove of upper discount 7, move upper and lower discount selects Hall element in the detection position in y direction simultaneously, on this position, the insertion position of discount 4 in groove under mobile L-type, make upper and lower discount clamp sensor simultaneously, now utilize upper end fastening screw trip bolt 6 to be fixed, upper and lower discount has connected, and Hall element y-axis detects position and fixes.So far large gauge magneto sensitive element holding device installs.
Small size low frequency leakage field sensor magneto sensitive element clamping Multi-axle moving device Installation Example:
1) first, for being of a size of 16mm × 10mm × 27mm, bipolar shoe, apart from the U-shaped low frequency leakage field sensor being 7mm, selects small dimension low frequency leakage field sensor magneto sensitive element clamping Multi-axle moving device.
2) by two conventional magneto sensitive elements---giant magnetoresistance element (T094 encapsulation) is pasted onto in dunnage 8 with epoxy resin glue side by side, select the array pitch on y direction (as shown in Figure 2), giant magnetoresistance element y angle detecting position fixedly completes.
3) by lower end fastening screw trip bolt 13, dunnage 8 is fixed on montant 12.Moved in the elongated slot of montant 12 by lower end fastening screw trip bolt 13, z direction (as shown in Figure 2) position completing two array giant magnetoresistance element lift-off distance 2mm is fixed.
4) elongated slot of the elongated slot of cross bar 9 with montant 12 is alignd, connect with upper end fastening screw trip bolt 11 and tightening nut 10.Move cross bar 9 and montant 12 simultaneously, select two array giant magnetoresistance element detection position in the x direction.Moved by the elongated slot of upper end fastening screw trip bolt 11 at cross bar 9, holding device is completely fixed on small size low frequency leakage field sensor.Now cross bar 9 has been connected with montant 12, and two array giant magnetoresistance element detection position is in the x direction fixed.So far small dimension magneto sensitive element holding device installs.
Be more than basic application of the present utility model, application of the present utility model is not limited thereto.
Claims (3)
1. a low frequency leakage field sensor magneto sensitive element clamping combination Multi-axle moving device, is characterized in that: this combination Multi-axle moving device comprises large gauge Multi-axle moving device and small dimension shifter; Wherein large gauge Multi-axle moving device comprises discount (7) in discount (4) under fixing slide block (1), pallet (2), side fastening screw trip bolt (3), L-type, cantilever (5), upper end fastening screw trip bolt (6), L-type;
Pallet (2) is annular construction member, fixing slide block 1 surface is provided with supporting disk, supporting disk is placed in the upper surface of pallet (2), and fixing slide block (1) bottom is provided with slide block, and the internal surface of slide block and pallet (2) is Spielpassung;
Under L-type, in discount (4), L-type, one end of discount (7) is coordinated by draw-in groove, and cooperation place is fastenedly connected by upper end fastening screw trip bolt (6); Under described L-type, in discount (4), upper end fastening screw trip bolt (6), L-type, discount (7) forms U-shaped structure;
Two parallel ends of described U-shaped structure have through hole; Article two, one end of cantilever (5) and this through hole are Spielpassung, and the other end of two cantilevers (5) is provided with supporting foot holder, and the bottom connection of supporting foot holder and pallet (2) touches; Article two, cantilever (5) is respectively equipped with three tapped holes all arranged; Side fastening screw trip bolt (3) and the tapped hole of each cantilever (5) are threaded connection to be fixed fastening by U-shaped structure and two cantilevers (5);
Small dimension holding device comprises dunnage (8), L-type cross bar (9), tightening nut (10), upper fastening screw trip bolt (11), montant (12), lower fastening screw trip bolt (13); Single or multiple small dimension array magnet-sensitive element is fixed in dunnage (8); Dunnage (8) and lower fastening screw trip bolt (13) are connected and fixed, and lower fastening screw trip bolt (13) is slided along the elongated slot of montant (12);
L-type cross bar (9) and upper fastening screw trip bolt (11) are connected and fixed, fastening screw trip bolt (11) slides along the elongated slot of montant (12), and tightening nut (10) coordinates in order to fixed L type cross bar (9) and montant (12) with upper fastening screw trip bolt (11); Upper fastening screw trip bolt (11) by sliding in the elongated slot of L-type cross bar (9).
2. a kind of low frequency leakage field sensor magneto sensitive element clamping combination Multi-axle moving device according to claim 1, is characterized in that: be provided with strong flexible polymer material between large gauge magnet-sensitive element and fixing slide block (1).
3. a kind of low frequency leakage field sensor magneto sensitive element clamping combination Multi-axle moving device according to claim 1, is characterized in that: fixing slide block (1) moves along pallet (2) surface or rotates, to regulate the position of fixing slide block 1; Multiple fixing slide block (1) is established along pallet (2) surface direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520332277.4U CN204756334U (en) | 2015-05-21 | 2015-05-21 | Low frequency leaks magnetic sensor magneto sensor centre gripping combination multiaxis mobile device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520332277.4U CN204756334U (en) | 2015-05-21 | 2015-05-21 | Low frequency leaks magnetic sensor magneto sensor centre gripping combination multiaxis mobile device |
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| CN204756334U true CN204756334U (en) | 2015-11-11 |
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| CN201520332277.4U Withdrawn - After Issue CN204756334U (en) | 2015-05-21 | 2015-05-21 | Low frequency leaks magnetic sensor magneto sensor centre gripping combination multiaxis mobile device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105092694A (en) * | 2015-05-21 | 2015-11-25 | 北京工业大学 | Low-frequency magnetic flux leakage sensor magnetic-sensitive element clamping combined multi-axis mobile device |
-
2015
- 2015-05-21 CN CN201520332277.4U patent/CN204756334U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105092694A (en) * | 2015-05-21 | 2015-11-25 | 北京工业大学 | Low-frequency magnetic flux leakage sensor magnetic-sensitive element clamping combined multi-axis mobile device |
| CN105092694B (en) * | 2015-05-21 | 2019-01-22 | 北京工业大学 | A kind of low frequency leakage field sensor magneto sensor clamping combination Multi-axle moving device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151111 Effective date of abandoning: 20190122 |
|
| AV01 | Patent right actively abandoned |