CN106737283A - A kind of fixture for nmr sensor - Google Patents
A kind of fixture for nmr sensor Download PDFInfo
- Publication number
- CN106737283A CN106737283A CN201611187176.8A CN201611187176A CN106737283A CN 106737283 A CN106737283 A CN 106737283A CN 201611187176 A CN201611187176 A CN 201611187176A CN 106737283 A CN106737283 A CN 106737283A
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- hinge
- retaining mechanism
- snap ring
- supporting plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
Abstract
The invention discloses a kind of fixture for nmr sensor, the fixture includes universal bar, the snap ring for being removably connected to plug and the supporting plate for fixing nmr sensor, wherein, the first connecting rod and second connecting rod of universal bar can adjust both angles by the first axle of end, and lock both relative positions by the first retaining mechanism；Snap ring can be adjusted by second hinge with the axis angle of first connecting rod and locked by the second retaining mechanism；Supporting plate can be adjusted by third hinge with the angle of second connecting rod and locked by the 3rd retaining mechanism.Clamp structure that the present invention is provided is simple, small volume, lightweight, flexibility are strong, is very easy to the fixation and detection of nmr sensor, is applicable to carry out the cluster parachute of composite insulator diverse location the independent detection of engineering site.
Description
Technical field
It is used for nmr sensor the present invention relates to power system detection technical field of auxiliary equipment, more particularly to one kind
Fixture.
Background technology
Nmr sensor can be used to detect the ageing state of composite insulator umbrella skirt.To some peripheral geometries not
It is flat, or the sample of nmr sensor weight can not be born, such as composite electric insulator core bar, composite insulator umbrella skirt, electricity
When the samples such as cable external insulation layer carry out NMR signal measurement, it is desirable to which nmr sensor can be placed on sample surfaces.
Unilateral nmr sensor have small volume, it is portable the characteristics of, be gradually applied to composite insulator umbrella skirt aging measurement work
In work.However, during composite insulator umbrella skirt is detected, existing nmr sensor is difficult fixed placement in needs
On the sample of detection, detection process is caused to operate inconvenience, detection efficiency is low.
Therefore, nmr sensor is easily fixed on detected composite insulator umbrella skirt, be ability
The current technical issues that need to address of field technique personnel.
The content of the invention
In view of this, it is an object of the invention to provide a kind of fixture for nmr sensor, the fixture can be with
Nmr sensor is set easily to be fixed on detected composite insulator umbrella skirt.
To achieve these goals, the invention provides following technical scheme：
A kind of fixture for nmr sensor, including：
Universal bar, including first connecting rod and second connecting rod, the end of the first connecting rod are articulated with institute by first axle
The end of second connecting rod is stated, and the first connecting rod can be adjusted with the axis angle of the second connecting rod by the first axle
Section, the first axle is provided with the first retaining mechanism for locking the first connecting rod and the second connecting rod relative position；
Snap ring for being removably connected to plug, the snap ring is articulated with the another of the first connecting rod by second hinge
One end, and the snap ring can be adjusted with the axis angle of the first connecting rod by the second hinge, the second hinge sets
There is the second retaining mechanism for locking the first connecting rod and the snap ring relative position；
Supporting plate for fixing nmr sensor, the supporting plate is articulated with described second and connects by third hinge
The other end of bar, and the axis of the second connecting rod can be adjusted with the angle of the supporting plate by the third hinge, it is described
Third hinge is provided with the 3rd retaining mechanism for locking the second connecting rod and the supporting plate relative position.
Preferably, in above-mentioned fixture, the first axle is rotating shaft, and the second hinge and the third hinge are
Spherical linkage.
Preferably, in above-mentioned fixture, first retaining mechanism includes the knob for driving the pivot, institute
Stating knob can be fixed with the first connecting rod by the rotating shaft and can compress the rotating shaft and the second connecting rod solid
Fixed, second retaining mechanism and the 3rd retaining mechanism include a check lock lever, and the rotating shaft periphery is provided with edge and moves
The inclined inclined-plane in direction, one end of the check lock lever is connected to the inclined-plane and the other end is connected to the ball of the spherical linkage
Face.
Preferably, in above-mentioned fixture, the first connecting rod and the second connecting rod are hollow tubular structure, described
Check lock lever is slidably disposed in the cavity of the tubular structure.
Preferably, in above-mentioned fixture, the snap ring includes relatively rotating first arc and the second arc of folding connection
Shape plate, the end of first arc is rotatably connected to clamping screw, and the end of second arc is provided with for the lock
The spacing draw-in groove that tight bolt card is fastened.
Preferably, in above-mentioned fixture, the supporting plate is provided with the mounting hole for connecting the nmr sensor.
Preferably, in above-mentioned fixture, the supporting plate is without magnetic metal profile.
Provided by the present invention for the fixture of nmr sensor, including：
Universal bar, including first connecting rod and second connecting rod, the end of first connecting rod are articulated with the second company by first axle
The end of bar, and the axis angle of first connecting rod and second connecting rod can be adjusted by first axle, first axle is provided with for locking
Determine the first retaining mechanism of first connecting rod and second connecting rod relative position；
Snap ring for being removably connected to plug, snap ring is articulated with the other end of first connecting rod by second hinge, and
Snap ring can be adjusted with the axis angle of first connecting rod by second hinge, and second hinge is provided with for locking first connecting rod and snap ring
Second retaining mechanism of relative position；
Supporting plate for fixing nmr sensor, supporting plate is articulated with the another of second connecting rod by third hinge
Hold, and the axis of second connecting rod can be adjusted with the angle of supporting plate by third hinge, third hinge is provided with for locking second
3rd retaining mechanism of connecting rod and supporting plate relative position.
When using, the snap ring clamping of first connecting rod end is fixed on the plug of insulator, then by first axle
Regulation first connecting rod and the angle of second connecting rod, make the supporting plate of second connecting rod end that the core of full skirt is detected needed for being connected and fixed on
In magnetic resonance sensors, while making nmr sensor be close to full skirt surface to be detected.Finally, by the first locking machine
Structure locks the angle of universal bar, and position of the snap ring relative to first connecting rod is locked by the second retaining mechanism, by the 3rd locking
Mechanism's lock support plate just can carry out the detection to full skirt relative to the position of second connecting rod.
Clamp structure that the present invention is provided is simple, small volume, lightweight, flexibility are strong, is very easy to nuclear magnetic resonance
The fixation and detection of sensor, are applicable to carry out the cluster parachute of composite insulator diverse location the independent detection of engineering site.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the overall structure diagram of the fixture in the specific embodiment of the invention；
Fig. 2 is the top view of the fixture in the specific embodiment of the invention；
Fig. 3 is the structural representation of the snap ring in the specific embodiment of the invention；
Fig. 4 is universal bar and supporting plate overall structure diagram in the specific embodiment of the invention；
Fig. 5 is the operation principle schematic diagram of the retaining mechanism in the specific embodiment of the invention；
Fig. 6 is the working state schematic representation of the fixture in the specific embodiment of the invention.
In Fig. 1 to Fig. 6：
1- first axles, 2- second hinges, 3- third hinges, 4- first connecting rods, 5- second connecting rods, 6- snap rings, 7- supports
Plate, 8- check lock levers, 9- nmr sensors, 10- plugs, 101- cluster parachutes, 11- knobs, 12- rotating shafts, the arcs of 61- first,
The arcs of 62- second, 63- pivot pins, the spacing draw-in grooves of 64-, 65- clamping screws, 66- snap ring mounting rods.
Specific embodiment
Core of the invention is to provide a kind of fixture for nmr sensor, and the fixture can make nuclear magnetic resonance
Sensor is easily fixed on detected composite insulator umbrella skirt.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1 to Fig. 6 is refer to, Fig. 1 is the overall structure diagram of the fixture in the specific embodiment of the invention, and Fig. 2 is this
The top view of the fixture in invention specific embodiment, Fig. 3 is the structural representation of the snap ring in the specific embodiment of the invention, Fig. 4
It is the universal bar in the specific embodiment of the invention and supporting plate overall structure diagram, Fig. 5 is in the specific embodiment of the invention
The operation principle schematic diagram of retaining mechanism, Fig. 6 is the working state schematic representation of the fixture in the specific embodiment of the invention.
In a kind of specific embodiment scheme, the invention provides a kind of fixture, it is compound exhausted that the fixture is used for fixed test
The nmr sensor of edge full skirt, the fixture is specifically included：
Universal bar, including first connecting rod 4 and second connecting rod 5, the end of first connecting rod 4 are articulated with by first axle 1
The end of two connecting rods 5, and first connecting rod 4 can be adjusted with the axis angle of second connecting rod 5 by first axle 1, first axle 1 sets
There is the first retaining mechanism for locking first connecting rod 4 and the relative position of second connecting rod 5；
Snap ring 6 for being removably connected to plug 10, snap ring 6 is articulated with the another of first connecting rod 4 by second hinge 2
Hold, and snap ring 6 can be adjusted with the axis angle of first connecting rod 4 by second hinge 2, second hinge 2 is provided with for locking first
Second retaining mechanism of connecting rod 4 and the relative position of snap ring 6；
Supporting plate 7 for fixing nmr sensor 9, supporting plate 7 is articulated with second connecting rod 5 by third hinge 3
The other end, and the axis of second connecting rod 5 can be adjusted with the angle of supporting plate 7 by third hinge 3, and third hinge 3 is provided with use
In locking second connecting rod 5 and the 3rd retaining mechanism of the relative position of supporting plate 7.
It should be noted that above-mentioned snap ring 6 is used to be fixed on universal bar the plug 10 of insulator, universal bar is used to adjust
The position of Joint core magnetic resonance sensors 9, and connect supporting plate 7 to fix sensor in end.Universal bar in this programme includes
Two connecting rods and for being hinged two first axles of connecting rod 1, as shown in figure 1, due to first connecting rod 4 and the axle of second connecting rod 5
The angle of line can be adjusted, therefore, when needing to measure the cluster parachute 101 of diverse location, can be by reversing two connecting rods and leading to
Cross the first retaining mechanism of locking to fix the position of universal bar, its effect is the position for moving nmr sensor 9.
It should be noted that the first axle 1, second hinge 2 and third hinge 3 in this programme can be shaft hinge
Or spherical linkage, those skilled in the art can be according to the size of nmr sensor 9 of required installation and the position of cluster parachute 101
Put to design different types of hinge, as long as the flexible rotating of each coupling part can be realized and the fixation of sensor is met i.e.
Can.Preferably, the first axle 1 in this programme is rotating shaft 12, and second hinge 2 and third hinge 3 are spherical linkage, such as Fig. 1
It is shown.It is further preferred that the shaft centerline of first axle 1 is each perpendicular to two axis of connecting rod.It is arranged such, first connecting rod
4 and both axis angle freely adjustable of second connecting rod 5, snap ring 6 can relative first connecting rod 4 flexibly torsion is different to adapt to
Setting angle, supporting plate 7 can also flexibly be reversed to adapt to the fixed installation of the sensor of diverse location with respect to second connecting rod 5.
It should be noted that snap ring 6 in this programme can by multiple structural forms to realize the fixation with plug 10,
Such as Flexible clamp, detachable latch closure or by other fixed components realizing being detachably fixed connection, it is preferable that in this programme
Snap ring 6 include relatively rotating first arc 61 and the second arc 62 of folding connection, the end of the first arc 61 turns
Dynamic to be connected with clamping screw 65, the end of the second arc 62 is provided with the spacing draw-in groove 64 fixed for the clamping of clamping screw 65.Such as
Shown in Fig. 3, the end of the first arc 61 is additionally provided with the pivot pin 63 for being hinged clamping screw 65, and the periphery of snap ring 6 is fixed with
The snap ring mounting rod 66 being connected with second hinge 2.Wherein, clamping screw 65 can be with respect to the spacing draw-in groove of the end of the second arc 62
64 freely produce or snap in, and when seated, open the first arc 61 and the second arc 62 and plug 10 is snapped in into snap ring 6
In, a snap ring for ring-type 6 is formed after two arcs of closure, during the rotation of clamping screw 65 then snapped in into limiting card groove 64,
Clamping screw 65 is screwed again, it is achieved thereby that snap ring 6 is fixed on plug 10.Snap ring 6 in this programme uses two pieces of semi-rings
The clamp of shape is simultaneously locked with stay bolt, and the closure of snap ring 6 can be adjusted according to the different size of core rod of insulator, is so made
Obtaining the fixture can be fixed on the composite electric insulator core bar of different size or species, to realize nmr sensor 9 pairs not
With the detection of insulator cluster parachute.
It should be noted that the first retaining mechanism, the second retaining mechanism and the 3rd retaining mechanism in this programme can lead to
Cross different structure form to realize fixing the position of two hinge members, for example, machine is fixed by knob hold-down mechanism, pivot pin
Structure, gear matching mechanism, limit card block mechanism, eccentric clamp system etc., above-mentioned these retaining mechanisms can be with Combination Design
Onto corresponding hinge.Preferably, this programme locks the position of all parts using above-mentioned hold-down mechanism, specifically, first
Retaining mechanism includes the knob 11 for the motion of drive shaft 12, and can be fixed simultaneously for rotating shaft 12 and first connecting rod 4 by knob 11
And rotating shaft 12 can be fixed with second connecting rod 5, the second retaining mechanism and the 3rd retaining mechanism include a check lock lever 8,
As shown in figure 5, the periphery of rotating shaft 12 is provided with along the inclined inclined-plane of the direction of motion, one end of check lock lever 8 is connected to the inclined-plane and another
One end is connected to the Surface of Sphere of spherical linkage.It is arranged such, two is compressed while universal bar is fixed by tightening knob 11
The spherical linkage at end, so as to fix whole fixture.
As shown in figure 5, Fig. 5 is the attachment structure sketch of second hinge 2 and the part of first axle 1, third hinge 3 and first
The attachment structure of the part of hinge 1 is similar to therewith.The operation principle of its retaining mechanism is as follows：When knob 11 is screwed, rotating shaft is promoted
12 motions, the inclined-plane of rotating shaft 12 and the end abutment of check lock lever 8, when rotating shaft 12 is promoted inwards, while check lock lever 8 is extruded, lock
The other end and the Surface of Sphere of second hinge 2 that tight bar 8 then has a compressional movement to the direction of second hinge 2, check lock lever 8 are supported
Connect, when check lock lever 8 is pushed outwardly, be just brought into close contact with the Surface of Sphere, it is achieved thereby that total is locked.
It is further preferred that the first connecting rod 4 and second connecting rod 5 in this programme are hollow tubular structure, check lock lever 8
It is slidably disposed in the cavity of the tubular structure, is arranged such, the functional reliability of retaining mechanism can be improved, also causes
Universal bar outward appearance is more attractive in appearance.
It should be noted that supporting plate is used to fix the position of nmr sensor 9, enable the sensor to be close to sample
Surface with complete detect work, it is preferable that the supporting plate 7 in this programme is provided with the installation for connecting nmr sensor 9
Hole, the mounting hole can fix nmr sensor 9 by connection members such as bolts, to enable the sensor to complete independently inspection
Survey work.It is further preferred that the supporting plate 7 in this programme is without magnetic metal profile, such as aluminium sheet or copper coin etc. so set
Put, may further ensure that the steady operation of sensor.
It should be noted that above-mentioned snap ring 6 can be designed as cirque structure, oval ring structure or other ring junctions
Structure, it is preferable that the snap ring 6 in the present embodiment is designed as oval ring structure.Oval ring structure can be provided more plug 10
Added with the clamping of power, it is ensured that be connected firmly.
In this embodiment, the thickness of the snap ring 6 of above-mentioned oval ring structure is 14mm, and inner ring short axle is 28mm, major axis
It is 38mm；Outer shroud short axle is 44mm, and major axis is 54mm.The length of first connecting rod 4 is 116mm, and diameter is by the end of first axle 1
13mm gradual changes of the 18mm to the end of snap ring 6；The length of second connecting rod 5 be 108mm, diameter by the end of first axle 1 14mm to support
The 10mm gradual changes at the end of plate 7.Certainly, the size of above-mentioned snap ring 6 and two connecting rods is only a kind of preferred reality of this programme
Example is applied, the size that those skilled in the art can also redesign the fixture all parts according to the size of tested insulator is big
It is small, for example, the diameter of tested core rod of insulator can be variant according to the difference of voltage class, diameter from 25mm to 50mm,
, it is necessary to change the fixture of different size snap ring according to various sizes of plug 10 when actually used.In addition, the thickness of snap ring 6
Preferably not greater than 20mm, so that installing space narrow between the two panels cluster parachute 101 that is applied on plug 10 (is typically highly
The installing space of 25mm).
Specific work process of the invention is as follows：
When using, the clamping of snap ring 6 of the end of first connecting rod 4 is fixed on the plug 10 of insulator, then by first
Hinge 1 adjusts the angle of first connecting rod 4 and second connecting rod 5, the supporting plate 7 of the end of second connecting rod 5 is connected and fixed on required inspection
Survey on the nmr sensor 9 of full skirt 101, while making nmr sensor 9 be close to the surface of full skirt 101 to be detected.
Finally, the angle of universal bar is locked by the first retaining mechanism, snap ring 6 is locked relative to first connecting rod by the second retaining mechanism
4 position, the position by the 3rd retaining mechanism lock support plate 7 relative to second connecting rod 5 just can be carried out to full skirt 101
Detection.
Clamp structure that the present invention is provided is simple, small volume, lightweight, flexibility are strong, is very easy to nuclear magnetic resonance
The fixation and detection of sensor 9, are applicable to carry out the cluster parachute of composite insulator diverse location the independent detection of engineering site.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The scope most wide for causing.
Claims (7)
1. a kind of fixture for nmr sensor, it is characterised in that including：
Universal bar, including first connecting rod (4) and second connecting rod (5), the end of the first connecting rod (4) pass through first axle (1)
The end of the second connecting rod (5) is articulated with, and the first connecting rod (4) can lead to the axis angle of the second connecting rod (5)
The first axle (1) regulation is crossed, the first axle (1) is provided with and connects with described second for locking the first connecting rod (4)
First retaining mechanism of bar (5) relative position；
Snap ring (6) for being removably connected to plug (10), the snap ring (6) is articulated with described by second hinge (2)
The other end of one connecting rod (4), and the snap ring (6) can be by the second hinge with the axis angle of the first connecting rod (4)
(2) adjust, the second hinge (2) be provided with for lock the first connecting rod (4) and the snap ring (6) relative position second
Retaining mechanism；
Supporting plate (7) for fixing nmr sensor (9), the supporting plate (7) is articulated with institute by third hinge (3)
The other end of second connecting rod (5) is stated, and the axis of the second connecting rod (5) can be by described with the angle of the supporting plate (7)
Third hinge (3) is adjusted, and the third hinge (3) is provided with relative with the supporting plate (7) for locking the second connecting rod (5)
3rd retaining mechanism of position.
2. fixture according to claim 1, it is characterised in that the first axle (1) is rotating shaft (12), second hinge
Chain (2) and the third hinge (3) are spherical linkage.
3. fixture according to claim 2, it is characterised in that first retaining mechanism is included for driving the rotating shaft
(12) motion knob (11), the knob (11) rotating shaft (12) can be fixed with the first connecting rod (4) and
The rotating shaft (12) can be fixed with the second connecting rod (5), second retaining mechanism and the 3rd retaining mechanism
Include a check lock lever (8), rotating shaft (12) periphery is provided with along the inclined inclined-plane of the direction of motion, the check lock lever (8)
One end is connected to the inclined-plane and the other end is connected to the Surface of Sphere of the spherical linkage.
4. fixture according to claim 3, it is characterised in that the first connecting rod (4) and the second connecting rod (5) are
Hollow tubular structure, the check lock lever is slidably disposed in the cavity of the tubular structure.
5. fixture according to claim 1, it is characterised in that the snap ring (6) is including relatively rotating the of folding connection
One arc (61) and the second arc (62), the end of first arc (61) are rotatably connected to clamping screw (65),
The end of second arc (62) is provided with the spacing draw-in groove (64) fixed for the clamping screw (65) clamping.
6. fixture according to claim 1, it is characterised in that the supporting plate (7) is provided with and is total to for connecting the nuclear-magnetism
The mounting hole of vibration sensor (9).
7. fixture according to claim 1, it is characterised in that the supporting plate (7) is without magnetic metal profile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611187176.8A CN106737283A (en) | 2016-12-20 | 2016-12-20 | A kind of fixture for nmr sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611187176.8A CN106737283A (en) | 2016-12-20 | 2016-12-20 | A kind of fixture for nmr sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106737283A true CN106737283A (en) | 2017-05-31 |
Family
ID=58896234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611187176.8A Pending CN106737283A (en) | 2016-12-20 | 2016-12-20 | A kind of fixture for nmr sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106737283A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111060856A (en) * | 2020-01-07 | 2020-04-24 | 厦门大学 | Nuclear magnetic resonance transverse radio frequency coil shaping device and transverse radio frequency coil shaping method |
| CN111541191A (en) * | 2020-04-10 | 2020-08-14 | 国网浙江省电力有限公司丽水供电公司 | Accurate skinning instrument of armoured cable |
| CN113280241A (en) * | 2021-05-28 | 2021-08-20 | 中国飞机强度研究所 | Laser displacement sensor centre gripping frock |
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| JP3644480B2 (en) * | 1998-12-22 | 2005-04-27 | 日産自動車株式会社 | Propeller shaft holding device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111060856A (en) * | 2020-01-07 | 2020-04-24 | 厦门大学 | Nuclear magnetic resonance transverse radio frequency coil shaping device and transverse radio frequency coil shaping method |
| CN111541191A (en) * | 2020-04-10 | 2020-08-14 | 国网浙江省电力有限公司丽水供电公司 | Accurate skinning instrument of armoured cable |
| CN111541191B (en) * | 2020-04-10 | 2021-12-07 | 国网浙江省电力有限公司丽水供电公司 | Accurate skinning instrument of armoured cable |
| CN113280241A (en) * | 2021-05-28 | 2021-08-20 | 中国飞机强度研究所 | Laser displacement sensor centre gripping frock |
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Application publication date: 20170531 |
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| RJ01 | Rejection of invention patent application after publication |