CN103791806A - Rapid adjustment and installation mechanism for eddy current displacement sensor - Google Patents
Rapid adjustment and installation mechanism for eddy current displacement sensor Download PDFInfo
- Publication number
- CN103791806A CN103791806A CN201410064100.0A CN201410064100A CN103791806A CN 103791806 A CN103791806 A CN 103791806A CN 201410064100 A CN201410064100 A CN 201410064100A CN 103791806 A CN103791806 A CN 103791806A
- Authority
- CN
- China
- Prior art keywords
- feed mechanism
- displacement sensor
- eddy current
- current displacement
- fixture
- 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
Links
Images
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The invention discloses a rapid adjustment and installation mechanism for an eddy current displacement sensor. The rapid adjustment and installation mechanism comprises a feed mechanism clamp arranged on a measured part. An eddy current displacement sensor adjustment structure is arranged on an eddy current displacement sensor clamp. The eddy current displacement sensor adjustment structure comprises a feed mechanism fixed portion, a feed transmission portion and a feed mechanism movable portion, wherein the feed mechanism fixed portion is fixedly arranged on the feed mechanism clamp. The movable feed transmission portion is sleeved with the feed mechanism fixed portion. One end of the feed mechanism portion is fixedly arranged on the feed mechanism movable portion. The eddy current displacement sensor is arranged on the feed mechanism moveable portion. After the feed transmission portion is adjusted, the eddy current displacement sensor can be moved, and therefore the distance between the eddy current displacement sensor and the measured object is rapidly adjusted, and the aim of conducting vibration measurement is achieved.
Description
Technical field
The present invention relates to eddy current displacement sensor installing mechanism field, relate in particular to a kind of eddy current displacement sensor quick adjustment installing mechanism.
Background technology
At present, in nuclear power station, as needing the interim eddy current displacement sensor of installing, the slewings such as main pump carry out vibration survey.Current eddy current displacement sensor mounting bracket is mainly the formula of being permanently fixed, and interim mounting bracket also adopts fixed support form conventionally.
The patent No. is CN201209597Y, and the Chinese patent of " mounting structure of eddy displacement sensor " by name has been shown a kind of mounting structure that is easy to when mounted the eddy displacement sensor of adjusting sensor axial location.The mounting structure of this eddy displacement sensor comprises holder, on holder, have through hole, on the hole wall of through hole, be nested with axial limiting and rotatable adjusting sleeve, in adjusting sleeve, have and the screw of the rotating shaft coaxle of adjusting sleeve, the screw thread of eddy displacement sensor is outer suitable with the screw thread of screw; On holder, be provided with the rotation stop device of adjusting sleeve; Utilize screw thread transmission principle, the top of hand hand-held sensor when adjustment, prevent the transmission of sensor, another hand rotates adjusting sleeve, because being nested on the hole wall of through hole in holder, adjusting sleeve can there is not axial displacement, therefore in the time rotating adjusting sleeve, sensor can do stretching motion in the screw in adjusting sleeve, thereby adjusts the axial location of sensor; After the adjustment of the position of sensor is appropriate, then by rotation stop device, adjusting sleeve is fixed, complete the installation of sensor.
The mounting structure of this eddy displacement sensor has solved the problem that conventional mounting support causes eddy displacement sensor axial location to change because of locking, but also there are some shortcomings, be in particular in three aspects: first, while adjusting eddy displacement sensor position, need external power supply, increased set-up time and external power supply condition restriction; Secondly, this mounting structure eddy displacement sensor adjustable extent is less, cannot grow apart from certain limit in angular adjustment; The 3rd, self cannot realize repetition dismounting this mounting structure, and it is that monolateral nut is fixed for fixing structure, repeats dismounting and easily causes clamping arm to lose efficacy.The requirement that does not meet temporarily, fast, repeatedly installs.
Summary of the invention
For above-mentioned defect or deficiency, the object of the present invention is to provide a kind of eddy current displacement sensor quick adjustment installing mechanism simple in structure.
For reaching above object, technical scheme of the present invention is:
Comprise the feed mechanism fixture being installed on unit under test, eddy current displacement sensor is installed on feed mechanism fixture and adjusts structure, wherein, described eddy current displacement sensor is adjusted structure and is comprised feed mechanism stationary part, feeding running part, feed mechanism motion parts, feed mechanism stationary part is fixedly installed on feed mechanism fixture, in feed mechanism stationary part, be arranged with the feeding running part that can move, the end of feeding running part is installed with feed mechanism motion parts, on feed mechanism motion parts, eddy current displacement sensor is installed.
Described feed mechanism stationary part is sleeve structure, and one end of sleeve structure is provided with locating piece, and the other end of sleeve structure is provided with the rotary sleeve for promoting the motion of feeding running part.
Described feeding running part is leading screw, and described rotary sleeve is installed on the thread segment of leading screw.
On described feed mechanism stationary part and rotary sleeve, be provided with the scale of measuring practical adjustments distance.
H type support is installed on described feed mechanism moving component, on H type support, eddy current displacement sensor is installed, and the test of eddy current displacement sensor is rectified unit under test surface.
Described H type support is divided into U-shaped groove and lower U-shaped groove, and upper U-shaped groove is sticked on feed mechanism moving component, and eddy current displacement sensor is installed in lower U-shaped groove.
Described feed mechanism fixture comprises: fixture and feed mechanism lower clamp on feed mechanism, and feed mechanism lower clamp matches with fixture on feed mechanism, and feed mechanism stationary part is fixed on feed mechanism lower clamp and feed mechanism in fixture.
The lower end of described locating piece is provided with register pin, and register pin, by pilot hole, is fixed on feed mechanism lower clamp.
On described feed mechanism lower clamp, offer groove, feed mechanism moving component is arranged in groove, and on feed mechanism moving component, locking device is installed.
On described feed mechanism, the top of fixture is thread segment, and thread segment is fixedly installed on unit under test.Compared with the prior art, beneficial effect of the present invention is:
The invention provides a kind of eddy current displacement sensor quick adjustment installing mechanism, by eddy current displacement sensor fixture is set on unit under test, and the feeding running part that can move is installed on this fixture, eddy current displacement sensor is installed on to feeding running part, make to regulate after feeding running part, can mobile eddy current displacement sensor, and then adjust fast the distance between eddy current displacement sensor and testee, reach the object of carrying out vibration survey, and, apparatus structure of the present invention is simple, can repeatedly install, realize eddy current displacement sensor quick adjustment.
Accompanying drawing explanation
Fig. 1 is eddy current displacement sensor quick adjustment installing mechanism structural representation of the present invention;
Fig. 2 is that the eddy current displacement sensor of eddy current displacement sensor quick adjustment installing mechanism of the present invention is adjusted structural representation;
Fig. 3 is H type support (8) structural representation of eddy current displacement sensor quick adjustment installing mechanism of the present invention;
Fig. 4 is the feed mechanism lower clamp structural representation of eddy current displacement sensor quick adjustment installing mechanism of the present invention;
Fig. 5 is clamp structure schematic diagram on the feed mechanism of eddy current displacement sensor quick adjustment installing mechanism of the present invention.
In figure, 1 is feeding running part, 1-1 is feed mechanism stationary part, 2 is fixture on feed mechanism, 3 is the second double nut, 4 is locking device, 5 is feed mechanism moving component, 6 is the first nut, 7 is pad, 8 is H type support, 9 is eddy current displacement sensor, 10 is the first double nut, 11 is feed mechanism lower clamp, 12 is bolt, 13 is the second nut, 14 is rotary sleeve, 15 is locating piece, 16 is register pin, 17 is slide block, 18 is screw rod, 19 is scale, 20 is the second semicircle groove, 21 is the first through hole, 22 is pilot hole, 23 is groove, 24 is connecting link, 25 is the second through hole, 26 is the first semicircle groove, 27 is lower U-shaped groove, 28 is U-shaped groove.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
As Fig. 1, shown in 2, the invention provides a kind of eddy current displacement sensor quick adjustment installing mechanism, comprise the feed mechanism fixture being installed on unit under test, eddy current displacement sensor is installed on feed mechanism fixture and adjusts structure, wherein, described eddy current displacement sensor is adjusted structure and is comprised feed mechanism stationary part 1-1, feeding running part 1, feed mechanism motion parts 5, feed mechanism stationary part 1-1 is fixedly installed on feed mechanism fixture, in feed mechanism stationary part 1-1, be arranged with the feeding running part 1 that can move, the end of feeding running part 1 is installed with feed mechanism motion parts 5, eddy current displacement sensor 9 is installed on feed mechanism motion parts 5.
Concrete, feed mechanism stationary part 1-1 is sleeve structure, one end of sleeve structure is provided with locating piece 15, the other end of sleeve structure is provided with the rotary sleeve 14 moving for promoting feeding running part 1, wherein, feeding running part 1 is leading screw, rotary sleeve 14 is installed on the thread segment of leading screw, in the time rotating rotary sleeve 14, can drive guide screw movement, and then realize and will rotatablely move and be converted into rectilinear motion, realize dwindling of motion simultaneously, the sensitivity of the conventional current vortex sensor 9 of basis in the present invention, make 14 1 weeks screwfeed mechanism kinematic part straight ahead 0.5mm of rotary sleeve, further, owing to being provided with the scale 19 of measuring practical adjustments distance on feed mechanism stationary part 1-1 and rotary sleeve 14, therefore, can accurately measure the actual displacement distance of current vortex sensor 9.
As shown in Figure 3, realize angle and length adjustment in certain limit in order to make eddy current displacement sensor 9, H type support is installed on feed mechanism moving component 5, concrete mode is: feed mechanism moving component 5 comprises slide block 17, and be installed on the screw rod 18 on slide block 17, slide block 17 fixed covers are loaded on the end of leading screw, H type support 8 is divided into U-shaped groove 28 and lower U-shaped groove 27, upper U-shaped groove 28 is fixedly installed on screw rod 18 by the first nut 6, and between nut 6 and upper U-shaped groove 28, pad 7 is installed, lower U-shaped groove 27 is provided with eddy current displacement sensor 9 by the first double nut 10, realize fastening, and the test of eddy current displacement sensor 9 is rectified unit under test surface.
As shown in Figure 4,5, in the present invention, feed mechanism fixture comprises: fixture 2 and feed mechanism lower clamp 11 on feed mechanism, feed mechanism lower clamp 11 matches with fixture on feed mechanism 2, on feed mechanism, the center of fixture 2 offers the first semicircle groove 26, and on feed mechanism, the two ends of fixture 2 have been opened in the first through hole 21; Feed mechanism lower clamp 11 center offers the second semicircle groove 20 matching with the first semicircle groove 26, the two ends of feed mechanism lower clamp 11 are opened in the second through hole 25 matching with the first through hole 21, feed mechanism stationary part 1-1 is installed in the first semicircle groove 26 and the second semicircle groove 20, and on feed mechanism, to be installed on bolt 12 and second nut 13 of the first through hole 21 and the second through hole 25 fastening by being arranged at for fixture 2 and feed mechanism lower clamp 11.Connecting link 24 is also installed on fixture 2 on feed mechanism, the top of connecting link 24 is provided with screw thread, the top of connecting link 24 is arranged on the stationary parts of tested device, realize by the second double nut 3 fastening, guarantee screwfeed mechanism axially just to unit under test surface; On feed mechanism lower clamp 11, offer pilot hole 22, the lower end of locating piece 15 is provided with register pin 16, register pin 16 is by pilot hole 22, be fixed on feed mechanism lower clamp 11, and, on feed mechanism lower clamp 11, offer groove 23, feed mechanism moving component 5 is arranged in groove 23, and locking device 4 is installed on feed mechanism moving component 5, in the time that feed mechanism moving component 5 moves to desired location, feed mechanism moving component 5 can be carried out fasteningly by locking device 4, prevent from causing after feed mechanism moving component 5 from moving the error of measuring.
The present invention, by regulating feed mechanism motion parts 5, makes eddy current displacement sensor 9 press close to measured surface, now has two kinds of modes to realize quick adjustment, and adjustment process is:
First kind of way:
First, eddy current displacement sensor 9 is connected with the fore-lying device of eddy current displacement sensor, utilizes multimeter monitoring variable eddy current displacement sensor 9 output voltage values;
Then, the rotary sleeve 14 regulation output voltages on rotating feed mechanism stationary part 1-1, when output voltage values be-when 10V left and right, tighten locking device 4, fixing feed mechanism motion parts 5, completes adjusting;
The second way:
First, the rotary sleeve 14 on rotating feed mechanism stationary part 1-1 makes eddy current displacement sensor 9 contact measured surface;
Then, according to the sensitivity of eddy current displacement sensor 9, calculate while arriving required voltage value, eddy current displacement sensor 9 needs mobile distance;
Finally, the rotary sleeve 14 on reverse rotation feed mechanism stationary part 1-1 reaches the distance of appointment, tightens locking device 4, and fixing feed mechanism motion parts 5, completes adjusting.
The present invention can realize eddy current displacement sensor 9 and the tested minute adjustment that shows distance by feeding running part 1.The present invention can be used for scene and installs eddy current displacement sensor 9 temporarily additional, especially realizes fast eddy current displacement sensor at needs and installs and the occasion regulating, nuclear power station as larger in environmental radiation dose.
Claims (10)
1. an eddy current displacement sensor quick adjustment installing mechanism, it is characterized in that, comprise the feed mechanism fixture being installed on unit under test, eddy current displacement sensor is installed on feed mechanism fixture and adjusts structure, wherein, described eddy current displacement sensor is adjusted structure and is comprised feed mechanism stationary part (1-1), feeding running part (1), feed mechanism motion parts (5), feed mechanism stationary part (1-1) is fixedly installed on feed mechanism fixture, in feed mechanism stationary part (1-1), be arranged with the feeding running part (1) that can move, the end of feeding running part (1) is installed with feed mechanism motion parts (5), eddy current displacement sensor (9) is installed on feed mechanism motion parts (5).
2. eddy current displacement sensor quick adjustment installing mechanism according to claim 1, it is characterized in that, described feed mechanism stationary part (1-1) is sleeve structure, one end of sleeve structure is provided with locating piece (15), and the other end of sleeve structure is provided with the rotary sleeve (14) for promoting feeding running part (1) motion.
3. eddy current displacement sensor quick adjustment installing mechanism according to claim 2, is characterized in that, described feeding running part (1) is leading screw, and described rotary sleeve (14) is installed on the thread segment of leading screw.
4. eddy current displacement sensor quick adjustment installing mechanism according to claim 3, is characterized in that, is provided with the scale (19) of measuring practical adjustments distance on described feed mechanism stationary part (1-1) and rotary sleeve (14).
5. according to the eddy current displacement sensor quick adjustment installing mechanism described in claim 2 or 3, it is characterized in that, H type support (8) is installed on described feed mechanism moving component (5), eddy current displacement sensor (9) is installed on H type support (8), and the test of eddy current displacement sensor (9) is rectified to unit under test surface.
6. eddy current displacement sensor quick adjustment installing mechanism according to claim 5, it is characterized in that, described H type support is divided into U-shaped groove (28) and lower U-shaped groove (27), it is upper that upper U-shaped groove (28) is sticked in feed mechanism moving component (5), and eddy current displacement sensor (9) is installed in lower U-shaped groove (27).
7. eddy current displacement sensor quick adjustment installing mechanism according to claim 2, it is characterized in that, described feed mechanism fixture comprises: fixture on feed mechanism (2) and feed mechanism lower clamp (11), feed mechanism lower clamp (11) matches with fixture on feed mechanism (2), and feed mechanism stationary part (1-1) is fixed on feed mechanism lower clamp (11) and feed mechanism in fixture (2).
8. eddy current displacement sensor quick adjustment installing mechanism according to claim 7, it is characterized in that, the lower end of described locating piece (15) is provided with register pin (16), and register pin (16), by pilot hole (22), is fixed on feed mechanism lower clamp (11).
9. eddy current displacement sensor quick adjustment installing mechanism according to claim 7, it is characterized in that, on described feed mechanism lower clamp (11), offer groove (23), feed mechanism moving component (5) is arranged in groove (23), and on feed mechanism moving component (5), locking device (4) is installed.
10. eddy current displacement sensor quick adjustment installing mechanism according to claim 7, is characterized in that, the top of fixture on described feed mechanism (2) is thread segment, and thread segment is fixedly installed on unit under test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410064100.0A CN103791806A (en) | 2014-02-25 | 2014-02-25 | Rapid adjustment and installation mechanism for eddy current displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410064100.0A CN103791806A (en) | 2014-02-25 | 2014-02-25 | Rapid adjustment and installation mechanism for eddy current displacement sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103791806A true CN103791806A (en) | 2014-05-14 |
Family
ID=50667698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410064100.0A Pending CN103791806A (en) | 2014-02-25 | 2014-02-25 | Rapid adjustment and installation mechanism for eddy current displacement sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103791806A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104309793A (en) * | 2014-11-21 | 2015-01-28 | 武汉理工大学 | Adjustable sensor installation platform |
| CN104931260A (en) * | 2015-07-03 | 2015-09-23 | 哈尔滨工业大学 | An eddy current displacement sensor locating clamping mechanism specially used for a high-speed light and thin gear |
| CN105043529A (en) * | 2015-08-26 | 2015-11-11 | 大连美天测控系统有限公司 | Eddy current sensor reverse loading device |
| CN106092307A (en) * | 2016-06-21 | 2016-11-09 | 核工业理化工程研究院 | The radially caliberating device of vibration-measuring sensor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11183111A (en) * | 1997-12-24 | 1999-07-09 | Toshiba Corp | Method for measuring change in film thickness and its device |
| CN201191202Y (en) * | 2008-04-18 | 2009-02-04 | 上海瑞视仪表电子有限公司 | Static/dynamic detector of full-automatic electric eddy current sensor |
| CN201514229U (en) * | 2009-09-03 | 2010-06-23 | 中广核工程有限公司 | Vortex flow sensor check table |
| CN202041309U (en) * | 2010-12-17 | 2011-11-16 | 东南大学 | Measuring device for dynamic thermal error of press machine |
| CN102538652A (en) * | 2012-01-13 | 2012-07-04 | 西安交通大学 | Calibrating device for eddy sensor |
| CN102564873A (en) * | 2012-01-13 | 2012-07-11 | 西北工业大学 | Wideband measuring device for dynamic mechanical property of viscous-elastic material |
| CN202956135U (en) * | 2012-12-12 | 2013-05-29 | 中广核工程有限公司 | Valve position sensor calibration tool for pilot-operated pressure relief valve (SEBIM valve) in nuclear power plant |
| CN203432677U (en) * | 2013-07-26 | 2014-02-12 | 浙江大学 | Dynamic calibration device of eddy current sensor |
-
2014
- 2014-02-25 CN CN201410064100.0A patent/CN103791806A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11183111A (en) * | 1997-12-24 | 1999-07-09 | Toshiba Corp | Method for measuring change in film thickness and its device |
| CN201191202Y (en) * | 2008-04-18 | 2009-02-04 | 上海瑞视仪表电子有限公司 | Static/dynamic detector of full-automatic electric eddy current sensor |
| CN201514229U (en) * | 2009-09-03 | 2010-06-23 | 中广核工程有限公司 | Vortex flow sensor check table |
| CN202041309U (en) * | 2010-12-17 | 2011-11-16 | 东南大学 | Measuring device for dynamic thermal error of press machine |
| CN102538652A (en) * | 2012-01-13 | 2012-07-04 | 西安交通大学 | Calibrating device for eddy sensor |
| CN102564873A (en) * | 2012-01-13 | 2012-07-11 | 西北工业大学 | Wideband measuring device for dynamic mechanical property of viscous-elastic material |
| CN202956135U (en) * | 2012-12-12 | 2013-05-29 | 中广核工程有限公司 | Valve position sensor calibration tool for pilot-operated pressure relief valve (SEBIM valve) in nuclear power plant |
| CN203432677U (en) * | 2013-07-26 | 2014-02-12 | 浙江大学 | Dynamic calibration device of eddy current sensor |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104309793A (en) * | 2014-11-21 | 2015-01-28 | 武汉理工大学 | Adjustable sensor installation platform |
| CN104309793B (en) * | 2014-11-21 | 2016-06-29 | 武汉理工大学 | Adjustable sensor installing platform |
| CN104931260A (en) * | 2015-07-03 | 2015-09-23 | 哈尔滨工业大学 | An eddy current displacement sensor locating clamping mechanism specially used for a high-speed light and thin gear |
| CN105043529A (en) * | 2015-08-26 | 2015-11-11 | 大连美天测控系统有限公司 | Eddy current sensor reverse loading device |
| CN105043529B (en) * | 2015-08-26 | 2017-11-21 | 大连美天测控系统有限公司 | A kind of anti-assembling device of current vortex sensor |
| CN106092307A (en) * | 2016-06-21 | 2016-11-09 | 核工业理化工程研究院 | The radially caliberating device of vibration-measuring sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203908480U (en) | Shaft sleeve end surface flatness detection device | |
| CN103791806A (en) | Rapid adjustment and installation mechanism for eddy current displacement sensor | |
| CN204788229U (en) | Round detection device that beats | |
| CN104816925A (en) | Sample plate conveying mechanism | |
| CN203103513U (en) | Communication antenna azimuth adjustment system | |
| CN101738346A (en) | Torsion mechanism for testing torsional fatigue of wire | |
| CN204660681U (en) | Sample dish conveyer | |
| CN204758421U (en) | Full -automatic rockwell hardness meter | |
| CN203719618U (en) | Quick adjustment installing mechanism for eddy current displacement sensor | |
| CN204115748U (en) | Probe apparatus for automatically lifting | |
| CN206523385U (en) | A kind of electronic hardometer | |
| CN105716516B (en) | The truck drive shaft device for detecting length that a kind of band has elastic component | |
| CN208968505U (en) | Pipe fitting detecting device and detection system | |
| CN204338620U (en) | A kind of specimen supporting device for cold bending test | |
| CN203942361U (en) | Motor fixing device | |
| CN202522496U (en) | Loading device for shore durometer verification apparatus | |
| CN203615852U (en) | Intermediate diameter runout detection device used for precise screw rod | |
| CN109719755A (en) | A kind of manipulator fixture of adjustable angle | |
| CN109188277A (en) | Linear motor pushing force surge detection testing stand | |
| CN205665298U (en) | High voltage measurement emplacement machinery hand device | |
| CN211306100U (en) | Accurate quantitative adjustment type positioning support for clamp | |
| CN208299939U (en) | A kind of dual camera module detecting device | |
| CN104458090B (en) | Sidewall contact device of logging device universal measurement device | |
| CN201607375U (en) | Twisting mechanism used for wire torsional fatigue test | |
| CN209247516U (en) | A kind of tensile test device of bending material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140514 |