CN203719618U - Quick adjustment installing mechanism for eddy current displacement sensor - Google Patents
Quick adjustment installing mechanism for eddy current displacement sensor Download PDFInfo
- Publication number
- CN203719618U CN203719618U CN201420080943.5U CN201420080943U CN203719618U CN 203719618 U CN203719618 U CN 203719618U CN 201420080943 U CN201420080943 U CN 201420080943U CN 203719618 U CN203719618 U CN 203719618U
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- China
- Prior art keywords
- feed mechanism
- displacement sensor
- eddy current
- current displacement
- quick adjustment
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- 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.)
- Expired - Lifetime
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 77
- 230000033001 locomotion Effects 0.000 claims abstract description 22
- 230000001737 promoting effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model discloses a quick adjustment installing mechanism for an eddy current displacement sensor. The quick adjustment installing mechanism includes a feed mechanism clamp installed on a component to be measured. An eddy current displacement sensor adjustment structure is installed on the feed mechanism clamp. The eddy current displacement sensor adjustment structure includes a feed mechanism stationary portion, a feed transmission portion and a feed mechanism motion portion. The feed mechanism stationary portion is fixedly installed on the feed mechanism clamp. The movable feed transmission portion sleeves in the feed mechanism stationary portion. The end portion of the feed transmission portion is fixedly equipped with the feed mechanism motion portion. The eddy current displacement sensor is installed on the feed mechanism motion portion. Through the adjustment of the feed transmission portion, the eddy current displacement sensor can be moved, so that the distance between the eddy current displacement sensor and the object to be measured is quickly adjusted to achieve the purpose of vibration measurement.
Description
Technical field
The utility model relates to eddy current displacement sensor installing mechanism field, relates 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 the mounting structure > > of < < eddy displacement sensor by name has been shown a kind of mounting structure that is easy to when mounted to adjust the eddy displacement sensor of 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 the screw with 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 during 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 when rotating adjusting sleeve, sensor can be done 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.Do not meet temporarily, fast, the requirement of repeatedly installing.
Utility model content
For above-mentioned defect or deficiency, the purpose of this utility model is to provide a kind of eddy current displacement sensor quick adjustment installing mechanism simple in structure.
For reaching above object, the technical solution of the utility model 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, eddy current displacement sensor is adjusted in structure eddy current displacement sensor is installed.
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, H type support is installed on feed mechanism motion parts, on H type support, eddy current displacement sensor is installed, and the test lead of eddy current displacement sensor is over against 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 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 for promoting the rotary sleeve of feeding running part motion.
Described feeding running part is leading screw, and described rotary sleeve is installed on the thread segment of leading screw.
The lower end of described locating piece is provided with register pin, and register pin is fixed on feed mechanism fixture by pilot hole.
On described feed mechanism stationary part and rotary sleeve, be provided with the scale of measuring practical adjustments distance.
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.
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, the beneficial effects of the utility model are:
The utility model 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 utility model 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 utility model;
Fig. 2 is that the eddy current displacement sensor of eddy current displacement sensor quick adjustment installing mechanism of the present utility model 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 utility model;
Fig. 4 is the feed mechanism lower clamp structural representation of eddy current displacement sensor quick adjustment installing mechanism of the present utility model;
Fig. 5 is clamp structure schematic diagram on the feed mechanism of eddy current displacement sensor quick adjustment installing mechanism of the present utility model.
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 utility model is described in detail.
As Fig. 1, shown in 2, the utility model 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 for promoting the rotary sleeve 14 of feeding running part 1 motion, wherein, feeding running part 1 is leading screw, rotary sleeve 14 is installed on the thread segment of leading screw, when rotating rotary sleeve 14, can drive guide screw movement, and then realize rotatablely moving and be converted into rectilinear motion, realize dwindling of motion simultaneously, the sensitivity of the conventional current vortex sensor 9 of basis in the utility model, 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, in order to make eddy current displacement sensor 9, realize angle and length adjustment in certain limit, 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 lead of eddy current displacement sensor 9 is over against unit under test surface.
As shown in Figure 4,5, in the utility model, 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, by the second double nut 3, realize fastening, guarantee screwfeed mechanism axially over against 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, when feed mechanism moving component 5 moves to desired location, by locking device 4, feed mechanism moving component 5 can be carried out fasteningly, prevent from causing after feed mechanism moving component 5 from moving the error of measuring.
The utility model, 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-during 10V left and right, tighten locking device 4, fixedly feed mechanism motion parts 5, complete 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 surfaces;
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 fixedly feed mechanism motion parts 5, complete adjusting.
The utility model can be realized eddy current displacement sensor 9 and the tested minute adjustment that shows distance by feeding running part 1.The utility model can be used for scene and installs eddy current displacement sensor 9 temporarily additional, especially at needs, realizes fast eddy current displacement sensor 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, eddy current displacement sensor is adjusted in structure eddy current displacement sensor (9) is installed.
2. eddy current displacement sensor quick adjustment installing mechanism according to claim 1, it is characterized in that, 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), H type support (8) is installed on feed mechanism motion parts (5), eddy current displacement sensor (9) is installed on H type support (8), and the test lead of eddy current displacement sensor (9) is over against unit under test surface.
3. eddy current displacement sensor quick adjustment installing mechanism according to claim 2, 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).
4. 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 for promoting the rotary sleeve (14) of feeding running part (1) motion.
5. eddy current displacement sensor quick adjustment installing mechanism according to claim 4, 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.
6. eddy current displacement sensor quick adjustment installing mechanism according to claim 5, is characterized in that, the lower end of described locating piece (15) is provided with register pin (16), and register pin (16) is fixed on feed mechanism fixture by pilot hole (22).
7. eddy current displacement sensor quick adjustment installing mechanism according to claim 5, 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).
8. eddy current displacement sensor quick adjustment installing mechanism according to claim 1, 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).
9. eddy current displacement sensor quick adjustment installing mechanism according to claim 8, 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 8, 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 |
|---|---|---|---|
| CN201420080943.5U CN203719618U (en) | 2014-02-25 | 2014-02-25 | Quick adjustment installing mechanism for eddy current displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420080943.5U CN203719618U (en) | 2014-02-25 | 2014-02-25 | Quick adjustment installing mechanism for eddy current displacement sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203719618U true CN203719618U (en) | 2014-07-16 |
Family
ID=51158759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420080943.5U Expired - Lifetime CN203719618U (en) | 2014-02-25 | 2014-02-25 | Quick adjustment installing mechanism for eddy current displacement sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203719618U (en) |
-
2014
- 2014-02-25 CN CN201420080943.5U patent/CN203719618U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140716 |
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| CX01 | Expiry of patent term |