CN105865615B - The caliberating device of axial vibration-measuring sensor - Google Patents
The caliberating device of axial vibration-measuring sensor Download PDFInfo
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- CN105865615B CN105865615B CN201610445881.7A CN201610445881A CN105865615B CN 105865615 B CN105865615 B CN 105865615B CN 201610445881 A CN201610445881 A CN 201610445881A CN 105865615 B CN105865615 B CN 105865615B
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- differential head
- hole
- supporter
- support
- fulcrum bearing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention discloses a kind of caliberating devices of axial vibration-measuring sensor, including the fulcrum bearing being fixed in experimental rig through-hole, the fulcrum bearing lower end is provided with differential head bracket, differential head bracket lower end is provided with dead-beat differential head, the free end of dead-beat differential head is connected after passing through differential head bracket with chuck component, supporter is provided on chuck component, the supporter is connected after passing through fulcrum bearing with sensor.The present invention uses dead-beat differential head, and rotary motion will not be generated when the measuring rod of the differential head moves in a straight line, and drives test specimen along axial linear movement, adjusts the distance between test specimen and sensor, provides reliable caliberating device for axial direction staking-out work.
Description
Technical field
The invention belongs to a kind of caliberating devices, and in particular to a kind of caliberating device of axial direction vibration-measuring sensor.
Background technique
In axial vibration test, need using vibration-measuring sensor (eddy current displacement sensor), vibration-measuring sensor is being surveyed
It needs to demarcate the gap voltage curve of sensor before examination, with sensitivity needed for obtaining vibration-testing, due to sensing
Device will receive the influence of many factors, so transducer calibration work must be completed at the scene, so needing a kind of device can
Change the gap between sensor and testpieces, to complete staking-out work.Currently, there is no a kind of reliable axial vibration measuring sensing
The staking-out work of device caliberating device completion sensor.
Summary of the invention
The present invention proposes in order to solve the problems existing in the prior art, and the purpose is to provide a kind of axial vibration-measuring sensor
Caliberating device.
The technical scheme is that a kind of caliberating device of axial direction vibration-measuring sensor, including be fixed on experimental rig and lead to
Fulcrum bearing in hole, the fulcrum bearing lower end are provided with differential head bracket, and differential head bracket lower end is provided with straight decline
Separately, the free end of dead-beat differential head is connected after passing through differential head bracket with chuck component, and support is provided on chuck component
Body, the supporter are connected after passing through fulcrum bearing with sensor.
The fulcrum bearing includes the internal support fixed column for forming through-hole, and the support fixed column lower end forms support positioning
Hole, the fixed column outer wall of the support form No. I ring flange and No. II ring flange at a spacing from top to bottom.
The differential head bracket includes the positioning ring being inserted into support location hole, and the positioning ring outer wall is formed and No. II
The mounting flange that ring flange matches, the mounting flange lower end form the connecting plate of L shape, and the connecting plate forms and determines
Ring coaxial differential head location hole in position also forms the locking hole of locking differential head location hole in the connecting plate.
The chuck component includes the screw rod being connected with supporter lower end, and screw rod lower end forms positioning column, the positioning column
Lower end forms clamping body, forms mounting hole in the clamping body, the external wall of clamping is provided with locknut.
The supporter lower end forms the location hole that countersunk head shape is matched with positioning column, and the location hole bottom hole is formed and spiral shell
The threaded hole that bar is threadedly engaged.
The present invention uses dead-beat differential head, and rotary motion will not be generated when the measuring rod of the differential head moves in a straight line,
It drives test specimen along axial linear movement, adjusts the distance between test specimen and sensor, provide reliable mark for axial direction staking-out work
Determine device.
Detailed description of the invention
Fig. 1 is main view of the invention；
Fig. 2 is the perspective view of support base in the present invention；
Fig. 3 is the perspective view of differential head bracket in the present invention；
Fig. 4 is the perspective view of chuck component in the present invention；
Fig. 5 is the perspective view of supporter in the present invention；
Wherein:
1 experimental rig, 2 fulcrum bearing
3 differential head bracket, 4 dead-beat differential head
5 chuck component, 6 supporter
7 sensors 8 support fixed column
9 support 10 No. I ring flanges of location hole
11 No. II 12 positioning rings of ring flange
13 connecting plate, 14 differential head location hole
15 locking hole, 16 mounting flange
17 screw rod, 18 positioning column
19 mounting hole, 20 locknut
21 location hole, 22 threaded hole.
Specific embodiment
Hereinafter, referring to drawings and examples, the present invention is described in detail:
As shown in Figure 1, a kind of caliberating device of axial direction vibration-measuring sensor, including the branch being fixed in 1 through-hole of experimental rig
Seat 2 is held, 2 lower end of fulcrum bearing is provided with differential head bracket 3, and 3 lower end of differential head bracket is provided with dead-beat differential head
4, the free end of dead-beat differential head 4 is connected after passing through differential head bracket 3 with chuck component 5, and support is provided on chuck component 5
Body 6, the supporter 6 are connected after passing through fulcrum bearing 2 with sensor 7.
As shown in Fig. 2, the fulcrum bearing 2 includes the internal support fixed column 8 for forming through-hole, under the support fixed column 8
End forms support location hole 9, and support 8 outer wall of fixed column forms No. I 10 He of ring flange at a spacing from top to bottom
No. II ring flange 11.
Multiple through-holes are evenly equipped with along axis in No. I ring flange 10 and No. II ring flange 11.
As shown in figure 3, the differential head bracket 3 includes the positioning ring 12 being inserted into support location hole 9, the positioning ring
12 outer walls form the mounting flange 16 matched with No. II ring flange 11, and 16 lower end of mounting flange forms the company of L shape
Fishplate bar 13 forms the differential head location hole 14 coaxial with positioning ring 12 in the connecting plate 13, is also formed in the connecting plate 13
Lock the locking hole 15 of differential head location hole 14.
As shown in figure 4, the chuck component 5 includes the screw rod 17 being connected with 6 lower end of supporter, 17 lower end of screw rod forms fixed
Position column 18,18 lower end of positioning column form clamping body, and mounting hole 19, the external wall setting of clamping are formed in the clamping body
There is locknut 20.
As shown in figure 5,6 lower end of supporter forms the location hole 21 that countersunk head shape is matched with positioning column 18, it is described fixed
Position 21 bottom hole of hole forms the threaded hole 22 being threadedly engaged with screw rod 17.
Installation process of the invention is as follows:
Dead-beat differential head 4 is pierced into the differential head location hole 14 of differential head bracket 3, it is right in locking hole 15 to be screwed into screw
Dead-beat differential head 4 is fixed.The measuring rod of dead-beat differential head 4 is linked together with supporter with chuck component 5,
In assembling process, the measuring rod of dead-beat differential head 4 is installed into the mounting hole 19 of chuck component, by the positioning of chuck component 5
Column 18 is installed into the location hole 21 of supporter 6, while the screw rod of chuck component 5 17 and the threaded hole 22 of supporter 6 being cooperated
It screws.The supporter 6 fitted together, differential head bracket 3, chuck component 5, dead-beat differential head 4 are installed along with support
On seat 2, the positioning ring 12 of differential head bracket 3 and the support location hole 9 of fulcrum bearing 2 cooperate positioning, and pass through No. II ring flange
11, mounting flange 16 and screw are fixedly connected.The through-hole of the support fixed column 8 of fulcrum bearing 2 and experimental rig 1 is matched
Close cooperation, and be fixed by No. I ring flange, and with screw by axial gap caliberating device is whole and experimental rig 1 into
Row is connected and fixed.In use, dead-beat differential head 4 drives supporter 6 to carry out axial linear motion, supporter 6
Support end support testpieces do axial linear motion, so as to adjust the distance between test specimen and sensor 7, carry out calibration work
Make.
Wherein the support end of supporter 6 can do structural adjustment according to the structure of test specimen.
The present invention uses dead-beat differential head, and rotary motion will not be generated when the measuring rod of the differential head moves in a straight line,
It drives test specimen along axial linear movement, adjusts the distance between test specimen and sensor, provide reliable mark for axial direction staking-out work
Determine device.
Claims (5)
1. a kind of caliberating device of axial direction vibration-measuring sensor, including the fulcrum bearing (2) being fixed in experimental rig (1) through-hole,
Be characterized in that: fulcrum bearing (2) lower end is provided with differential head bracket (3), and differential head bracket (3) lower end is provided with straight
It declines separately (4), the free end of dead-beat differential head (4) passes through differential head bracket (3) and is connected afterwards with chuck component (5), collet
It is provided on component (5) supporter (6), the supporter (6) passes through fulcrum bearing (2) and is connected afterwards with sensor (7), straight to decline
(4) driving supporter (6) separately carries out axial linear motion, the support end support of supporter (6) testpieces do it is axial straight
Line movement, so as to adjust the distance between test specimen and sensor (7).
2. the caliberating device of axial direction vibration-measuring sensor according to claim 1, it is characterised in that: fulcrum bearing (2) packet
The internal support fixed column (8) for forming through-hole is included, the support fixed column (8) lower end forms support location hole (9), the support
Fixed column (8) outer wall forms No. I ring flange (10) and No. II ring flange (11) at a spacing from top to bottom.
3. the caliberating device of axial direction vibration-measuring sensor according to claim 2, it is characterised in that: the differential head bracket
It (3) include the positioning ring (12) being inserted into support location hole (9), positioning ring (12) outer wall is formed and No. II ring flange
(11) mounting flange (16) matched, mounting flange (16) lower end form the connecting plate (13) of L shape, the connection
The differential head location hole (14) coaxial with positioning ring (12) is formed in plate (13), also forms locking differential in the connecting plate (13)
The locking hole (15) of head location hole (14).
4. the caliberating device of axial direction vibration-measuring sensor according to claim 1, it is characterised in that: the chuck component (5)
Including the screw rod (17) being connected with supporter (6) lower end, screw rod (17) lower end forms positioning column (18), under the positioning column (18)
End forms clamping body, forms mounting hole (19) in the clamping body, the external wall of clamping is provided with locknut (20).
5. the caliberating device of axial direction vibration-measuring sensor according to claim 4, it is characterised in that: under the supporter (6)
End forms the location hole (21) that countersunk head shape is matched with positioning column (18), and location hole (21) bottom hole is formed and screw rod (17) spiral shell
The threaded hole (22) of line cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610445881.7A CN105865615B (en) | 2016-06-21 | 2016-06-21 | The caliberating device of axial vibration-measuring sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610445881.7A CN105865615B (en) | 2016-06-21 | 2016-06-21 | The caliberating device of axial vibration-measuring sensor |
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| Publication Number | Publication Date |
|---|---|
| CN105865615A CN105865615A (en) | 2016-08-17 |
| CN105865615B true CN105865615B (en) | 2019-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610445881.7A Active CN105865615B (en) | 2016-06-21 | 2016-06-21 | The caliberating device of axial vibration-measuring sensor |
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Families Citing this family (1)
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| CN113310567A (en) * | 2021-07-05 | 2021-08-27 | 核工业理化工程研究院 | Universal radial vibration sensor calibration device and method for special rotating machinery |
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|---|---|---|---|---|
| SU1580152A1 (en) * | 1988-04-04 | 1990-07-23 | Харьковский филиал Центрального конструкторского бюро Союзэнергоремонта | Device for calibrating meter of linear displacements |
| KR20090052075A (en) * | 2007-11-20 | 2009-05-25 | 한국항공우주연구원 | Calibration apparatus for displacement sensor and system thereof |
| CN202133349U (en) * | 2011-02-14 | 2012-02-01 | 北京耐尔仪器设备有限公司 | Calibrating device for non-contact displacement sensor |
| CN202255263U (en) * | 2011-07-28 | 2012-05-30 | 南昌航空大学 | Visual calibration device for displacement sensor |
| CN102538652A (en) * | 2012-01-13 | 2012-07-04 | 西安交通大学 | Calibrating device for eddy sensor |
| CN202533170U (en) * | 2012-04-13 | 2012-11-14 | 核工业理化工程研究院 | Installing device of sensor |
| CN103644835A (en) * | 2013-12-29 | 2014-03-19 | 中国科学技术大学 | Device for measuring temperature drift coefficient of eddy current displacement sensor |
| CN204142686U (en) * | 2014-10-31 | 2015-02-04 | 武汉钢铁(集团)公司 | Ultrasonic fatigue testing vibration displacement caliberating device |
| CN205748620U (en) * | 2016-06-21 | 2016-11-30 | 核工业理化工程研究院 | A kind of caliberating device of axial vibration-measuring sensor |
-
2016
- 2016-06-21 CN CN201610445881.7A patent/CN105865615B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1580152A1 (en) * | 1988-04-04 | 1990-07-23 | Харьковский филиал Центрального конструкторского бюро Союзэнергоремонта | Device for calibrating meter of linear displacements |
| KR20090052075A (en) * | 2007-11-20 | 2009-05-25 | 한국항공우주연구원 | Calibration apparatus for displacement sensor and system thereof |
| CN202133349U (en) * | 2011-02-14 | 2012-02-01 | 北京耐尔仪器设备有限公司 | Calibrating device for non-contact displacement sensor |
| CN202255263U (en) * | 2011-07-28 | 2012-05-30 | 南昌航空大学 | Visual calibration device for displacement sensor |
| CN102538652A (en) * | 2012-01-13 | 2012-07-04 | 西安交通大学 | Calibrating device for eddy sensor |
| CN202533170U (en) * | 2012-04-13 | 2012-11-14 | 核工业理化工程研究院 | Installing device of sensor |
| CN103644835A (en) * | 2013-12-29 | 2014-03-19 | 中国科学技术大学 | Device for measuring temperature drift coefficient of eddy current displacement sensor |
| CN204142686U (en) * | 2014-10-31 | 2015-02-04 | 武汉钢铁(集团)公司 | Ultrasonic fatigue testing vibration displacement caliberating device |
| CN205748620U (en) * | 2016-06-21 | 2016-11-30 | 核工业理化工程研究院 | A kind of caliberating device of axial vibration-measuring sensor |
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| Title |
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| 位移传感器静态自动标定及测试结果分析;丁美莹等;《传感器世界》;20100331;第16卷(第3期);第14-16页 |
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| CN105865615A (en) | 2016-08-17 |
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