CN105619283A - Transverse vibration clamp adjustable in gravity center and angle - Google Patents
Transverse vibration clamp adjustable in gravity center and angle Download PDFInfo
- Publication number
- CN105619283A CN105619283A CN201510966966.5A CN201510966966A CN105619283A CN 105619283 A CN105619283 A CN 105619283A CN 201510966966 A CN201510966966 A CN 201510966966A CN 105619283 A CN105619283 A CN 105619283A
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- Prior art keywords
- base
- vibration
- bolt
- vertical wall
- fixture
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- Pending
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- 230000005484 gravity Effects 0.000 title claims abstract description 18
- 230000010355 oscillation Effects 0.000 claims description 25
- 238000012546 transfer Methods 0.000 claims description 23
- 238000012360 testing method Methods 0.000 abstract description 14
- 238000013461 design Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 6
- 230000003321 amplification Effects 0.000 abstract description 4
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 4
- 230000035945 sensitivity Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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
-
- 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
- G01H11/08—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention discloses a transverse vibration clamp adjustable in gravity center and angle. The transverse vibration clamp is formed by connecting a base, a connection plate, a bolt and a nut, wherein the bolt and the nut are matched; the base is of an inverted-T-shaped structure from the side view, a sensor installation hole and three kidney-shaped parallel vibration table installation holes distributed in a triangular mode are formed in the round bottom surface of the base, and the vertical wall surface of the base is perpendicular to the round bottom surface; the connection plate is connected to the vertical wall surface through the bolt and the nut, can rotate by 360 degrees and can be adjusted, and a tested sensor is fixedly installed on and connected to the surface of the connection plate. By applying the clamp, vibration tests can be realized in any direction of transverse 360 degrees; the gravity center can be adjusted, and the universality and the stability are high; the resonant frequency is high (the first resonant frequency is 7.8 kHz) and is higher than the upper suitable frequency limit (5 kHz) in GB/T 13823.8; the physical design is optimized, the transverse vibration ratio is smaller than 1.6%, the vibration amplification ratio (30 Hz) is smaller than 0.02%, and the vibration amplification ratio (160 Hz) is smaller than 0.3%; a hexagonal counter bore bolt is installed and fixed in the connection plate, and the torque is convenient to control.
Description
Technical field
The present invention relates to a kind of easy vibrating sensor with can arbitrarily rotate 360 �� of angles and install the adjustable oscillation crosswise fixture of center of gravity, use for the test of vibrating sensor cross sensitivity or demarcation.
Background technology
Cross sensitivity is a conventional index of vibrating sensor, and for examining the sensor rejection ability to 360 �� of Horizonal Disturbing, this index is also the important indicator of piezoelectric vibration pickup. Therefore, the oscillation crosswise mechanism of a kind of adjustable angle is needed when carrying out cross sensitivity test, it is considered to the angular adjustment of test, stability of vibration regulate and this structure of operable and practicality specialized designs.
In the past traditional oscillation crosswise fixture is the bloom structure by being designed to hexagon or octagonal fixed thickness, sensor is then arranged on bloom surface, if changing oscillation crosswise direction when test, need that fixture is unloaded indexing to reinstall, and indexing is fixed as 60 �� or 45 ��, center of vibration changes and unadjustable because of sensor shape and quality. Another kind of traditional structure is for convert vibration table to Lateral Vibration Plane by guide rail mechanism, again through fixture, product is arranged on vibration table, this class formation is higher to the cross slide way plane of oscillation institution requests of vibration table, and equipment entirety heaviness cost is high, and test frequency is relatively low.
Summary of the invention
Considering that the angular adjustment of test, stability of vibration regulate and operable and practicality, the purpose of the present invention has been directed to a kind of center of gravity and arbitrarily angled adjustable oscillation crosswise fixture.
The above-mentioned purpose of the present invention, to be achieved by the following technical programs: a kind of center of gravity and arbitrarily angled adjustable oscillation crosswise fixture, it is characterized in that described oscillation crosswise fixture is by base, transfer panel and supporting bolt, nut connects composition, wherein said base is side-looking is that the circular bottom surface of inverted T-shape structure and base is provided with sensor mounting hole and triangular shape distribution, three parallel vibration tablies install mounting hole, the vertical wall of described base is perpendicular to circular bottom surface, described transfer panel passes through bolt, nut 360 �� of rotations on vertical wall of transferring are adjustable, tested sensor is fixedly attached in transfer panel surface.
Further, it is provided with diagonal rib between side and the circular bottom surface of described vertical wall transfer panel dorsad.
Further, described vertical wall and vibration table install the length of mounting hole to perpendicular.
Further, the length of described bolt meets transfer panel side screw thread socket balancing weight dorsad.
Remarkable result after technical solution of the present invention application implementation is: this fixture can realize laterally 360 �� of any direction vibration-testings; Mounting hole design on basis, standard ARINC tri-hole, center of gravity is adjustable, and versatility and stability are high; Resonant frequency high (one class resonant frequency 7.8kHz), more than the requirement being suitable for upper frequency limit 5kHz in GB/T13823.8; The structural design optimized, oscillation crosswise ratio is less than 1.6%, and vibrates amplification 30Hz less than 0.02%, and 160Hz is less than 0.3%; In transfer panel, hexagonal countersunk bolts is installed fixing, conveniently controls moment of torsion.
Accompanying drawing explanation
The side-looking structural representation of Fig. 1 oscillation crosswise fixture of the present invention.
The Facad structure schematic diagram of fixture shown in Fig. 2.
The plan structure schematic diagram of fixture shown in Fig. 3.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described further, but the present invention is not limited.
As shown in Figure 1 to Figure 3, this oscillation crosswise fixture is summarized: it is by base 1, transfer panel 2 and supporting bolt 3, nut 4 connects composition, wherein base 1 is provided with sensor mounting hole 14d and triangular shape distribution for the circular bottom surface 1 that side-looking is inverted T-shape structure and base, three parallel vibration tablies install mounting hole (14a, 14b, 14c), the vertical wall 12 of this base 1 is perpendicular to circular bottom surface 11, this transfer panel 2 is by bolt 3, nut 4 transfer on vertical wall 12 and 360 �� rotate and adjustable (pass through elasticity bolt, the degree of screwing of nut), tested sensor 5 is fixedly attached in transfer panel 2 surface. illustrating visible, vertical wall 12 and vibration table install the length of mounting hole to perpendicular.
As the further optimization of technique scheme, it is provided with diagonal rib 13 between side and the circular bottom surface 11 of this vertical wall 12 transfer panel 2 dorsad, improves the stability of vibration of whole fixture.
Further, the length of this bolt 3 can design longer, to meet transfer panel side screw thread socket balancing weight dorsad.
Cross sensitivity in order to improve vibrating sensor detects directional resolution, accuracy of detection and quick and comfort level, by adopting the adjustable 360 �� of oscillation crosswise fixtures of center of gravity of the present invention can realize the transversely mounted of sensor simply, easily and install center of gravity adjustment, lightweight, cost is low, test frequency is wide and realizes 360 �� of angle any directions quickly measures.
Center of gravity is adjustable, and 360 �� of oscillation crosswise fixtures are realized by " �� " shape stainless steel structure, fixture installs tested sensor by transfer panel, converts axial vibration to oscillation crosswise by transfer panel. Three be connected with vibration table parallel to the layout and installation mounting hole by the ARINC tri-hole mounting structure translation generation of standard �� 30.18mm, meet ARINC tri-hole mounting structure general in the world, and base regulates counterweight while increasing diagonal rib structure raising stability. Transfer panel and fixture are stainless steel material, transfer panel acierage process and control roughness be 0.8 ��m, within flatness 0.05mm, and embedded interior hexagonal groove, coordinate hexagon-headed bolt to use, improve transverse test concordance by controlling hex nut moment of torsion. Owing to transfer panel and fixture are connected by screw bolt and nut, therefore can realize 360 �� of any directions and rotate, further, it is also possible to regulate counterweight by increasing tapped mass on bolt.
Optimization by overall dimensions, surface quality and structure, it is achieved fixture resonance point is more than the requirement being suitable for upper frequency limit 5kHz in GB/T13823.8. The exchanging structure of disk and bolt can realize the transversely mounted and convenient installation moment of torsion of 360 �� and control. The mounting seat of fixture and vibration table is by the design of mounting hole on the installation foundation of international standard ARINC tri-hole, it is achieved that install the adjustment of center of gravity, reduces stability in oscillation crosswise and test process.
This oscillation crosswise fixture for by transversely mounted for piezoelectric vibration pickup to vibration table. Sensor and fixture are fixed by rotating disk, can carry out 360 �� of rotary test any direction oscillation crosswise. Fixture and vibration table are by the design of mounting hole on the installation foundation of international standard ARINC tri-hole, and scalable installs center of gravity. Fixture passes through the vibration lateral transport of vibration table to sensor, it is achieved oscillation crosswise test and sensitivity calibration.
In sum, this fixture of the application implementation present invention, laterally 360 �� of any direction vibration-testings can be realized; Center of gravity is adjustable, and versatility and stability are high; Resonant frequency high (one class resonant frequency 7.8kHz), more than the requirement being suitable for upper frequency limit 5kHz in GB/T13823.8; The structural design optimized, oscillation crosswise ratio is less than 1.6%, and vibrates amplification 30Hz less than 0.02%, and 160Hz is less than 0.3%; In transfer panel, hexagonal countersunk bolts is installed fixing, conveniently controls moment of torsion.
Claims (4)
1. a center of gravity and arbitrarily angled adjustable oscillation crosswise fixture, it is characterized in that described oscillation crosswise fixture is connected constituted by base, transfer panel and supporting bolt, nut, wherein said base is side-looking is that the circular bottom surface of inverted T-shape structure and base is provided with sensor mounting hole and triangular shape distribution, three parallel vibration tablies install mounting holes, the vertical wall of described base is perpendicular to circular bottom surface, described transfer panel is adjustable by the 360 �� of rotations on vertical wall of transferring of bolt, nut, and tested sensor is fixedly attached in transfer panel surface.
2. center of gravity and arbitrarily angled adjustable oscillation crosswise fixture according to claim 1, it is characterised in that: it is provided with diagonal rib between side and the circular bottom surface of described vertical wall transfer panel dorsad.
3. center of gravity and arbitrarily angled adjustable oscillation crosswise fixture according to claim 1, it is characterised in that: described vertical wall and vibration table install the length of mounting hole to perpendicular.
4. center of gravity and arbitrarily angled adjustable oscillation crosswise fixture according to claim 1, it is characterised in that: the length of described bolt meets transfer panel side screw thread socket balancing weight dorsad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510966966.5A CN105619283A (en) | 2015-12-22 | 2015-12-22 | Transverse vibration clamp adjustable in gravity center and angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510966966.5A CN105619283A (en) | 2015-12-22 | 2015-12-22 | Transverse vibration clamp adjustable in gravity center and angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105619283A true CN105619283A (en) | 2016-06-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510966966.5A Pending CN105619283A (en) | 2015-12-22 | 2015-12-22 | Transverse vibration clamp adjustable in gravity center and angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105619283A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109029889A (en) * | 2018-08-27 | 2018-12-18 | 烟台大学 | A kind of the vibration-testing experimental rig and its test method of blade of aviation engine |
| CN112229505A (en) * | 2020-10-16 | 2021-01-15 | 中国航发沈阳发动机研究所 | Vibration sensor transverse vibration switching block and calibration structure thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10318872A (en) * | 1997-05-21 | 1998-12-04 | Natl Space Dev Agency Japan<Nasda> | Method and device for calibrating force/torque sensor |
| CN2379243Y (en) * | 1999-05-31 | 2000-05-24 | 金宝电子工业股份有限公司 | Universal work-clamping means |
| CN101226095A (en) * | 2008-01-30 | 2008-07-23 | 中国科学院合肥物质科学研究院 | Six-dimension force sensor calibration device |
| CN202057451U (en) * | 2011-05-09 | 2011-11-30 | 延锋伟世通汽车饰件系统有限公司 | High-speed dynamic calibration device for thin-film force transducer |
| CN102564685A (en) * | 2011-12-27 | 2012-07-11 | 中国科学院合肥物质科学研究院 | Multi-dimensional force sensor dynamic experiment device based on stable-state sine exciting force |
| CN103196629A (en) * | 2013-03-30 | 2013-07-10 | 大连交通大学 | Six-dimensional sensor calibration device |
| CN203227958U (en) * | 2013-04-11 | 2013-10-09 | 海盐金凌机械设备有限公司 | Fixing device for welding connecting pipe assemblies of vibrating screens |
| CN103604561A (en) * | 2013-11-27 | 2014-02-26 | 东南大学 | Calibration device and method of six-axis force/torque sensor |
| CN204366429U (en) * | 2014-12-13 | 2015-06-03 | 天津中鼎铝业有限公司 | A kind of rotary table of intermetallic composite coating |
| CN104972325A (en) * | 2015-06-29 | 2015-10-14 | 柳州市邕达工配厂 | Fixture for fixing bearing sleeve |
-
2015
- 2015-12-22 CN CN201510966966.5A patent/CN105619283A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10318872A (en) * | 1997-05-21 | 1998-12-04 | Natl Space Dev Agency Japan<Nasda> | Method and device for calibrating force/torque sensor |
| CN2379243Y (en) * | 1999-05-31 | 2000-05-24 | 金宝电子工业股份有限公司 | Universal work-clamping means |
| CN101226095A (en) * | 2008-01-30 | 2008-07-23 | 中国科学院合肥物质科学研究院 | Six-dimension force sensor calibration device |
| CN202057451U (en) * | 2011-05-09 | 2011-11-30 | 延锋伟世通汽车饰件系统有限公司 | High-speed dynamic calibration device for thin-film force transducer |
| CN102564685A (en) * | 2011-12-27 | 2012-07-11 | 中国科学院合肥物质科学研究院 | Multi-dimensional force sensor dynamic experiment device based on stable-state sine exciting force |
| CN103196629A (en) * | 2013-03-30 | 2013-07-10 | 大连交通大学 | Six-dimensional sensor calibration device |
| CN203227958U (en) * | 2013-04-11 | 2013-10-09 | 海盐金凌机械设备有限公司 | Fixing device for welding connecting pipe assemblies of vibrating screens |
| CN103604561A (en) * | 2013-11-27 | 2014-02-26 | 东南大学 | Calibration device and method of six-axis force/torque sensor |
| CN204366429U (en) * | 2014-12-13 | 2015-06-03 | 天津中鼎铝业有限公司 | A kind of rotary table of intermetallic composite coating |
| CN104972325A (en) * | 2015-06-29 | 2015-10-14 | 柳州市邕达工配厂 | Fixture for fixing bearing sleeve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109029889A (en) * | 2018-08-27 | 2018-12-18 | 烟台大学 | A kind of the vibration-testing experimental rig and its test method of blade of aviation engine |
| CN109029889B (en) * | 2018-08-27 | 2023-09-26 | 烟台大学 | Vibration test device and method for aero-engine blade |
| CN112229505A (en) * | 2020-10-16 | 2021-01-15 | 中国航发沈阳发动机研究所 | Vibration sensor transverse vibration switching block and calibration structure thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160601 |