CN102840906A - Device for detecting inherent frequency of workpiece - Google Patents
Device for detecting inherent frequency of workpiece Download PDFInfo
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- CN102840906A CN102840906A CN2011103320972A CN201110332097A CN102840906A CN 102840906 A CN102840906 A CN 102840906A CN 2011103320972 A CN2011103320972 A CN 2011103320972A CN 201110332097 A CN201110332097 A CN 201110332097A CN 102840906 A CN102840906 A CN 102840906A
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- workpiece
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- vibration detecting
- hammer
- knocking
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Abstract
The invention discloses a device for detecting the inherent frequency of a workpiece, which is characterized in that the device comprises a workpiece vibration detection sensor (1), a knocking hammer (2), a knocking hammer vibration detection sensor (3) and a data processing module (4), wherein the workpiece vibration detection sensor (1) is fixedly arranged on the surface of a detected workpiece (5), and the knocking hammer vibration detection sensor (3) is fixedly arranged on the knocking hammer (2) for knocking the detected workpiece (5); and the workpiece vibration detection sensor (1) and the knocking hammer vibration detection sensor (3) are both connected with the data processing module (4). According to the invention, the detection operation of the device is completed through the knocking action of the knocking hammer (2). The device disclosed by the invention is simple in structure, high in reliability, small in volume, light in weight, convenient and flexible to use and carry, and good in technical effect.
Description
Technical field
The present invention relates to a kind of workpiece natural frequency pick-up unit.
Background technology
In the prior art, the natural frequency pick-up unit of workpiece is bulky usually, not with flexible use.People urgently hope to obtain a kind of simply small and exquisite, workpiece natural frequency pick-up unit that technique effect is good.
Summary of the invention
The purpose of this invention is to provide the good workpiece natural frequency pick-up unit of a kind of technique effect.
The invention provides a kind of workpiece natural frequency pick-up unit, it is characterized in that: be constructed as follows: Workpiece vibration detecting sensor 1, knock hammer 2, knock hammer vibration detecting sensor 3, data processing module 4; Wherein: Workpiece vibration detecting sensor 1 fixed and arranged is on measured workpiece 5 surfaces, knocks hammer vibration detecting sensor 3 fixed and arranged and knocks hammer 2 what be used to knock measured workpiece 5;
Workpiece vibration detecting sensor 1 with knock the hammer vibration detecting sensor 3 all be connected with data processing module 4.
Said workpiece natural frequency pick-up unit is characterized in that:
The present invention is situated between through the hammer action of knocking hammer 2 and is this device completion testing.The present invention is simple in structure, and reliability is high, and volume is little in light weight, and easy to use and carry flexible, technique effect is good.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed explanation:
Fig. 1 is a workpiece natural frequency pick-up unit principle of compositionality simplified schematic diagram.
Embodiment
A kind of workpiece natural frequency pick-up unit, it is constructed as follows: Workpiece vibration detecting sensor 1, knock hammer 2, knock hammer vibration detecting sensor 3, data processing module 4; Wherein: Workpiece vibration detecting sensor 1 fixed and arranged is on measured workpiece 5 surfaces, knocks hammer vibration detecting sensor 3 fixed and arranged and knocks hammer 2 what be used to knock measured workpiece 5;
Workpiece vibration detecting sensor 1 with knock the hammer vibration detecting sensor 3 all be connected with data processing module 4.
Present embodiment is situated between through the hammer action of knocking hammer 2 and is this device completion testing.The present invention is simple in structure, and reliability is high, and volume is little in light weight, and easy to use and carry flexible, technique effect is good.
Claims (2)
1. workpiece natural frequency pick-up unit is characterized in that: be constructed as follows: Workpiece vibration detecting sensor (1), knock hammer (2), knock hammer vibration detecting sensor (3), data processing module (4); Wherein: Workpiece vibration detecting sensor (1) fixed and arranged is on measured workpiece (5) surface, knocks hammer vibration detecting sensor (3) fixed and arranged and knocks hammer (2) what be used to knock measured workpiece (5);
Workpiece vibration detecting sensor (1) with knock the hammer vibration detecting sensor (3) all be connected with data processing module (4).
2. according to the said workpiece natural frequency of claim 1 pick-up unit, it is characterized in that:
Data processing module (4) specifically constitutes: signal amplifier (401), data collector (402), controller (403); Wherein: signal amplifier (401) is simultaneously hammered vibration detecting sensor (3) into shape and is connected with knocking with Workpiece vibration detecting sensor (1), and signal amplifier (401) also is connected with controller (403) through data collector (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103320972A CN102840906A (en) | 2011-10-28 | 2011-10-28 | Device for detecting inherent frequency of workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103320972A CN102840906A (en) | 2011-10-28 | 2011-10-28 | Device for detecting inherent frequency of workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102840906A true CN102840906A (en) | 2012-12-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103320972A Pending CN102840906A (en) | 2011-10-28 | 2011-10-28 | Device for detecting inherent frequency of workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102840906A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907206A (en) * | 2017-11-15 | 2018-04-13 | 大连交通大学 | A kind of intrinsic frequency on-line detecting system |
| CN108871550A (en) * | 2018-06-01 | 2018-11-23 | 浙江欧迪恩传动科技股份有限公司 | Intrinsic frequency acquisition device for automobile axle shaft |
| CN110586941A (en) * | 2019-08-26 | 2019-12-20 | 华中科技大学 | Deformation control system and method in metal part additive manufacturing process |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003302282A (en) * | 2002-04-11 | 2003-10-24 | Akashi Corp | Vibration meter |
| CN101025856A (en) * | 2007-02-08 | 2007-08-29 | 浙江大学 | Data acquisition device and method for low frequency vibration detection |
| CN101318561A (en) * | 2008-06-13 | 2008-12-10 | 华南理工大学 | Simulated space windsurf board torsional vibration control device and method based on angular rate gyroscope |
| CN101446572A (en) * | 2008-12-17 | 2009-06-03 | 重庆交通大学 | Device for detecting cavity beneath structure panel by instantaneous impulsion method and detection method thereof |
| CN101813666A (en) * | 2010-04-16 | 2010-08-25 | 成都成运科技有限责任公司 | Transient vibration detection method for ballastless track soundness |
| CN202305004U (en) * | 2011-10-28 | 2012-07-04 | 南通天华和睿科技创业有限公司 | Device for detecting inherent frequency of workpiece |
-
2011
- 2011-10-28 CN CN2011103320972A patent/CN102840906A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003302282A (en) * | 2002-04-11 | 2003-10-24 | Akashi Corp | Vibration meter |
| CN101025856A (en) * | 2007-02-08 | 2007-08-29 | 浙江大学 | Data acquisition device and method for low frequency vibration detection |
| CN101318561A (en) * | 2008-06-13 | 2008-12-10 | 华南理工大学 | Simulated space windsurf board torsional vibration control device and method based on angular rate gyroscope |
| CN101446572A (en) * | 2008-12-17 | 2009-06-03 | 重庆交通大学 | Device for detecting cavity beneath structure panel by instantaneous impulsion method and detection method thereof |
| CN101813666A (en) * | 2010-04-16 | 2010-08-25 | 成都成运科技有限责任公司 | Transient vibration detection method for ballastless track soundness |
| CN202305004U (en) * | 2011-10-28 | 2012-07-04 | 南通天华和睿科技创业有限公司 | Device for detecting inherent frequency of workpiece |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907206A (en) * | 2017-11-15 | 2018-04-13 | 大连交通大学 | A kind of intrinsic frequency on-line detecting system |
| CN108871550A (en) * | 2018-06-01 | 2018-11-23 | 浙江欧迪恩传动科技股份有限公司 | Intrinsic frequency acquisition device for automobile axle shaft |
| CN110586941A (en) * | 2019-08-26 | 2019-12-20 | 华中科技大学 | Deformation control system and method in metal part additive manufacturing process |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121226 |