CN104180960B - A kind of fixture for being used to be fixed on part to be measured on test platform - Google Patents
A kind of fixture for being used to be fixed on part to be measured on test platform Download PDFInfo
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- CN104180960B CN104180960B CN201410410745.5A CN201410410745A CN104180960B CN 104180960 B CN104180960 B CN 104180960B CN 201410410745 A CN201410410745 A CN 201410410745A CN 104180960 B CN104180960 B CN 104180960B
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Abstract
In the present invention is for the fixture that current transformer is fixed on vibration-testing platform, be fixed with bridge piece, fixture includes on part to be measured：Base, it is fixed on vibration-testing platform；Support component, it is fixed on the relative both sides of base, and supports part to be measured by bridge piece；And fixation kit, it is used to part to be measured being fixed on support component.When the size of current transformer exceeds the size of base, it still is able to use the fixture.And when current transformer exceeds the size of vibration-testing platform in the size of a direction, the vibration performance of the fixture and the vibration-testing platform test current transformer, save trouble and labor still can be used.
Description
Technical field
The present invention relates to a kind of fixture, a kind of particularly fixture for being used to be fixed on part to be measured on test platform.
Background technology
Between product is come into operation, it is often necessary to carry out various tests to product.For example, vibration test is used for simulating
The influence for the various vibration environments that product is suffered under transport, installation or use environment, so as to determine that product whether can
Bear vibration under circumstances.
At present, the vibration test of current transformer is often progress on 3.5m × 3m vibration-testing platform in mesa dimensions.Enter
During row vibration test, current transformer is typically fixed on vibration-testing platform by fixture.The fixture includes generally rectangular bottom
Seat, be fixed on base surrounding support component, and the cover plate covered above support component.By base, support component and
Cover plate surrounds the space of closing.When needing to test the vibration performance of current transformer, first secure fixtures on vibration-testing platform, so
Current transformer is arranged on to the inside of fixture again afterwards.After installation to be done, then tested.
But, with the continuous progress of technology, current transformer mainly develops to highly integrated direction.For example, traction convertor and
AuCT integration turns into a kind of new development trend.So, the size of current transformer can be caused exponentially to increase.Work as unsteady flow
It is bothersome laborious, it is necessary to re-replace fixture when device change in size for example along its length and the size beyond the base of fixture.
Therefore, how to solve when part to be measured change in size in one direction and the size beyond base, it is necessary to again
The problem of changing fixture, is those skilled in the art's technical issues that need to address.
The content of the invention
In view of the above-mentioned problems, the present invention propose it is a kind of be used to being clamped in part to be measured into fixture on test platform, when treating
When surveying size of the part along a direction beyond the size of the base of fixture, it is nonetheless possible to use the fixture.
In the fixture for being used to be fixed on part to be measured on test platform of the present invention, wherein, it is fixed with the part to be measured
Bridge piece, the fixture includes：Base, it is fixed on the vibration-testing platform；Support component, it is fixed on the base
Relative both sides on, and pass through the bridge piece and support the part to be measured；And fixation kit, it is used for the part to be measured
It is fixed in the support component.
When part to be measured is arranged on fixture, part to be measured has relative both sides to be in free state, i.e. fixture is provided with
Opening end, and part to be measured can stretch out the outside of base by the opening end.So, when part to be measured is in the size in some direction
During beyond the size of base, it still is able to use the base, therefore be not required to re-replace fixture.And when part to be measured is in a direction
Size when exceeding the size of test platform, the size of base can be made to be less than or equal to the size of vibration-testing platform, and treated
Survey part and stretch out base and outside test platform.So, the fixture and the test platform still can be used to test part to be measured
Performance, save trouble and labor.
In one embodiment, the bridge piece is hanger, and the support component includes two horizontal strokes being intervally installed
Beam, and the corresponding support bar for being fixed on each described crossbeam on the base, wherein, the hanger is overlapped on two
On individual crossbeam, and two crossbeams are located at the relative both sides of the part to be measured.It is arranged such, it is simple in construction, and will treat
When surveying part in use device, it can also be installed by hanger.It therefore, it can the installation for making part to be measured be arranged on fixture
Mounting means when mode is used with part to be measured is identical, so as to further improve the accuracy of test.
In one embodiment, each reinforcement of crossbeam by being fixed between the crossbeam and the base
It is fixed on the base.By in this way, the fastness of crossbeam can be effectively improved.In addition, improving the firm of crossbeam
While spending, the deadweight of fixture can also be reduced.In such manner, it is possible to make intrinsic frequency of the fixture than the fixture of prior art of the present invention
Rate is brought up to more than twice, so as to efficiently reduce the possibility that fixture produces resonance with part to be measured.
In one embodiment, the fixation kit includes the compression for being used to be pressed on the hanger on the crossbeam
Beam, and each crossbeam is to that should have a compression beam.It is arranged such, simple in construction, convenient processing and installation, while also may be used
To improve the connectivity robustness between part to be measured and fixture.
In one embodiment, the fixation kit also includes the locating part being fixed on each described crossbeam, wherein institute
The both sides for stating hanger are abutted with the locating part respectively, and the upper end of the locating part is abutted with the compression beam.So, energy
It is enough effectively to prevent axial movement of the part to be measured along crossbeam.In addition, can clamping hanger while, additionally it is possible to support compression
Beam, prevents compression beam from being damaged to hanger.
In one embodiment, the base includes passing through between two parallel and spaced bottom girders, two bottom girders
Multiple tie-beam connections for being each perpendicular to the bottom girder, wherein, each described crossbeam is fixed on the bottom girder by support bar
On.It is arranged such, can further reduces the weight of fixture, and the manufacturing cost of fixture can be effectively reduced.
In one embodiment, the two ends of two crossbeams protrude from the base.So, it can reduce shared by fixture
Space.When part to be measured is, for example, current transformer, and test platform is vibration-testing platform, the unsteady flow being fixed on fixture can be made
When device is moved in the horizontal direction, it is to avoid to for connecting the vibrator of vibration-testing apparatus and the attachment means of horizontal sliding table
Proper motion is impacted.When current transformer is in movement in vertical direction, it is to avoid the vertical expanding table of vibration-testing apparatus is oriented to
The proper motion of device is impacted.
In one embodiment, the compression beam is fixedly connected with the locating part.It is arranged such, it is simple in construction, install
It is convenient, but also the stable connection between part to be measured and fixture can be further improved, so as to further improve the standard of experiment
True property.
In one embodiment, the length of the compression beam is longer than the length of the crossbeam.So, the length of fixture is from upper
It is sequentially reduced under, the stability of fixture can be effectively improved, so that accuracy when further improving experiment.
In one embodiment, the part to be measured is current transformer, and the test platform is vibration-testing platform.With technology
Continuous progress, current transformer mainly develops to highly integrated direction.For example, traction convertor and AuCT integration turn into one
Plant new development trend.So, the size of current transformer can be caused exponentially to increase.And current transformer needs before coming into operation
Carry out vibration performance test.Therefore, it is current transformer preferentially to select part to be measured, and test platform is vibration-testing platform.
Brief description of the drawings
The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.In figure：
Fig. 1 is the use state schematic diagram of the fixture of the present invention.
Fig. 2 is the structural representation of the fixture of the present invention.
Fig. 3 is the left view of the fixture of the present invention.
Structural representations of the Fig. 4 for fixture of the invention when pulling down compression beam.
In the accompanying drawings, identical part uses identical reference.Accompanying drawing is not according to actual scaling.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
The fixture of the present invention is used to part to be measured being fixed on test platform.In one embodiment, as shown in figure 1, treating
Survey part is current transformer 6, and test platform is vibration-testing platform.In the top of current transformer 6 side by side and compartment of terrain is fixed with multiple hang
Ear 7.Hanger 7 protrudes from the side wall of current transformer 6, that can be overlapped on fixture.Current transformer 6 can be with integrated major-minor one
Current transformer, or single current transformer, such as traction convertor or AuCT, etc..Certainly, current transformer 6 can also lead to
Suspension hook is crossed to be fixed on fixture.
As shown in Fig. 2 the fixture includes base 1 and support component 2.In one embodiment, base 1 is parallel including two
And two bottom girders 11 of compartment of terrain arrangement, and be located between two bottom girders 11 and for the tie-beam of two bottom girders 11 of connection
12.Specifically, multiple tie-beams 12 are provided with side by side between two bottom girders 11.And each tie-beam 12 with bottom girder 11 substantially
Vertically, in order to processing and install.The general shape of the base 1 limited by bottom girder 11 and tie-beam 12 is rectangle.Base 1
Surround a generally rectangular framework.Relative both sides in four sides of framework are equipped with support component 2, and both sides in addition
It is not provided with support component 2 so that current transformer 6 can stretch out from framework.
Further, bottom girder 11 and tie-beam 12 are H profile steel, to improve the intensity of base 1.Surveyed in H profile steel with vibration
The one side for trying contact with platform is provided with screwed hole.Base 1 is by being located in the screwed hole of H profile steel and the screwed hole of vibration-testing platform
Interior is bolted on vibration-testing platform.In one example, the screw thread provided with 61 a diameter of 22mm on base 1
Hole, the pitch-row of two adjacent screwed holes is 240mm.
Support component 2 includes multiple support bars 22 and two crossbeams 21.The top of each bottom girder 11 is solid by support bar 22
Surely there is a crossbeam 21.Crossbeam 21 and bottom girder 11 are set parallel to each other, i.e. support bar 22 is generally perpendicularly arranged on the He of bottom girder 11
Between crossbeam 21.Two crossbeams 21 and the distance between corresponding bottom girder 11 are roughly equal, and vibration examination is carried out with further improve
Accuracy when testing.Hanger 9 is overlapped on two crossbeams 21, and current transformer 6 is located between two crossbeams 21.
Furthermore, it is possible to a tie-beam 12 is correspondingly provided with the position of support bar 22 and the tie point of bottom girder 11, so as to
In setting reinforcement 5, but also the fastness between support bar 22 and bottom girder 11 can be improved.Positioned at crossbeam 21 and bottom girder 11 it
Between the number of support bar 22 can specifically set according to the actual requirements.
Further, the reinforcement 5 for the fastness for being used to increase crossbeam 21 is provided between base 1 and crossbeam 21.Strengthen
Muscle 5 includes the first reinforcement 51 and the second reinforcement 52.Wherein, one end of the first reinforcement 51 is fixed on crossbeam 21 and support bar
At 22 tie point, the other end is fixed on tie-beam 12.One end of second reinforcement 52 is fixed on crossbeam 21 and support bar 22
Tie point at, the other end is fixed at the tie point of support bar 22 and bottom girder 11.Center line, the tie-beam of first reinforcement 51
Plane where 12 center line and the center line of support bar 22 and the center line of the second reinforcement 52, the center line of bottom girder 11 and
Plane described in the center line of support bar 22 is substantially vertical.Crossbeam 21, support bar 22, the first reinforcement 51 and the second reinforcement 52
Can be square steel, further to improve the rigidity of fixture.
In addition, as shown in figure 3, when the length of current transformer 6 is more than the length of vibration-testing platform, the length of crossbeam 21 can
To be longer than the length of bottom girder 11.That is, the length of crossbeam 21 and the same length of current transformer 6, and the length of bottom girder 11 is with shaking
The same length of dynamic test platform.Now, reinforcement 5 can also include the be arranged between crossbeam 21 and bottom girder 11
Three reinforcements 53.One end of 3rd reinforcement 53 is fixedly connected with the end of crossbeam 21, and the end of the other end and bottom girder 11 is fixed
Connection.And when current transformer 6 is fixed on fixture, extend along its length two of two crossbeams 21 and current transformer 6
Side wall is relative.
When the width of current transformer 6 is more than the width of vibration-testing platform, the length of crossbeam 21 can be longer than bottom girder 11
Length.That is, the length of crossbeam 21 is roughly the same with the width of current transformer 6, and the length of bottom girder 11 and the width of vibration-testing platform
Degree is roughly the same.And when current transformer 6 is fixed on fixture, the extension in the width direction of two crossbeams 21 and current transformer 6
Two side walls it is relative.Certainly, it is no longer than the length of vibration-testing platform or the width of current transformer 6 in the length of current transformer 6
Not wider than the width of vibration-testing platform when, the length of crossbeam 21 can still be more than the length of bottom girder 11.
The fixture also includes the fixation kit for being used to be fixed on current transformer 6 on fixture.In one embodiment, such as Fig. 2
Described, fixation kit includes the compression beam 3 for being used to be pressed on hanger 9 on crossbeam 21.Each crossbeam 21 is correspondingly arranged a pressure
Tight beam 3.The width of compression beam 3 can be roughly the same with the width of crossbeam 21, and the length of compression beam 3 can be slightly longer than crossbeam
21 length.
As shown in figure 4, fixation kit also includes the locating part 4 being fixed on crossbeam 21.It is fixed with crossbeam 21 multiple
Locating part 4.Between two locating parts 4 that hanger 9 is clamped on.Locating part 4 can be bloom etc..
Further, compression beam 3 is provided with multiple bolts hole, a portion bolt hole and the bolt hole on locating part 4
Correspondence, a part of bolt hole is corresponding with the bolt hole on hanger 9.And a locating part 4 is equipped with the two ends of crossbeam 21, with
Raising compression beam 3 is fixed on rigidity when on locating part 4.And compression beam 3 compress hanger 9 when, the bottom surface of compression beam 3 with it is spacing
Abutted above part 4, so that the support compression beam 3 of locating part 4 can be passed through.
During installation, first compression beam 3 is bolted with current transformer 6.Now, it should be noted that bolt is tight without full moment
Gu.Then, then by compression beam 3 and current transformer 6 lift to base 1.After working good, between fastening compression beam 3 and locating part 4
Fastening bolt, until fastening the bolt between compression beam 3 and current transformer 6 after tightening again.
It is of course also possible to directly connecting rod be set between two compression beams 3, without between tie-beam 12 and crossbeam 21
First reinforcement 51 is set.When compression beam 3 is fixed on locating part 4, strengthen the rigidity of two crossbeams 21 by connecting rod, with
Prevent two crossbeams 21 from being tilted to direction away from each other.
Although by reference to preferred embodiment, invention has been described, is not departing from the situation of the scope of the present invention
Under, various improvement can be carried out to it and part therein can be replaced with equivalent.Especially, as long as in the absence of structure punching
Prominent, the every technical characteristic being previously mentioned in each embodiment can combine in any way.The invention is not limited in text
Disclosed in specific embodiment, but all technical schemes including falling within the scope of the appended claims.
Claims (7)
1. a kind of fixture for being used to be fixed on part to be measured on test platform, wherein, bridge piece is fixed with the part to be measured, institute
Stating fixture includes：
Base, it is fixed on the test platform；
Support component, it is fixed on the relative both sides of the base, and supports the part to be measured by the bridge piece；With
And
Fixation kit, it is used to the part to be measured being fixed on the support component；
The bridge piece is hanger, and the support component includes two crossbeams for being intervally installed, and for by each institute
The corresponding support bar that crossbeam is fixed on the base is stated, wherein, the hanger is overlapped on two crossbeams, and two
The individual crossbeam is located at the relative both sides of the part to be measured；
The fixation kit includes the compression beam for being used to be pressed on the hanger on the crossbeam, wherein each crossbeam is to that should have
One compression beam；
Each described crossbeam is fixed on the base by the reinforcement being fixed between the crossbeam and the base.
2. fixture according to claim 1, it is characterised in that the fixation kit also includes being fixed on each crossbeam
On locating part, wherein the both sides of the hanger are abutted with the locating part respectively, and the upper end of the locating part with it is described
Compression beam is abutted.
3. fixture according to claim 1, it is characterised in that the base includes two parallel and spaced bottoms
Connected between beam, two bottom girders by multiple tie-beams for being each perpendicular to the bottom girder, wherein, each described crossbeam passes through branch
Strut is fixed on the bottom girder.
4. fixture according to claim 3, it is characterised in that the two ends of each crossbeam protrude from the base.
5. fixture according to claim 2, it is characterised in that the compression beam is fixedly connected with the locating part.
6. fixture according to claim 1, it is characterised in that the length of the compression beam is longer than the length of the crossbeam.
7. the fixture according to any one of claim 1-6, it is characterised in that the part to be measured is current transformer, the survey
Examination platform is vibration-testing platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410410745.5A CN104180960B (en) | 2014-08-20 | 2014-08-20 | A kind of fixture for being used to be fixed on part to be measured on test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410410745.5A CN104180960B (en) | 2014-08-20 | 2014-08-20 | A kind of fixture for being used to be fixed on part to be measured on test platform |
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| Publication Number | Publication Date |
|---|---|
| CN104180960A CN104180960A (en) | 2014-12-03 |
| CN104180960B true CN104180960B (en) | 2017-10-10 |
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| CN201410410745.5A Active CN104180960B (en) | 2014-08-20 | 2014-08-20 | A kind of fixture for being used to be fixed on part to be measured on test platform |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977146B (en) * | 2015-06-24 | 2017-12-08 | 株洲南车时代电气股份有限公司 | A kind of frequency converter vibration test fixture |
| CN106500945B (en) * | 2016-10-20 | 2020-01-03 | 中国电力科学研究院 | Dynamic mechanical test device for crossing frame |
| CN109664218A (en) * | 2018-12-12 | 2019-04-23 | 广州广电计量检测股份有限公司 | Cabinet fixture and its finite element simulation test method |
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| CN201728604U (en) * | 2010-05-28 | 2011-02-02 | 钱银光 | Shaft pin processing tool |
| CN102226734A (en) * | 2011-03-28 | 2011-10-26 | 延锋百利得（上海）汽车安全***有限公司 | Testing apparatus of impact vibration of general CAB |
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| KR100513199B1 (en) * | 2004-11-02 | 2005-09-08 | 세종공업 주식회사 | Fixture for testing durability in muffler of automobile |
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| CN201876346U (en) * | 2010-11-05 | 2011-06-22 | 深圳出入境检验检疫局工业品检测技术中心 | Testing clamp |
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| CN201728604U (en) * | 2010-05-28 | 2011-02-02 | 钱银光 | Shaft pin processing tool |
| CN102226734A (en) * | 2011-03-28 | 2011-10-26 | 延锋百利得（上海）汽车安全***有限公司 | Testing apparatus of impact vibration of general CAB |
| CN102980733A (en) * | 2012-11-30 | 2013-03-20 | 西安电子工程研究所 | Vibration clamp for aircraft pod of small-scale helicopter |
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| CN104180960A (en) | 2014-12-03 |
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Address after: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee after: ZHUZHOU CRRC TIMES ELECTRIC Co.,Ltd. Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee before: ZHUZH CSR TIMES ELECTRIC Co.,Ltd. |
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