CN208621273U - A kind of detector vibration test fixture - Google Patents
A kind of detector vibration test fixture Download PDFInfo
- Publication number
- CN208621273U CN208621273U CN201821010213.2U CN201821010213U CN208621273U CN 208621273 U CN208621273 U CN 208621273U CN 201821010213 U CN201821010213 U CN 201821010213U CN 208621273 U CN208621273 U CN 208621273U
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- China
- Prior art keywords
- fixture
- bottom board
- clamp bottom
- detector
- vibration
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Abstract
The utility model discloses a kind of detector vibration test fixture, including installing the fixture of detector and the fixture of installation cable；The fixture for installing detector includes the first clamp bottom board, product mounting surface and the first reinforcing rib；The fixture for installing cable includes the second clamp bottom board, fixed column, movable plate and the second reinforcing rib；First clamp bottom board, the second clamp bottom board are connected with vibration table；The product mounting surface is fixedly connected with the first clamp bottom board；First reinforcing rib is fixedly connected with product mounting surface and the first clamp bottom board；The fixed column is fixedly connected with the second clamp bottom board of the fixture of installation cable；The movable plate is connect with fixed column.The utility model solves the problems, such as existing vibration tong interference product vibration characteristics.
Description
Technical field
The utility model relates to vibration-testing technical field of test equipment, and in particular to a kind of detector vibration test folder
Tool.
Background technique
The detector in nuclear reactor is mounted on during nuclear reactor work, or occurs to require to keep when earthquake
Its structural intergrity simultaneously can execute its preset security function.Therefore, it is necessary to carry out endurance test and seismic test to detector
To examine the structural fatigue intensity of detector, i.e., whether can because by simulate actual use environment due to cause fatigue failure or
Damage.
In order to realize requirement of the product to vibration in laboratory, ordinary skill can design corresponding fixture to complete to try
It tests, test products is fixed on testing stand by fixture, and practice operation realizes the environment of vibration.In the prior art
In, the vibration tong designed in the past does not carry out any finite element analysis and is directly used in product testing, causes to press from both sides during test
The vibration characteristics of tool affects the vibration characteristics of product and keeps test result inaccurate, test failure.
The failure of test undoubtedly wastes a large amount of time, money and resource；And the test carried out before is all needed
It is zeroed, re-starts test again.The research and development cost of product can be not only greatly increased, it furthermore also can be on delay product
The progress in city brings very huge economic loss to company.
Utility model content
The purpose of this utility model is to be directed to technological deficiency existing in the prior art, and provide one kind and be mounted on nuclear reaction
Detector vibration test fixture in heap.
It is for technical solution used by realization the purpose of this utility model:
A kind of detector vibration test fixture, including installing the fixture of detector and the fixture of installation cable；Installation detection
The fixture of device includes the first clamp bottom board, product mounting surface and the first reinforcing rib；The fixture for installing cable includes the second fixture bottom
Plate, fixed column, movable plate and the second reinforcing rib；First clamp bottom board, the second clamp bottom board are connected with vibration table
It connects；The product mounting surface is fixedly connected with the first clamp bottom board；First reinforcing rib and product mounting surface and the first fixture
Bottom plate is fixedly connected；The fixed column is fixedly connected with the second clamp bottom board of the fixture of installation cable；The movable plate and solid
Fixed column connection.
First clamp bottom board, the second clamp bottom board pass through fastener and vibration mechine is fixed.
The movable plate and fixed column are installed by bolt.
The utility model solves the problems, such as existing vibration tong interference product vibration characteristics, when vibrating degradation,
Mounting structure meets 1 rank resonant frequency of the one direction first order resonance frequency as big as possible in the testpieces direction, and in 10-
Fixture resonant frequency is not in more than 3 in 500Hz, and mounting structure resonant frequency will not be weighed with testpieces resonant frequency
It is folded.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of detector vibration test fixture；
Fig. 2 is the schematic diagram for being equipped with the vibration test fixture of detector.
Specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that this place
The specific embodiment of description is only used to explain the utility model, is not used to limit the utility model.
Referring to shown in Fig. 1-2, a kind of detector vibration test fixture, comprising:
The fixture 1 of detector and the fixture 2 of installation cable are installed；The fixture for installing detector includes the first clamp bottom board
11, product mounting surface 12 and the first reinforcing rib 14, first reinforcing rib include it is multiple, including being located at product mounting surface 12
Two sides the right-angled trapezium shape being arranged symmetrically plate reinforcing rib, and the reinforcement of the plate equipped with the right-angled trapezium shape
The reinforcing rib of the triangular shape of the downside in the outside of muscle, wherein there are three each sides of the reinforcing rib of triangular shape, as shown in Figs. 1-2, in addition,
There is middle reinforced rib between the reinforcing rib of the plate of the corresponding right-angled trapezium shape of installation cable clamp；On product mounting surface 12
Strip mounting hole 13, the installation of the clip 16 for U-shaped fixes, and by product, i.e. the rod-shaped detector 100 of strip is pacified
Dress be fixed on product mounting surface, install cable fixture 2 include the second clamp bottom board 21, fixed column 22, movable plate 26 and
Second reinforcing rib 23, first clamp bottom board, the second clamp bottom board are intended to be connected with vibration table；The product mounting surface
It is fixedly connected with the first clamp bottom board；First reinforcing rib is fixedly connected with product mounting surface and the first clamp bottom board；It is described
Fixed column is fixedly connected with the second clamp bottom board of installation cable clamp；The movable plate and fixed column are installed by bolt, institute
In the rectangular space that one of the top of the movable plate stated between installation fixed column is formed by fixed column and horizon bar, to line
Cable joint is fixedly clamped.
The fixed column 22 is four, rectangular face, passes through the horizontal company at interval between adjacent fixed column 22
Extension bar connection, reinforcing rib 23 are obliquely installed in the rectangle frame of top formation, and the upper end of fixed column 22 connects level frame, including first
Level frame 24 and the second level frame 25 form the structure of inverted L-shaped, with corresponding fixed column with the connecting line to detector 100
Cable is supported, and the cross bar at multiple intervals is connected between the second level frame 25, and the second level frame 25 is higher than first level frame, used
U-shaped opening in cable rear portion of the left-hand end shown in FIG. 1 through the second level frame 25 behind the top of the second level frame 25 freely
Downwards, the transverse bar by cable on the fixture 2 of installation cable is wound, and 10 meters of cable, is about wound a circle half, is then distinguished cable
It is fixed with U-shaped folder, cable connector finds position with movable plate and fixes.
Wherein the material of the fixture of fixed detector is aluminium；The clamp material for installing detector is steel.First fixture
Bottom plate, the second clamp bottom board pass through fastener and vibration mechine is fixed.
Specific mounting means is as follows:
Detector is fixed on above the fixture 1 of installation detector by the first step by clip (clip is screwed on fixture)；
The fixture 1 for installing detector is fixed on vibration mechine by second step；
Third step, the fixture 1 that the fixture 2 for installing cable is closely installed detector are fixed on a vibration table；
Cable is connected by the 4th step with detector, and the two connector is fixed on the fixture 1 of installation detector with clip
Face；
5th step winds transverse bar of the cable on the fixture 2 of installation cable, and cable about winds a circle half, then by line
Cable is fixed with U-shaped folder respectively, and cable connector finds position with movable plate and fixes.
The utility model detector vibration test fixture is to use to utilize finite element analysis software ANSYS structure optimization module
The optimization design for carrying out detector fixture meets fixture without resonance in 100Hz, and 500Hz internal resonance point is no more than three and not
It is Chong Die with product resonance point.
The utility model keeps the vibration test result of detector product clearly effective, avoids fixture and vibrates spy for product
The influence of property.
The fixture of the utility model can meet the installation requirements of 2 groups of detectors and its connection cables simultaneously, and fixture is stopped in advance
The collision and interference that enough size nargin prevents testpieces from being caused in vibration processes by deformation.
The fixture of the utility model is while meeting testpieces installation, it is also contemplated that installation with testing equipment, not
There is reserved connection hole location as much as possible in the case where interfering, ensure that the coupling stiffness of fixture and testing equipment.
The above is only the preferred embodiment of the utility model, it is noted that for the general of the art
For logical technical staff, without departing from the principle of this utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into retouching.
Claims (3)
1. a kind of detector vibration test fixture characterized by comprising
The fixture of detector and the fixture of installation cable are installed；The fixture for installing detector includes the first clamp bottom board, product peace
Dress face and the first reinforcing rib；The fixture for installing cable includes the second clamp bottom board, fixed column, movable plate and the second reinforcing rib；
First clamp bottom board, the second clamp bottom board are connected with vibration table；The product mounting surface and the first clamp bottom board
It is fixedly connected；First reinforcing rib is fixedly connected with product mounting surface and the first clamp bottom board；The fixed column and hookup wire
Second clamp bottom board of the fixture of cable is fixedly connected；The movable plate is connect with fixed column.
2. detector vibration test fixture as described in claim 1, which is characterized in that first clamp bottom board, the second fixture
Bottom plate passes through fastener to be fixed with vibration mechine.
3. detector vibration test fixture as described in claim 1, which is characterized in that the movable plate and fixed column pass through bolt
Installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821010213.2U CN208621273U (en) | 2018-06-28 | 2018-06-28 | A kind of detector vibration test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821010213.2U CN208621273U (en) | 2018-06-28 | 2018-06-28 | A kind of detector vibration test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208621273U true CN208621273U (en) | 2019-03-19 |
Family
ID=65703438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821010213.2U Active CN208621273U (en) | 2018-06-28 | 2018-06-28 | A kind of detector vibration test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208621273U (en) |
-
2018
- 2018-06-28 CN CN201821010213.2U patent/CN208621273U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200414 Address after: 300000 No. 9 North Third Street, West District, Tianjin Binhai New Area Development Zone Co-patentee after: QINGDAO AEROSPACE RELIABILITY MARINE EQUIPMENT QUALITY SUPERVISION AND INSPECTION TECHNOLOGY Co.,Ltd. Patentee after: TIANJIN AEROSPACE RELIA TECHNOLOGY Co.,Ltd. Co-patentee after: BEIJING INSTITUTE OF STRUCTURE & ENVIRONMENT ENGINEERING Address before: 300000, No. 9, North Third Street, West Development Zone, Tianjin Development Zone, Binhai New Area, Tianjin Co-patentee before: BEIJING INSTITUTE OF STRUCTURE & ENVIRONMENT ENGINEERING Patentee before: TIANJIN AEROSPACE RELIA TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |