CN109870281A - A kind of fixture and its application method for PXI series module vibration test - Google Patents
A kind of fixture and its application method for PXI series module vibration test Download PDFInfo
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- CN109870281A CN109870281A CN201910120831.5A CN201910120831A CN109870281A CN 109870281 A CN109870281 A CN 109870281A CN 201910120831 A CN201910120831 A CN 201910120831A CN 109870281 A CN109870281 A CN 109870281A
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Abstract
The invention discloses a kind of fixtures and its application method for PXI series module vibration test, belong to electronic surveying field, and fixture includes pedestal, fixed plate, left plate, right side plate, support plate and handle.The present invention positions vibration device using precision pins and screw, realize the reliable clamping of PXI series module, solve the problems, such as that PXI series module vibration test is needed by the dedicated cabinet of PXI, it ensure that the reliability of vibration test, multiple PXI modules can be met while carrying out vibration test, reduce vibration test cost；The general vibration tong generalization degree of PXI series module of the invention is relatively high, realizes the reliable clamping of PXI series module and shaking platform, substantially increases the reliability of vibration test.
Description
Technical field
The invention belongs to electronic surveying fields, and in particular to a kind of fixture for PXI series module vibration test and its
Application method.
Background technique
It is applied to promote with PXI bus system platform, the type of PXI series module becomes more diverse.Vibration test
It is the important test content of PXI series module environmental test.
When doing PXI series module vibration test at present, PXI series module is packed into the dedicated cabinet of PXI first, then machine
Case is integrally placed on the shaking platform for presetting cushion block, and it is enterprising that cabinet is finally pressed in shaking platform using briquetting and studs
Row vibration test.
This installation way is insufficient there are 3 points, and first, it is filled using spiral shell and PXI cabinet is pressed on shaking platform, be easy to make
At cabinet extrusion；Second, vibration can cause the deformation of studs, and the prolonged and repeated assembly and disassembly of screw rod are easily damaged, influence
The reliability of vibration test；Third, vibration test are needed by the dedicated cabinet of PXI, and being repeatedly used for a long can cause to damage to cabinet
It is bad, seriously affect the overall performance of cabinet.
Summary of the invention
For the above-mentioned technical problems in the prior art, the invention proposes one kind to be used for PXI (PCI
EXtensions for Instrumentation, the PCI extension towards instrument；PCI full name in English Peripheral
Component Interconnect, peripheral components interconnection) series module vibration test general vibration tong, ensure that vibration
The reliability of test solves the problems, such as the dedicated cabinet of PXI because vibration test damages, and design rationally, overcomes existing skill
The deficiency of art has good effect.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of fixture for PXI series module vibration test, including pedestal, fixed plate, left plate, right side plate, support
Plate and handle；
Pedestal is provided with spiral shell on pedestal using the relative position of PXI series module and shaking platform mounting hole as positioning datum
Nail hole, pin hole, tapped through hole and guide groove；
Screw hole is corresponding with the position of the tapped through hole in fixed plate, pin hole with it is preset on left plate and right side plate
The position in hole is corresponding, the tapped through hole position with the screw hole on left plate, right side plate, fixed plate and vibration mechine respectively
Corresponding, guide groove is configurable for the guiding and pre-placing of left plate and right side plate；
By pin, pin hole, guide groove, left plate, right side plate are fixed；It will by the screw hole on screw, pedestal
Fixed plate is fixed, for guarantee PXI series module and left plate, right side plate, fixed plate relative position, pass through screw, pedestal
On tapped through hole positioning be integrally attached on vibration test platform, for guaranteeing that vibration tong is fastened on vibration test platform
Together；
Tapped through hole is set in fixed plate, it is corresponding with the position of the screw hole on pedestal；Indentation is provided in fixed plate
Formula connector is connected to each other, for fixing the lower end of PXI series module with the forced connector of the lower end of PXI series module；
It is provided with a plurality of guide and limit slot on left plate and right side plate, a plurality of guide and limit slot is configurable for pair
PXI series module carries out guide and limit, for guaranteeing that PXI module is inserted vertically into and is pressed into corresponding forced connection in fixed plate
In device, and smoothly in the guide and limit slot of insertion left plate and right side plate, the shifting of limitation PXI series module in the horizontal direction
It is dynamic, play guiding and position-limiting action；
The upper end of left plate and right side plate, lower end and two sides are provided with screw hole；
By the screw hole of the upper end of screw, left plate and right side plate, the upper end plate of PXI series module is carried out tight
Gu；
By the screw hole of the lower end of screw, left plate and right side plate, pedestal is fastened；
By the screw hole of the two sides of screw, left plate and right side plate, support plate is fastened；
Screw thread via hole is provided in support plate；
By the screw thread via hole in screw, support plate, support plate, left plate, right side plate and pedestal are linked together, protected
The relative position of left plate and right side plate is demonstrate,proved, presets screw thread via hole on the outside of support plate, is used for mounting knob.
Preferably, the groove width of guide and limit slot is 1.8mm, and spacing is 0.8 inch.
Preferably, handle is by stainless steel bar bending and molding.
In addition, the present invention is also mentioned that a kind of application method of fixture for PXI series module vibration test, this method are adopted
With the fixture as described above for being used for PXI series module vibration test, specifically comprise the following steps:
Step 1: fixed plate is passed through in screw location and installation to the corresponding position of pedestal；
Step 2: being fixed on the base left plate and right side plate in a manner of pin positioning, screw fastening；
Step 3: the support plate of mounting knob is fixed on left plate and right side plate and pedestal；
Step 4: each PXI series module is pressed into fixed plate in corresponding forced connector by guide and limit slot,
The upper end of PXI series module is fastened on left side plate by screw；
Step 5: the vibration tong for having installed PXI series module being fastened on vibration test platform by screw, i.e.,
It can be into vibration test.
Advantageous effects brought by the present invention:
The present invention positions vibration device using precision pins and screw, realizes the reliable clamping of PXI series module, solves
PXI series module vibration test needs the problem of cabinet dedicated by PXI, ensure that the reliability of vibration test, can meet more
A PXI module carries out vibration test simultaneously, reduces vibration test cost.
The general vibration tong generalization degree of PXI series module of the invention is relatively high, realizes PXI series module and vibration
The reliable clamping of moving platform, substantially increases the reliability of vibration test.
Detailed description of the invention
Fig. 1 is the structural schematic diagram and 3 d effect graph of vibration tong of the present invention.
Fig. 1 (a) is overall structure diagram；Fig. 1 (b) is whole 3 d effect graph.
Fig. 2 is base schematic diagram.
Fig. 3 is fixed plate schematic diagram.
Fig. 4 is left side plate schematic diagram.
Fig. 5 is support plate schematic diagram.
Specific embodiment
With reference to the accompanying drawing and specific embodiment invention is further described in detail:
As shown in Figure 1, a kind of general vibration tong of PXI series module, is mainly used for PXI series module vibration test, packet
Include pedestal, fixed plate, left side plate, support plate, handle.
Be arranged as shown in Fig. 2, the pedestal is formed by easy processing metal material processing, on pedestal screw hole, pin hole,
Tapped through hole and guide groove, screw hole is corresponding with the tapped through hole position of fixed plate, the position of threaded hole respectively with left side plate,
The position of fixed plate and vibration mechine screw hole is corresponding, and pin hole is corresponding with the position of left side plate preset holes, guiding
Slot is used for the guiding and pre-placing of left side plate；
As shown in figure 3, the fixed plate is process by ordinary circuit board making material, it is logical that screw thread is set in fixed plate
Hole is used to fasten with pedestal, and forced connector forced connector pair corresponding to PXI module board is crimped in fixed plate
It connects；
As shown in figure 4, the left side plate is formed by easy processing metal material Precision Machining, left side plate is basis
The feature development of PXI module, side plate is equipped with a plurality of guide and limit slot, to circuit board guide and limit in PXI module, guarantees PXI
Circuit board is smoothly inserted into left side plate guide and limit slot in module, plays positioning action.Side plate upper end setting screw hole is used for
PXI module is fastened, side plate lower end is arranged screw hole and is used for fastening seat.Side plate both ends are arranged threaded hole and are used for fastening support plate；
As shown in figure 5, shown support plate easy processing metal material Precision Machining forms, screw thread via hole point is set in support plate
It is not connect with left side plate, guarantees the relative position of left side plate, outside prevailing thread via hole is for mounting knob (by stainless steel
Stick bending and molding), guarantee is moved conveniently.
When in use, fixed plate is passed through in screw location and installation to the corresponding position of pedestal first；Second is fixed with pin
Left side plate is fixed on the base by the mode that position, screw fasten；The support plate of mounting knob is fixed on left and right sides by third
On plate and pedestal, each PXI module is pressed into fixed plate accordingly on forced connector by left side plate guide and limit slot by the 4th,
Upper end is fastened on left side plate by screw.The vibration tong for having installed PXI module is finally fastened on vibration by screw
It, at this time can be into vibration test on dynamic test workbench.
Certainly, the above description is not a limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the technical staff in domain is made within the essential scope of the present invention also should belong to of the invention
Protection scope.
Claims (4)
1. a kind of fixture for PXI series module vibration test, it is characterised in that: including pedestal, fixed plate, left plate, the right side
Side plate, support plate and handle；
Pedestal is provided with screw on pedestal using the relative position of PXI series module and shaking platform mounting hole as positioning datum
Hole, pin hole, tapped through hole and guide groove；
Screw hole is corresponding with the position of the tapped through hole in fixed plate, the preset holes on pin hole and left plate and right side plate
Position is corresponding, and tapped through hole is opposite with the position of screw hole on left plate, right side plate, fixed plate and vibration mechine respectively
It answers, guide groove, is configurable for the guiding and pre-placing of left plate and right side plate；
By pin, pin hole, guide groove, left plate, right side plate are fixed；It will be fixed by the screw hole on screw, pedestal
Plate is fixed, for guarantee PXI series module and left plate, right side plate, fixed plate relative position, by screw, pedestal
Tapped through hole positioning is integrally attached on vibration test platform, for guaranteeing that vibration tong and vibration test platform are fastened on one
It rises；
Tapped through hole is set in fixed plate, it is corresponding with the position of the screw hole on pedestal；Forced company is provided in fixed plate
Device is connect, is connected to each other with the forced connector of the lower end of PXI series module, for fixing the lower end of PXI series module；
A plurality of guide and limit slot is provided on left plate and right side plate, a plurality of guide and limit slot is configurable for PXI system
Column module carries out guide and limit, for guaranteeing that PXI module is inserted vertically into and is pressed into fixed plate in corresponding forced connector,
And smoothly in the guide and limit slot of insertion left plate and right side plate, the movement of limitation PXI series module in the horizontal direction is risen
Guiding and position-limiting action are arrived；
The upper end of left plate and right side plate, lower end and two sides are provided with screw hole；
By the screw hole of the upper end of screw, left plate and right side plate, the upper end plate of PXI series module is fastened；
By the screw hole of the lower end of screw, left plate and right side plate, pedestal is fastened；
By the screw hole of the two sides of screw, left plate and right side plate, support plate is fastened；
Screw thread via hole is provided in support plate；
By the screw thread via hole in screw, support plate, support plate, left plate, right side plate and pedestal are linked together, guaranteed left
Screw thread via hole is preset on the outside of support plate in the relative position of side plate and right side plate, is used for mounting knob.
2. the fixture according to claim 1 for PXI series module vibration test, it is characterised in that: guide and limit slot
Groove width be 1.8mm, spacing be 0.8 inch.
3. the fixture according to claim 1 for PXI series module vibration test, it is characterised in that: handle is by stainless
Rod iron bending and molding.
4. a kind of application method of the fixture for PXI series module vibration test, it is characterised in that: using such as claim 1
The fixture for PXI series module vibration test, specifically comprises the following steps:
Step 1: fixed plate is passed through in screw location and installation to the corresponding position of pedestal；
Step 2: being fixed on the base left plate and right side plate in a manner of pin positioning, screw fastening；
Step 3: the support plate of mounting knob is fixed on left plate and right side plate and pedestal；
Step 4: each PXI series module being pressed into fixed plate in corresponding forced connector by guide and limit slot, PXI system
The upper end of column module is fastened on left side plate by screw；
Step 5: the vibration tong for having installed PXI series module is fastened on vibration test platform by screw, it can
Into vibration test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910120831.5A CN109870281A (en) | 2019-02-18 | 2019-02-18 | A kind of fixture and its application method for PXI series module vibration test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910120831.5A CN109870281A (en) | 2019-02-18 | 2019-02-18 | A kind of fixture and its application method for PXI series module vibration test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109870281A true CN109870281A (en) | 2019-06-11 |
Family
ID=66918834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910120831.5A Pending CN109870281A (en) | 2019-02-18 | 2019-02-18 | A kind of fixture and its application method for PXI series module vibration test |
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|---|---|
| CN (1) | CN109870281A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111896778A (en) * | 2020-07-15 | 2020-11-06 | 中车株洲电力机车研究所有限公司 | HALT test fixture for PCBA plug-in and mounting method |
| CN112378610A (en) * | 2020-10-29 | 2021-02-19 | 英业达科技有限公司 | Quick peripheral component interconnection card vibration test fixture set |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1267007A (en) * | 1999-03-10 | 2000-09-20 | 连接器系统工艺公司 | General fixing mechanism and clamper |
| CN1516997A (en) * | 2001-04-24 | 2004-07-28 | 3 | Support rack for vibratory testing of printed circuit boards |
| CN202092673U (en) * | 2010-12-31 | 2011-12-28 | 成都天奥测控技术有限公司 | Portable test platform device based on PXI bus |
| DE102011115105A1 (en) * | 2011-10-07 | 2013-04-11 | Khs Gmbh | Empty crate inspection |
| CN107860949A (en) * | 2017-11-10 | 2018-03-30 | 中国电子科技集团公司第四十研究所 | A kind of easily PXIe modular debuggings frock |
-
2019
- 2019-02-18 CN CN201910120831.5A patent/CN109870281A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1267007A (en) * | 1999-03-10 | 2000-09-20 | 连接器系统工艺公司 | General fixing mechanism and clamper |
| CN1516997A (en) * | 2001-04-24 | 2004-07-28 | 3 | Support rack for vibratory testing of printed circuit boards |
| CN202092673U (en) * | 2010-12-31 | 2011-12-28 | 成都天奥测控技术有限公司 | Portable test platform device based on PXI bus |
| DE102011115105A1 (en) * | 2011-10-07 | 2013-04-11 | Khs Gmbh | Empty crate inspection |
| CN107860949A (en) * | 2017-11-10 | 2018-03-30 | 中国电子科技集团公司第四十研究所 | A kind of easily PXIe modular debuggings frock |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111896778A (en) * | 2020-07-15 | 2020-11-06 | 中车株洲电力机车研究所有限公司 | HALT test fixture for PCBA plug-in and mounting method |
| CN111896778B (en) * | 2020-07-15 | 2023-05-26 | 中车株洲电力机车研究所有限公司 | HALT test fixture for PCBA plug-in and mounting method |
| CN112378610A (en) * | 2020-10-29 | 2021-02-19 | 英业达科技有限公司 | Quick peripheral component interconnection card vibration test fixture set |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190611 |
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| RJ01 | Rejection of invention patent application after publication |