CN220583724U - Vibration test tool for plug box module - Google Patents
Vibration test tool for plug box module Download PDFInfo
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- CN220583724U CN220583724U CN202321812413.0U CN202321812413U CN220583724U CN 220583724 U CN220583724 U CN 220583724U CN 202321812413 U CN202321812413 U CN 202321812413U CN 220583724 U CN220583724 U CN 220583724U
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- bottom plate
- box module
- frame
- vibration
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- 238000012360 testing method Methods 0.000 title claims abstract description 58
- 238000009434 installation Methods 0.000 abstract description 13
- 230000007547 defect Effects 0.000 abstract description 4
- 238000003780 insertion Methods 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract description 2
- 230000001133 acceleration Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000012942 design verification Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
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Abstract
The utility model relates to a vibration test tool for an insertion box module, which comprises a rack; the frame comprises a top plate and a bottom plate which are arranged at intervals, and a surrounding frame connected between the top plate and the bottom plate; the top plate is provided with a first guide rail groove; the bottom plate is provided with a second guide rail groove; the first guide rail groove and the second guide rail groove are used for installing the plug box module; the bottom plate is provided with a notch for preventing resonance. The tool can solve the defects in the prior art, has the characteristics of low cost, simple structure, simple installation and operation, high experimental efficiency, strong universality and the like, is adjustable, and meets the vibration test requirements of standard plug-in box modules (such as 3U, 4U and 5U) and nonstandard plug-in box modules.
Description
Technical Field
The utility model relates to the technical field of acceleration vibration tests of microwave products, in particular to a vibration test tool for an insertion box module.
Background
Along with the wide application of the chassis and the plug-in box products, the types, the sizes, the functions and the like of the products are continuously changed, and the use environments of the products are different, so that when the products are designed, a plurality of tests can be performed to verify the feasibility of the design, the products adapt to the stability of the environment in operation, and the vibration brings forward higher requirements on the structural design and the strength design of the products. Because of the special connection relation, the operation of the plug-in box type products can generate vibration, and the reliability of the tight connection of the products brings out the necessary requirement of a vibration test. The vibration resistance requirements of the use environments such as vehicle-mounted, ship-borne, aerospace and the like on the plug-in box type products are very high, and if the products cannot meet the vibration requirements of certain grades, the faults, downtime and the like of the products can be caused, and the loss caused by the faults can not be estimated. Because the plug-in box type products are connected through the plug-in card, signals output by the module are greatly affected when the plug-in box type products vibrate, and at the moment, an troubleshooting scheme is needed to be made in advance for reducing some problems which can occur in actual working, and vibration tests are indispensable. The vibration test is more capable of reflecting some problems which can occur when the machine vibrates, so that a solution for the problems generated when the machine vibrates is given in advance, and the vibration test is more a guarantee test for ensuring the design verification by a designer and the normal operation of a product.
When the plug-in box type product is manufactured, the requirements of the use environment are considered, and the product is often required to be subjected to some analog environment experiments, such as salt spray prevention experiments, sealing experiments, acceleration vibration experiments and the like. The interior of the plug-in box type product contains a plurality of functional modules, and because the production progress of each module is different, an environment test is required to be independently carried out. The vibration test is usually carried out by directly mounting the product module on a vibration table, fastening the product module on the vibration table by using a pressing plate type component, and adjusting the product module to parameters. However, the vibration test is directly performed on the vibration table, so that the running state or deviation of each module is relatively large when the plug-in box type product runs, and the product index is deviated from the requirement.
Disclosure of Invention
The utility model aims to provide a vibration test tool for an inserting box module, which can solve the defects in the prior art, has the characteristics of low cost, simple structure, simple installation and operation, high experimental efficiency, strong universality and the like, is relatively good in adjustable row, and meets the vibration test requirements of standard inserting box modules (such as 3U, 4U and 5U) and nonstandard inserting box modules.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a vibration test tool for an insert box module comprises a frame; the frame comprises a top plate and a bottom plate which are arranged at intervals, and a surrounding frame connected between the top plate and the bottom plate;
the top plate is provided with a first guide rail groove; the bottom plate is provided with a second guide rail groove; the first guide rail groove and the second guide rail groove are used for installing the plug box module;
the bottom plate is provided with a notch for preventing resonance.
Further, the first guide rail grooves and the second guide rail grooves are arranged in a one-to-one correspondence mode, and the number of the first guide rail grooves and the number of the second guide rail grooves are multiple.
Further, a limiting boss is arranged on the bottom plate;
the plug box module is provided with a puller;
the limiting boss is arranged corresponding to the puller and used for preventing the jack box module from moving during vibration test.
Further, the enclosing frame comprises a first enclosing frame, a second enclosing frame, a third enclosing frame and a fourth enclosing frame which are connected end to end.
Further, a first positioning part is arranged on the first surrounding frame;
a second positioning part is arranged on the third surrounding frame;
the bottom plate is provided with a third positioning part;
and the second surrounding frame and the fourth surrounding frame are respectively provided with a fourth positioning part corresponding to the first positioning part, a fifth positioning part corresponding to the second positioning part and a fifth positioning part corresponding to the third positioning part.
Further, a connector is arranged on the third surrounding frame.
Further, a positioning pin is arranged on the third surrounding frame.
Further, a positioning pin hole is formed in the connector;
the positioning pin holes are arranged corresponding to the positioning pins.
Further, a support column is arranged between the top plate and the bottom plate.
Further, rib plates are arranged between the second surrounding frame and the bottom plate and between the fourth surrounding frame and the bottom plate.
Compared with the prior art, the utility model has the advantages that:
the top plate and the bottom plate in the vibration test tool are both provided with the guide rail grooves for installing the plug box modules, the tool is installed based on the consistency of the first guide rail groove and the second guide rail groove when being assembled as a whole, and the positioning pin holes on the rear connectors and the positioning pins on the surrounding frame are required to be successfully plugged. When the plug box module is inserted vertically, the plug box module is required to be inserted linearly along the first guide rail groove and the second guide rail groove and is matched with the pin hole of the rear connector, after the plug box module is installed, the front and back movement of the module during vibration is prevented by the propping action of a limiting boss on the rack and a plug box module puller, and the left and right movement of the plug box module during vibration can be prevented by the plugging of the plug box module positioned through the guide rail groove and the connector. In addition, the locating pins on the locating backboard frame of the connector are guaranteed, so that the installation tolerance is as small as possible, and the installation is smoother. The utility model can solve the defects in the prior art, has the characteristics of low cost, simple structure, simple installation and operation, high experimental efficiency, strong universality and the like, can be adjusted well, and meets the vibration test requirements of standard plug-in box modules (such as 3U, 4U and 5U) and nonstandard plug-in box modules.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic diagram of a second embodiment of the present utility model (not including a fourth enclosure).
Wherein:
1. roof, 2, bottom plate, 3, first enclose the frame, 4, the second encloses the frame, 5, the third encloses the frame, 6, the fourth encloses the frame, 7, the subrack module, 8, second floor, 9, signal control box, 10, extractor, 11, first floor, 12, second guide rail groove, 13, be used for preventing the notch of resonance, 14, support column, 15, connector, 16, spacing boss.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
a vibration test fixture for an insert box module as shown in fig. 1 and 2, the fixture comprising a frame; the frame comprises a top plate 1 and a bottom plate 2 which are arranged at intervals, and a surrounding frame connected between the top plate 1 and the bottom plate 2. The frame is enclosed including first frame 3, second frame 4, third frame 5 and the fourth frame 6 of enclosing of end to end, and four enclose the frame that both ends open-ended about forming, and the roof is installed at the top of frame, and the bottom plate is installed in the bottom of frame. The second enclosure frame 4 and the fourth enclosure frame 6 comprise side enclosure frames and side covers arranged on the side enclosure frames. The top plate 1 includes a fifth enclosure frame and a top cover mounted on the fifth enclosure frame. The support column 14 is arranged between the top plate 1 and the bottom plate 2, and plays a role in connecting the top plate 1 with the bottom plate 2 and supporting, so that the structural strength of the tool is improved, and the vibration test requirement is met. Preferably, rib plates are arranged between the second surrounding frame and the bottom plate and between the fourth surrounding frame and the bottom plate, the rib plates between the second surrounding frame and the bottom plate are first rib plates 11, and the rib plates between the fourth surrounding frame and the bottom plate are second rib plates 8. The signal control box 9 is installed on the outer side of the third surrounding frame, and the interconnection device is installed on the signal control box 9 and comprises a DB series connector, an SMA-K series connector and an LRM connector.
Further, a first guide rail groove is formed in the top plate 1; the bottom plate 2 is provided with a second guide rail groove 12; the first guide rail groove and the second guide rail groove 12 are used for installing the plug box module 7. Preferably, the first guide rail grooves and the second guide rail grooves 12 are arranged in a one-to-one correspondence manner, and the number of the first guide rail grooves and the second guide rail grooves is a plurality of. When the fixture is assembled generally, the consistency of the first guide rail groove and the second guide rail groove is used as a reference, when the plug box module is inserted vertically, the plug box module is required to be inserted linearly along the first guide rail groove and the second guide rail groove and matched with the pin holes of the rear connector, and the plug box module positioned through the guide rail groove is inserted with the connector, so that the left-right movement of the plug box module during vibration can be prevented. Through setting up a plurality of one-to-one's guide rail groove, can put into the frock simultaneously with the subrack module of different grade type and carry out vibration test, improved experimental efficiency.
Further, a notch 13 for preventing resonance is provided on the bottom plate 2. Notch 13 for reducing the uniformity of the resonance frequency, preventing the vibrating table from resonating with the tool.
Further, a limiting boss 16 is arranged on the bottom plate 2; the plug box module 7 is provided with a puller 10; the limiting boss 16 is disposed corresponding to the extractor 10, and is used for preventing the jack module from moving during the vibration test. After the plug box module is arranged in the guide rail groove, the limiting boss on the frame is tightly propped against the plug box module puller to prevent the front and back movement of the module during vibration.
Further, a first positioning part is arranged on the first surrounding frame 3; a second positioning part is arranged on the third surrounding frame 5; a third positioning part is arranged on the bottom plate 2; the second enclosure frame 4 and the fourth enclosure frame 6 are respectively provided with a fourth positioning part corresponding to the first positioning part, a fifth positioning part corresponding to the second positioning part and a fifth positioning part corresponding to the third positioning part. In the embodiment, the positioning and mounting of all the components are realized through the mutual matching of the protrusions and the clamping grooves, and the accuracy of the mounting position is ensured. For example, the first positioning portion and the second positioning portion are both protrusions, and the fourth positioning portion and the fifth positioning portion are grooves. The third positioning part is a groove, and positioning bosses corresponding to the third positioning part are arranged on the second surrounding frame and the third surrounding frame.
Further, the third enclosure frame 5 is provided with a connector 15 and a positioning pin. The connector 15 is provided with a positioning pin hole; the positioning pin holes are arranged corresponding to the positioning pins. The locating pin hole on the connector and the locating pin on the surrounding frame can be successfully inserted, so that the positioning assurance of the plug box module and the connector is realized, the mounting tolerance is as small as possible, and the mounting is smoother.
Aiming at the defects in the prior art, the utility model designs the vibration test tool for the plug-in box module, optimizes the vibration test and obtains the vibration test data which is closer to the actual working so as to obtain the solution to cope with the generation of the complete machine fault in advance. To the product vibration test, in order to prevent that the product from receiving external force effect and leading to the product deformation, damage during the experiment, more importantly guarantee the true reliability of analogy environmental test, just need do a carrier, a frock that can bear the weight of the product, can press close to the surrounding environment when product in-service use again, the actual conditions when product in-service operation need be considered in the design of frock, the environment when product operation can not excessively be intervened, otherwise can lead to experimental data's inaccuracy, play the effect of simulation vibration test, just need do a frock carrier and install the product when doing vibration test, connect the shaking table. The vibration test tool not only needs to consider installing products, but also needs to consider a series of debugging and testing work of the products during vibration test. Especially for the plug-in box type products, as the back plate plug-in connector is connected by the multi-core tight connector, the vibration tool auxiliary acceleration test which is more reliable and is close to the time environment requirement is needed during vibration. The plug-in box module docking connectors are mostly compact multi-core connectors such as VPX, LRM and the like, the tail part is easy to damage the pins, and a reliable and stable vibration test tool is a necessary condition for smoothly completing the acceleration test. The acceleration vibration test is reliably completed, so that the problem is found in advance and solved for the special condition caused by vibration of the equipment in practical application. Meanwhile, the vibration test tool needs to take into consideration X, Y, Z three directions for vibration test, comprehensively considers vibration impact brought to products in all directions during vibration, and monitors stability, reliability and continuity of input signals of the products in real time during vibration test to timely eliminate faults. An appropriate vibration tool provides effective guarantee for normal operation of the product.
In summary, the top plate and the bottom plate of the vibration test fixture are provided with the guide rail grooves for installing the plug box module, and the fixture is installed based on the consistency of the first guide rail groove and the second guide rail groove when being assembled as a whole, and the positioning pin holes on the rear connector and the positioning pins on the surrounding frame are required to be successfully inserted. When the plug box module is inserted vertically, the plug box module is required to be inserted linearly along the first guide rail groove and the second guide rail groove and is matched with the pin hole of the rear connector, after the plug box module is installed, the front and back movement of the module during vibration is prevented by the propping action of a limiting boss on the rack and a plug box module puller, and the left and right movement of the plug box module during vibration can be prevented by the plugging of the plug box module positioned through the guide rail groove and the connector. In addition, the locating pins on the locating backboard frame of the connector are guaranteed, so that the installation tolerance is as small as possible, and the installation is smoother.
The assembly and use method of the utility model is as follows:
(1) The bottom plate is placed on the installation platform, and the two side rib plates are fixed on the bottom plate by screws.
(2) And (3) trial fitting the fifth positioning parts on the second enclosing frame and the fourth enclosing frame with the third positioning parts on the bottom plate, and pre-fixing the second enclosing frame and the fourth enclosing frame on the rib plates and the bottom plate by using screws without screwing the screws.
(3) And (3) finishing the installation and sealing of the internal interconnection devices such as the DB series connector, the SMA-K series connector, the LRM connector and the like on the signal control box. The sealing cover means that the top cover and the side cover are arranged on the corresponding surrounding frame.
(4) And placing the first enclosing frame, the signal control box and the fifth enclosing frame according to the positions of the corresponding positioning parts, and pre-tightening by using screws.
(5) And (5) after the positioning clamping grooves of the components are adjusted, screwing down the screws, and completing the assembly of the vibration test tool of the plug-in box module.
According to the steps, the components are respectively installed, the reliability of the installation of the components is checked after the assembly is completed, whether the installation of the inserting card in the signal control box is stable or not is checked, and then the installation holes which are reserved in the tool and are mutually connected with the vibrating table are fastened by using screws. In order to check the reliability of the installation of each component of the tool, the inserting box module is not installed first, the vibration test stand is adjusted to a certain frequency, and the vibration tool is firstly singly vibrated for a while in a naked state to check whether the connection of each screw is reliable or not. Finally, inserting the inserting box modules into the inserting holes (namely the first guide rail groove and the second guide rail groove) on the vibration tool one by one, adjusting the frequency and the impact data of the vibration equipment, and performing a vibration test. The signal control box on the vibration tool of the structure is provided with a connecting interface, and real-time monitoring during vibration can be performed according to the requirement of monitoring data. The vibration tool can change the appearance of the whole tool and the size of the structural part according to the number of the inserting box modules so as to meet the requirement that a plurality of inserting boxes are subjected to vibration tests.
The above examples are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the present utility model.
Claims (10)
1. The utility model provides a vibration test frock for subrack module, which is characterized in that, this frock includes the frame; the frame comprises a top plate and a bottom plate which are arranged at intervals, and a surrounding frame connected between the top plate and the bottom plate;
the top plate is provided with a first guide rail groove; the bottom plate is provided with a second guide rail groove; the first guide rail groove and the second guide rail groove are used for installing the plug box module;
the bottom plate is provided with a notch for preventing resonance.
2. The vibration testing tool for an insert box module according to claim 1, wherein,
the first guide rail grooves and the second guide rail grooves are arranged in a one-to-one correspondence mode, and the number of the first guide rail grooves and the number of the second guide rail grooves are multiple.
3. The vibration testing tool for an insert box module according to claim 1, wherein,
a limiting boss is arranged on the bottom plate;
the plug box module is provided with a puller;
the limiting boss is arranged corresponding to the puller and used for preventing the jack box module from moving during vibration test.
4. The vibration testing tool for an insert box module according to claim 1, wherein,
the enclosing frame comprises a first enclosing frame, a second enclosing frame, a third enclosing frame and a fourth enclosing frame which are connected end to end.
5. The vibration testing tool for an insert box module according to claim 4, wherein,
a first positioning part is arranged on the first surrounding frame;
a second positioning part is arranged on the third surrounding frame;
the bottom plate is provided with a third positioning part;
and the second surrounding frame and the fourth surrounding frame are respectively provided with a fourth positioning part corresponding to the first positioning part, a fifth positioning part corresponding to the second positioning part and a fifth positioning part corresponding to the third positioning part.
6. The vibration testing tool for an insert box module according to claim 4, wherein,
and a connector is arranged on the third surrounding frame.
7. The vibration testing tool for an insert box module according to claim 6, wherein,
and the third surrounding frame is provided with a locating pin.
8. The vibration testing tool for an insert box module according to claim 7, wherein,
the connector is provided with a positioning pin hole;
the positioning pin holes are arranged corresponding to the positioning pins.
9. The vibration testing tool for an insert box module according to claim 1, wherein,
and a support column is arranged between the top plate and the bottom plate.
10. The vibration testing tool for an insert box module according to claim 4, wherein,
ribs are arranged between the second surrounding frame and the bottom plate and between the fourth surrounding frame and the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321812413.0U CN220583724U (en) | 2023-07-11 | 2023-07-11 | Vibration test tool for plug box module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321812413.0U CN220583724U (en) | 2023-07-11 | 2023-07-11 | Vibration test tool for plug box module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220583724U true CN220583724U (en) | 2024-03-12 |
Family
ID=90113350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321812413.0U Active CN220583724U (en) | 2023-07-11 | 2023-07-11 | Vibration test tool for plug box module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220583724U (en) |
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2023
- 2023-07-11 CN CN202321812413.0U patent/CN220583724U/en active Active
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