CN107484404A - A kind of high intensity aviation protecting against shock antidetonation shielding case - Google Patents

A kind of high intensity aviation protecting against shock antidetonation shielding case Download PDF

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Publication number
CN107484404A
CN107484404A CN201710874114.2A CN201710874114A CN107484404A CN 107484404 A CN107484404 A CN 107484404A CN 201710874114 A CN201710874114 A CN 201710874114A CN 107484404 A CN107484404 A CN 107484404A
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CN
China
Prior art keywords
main body
cross
shielding case
antidetonation
aviation
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Granted
Application number
CN201710874114.2A
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Chinese (zh)
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CN107484404B (en
Inventor
杜虎
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Chengdu Pump Application Technology Research Institute
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Chengdu Pump Application Technology Research Institute
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Priority to CN201710874114.2A priority Critical patent/CN107484404B/en
Publication of CN107484404A publication Critical patent/CN107484404A/en
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00Screening of apparatus or components against electric or magnetic fields
    • H05K9/0007Casings
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details
    • H05K5/0217Mechanical details of casings
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/18Construction of rack or frame
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00Screening of apparatus or components against electric or magnetic fields
    • H05K9/0007Casings
    • H05K9/0009Casings with provisions to reduce EMI leakage through the joining parts
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00Aeronautics or air transport
    • Y02T50/40Weight reduction

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

The invention discloses a kind of high intensity aviation protecting against shock antidetonation shielding case, it is related to aviation shielding case equipment technical field, the present invention includes two panels side plate (1) and rectangular shaped rim (2) parallel to each other, and the rectangular shaped rim (2) is installed in parallel between side plate (1);The rectangular shaped rim (2) includes closing crossbeam (3) and strengthens vertical beam (4), and the closing crossbeam (3) connects to form rectangular shaped rim (2) with vertical beam (4) is strengthened by riveting block;The closing crossbeam (3) includes main body of cross-beam (31), offered on main body of cross-beam (31) for steel-wire screw-socket is installed circular bottom outlet (32), the flat hole (33) for field riveting block (5), for installing the irregularly-shaped hole (34) of nut strip (6), the irregularly-shaped hole (34) is located at the inner side of main body of cross-beam (31).The present invention has the advantages of ensureing main body of cross-beam and strengthen vertical beam bulk strength, improving aviation antidetonation shielding case job stability.

Description

A kind of high intensity aviation protecting against shock antidetonation shielding case
Technical field
The present invention relates to aviation shielding case equipment technical field, more particularly to a kind of high intensity aviation protecting against shock Antidetonation shielding case.
Background technology
Air environment is the important component of aircraft, in use often by aircraft engine sheet Body, the pneumatic flow-disturbing of aircraft exterior, vibration, the percussion of the flight attitude of aircraft and the factor such as take off, land, sliding Power.If the anti-vibration ability of equipment itself, in use will because of above-mentioned vibration, percussion and produce therefore Barrier, so as to influence the performance of whole aircraft.Under normal circumstances, equipment, which breaks down, mainly following two situations, one kind be Resonated on some Frequency point, and make the amplitude of equipment increasing, finally destroyed more than the limit acceleration of equipment.One Although kind be vibration, impact acceleration not less than the limit acceleration that equipment is born, due to Long-term Vibration, and make equipment because Fatigue and destroy.Carrier of the cabinet as electronic equipment, it appears it is particularly important, in order to ensure machine generation in the reliable of electronic equipment Property, cabinet has to carry out anti-vibration protecting against shock design.The vibration environment condition of air environment work is severe, and cabinet is Its main carriers, it is therefore desirable to reinforced in structure to cabinet, while its anti-vibration is improved using shock insulation buffer system Ability, so as to improve the reliability of whole air environment and service life.
In the aviation antidetonation shielding case of prior art, its structure type generally use crossbeam, cover plate and side plate etc. Part frame forms, and this structure type is although simple and practical, but stability is relatively poor, due in aviation antidetonation shielding case Portion's instrument is more, it is necessary to which the position of connection is also relatively more, when needing to connect other components, typically directly in crossbeam or side Drill, weld on plate, when main stress point perforate is more, the mechanical property of whole casing will certainly be influenceed, to aviation flight Safety belt carrys out huge hidden danger.
The content of the invention
It is an object of the invention to:Single in order to solve the aviation shielding case structure type of prior art, perforate is more, Easily cause body structure intensity decreases, the problem of influenceing casing shock resistance, the present invention provides a kind of high intensity aviation and prevented Impact antidetonation shielding case.
The present invention specifically uses following technical scheme to achieve these goals:
A kind of high intensity aviation protecting against shock antidetonation shielding case, including two panels side plate parallel to each other, in addition to rectangular edges Frame, the rectangular shaped rim are installed in parallel between side plate;The rectangular shaped rim includes closing crossbeam and strengthens vertical beam, the closing Crossbeam connects to form rectangular shaped rim with vertical beam is strengthened by riveting block;
It is described closing crossbeam include main body of cross-beam, offered on main body of cross-beam for steel-wire screw-socket is installed circular bottom outlet, For the flat hole of field riveting block, for installing the irregularly-shaped hole of nut strip, the special-shaped hole site is in the inner side of main body of cross-beam.
Preferably, the seam locating slot being provided at both ends with for shielding electromagnetic interference of the main body of cross-beam.
Preferably, the irregularly-shaped hole includes rectangular portion and curved portions, the rectangular portion is located at the inner side of main body of cross-beam, institute State rectangular portion to the distance of the inner side edge of main body of cross-beam be 5mm-6mm.
Preferably, it is described strengthen vertical beam include be used for closing crossbeam be connected X-axis installing plate, for mounting knob Y-axis installing plate and the stiffener plate for strengthening X-axis installing plate and Y-axis installing plate, the X-axis installing plate and Y-axis installing plate Vertical connection, the stiffener plate are connected with X-axis installing plate and Y-axis installing plate respectively.
Preferably, also including being used for the broken line type neck for installing front and rear baffle, the broken line type neck, which is arranged on, to be strengthened The inner side of gusset.
Preferably, the closing crossbeam and reinforcement vertical beam are formed by six line aluminium alloy one extrusion forming processing and fabricatings.
Beneficial effects of the present invention are as follows:
1. because aviation antidetonation shielding case internals is more, it is necessary to connect a variety of parts in casing, and The cabinet of prior art be generally all using directly on the crossbeam and side plate of sheet perforate miscellaneous part is installed, due to crossbeam With main bearing member of the side plate as cabinet, the crossbeam of the sheet of prior art is because slenderness ratio is larger, in airborne vibration The shaking amplitude of crossbeam is larger, and perforate is more on crossbeam easily influences its mechanical property, so that cabinet stability reduces, is Potential safety hazard is buried in flight;The body structure of the present invention, the connector commonly used in cabinet is integrated into closing crossbeam and strengthened perpendicular Inside beam, ensure main body of cross-beam and strengthen the continuity on the both sides up and down of vertical beam, so as to ensure its integral rigidity, maintain design institute The mechanical property needed, when needing connecting miscellaneous part on main body of cross-beam and reinforcement vertical beam, utilize reserved various mounting holes Installed, without carrying out bore operation to main body of cross-beam and the main stress area of reinforcement vertical beam, ensured main body of cross-beam With the bulk strength for strengthening vertical beam, the job stability of aviation antidetonation shielding case is improved.
2. box house electronic component is numerous, its caused electromagnetic interference is more, and space shuttle is in flight course Need to mask this unnecessary interference, traditional beam-end needs to connect substantial amounts of grounding copper winding displacement, could be effective By EMI blockage in box house, and vibration can be also followed in aircraft vehicle vibrations, between grounding copper bar, easily released, Electromagnetic interference is caused to reveal;The present invention devises seam locating slot in beam-end, is worked in coordination using male half coupling and concave mouth Clamping, without unnecessary connector, the junction of beam-end just can be made more stable, it is not easy to depart from vibration, keep electricity The continuity of stream, so as to effectively shield electromagnetic interference, grounding copper winding displacement is saved, the work for improving aviation antidetonation shielding case is steady It is qualitative.
3. nut strip is the conventional connector of aviation shielding case, various components are shielded by nut strip installed in aviation In cabinet;Nut strip is arranged in the irregularly-shaped hole on the inside of main body of cross-beam by this casing, when needing to connect component, passes through tapping Drilling installation, when tapping drills, irregularly-shaped hole is not easily controlled with the spacing on the inside of main body of cross-beam, and spacing is excessive, then not Easily drill through, spacing is too small, influences structural strength again;The rectangular portion of this casing is to the distance of the inner side edge of main body of cross-beam 5mm-6mm, this value range is applied to most of aviation thread-cutting screw, can drilled through easily, and does not influence structural strength, with This when connecting some widgets, without being connected with nut strip, need to be only simultaneously by self-tapping screw installation in this region Can, a kind of two kinds of purposes of structure are realized, make cabinet use more flexible and efficient.
4. existing cabinet is typically to serve as vertical applied force part with side plate, using beam welding or it is riveted on side plate, Form stress frame, although having saved material, because aviation flight impact by flow perturbation etc., box frame needs bear compared with Big acceleration, and the mechanical property of side plate is limited, although certain shock resistance effect can be played, due to vibrating and resonating, The risk that side plate has bending, damages and release;This cabinet devises the reinforcement vertical beam structure in T, and further is strengthening erecting The handing-over weak location of girder construction sets up stiffener plate, and when casing vibrates, stiffener plate can effectively limit X-axis installing plate and Y The Oscillation Amplitude of axle installing plate, make framework more stable;Meanwhile reinforcement vertical beam structure of the invention can be with closing crossbeam phase interworking Close, form more stable frame structure, improve the shock resistance of casing.
5. box house electronic component is numerous, its caused electromagnetic interference is more, and space shuttle is in flight course Need to mask this unnecessary interference, and it is more using welding or riveting between each part of traditional casing, especially exist At casing corner gap, due to the effect vibrated and resonated, there is deformation in corner gap, and electromagnetic interference is easily rushed at these gaps Leakage, influences flight safety;Stiffener plate designs l-shaped by the present invention, and is enclosed out with X-axis installing plate and Y-axis installing plate Empty passage, double-layer safety can be formed with wall box in the hollow channel that casing corner is reserved, even if casing corner has seam Gap, the side wall of hollow channel also effectively can prevent electromagnetic interference from revealing, improve the shielding properties of equipment.
6. because component is numerous in aviation shielded box, it is easy to disassemble to generally require back shroud and the front shroud of casing, Component is convenient for changing, the back shroud and front shroud of prior art casing are generally all to be connected by bolt with box frame, are torn open Needing first to open bolt when unloading could disengage with box frame, moreover, when being bolted to disposable airstream vibration, cover plate Shock is easily sent with framework, causes to become when serious, it is not easy to remove;The present invention is provided with broken line type in the inner side of stiffener plate Neck, installation position is formed using two relative broken line type necks, the installation of back shroud and front shroud is can be achieved with by sliding, It is convenient and swift.
7. the closing crossbeam and reinforcement vertical beam of the present invention are formed by six line aluminium alloy one extrusion forming processing and fabricatings, use Integral extrusion forming makes the structure of reinforcement vertical beam more stablize, and mechanical property is more outstanding, improves the impact resistance of equipment.
Brief description of the drawings
Fig. 1 is the overall structure figure of high intensity aviation protecting against shock antidetonation shielding case of the present invention;
Fig. 2 is the front view of the present invention;
Fig. 3 is the bottom view of the present invention;
Fig. 4 is closing beam structure schematic diagram;
Fig. 5 is closing crossbeam scheme of installation;
Fig. 6 is to strengthen vertical beam structural representation;
Reference:1- side plates;2- rectangular shaped rims;3- closes crossbeam;31- main body of cross-beam;32- circle bottom outlets;33- flats Hole;34- irregularly-shaped holes;341- rectangular portions;342- curved portions;35- seam locating slots;4- strengthens vertical beam;41-X axle installing plates;42-Y Axle installing plate;43- stiffener plates;44- broken line type necks;5- rivets block;6- nut strips;7- bottom plates;8- component mounting grooves;9- Component stage casing tie-beam;11- handles.
Embodiment
In order to which those skilled in the art are better understood from the present invention, 1-6 and following examples are to this below in conjunction with the accompanying drawings Invention is described in further detail.
Embodiment 1
As shown in figure 1, the present embodiment provides a kind of high intensity aviation protecting against shock antidetonation shielding case, including it is parallel to each other Two panels side plate 1 and rectangular shaped rim 2, the rectangular shaped rim 2 are installed in parallel between side plate 1;It is horizontal that the rectangular shaped rim 2 includes closing Beam 3 and reinforcement vertical beam 4, the closing crossbeam 3 and reinforcement vertical beam 4 form rectangular shaped rim 2 by riveting the connection of block 5;One casing Including two groups of rectangular shaped rims 2, every group of rectangular shaped rim 2 includes two closing crossbeams 3 and two reinforcement vertical beams 4.
For the structure of clearer explanation the present embodiment, the closing crossbeam 3 of the present embodiment includes main body of cross-beam 31, crossbeam Offered in main body 31 for steel-wire screw-socket is installed circular bottom outlet 32, the flat hole 33 for field riveting block 5, for installing The irregularly-shaped hole 34 of nut strip 6, the irregularly-shaped hole 34 are located at the inner side of main body of cross-beam 31.It is illustrated in figure 6 the rectangle of the present embodiment The installation place sectional drawing of frame 2 and side plate 1, by opened up on side plate 1 with the through hole that matches of riveting block 5, using rivet block 5 with And flat hole 33 will close crossbeam 3, reinforcement vertical beam 4 and side plate 1 and connect together.Further, in order to realize shielding case body Function, the present embodiment also includes bottom plate 7, the both ends of bottom plate 7 respectively with two groups of vertical connections of rectangular shaped rim 2, on bottom plate 7 also simultaneously Row is provided with multigroup component mounting groove 8 for mounting related components, is additionally provided with the middle part of casing parallel with closing crossbeam 3 Component stage casing tie-beam 9, component stage casing tie-beam 9 are to be used to install the less component of appearance and size.Component stage casing Tie-beam 9 is riveted on the middle part of side plate 1 by riveting parts.
The operation principle of the present embodiment is as follows:Because aviation antidetonation shielding case internals is more, it is necessary in casing Connect a variety of parts, and the cabinet of prior art be generally all using directly on the crossbeam and side plate of sheet perforate come Miscellaneous part is installed, due to the main bearing member of crossbeam and side plate as cabinet, the crossbeam of the sheet of prior art is due to length Thin bigger, in airborne vibration, the shaking amplitude of crossbeam is larger, and perforate is more on crossbeam easily influences its mechanical property, from And make the reduction of cabinet stability, bury potential safety hazard for flight;The body structure of the present embodiment, the connector that will be commonly used in cabinet It is integrated into closing crossbeam 3 and strengthens inside vertical beam 4, ensures main body of cross-beam 31 and strengthen the continuity on the both sides up and down of vertical beam 4, from And its integral rigidity is ensured, the mechanical property of design is maintained, when needs in main body of cross-beam 31 and are strengthened connecting it on vertical beam 4 During his part, installed using reserved various mounting holes, without to main body of cross-beam 41 and reinforcement 4 main stress of vertical beam Region carries out bore operation, has ensured main body of cross-beam 31 and has strengthened the bulk strength of vertical beam 4, has improved aviation antidetonation shielding case Job stability.
Embodiment 2
The present embodiment has made following optimization on the basis of embodiment 1:The both ends of the main body of cross-beam 31 of the present embodiment are set There is a seam locating slot 35 for shielding electromagnetic interference, seam locating slot 35 divides for male half coupling and concave mouth, utilizes interlocking Form, to strengthen the shield effectiveness of edge.
The operation principle of the present embodiment is as follows:Box house electronic component is numerous, and its caused electromagnetic interference is more, and Space shuttle is needed to mask this unnecessary interference in flight course, and traditional beam-end, which needs to connect, largely to be connect Ground copper bar line, could be effectively by EMI blockage in box house, and in aircraft vehicle vibrations, also can between grounding copper bar Vibration is followed, is easily released, causes electromagnetic interference to reveal;The present invention devises seam locating slot 35 in beam-end, and utilization is convex Seam and concave mouth are worked in coordination clamping, without unnecessary connector, the junction of beam-end just can be made more stable, it is not easy to Depart from vibration, keep the continuity of electric current, so as to effectively shield electromagnetic interference, saved grounding copper winding displacement, improved aviation The job stability of antidetonation shielding case.
Embodiment 3
The present embodiment has made following optimization on the basis of embodiment 1:The irregularly-shaped hole 34 of the present embodiment includes rectangular portion 341 With curved portions 342, the rectangular portion 341 is located at the inner side of main body of cross-beam 31, and the rectangular portion 341 arrives the inner side of main body of cross-beam 31 The distance on side is most preferably 5mm, can also be the arbitrary value between 5mm-6mm.
The operation principle of the present embodiment is as follows:Nut strip 6 is the conventional connector of aviation shielding case, and various components lead to Nut strip 6 is crossed in aviation shielding case;Nut strip 6 is arranged on the irregularly-shaped hole 34 of the inner side of main body of cross-beam 31 by this casing It is interior, when needing to connect component, drilled and installed by tapping, when tapping drills, irregularly-shaped hole 34 and main body of cross-beam 31 The spacing of inner side is not easily controlled, and spacing is excessive, then is not easy to drill through, and spacing is too small, influences structural strength again;This casing The distance of rectangular portion 341 to the inner side edge of main body of cross-beam 31 is 5mm-6mm, and this value range is applied to most of aviation tapping Screw, can easily drill through, and not influence structural strength, at the same time, when connecting some widgets, without with nut strip 6 Connection, it need to only be installed in this region by self-tapping screw, realize a kind of two kinds of purposes of structure, make cabinet using more Add flexible and efficient.
Embodiment 4
The present embodiment has made following optimization on the basis of embodiment 1-3 is any:The reinforcement vertical beam 4 of the present embodiment includes using In with closing crossbeam 3 be connected X-axis installing plate 41, the Y-axis installing plate 42 for mounting knob 11 and for strengthen X-axis pacify Loading board 41 and the stiffener plate of Y-axis installing plate 42 43, the X-axis installing plate 41 and the vertical connection of Y-axis installing plate 42, the reinforcement Gusset 43 is connected with X-axis installing plate 41 and Y-axis installing plate 42 respectively.
Further, the reinforcement vertical beam 4 of the present embodiment also includes being used for the broken line type neck 44 for installing front and rear baffle, described Broken line type neck 44 is arranged on the inner side of stiffener plate 43.
The operation principle of the present embodiment is as follows:Box house electronic component is numerous, and its caused electromagnetic interference is more, and Space shuttle needs to mask this unnecessary interference in flight course, and more using weldering between each part of traditional casing Connect or rivet, especially at casing corner gap, due to the effect vibrated and resonated, corner gap has deformation, electromagnetism Interference is easily rushed at these gaps and revealed, and influences flight safety;Stiffener plate 43 is designed l-shaped by the present invention, and is installed with X-axis Plate 41 and Y-axis installing plate 42 enclose out hollow channel, can be formed in the hollow channel that casing corner is reserved with wall box double Layer insurance, even if casing corner has gap, the side wall of hollow channel also effectively can prevent electromagnetic interference from revealing, improve equipment Shielding properties.Because component is numerous in aviation shielded box, it is easy to disassemble to generally require back shroud and the front shroud of casing, Component is convenient for changing, the back shroud and front shroud of prior art casing are generally all to be connected by bolt with box frame, are torn open Needing first to open bolt when unloading could disengage with box frame, moreover, when being bolted to disposable airstream vibration, cover plate Shock is easily sent with framework, causes to become when serious, it is not easy to remove;The present invention is provided with broken line in the inner side of stiffener plate 43 Type neck 44, installation position is formed using two relative broken line type necks 44, back shroud and front shroud are can be achieved with by sliding Installation, it is convenient and swift.
Embodiment 4
The present embodiment has made following optimization on the basis of embodiment 1-3 is any:The He of closing crossbeam 3 of the present embodiment Strengthen vertical beam 4 to be formed by six line aluminium alloy one extrusion forming processing and fabricatings.Make the knot of reinforcement vertical beam using integral extrusion forming Structure is more stable, and mechanical property is more outstanding, improves the impact resistance of equipment.
Described above, only presently preferred embodiments of the present invention is not intended to limit the invention, patent protection model of the invention Enclose and be defined by claims, the equivalent structure change that every specification and accompanying drawing content with the present invention is made, similarly It should include within the scope of the present invention.

Claims (6)

1. a kind of high intensity aviation protecting against shock antidetonation shielding case, including two panels side plate (1) parallel to each other, it is characterised in that: Also include rectangular shaped rim (2), the rectangular shaped rim (2) is installed in parallel between side plate (1);The rectangular shaped rim (2) includes envelope Close crossbeam (3) and strengthen vertical beam (4), the closing crossbeam (3) connects to form rectangular shaped rim with vertical beam (4) is strengthened by riveting block (2);
The closing crossbeam (3) includes main body of cross-beam (31), and the circle for installing steel-wire screw-socket is offered on main body of cross-beam (31) Shape bottom outlet (32), the flat hole (33) for field riveting block (5), it is described different for installing the irregularly-shaped hole (34) of nut strip (6) Shape hole (34) is located at the inner side of main body of cross-beam (31).
2. high intensity aviation protecting against shock antidetonation shielding case as claimed in claim 1, it is characterised in that:The main body of cross-beam (31) the seam locating slot (35) being provided at both ends with for shielding electromagnetic interference.
3. high intensity aviation protecting against shock antidetonation shielding case as claimed in claim 1, it is characterised in that:The irregularly-shaped hole (34) Including rectangular portion (341) and curved portions (342), the rectangular portion (341) is located at the inner side of main body of cross-beam (31), the rectangular portion (341) distance for arriving the inner side edge of main body of cross-beam (31) is 5mm-6mm.
4. the high intensity aviation protecting against shock antidetonation shielding case as described in claim 1-3 is any, it is characterised in that:The reinforcement Vertical beam (4) include be used for closing crossbeam (3) be connected X-axis installing plate (41), the Y-axis installing plate (42) for mounting knob, And for strengthening the stiffener plate (43) of X-axis installing plate (41) and Y-axis installing plate (42), the X-axis installing plate (41) and Y-axis Installing plate (42) vertical connection, the stiffener plate (43) are connected with X-axis installing plate (41) and Y-axis installing plate (42) respectively.
5. high intensity aviation protecting against shock antidetonation shielding case as claimed in claim 4, it is characterised in that:The reinforcement vertical beam (4) also include being used for the broken line type neck (44) for installing front and rear baffle, the broken line type neck (44) is arranged on stiffener plate (43) inner side.
6. high intensity aviation protecting against shock antidetonation shielding case as claimed in claim 4, it is characterised in that:The closing crossbeam (3) formed with reinforcement vertical beam (4) by six line aluminium alloy one extrusion forming processing and fabricatings.
CN201710874114.2A 2017-09-25 2017-09-25 High-strength aviation anti-impact anti-seismic shielding case Active CN107484404B (en)

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CN109633285A (en) * 2018-11-14 2019-04-16 中国空空导弹研究院 A kind of missile-borne data chain device vibration-testing electromagnetism dark box device
CN109665122A (en) * 2018-12-21 2019-04-23 吉林省大千电子科技有限公司 Satellite communication power supply signal comprehensive electromagnetic protective shell
CN110996607A (en) * 2019-11-21 2020-04-10 北京通畅电信规划设计院有限公司 Indoor network covers uses antidetonation frame
CN111954425A (en) * 2020-08-20 2020-11-17 广东电网有限责任公司梅州供电局 Blade server installation method and installation device

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