CN102970838B - The rack that a kind of anti-low-and high-frequency is impacted - Google Patents
The rack that a kind of anti-low-and high-frequency is impacted Download PDFInfo
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- CN102970838B CN102970838B CN201210473881.XA CN201210473881A CN102970838B CN 102970838 B CN102970838 B CN 102970838B CN 201210473881 A CN201210473881 A CN 201210473881A CN 102970838 B CN102970838 B CN 102970838B
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Abstract
The present invention discloses the rack that a kind of anti-low-and high-frequency is impacted, comprise outside framework and the inner frame being arranged on outside framework inside, described outside framework outside is coated with cabinet plate, the position that described outside framework contacts with ground and/or wall is provided with vibration absorber, and described inner frame is fixed in outside framework by vibration absorber.Rack is divided into independently outside framework and inner frame by the present invention, is connected between inner frame with outside framework, between outside framework with mounting points respectively by vibration isolator, and inside and outside two groups of vibration absorbers all can play vibration shock isolation and hit the effect with antidetonation.Vibration absorber between outside framework and mounting points can be isolated the shock wave of low frequency, and the vibration absorber between outside framework and inner frame can be isolated high-frequency shock wave, and the vibration isolation efficiency of whole rack can reach more than 80%.Rack entirety of the present invention is succinct, lightweight, difficulty of processing is low.
Description
Technical field
The present invention relates to a kind of instrument and rack is installed, be specifically related to a kind of shock resistance rack with double-layer vibration isolating be applicable on naval vessel.
Background technology
Rack in prior art on naval vessel is generally all provided with earthquake isolating equipment, between rack and installation site, namely arranges vibration isolator to reach shock insulation object.This single-layer partiting polarization technology can not solve the height frequency vibration problem in impact well simultaneously, the shock and vibration solving high frequency or low frequency part are usually only selected in prior art, and regardless of another part, the rack efficiency comparison so only carried out every punching for a certain frequency range is low, every rushing efficiency generally about 60%.
In addition the framework of single-layer partiting polarization technology rack after mostly adopting cast aluminium founding again machine work complete, or adopt thicker material to make, like this under same volume, individual layer rack weight ratio is comparatively large, when there being strict weight demands, realizes shock resistance very difficult.Individual layer rack is complicated for realizing the general design comparison of antidetonation object in addition, and difficulty of processing is large.
Summary of the invention
Can not the problem of anti-low-and high-frequency simultaneously for solving existing rack, the invention provides a kind of shock resistance rack of double-layer clapboard, concrete scheme is as follows: the rack that a kind of anti-low-and high-frequency is impacted, comprise outside framework and the inner frame being arranged on outside framework inside, described outside framework outside is coated with cabinet plate, it is characterized in that, the position that described outside framework contacts with ground and/or wall is provided with vibration absorber, and described inner frame is fixed in outside framework by vibration absorber.
For improving the shock strength of outside framework: described outside framework comprises two body side frames be oppositely arranged, connect top board, the base plate at two upper and lower two ends of body side frame respectively, described top board is welded to each other by two-ply and forms and soldered on two-ply staggers mutually, described body side frame comprises the column of both sides and connects the crossbeam of column, the middle part of described base plate is hollow-core construction and is provided with cross-shaped fagging, and the outer side edges of base plate is upwards bent to form the bending edge fixing with body side frame.
In order to improve the support strength of outside framework: described column comprise angle steel and be welded on angle steel inside mutually fasten by two U-lag steel the rectangle rib formed.
In order to improve the installation strength of vibration absorber: position corresponding with rectangle rib on described bending edge is provided with breach.
For improving the constant intensity of inner frame: described inner frame comprises left frame, correct frame and is connected to the crossbeam of left frame and correct frame both sides, described left frame and correct frame are provided with socket with crossbeam junction, and the two ends of crossbeam are welded and fixed after inserting the socket on left frame and correct frame respectively.
Conveniently mounting shock absorber: described left frame and correct frame comprise the pillar of both sides and the cross bar being connected two pillar upper and lower sides respectively, the drift angle both sides that wherein left frame is crossing with pillar with each cross bar of correct frame are connected respectively by a crossbeam, oblique mounting panel is fixed with between two crossbeams, oblique mounting panel after fixing forms an inclined-plane relative with drift angle, position relative with oblique mounting panel in described outside framework is provided with the oblique fixed head of same angle, described vibration absorber is fixed between oblique mounting panel and oblique fixed head.
In order to improve the shock strength of rack: the transverse and longitudinal junction on outside framework and inner frame is welded with triangle lacing wire respectively.
In order to improve the intensity of inner frame: be vertically fixed with the bracing piece connecting each crossbeam in the middle part of the crossbeam of described inner frame side.
In order to improve the impact resistance of rack: described vibration absorber is rubber absorbers or steel rope damper.
In order to improve the fixed effect of vibration absorber: on described outside framework mounting shock absorber position medial surface on be provided with strengthening vibration absorber install fixed head.
Rack is divided into independently outside framework and inner frame by the present invention, be connected respectively by vibration isolator between inner frame with outside framework, between outside framework with mounting points, then be arranged on inner frame by electronic equipment, inside and outside two groups of vibration absorbers all can play vibration shock isolation and hit the effect with antidetonation.Vibration absorber between outside framework and mounting points can be isolated the shock wave of low frequency, and the vibration absorber between outside framework and inner frame can be isolated high-frequency shock wave, and the vibration isolation efficiency of whole rack can reach more than 80%.Rack entirety of the present invention is succinct, lightweight, difficulty of processing is low.Can also carry out structural design for different environment for use to rack, to change the dynamic characteristic of rack, rack is faced when impacting operating mode can better be responded.
The outside framework of rack of the present invention is connected with mounting points by vibration absorber, avoid vibrations on naval vessel and impact is applied directly on rack, inner frame is connected by vibration absorber completely with between outside framework simultaneously, without being fixedly connected with, also greatly reduce concussion and impact that outside framework transmits, make instrument that inner frame is placed safer.Outside framework of the present invention and inner frame all adopt welding to be formed, and produce loosen to avoid bolt under vibrations and impact.The top board of outside framework adopts double-decker to prevent deforming tops, and the seam mutually staggered also improves the intensity of top board after pressurized.The rectangle rib at middle plate place can improve the intensity of outside framework longitudinal direction, base plate place arranges the intensity that fixed head not only can be used for fixing vibration absorber but also can strengthen self, top board, middle plate, base plate rectangle rib support be connected under formed an entirety, improve the intensity of outside framework and decrease weight.Inner frame is arranged to the plane tilted four top edge, simultaneously for mounting shock absorber leaves space.
Vibration absorber in the present invention adopts the standard in national military standard 6412-2008 completely, and the vibration absorber arranged inside and outside outside framework can be dissimilar vibration absorber, realizes the needs in different application with the installation site and performance parameter by adjusting vibration absorber.
Accompanying drawing explanation
Fig. 1 outside framework structural representation of the present invention;
The connection diagram of Fig. 2 body side frame and base plate;
Fig. 3 bearing wall and frame structure schematic diagram of the present invention;
The vibration absorber scheme of installation of Fig. 4 inner frame upper supporting column and cross bar intersection;
The structural representation of Fig. 5 crossbeam;
The body side frame structural representation of Fig. 6 outside framework;
The structural representation of Fig. 7 body side frame upper pillar stand;
The connection diagram of Fig. 8 body side frame and top board;
Fig. 9 has installed the bearing wall and frame structure schematic diagram of vibration absorber;
The connection of Figure 10 pillar and crossbeam is intended to;
The structural representation of Figure 11 crossbeam;
Figure 12 is positioned at the vibration absorber scheme of installation at inner frame and angle, outside framework base;
Figure 13 is positioned at the vibration absorber scheme of installation of inner frame and outside framework top corner.
Attached number in the figure illustrates: 1-outside framework, 101-body side frame, 102-top board, 103-base plate, 104-column, 105-strengthen plate, 106-crossbeam, 107-bending edge, 108-angle steel, the oblique fixed head of 109-, 110-cross-shaped fagging, 111-breach, 112-rectangle rib, 2-inner frame, 201-left frame, 202-correct frame, the oblique mounting panel of 203-, 204-bracing piece, 205-cross bar, 206-pillar, 207-socket, 3-cabinet plate, 4-vibration absorber, the lacing wire of 5-triangle.
Embodiment
As shown in Figure 1,3, the rack that anti-low-and high-frequency of the present invention is impacted, comprise outside framework 1 and the inner frame 2 being arranged on outside framework inside, outside framework 1 outside is coated with cabinet plate 3, the position that outside framework 1 contacts with ground and/or wall is provided with vibration absorber 4, and inner frame 2 is fixed in outside framework 1 by vibration absorber 4.Outside framework 1 is contacted with mounting points by vibration absorber 4, changing former rack contacts as Elastic Contact with mounting points firmly, the low frequency impact that rack is subject to is cut down, and adopt elastic vibration absorber 4 to connect equally between inner frame 2 with outside framework 1, the high-frequency percussion that inner frame 2 is subject to is cut down further, farthest ensure that the safety of the various electronic equipments installed in inner frame.The mode that whole rack of the present invention adopts inner and outer movable to connect, the principle that utilization is suspended in midair reduces the impact that internal electronic equipment is subject to, and improves the ability that the anti-low-and high-frequency of rack is impacted.
As a shown in Figure 6, outside framework 1 of the present invention comprises two body side frames be oppositely arranged 101 and the top board 102 and the base plate 103 that are connected two body side frame about 101 two ends respectively, top board 102 is welded to each other by two-ply and forms and soldered on two-ply staggers mutually, doubling plate can strengthen the compressive resistance of enclosure top, and the soldered simultaneously on two-ply mutually staggers when can avoid stressed and occurs the phenomenon that solder joint disconnects.Body side frame 101 comprises the column 104 of both sides and connects the crossbeam 106 of column 104, in order to strengthen the support strength of column 104, as shown in Figure 7, column 104 adopts angle steel 108 as body supports, and in the inner side of angle steel 108, welding fastens by two U-lag steel the rectangle rib 112 formed mutually simultaneously.The middle part of base plate 103 is hollow-core construction and is provided with cross-shaped fagging 110, the termination of cross-shaped fagging 110 is welded on base plate 102 respectively, in order to strengthen the fixed effect of base plate and body side frame, as shown in Figure 2, the outer side edges of base plate 103 is upwards bent to form the convenient bending edge 107 fixing with side board 101.When mounted the framework that body side frame 101 is formed is placed in the bending edge 107 of base plate 103, the angle steel 108 of column 104 is fixed with bending edge 107 by recycling welding, simultaneously in order to avoid rectangle rib 112 affects welding effect, position corresponding with rectangle rib 112 on bending edge 107 arranges breach 111.The upper end that top board 102 is buckled in body side frame 101 utilizes welding to be fixed equally, in order to strengthen fixed effect, as shown in Figure 8, a side and top board 102 contact weld of angle steel 108 is utilized on the top of body side frame 101, the two ends of angle steel 108 are welded with column 104 respectively, and the another side of angle steel 108 is vertical with top board 102.
As shown in Figure 1, 2, because rack is generally upright be placed on mounting points, the position stress deformation of mounting shock absorber 4 on base plate 103, the present invention is welded with the strengthening plate 105 strengthening vibration absorber 4 constant intensity on base plate 103, can also strengthen the intensity of base plate 103 while that strengthening plate 105 not only can strengthening the fixed effect of vibration absorber.As shown in Fig. 3,10, inner frame 2 of the present invention comprises left frame 201, correct frame 202 and is connected to the crossbeam 106 of left frame 201 and correct frame 202 both sides, wherein left frame 201 and correct frame 202 are provided with socket 207 with crossbeam 106 junction, the two ends of crossbeam 106 are welded and fixed after inserting the socket 207 on left frame 201 and correct frame 202 respectively, and socket 207 can facilitate crossbeam 106 to weld with the laminating of left frame 201 and correct frame 202.Left frame 201 and correct frame 202 comprise the pillar 206 of both sides and the cross bar 205 being connected two pillar 206 upper and lower sides respectively, and pillar 206 adopts angle steel 108 to make, and as shown in Figure 5, cross bar 205 adopts Ω shape steel to make.As shown in Figure 4, the drift angle both sides that wherein left frame 201 is crossing with pillar 206 with cross bar 205 each on correct frame 202 are connected respectively by a crossbeam 106, oblique mounting panel 203 is fixed with between two crossbeams 106, oblique mounting panel 203 after fixing forms an inclined-plane relative with residing drift angle, position relative with oblique mounting panel 203 on outside framework 1 is provided with the oblique fixed head 109 of same angle, vibration absorber 4 is fixed between oblique mounting panel 203 and oblique fixed head 109, as shown in Figure 12,13.Adopt the oblique mounting panel tilting to install both to leave the position of mounting shock absorber 4 four of inner frame top edge, have also been enlarged the installing space of vibration absorber 4 simultaneously.Inner frame 2 entirety after installation is supported on the inside of outside framework 1 by the vibration absorber 4 of four top edge, be in flexible fastening state completely.
In order to strengthen the fastness of rack, as shown in Fig. 2,11, be welded with triangle lacing wire 5 respectively in all transverse and longitudinal intersections of outside framework 1 and inner frame 2.Triangle lacing wire 5 is a right angle triangle iron, and two right-angle sides weld with the both sides, transverse and longitudinal junction of each framework respectively.Vibration absorber 4 of the present invention is rubber absorbers or steel rope damper, and design parameter is advisable to meet army mark 6412-2008.In order to strengthen the intensity of inner frame 2 entablature 106, in the middle part of the crossbeam 106 of inner frame 2 side, be vertically fixed with the bracing piece 204 connecting each crossbeam.Because rack and ground adopt vibration absorber to be connected, therefore in order to keep the stable of rack, general namely contact with wall at the back side of rack that one side is same to be connected by vibration absorber, have connect like this at 2 and both can keep stablizing of rack, also can reduce rack and wall collisions and the impact that produces.As shown in Fig. 1,9, the present invention arranges four vibration absorbers at the bottom even of rack, two vibration absorbers 4 are arranged at the back side of rack, in order to strengthen the installation strength of outside framework 1 and vibration absorber everywhere, equally on outside framework 1 mounting shock absorber 4 position medial surface on the fixed head 105 that strengthening vibration absorber installs is set.The upper and lower faces of inner frame 2 arranges four vibration absorbers 4 respectively, the jerk be subject to omnibearing protection inner frame.
The above is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any technical staff being familiar with this patent is not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned prompting can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of the present invention program.
Claims (7)
1. the rack that a kind of anti-low-and high-frequency on naval vessel is impacted, comprise outside framework (1) and be arranged on the inner frame (2) of outside framework inside, described outside framework (1) outside is coated with cabinet plate (3), it is characterized in that, the position that described outside framework (1) contacts with ground and/or wall is provided with vibration absorber (4), described inner frame (2) is fixed in outside framework (1) by vibration absorber (4), described inner frame (2) comprises left frame (201), correct frame (202) and be connected to the crossbeam (106) of left frame (201) and correct frame (202) both sides, described left frame (201) and correct frame (202) go up and crossbeam (106) junction is provided with socket (207), the two ends of crossbeam (106) are welded and fixed after inserting the socket (207) on left frame (201) and correct frame (202) respectively, described left frame (201) and correct frame (202) comprise the pillar (206) of both sides and the cross bar (205) being connected two pillar (206) upper and lower sides respectively, the drift angle both sides that wherein left frame (201) is crossing with pillar (206) with each cross bar (205) of correct frame (202) are connected respectively by a crossbeam (106), oblique mounting panel (203) is fixed with between two crossbeams (106), oblique mounting panel (203) after fixing forms an inclined-plane relative with drift angle, position relative with oblique mounting panel (203) in described outside framework (1) is provided with the oblique fixed head (109) of same angle, described vibration absorber (4) is fixed between oblique mounting panel (203) and oblique fixed head (109).
2. rack as claimed in claim 1, it is characterized in that, described outside framework comprises two body side frames be oppositely arranged (101) and is connected the top board (102) at two upper and lower two ends of body side frame and base plate (103) respectively, described top board (102) is welded to each other by two-ply and forms and soldered on two-ply staggers mutually, described body side frame (101) comprises the column (104) of both sides and connects the crossbeam (106) of column, the middle part of described base plate (103) is hollow-core construction and is provided with cross-shaped fagging (110), the outer side edges of base plate (103) is upwards bent to form the bending edge (107) fixing with body side frame (101), base plate (103) is welded with the strengthening plate (105) strengthening vibration absorber (4) constant intensity.
3. rack as claimed in claim 2, is characterized in that, described column (104) comprises angle steel (108) and is welded on angle steel inside and mutually fastens by two U-lag steel the rectangle rib (112) formed.
4. rack as claimed in claim 3, is characterized in that, the upper position corresponding with rectangle rib (112) of described bending edge (107) is provided with breach (111).
5. as the rack in claim 4 or 1 as described in any one, it is characterized in that, the transverse and longitudinal junction on outside framework (1) and inner frame (2) is welded with triangle lacing wire (5) respectively.
6. rack as claimed in claim 1, is characterized in that, crossbeam (106) middle part of described inner frame (2) side is vertically fixed with the bracing piece (204) connecting each crossbeam.
7. rack as claimed in claim 1, it is characterized in that, described vibration absorber (4) is rubber absorbers or steel rope damper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210473881.XA CN102970838B (en) | 2012-11-20 | 2012-11-20 | The rack that a kind of anti-low-and high-frequency is impacted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210473881.XA CN102970838B (en) | 2012-11-20 | 2012-11-20 | The rack that a kind of anti-low-and high-frequency is impacted |
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| Publication Number | Publication Date |
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| CN102970838A CN102970838A (en) | 2013-03-13 |
| CN102970838B true CN102970838B (en) | 2015-10-28 |
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| CN201210473881.XA Active CN102970838B (en) | 2012-11-20 | 2012-11-20 | The rack that a kind of anti-low-and high-frequency is impacted |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB2518843A (en) * | 2013-10-01 | 2015-04-08 | Cannon Technologies Ltd | Shock attenuation system |
| CN103715864B (en) * | 2013-12-19 | 2016-12-07 | 南车株洲电力机车研究所有限公司 | Converter cabinet |
| CN105050342B (en) * | 2015-09-11 | 2017-09-19 | 深圳市怡富通讯科技有限公司 | A kind of damping rack |
| CN105846314A (en) * | 2015-12-30 | 2016-08-10 | 镇江船舶电器有限责任公司 | Frame structure for marine medium voltage distribution cabinet |
| CN107304793A (en) * | 2016-04-18 | 2017-10-31 | 南京赛宝工业技术研究院 | Air environment with vibration isolation buffering device |
| CN106455389A (en) * | 2016-11-10 | 2017-02-22 | 许继电气股份有限公司 | Equipment cabinet block and equipment cabinet |
| CN108419389A (en) * | 2018-03-14 | 2018-08-17 | 上海复珊精密制造有限公司 | A kind of quake-proof machine cabinet frame |
| CN112839471B (en) * | 2019-11-22 | 2023-03-14 | 北京广利核系统工程有限公司 | Light frame structure meeting impact resistance and shock resistance |
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Address after: 100094 Yongfeng Road, Beijing, No., building 5, building 5 Applicant after: Beijing Guangli Nuclear Power Co., Ltd. Applicant after: China General Nuclear Power Corporation Address before: 100094 Yongfeng Road, Beijing, No., building 5, building 5 Applicant before: Beijing Guangli Nuclear Power Co., Ltd. Applicant before: China Guangdong Nuclear Power Group Co., Ltd. |
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| CB03 | Change of inventor or designer information |
Inventor after: Jiang Guojin Inventor after: Wang Hailong Inventor after: Bai Tao Inventor after: Sun Yongbin Inventor after: Chen Wei Inventor after: Jiang Zhirui Inventor after: Yuan Yuguo Inventor after: Ning Dai Inventor after: Shi Guilian Inventor after: Qi Min Inventor before: Chen Wei Inventor before: Jiang Zhirui Inventor before: Yuan Yuguo Inventor before: Bai Tao Inventor before: Shi Guilian Inventor before: Qi Min |