CN104129110A - Metal corrugated plate with wide span and thick panel and preparation method thereof - Google Patents
Metal corrugated plate with wide span and thick panel and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a metal corrugated plate with wide span and thick panel and a preparation method thereof. The method is as below: using a single hot pressing or cold pressing molded core body with platform, parallel welding the core body to the lower panel, and connecting the upper panel and core body by bolts. Though multi-layer overlay, a multi-layer corrugated board can also be formed, and a secondary layer core body outer connection way by threaded hole is employed for facilitate standardized design production and disassembly; inclination angles of the core bodies of different layers can be different, and are between 0-90 DEG C, and corrugated stretch direction of different layers can be different; the core body through holes can pass fluid or a filling material; and the metal corrugated board is usually used for large-scale structure member, and can be used for multi functional design. The method has the advanategs of excellent performance of corrugated board designed by the method, mature technology, simple method, convenience for batch production, and broad market prospect.
Description
Technical field
The present invention relates to a kind of corrugated plating preparation field, particularly metal corrugated plate of a kind of large span, thick panel and preparation method thereof.
Background technology
Corrugated plating (Corrugated Board) is a kind of two-dimensional lattice compound sandwich structure.As the light-duty lattice structure of one, its distinctive high specific stiffness and can cause global showing great attention to by Multifunctional design.
The sandwich sandwich structure that corrugated plating is made up of the additional upper and lower panel of core body, its core body is formed in both direction continuation by representative unit cell.Relatively traditional solid material, it has very large advantage: specific strength is high, open architecture, can realize Multifunctional design, quality is light, fracture toughness good.By optimal design, it can meet various designing requirements, has broad application prospects in fields such as Aeronautics and Astronautics, navigation, traffic.The channel design that corrugated plating forms makes its inside realize channel function, and this advantage makes it in the structure with structural bearing and pipe design, obtain unique application.
Military and commercial Application surface, compared with traditional metal structure, the dot matrix compound sandwich structure with identical performance can reach 70% by loss of weight.The characteristic of lattice material light-high-strength can meet the designing requirement for light structures in the field such as Aeronautics and Astronautics, navigation, is meeting requirement of strength and effectively alleviate simultaneously the weight of structure.The prerequisite that realizes its large-scale application is the solution of extensive manufacturing technology.
Connection for metallic core with panel, tradition adopts laser weld, soldering and bonding technology etc., but these technology have many limitation, soldering has considerable restraint to the physical dimension of test specimen, can not manufacture large scale structure, and its solder side bonding strength often can not ensure, laser weld is only applicable to the structure that panel is thinner, and the adhesive surface intensity of bonding technology is often lower, very high to outside environmental requirement.Existing manufacturing technology has greatly limited corrugated plating and has used on a large scale, especially as the use of large-sized structural parts.
Summary of the invention
The object of the present invention is to provide metal corrugated plate of a kind of large span, thick panel and preparation method thereof, to solve the preparation problem of metal corrugated plate of large span, thick panel, and be convenient to dismounting.
To achieve these goals, the present invention adopts following technical scheme:
A metal corrugated plate for large span, thick panel, comprises top panel, lower panel and some band platform core bodys; Described band platform core body forming V-shape shape, comprises platform and symmetrically arranged side plate; On platform, evenly offer some screwed holes; Evenly parallel being distributed on lower panel of described some band platform core bodys, and be welded and fixed into mutually an overall individual layer corrugated body with lower panel; On top panel, offer the corresponding screwed hole of screwed hole some and on platform, some bolts are through top panel and some with screwed hole corresponding on platform core body, and top panel and some platform screw threads with platform core body are fixed; Wherein, panel, lower panel and some platforms with platform core body parallel, and end and the lower panel of some side plates with platform core body are welded and fixed.
Preferably, the spacing between phase adjacent band platform core body equals the width of platform.
Preferably, the biside plate with platform core body and the inclination angle of platform are X, 30 ° of < X≤90 °.
Preferably, lower panel bottom is also provided with some layers of individual layer corrugated body, and the bearing of trend with platform core body of the individual layer corrugated body of adjacent layer is parallel or vertical; It is inner or outside that the bolt junction of adjacent monolayer corrugated body is positioned at the band platform core body of upper strata individual layer corrugated body.
Preferably, the bearing of trend with platform core body of the individual layer corrugated body of adjacent layer is parallel, aligns with the platform of platform core body with lower floor in the interval between epipelagic zone platform core body; The bolt junction of adjacent monolayer corrugated body is positioned at the outside with platform core body of upper strata individual layer corrugated body, and bolt is fixedly connected with the platform of platform core body with lower floor through the interval between epipelagic zone platform core body.
Preferably, the bearing of trend with platform core body of the individual layer corrugated body of adjacent layer is vertical; The bolt junction of adjacent monolayer corrugated body is positioned at the outside with platform core body of upper strata individual layer corrugated body, bolt through the interval between epipelagic zone platform core body with the platform of lower floor with platform core body to being fixedly connected with.
A preparation method for the metal corrugated plate of large span, thick panel, comprises the following steps: be distributed on lower panel parallel band platform core body, adjacent two band platform core body intervals arrange; Described band platform core body forming V-shape shape, comprises platform and symmetrically arranged side plate; On platform, evenly offer some screwed holes; Take arc welding at two side plates with platform core body with lower panel contact position, will be welded into an overall individual layer corrugated body with platform core body and lower panel; On top panel, offer the corresponding screwed hole of screwed hole some and on platform, some bolts are through top panel and some with screwed hole corresponding on platform core body, and top panel and some platform screw threads with platform core body are fixed.
A preparation method for the metal corrugated plate of large span, thick panel, comprises the following steps: the metal corrugated plate of described large span, thick panel comprises some layers of individual layer corrugated body; Be distributed on lower panel parallel band platform core body, adjacent two band platform core body intervals arrange; Described band platform core body forming V-shape shape, comprises platform and symmetrically arranged side plate; On platform, evenly offer some screwed holes; Take arc welding at two side plates with platform core body with lower panel contact position, will be welded into an overall individual layer corrugated body with platform core body and lower panel; Second layer individual layer corrugated body is set on ground floor individual layer corrugated body, is fixed and is connected with the platform of ground floor band platform core body through the interval between second layer band platform core body with bolt; Using such method until fixedly complete last one deck individual layer corrugated body, is in the end installed panel on one deck individual layer corrugated body; On top panel, offer the corresponding screwed hole of screwed hole on the platform of some and last one deck individual layer corrugated body, some bolts, through corresponding screwed hole on the platform of top panel and last one deck individual layer corrugated body, are fixed top panel and some platform screw threads with platform core body of last one deck individual layer corrugated body.
Preferably, the bearing of trend with platform core body of the individual layer corrugated body of adjacent layer is parallel, aligns with the platform of platform core body with lower floor in the interval between epipelagic zone platform core body; The bolt junction of adjacent monolayer corrugated body is positioned at the outside with platform core body of upper strata individual layer corrugated body, and bolt is fixedly connected with the platform of platform core body with lower floor through the interval between epipelagic zone platform core body.
Preferably, the bearing of trend with platform core body of the individual layer corrugated body of adjacent layer is vertical; The bolt junction of adjacent monolayer corrugated body is positioned at the outside with platform core body of upper strata individual layer corrugated body, bolt through the interval between epipelagic zone platform core body with the platform of lower floor with platform core body to being fixedly connected with.
Preferably, connecting bolt and screwed hole adopt sealing bolt form, form the ripple cavity of sealing, in different layers core body, can fill certain material, as heat-barrier material, and explosion-proof lamp, fire proofings etc., also can pass into certain fluid, play specific effect.
With respect to prior art, the present invention has following beneficial effect:
1. under state-of-the-art, can realize the making of multilayer corrugated plate by successively stack and bolted mode, can realize thick panel, the preparation of large span metal corrugated plate;
2. the corrugated plating that prepared by this kind of method can successively be dismantled, easy to maintenance;
3. the corrugated plating that prepared by this kind of method can be used as large-sized structural parts and uses, and can effectively alleviate construction weight;
4. the corrugated plating that prepared by this kind of method can form closed conduit, is convenient to carry out multifunction design.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of individual layer corrugated plating of the present invention.
Fig. 2 is the schematic diagram of a kind of core form of the present invention.
Fig. 3 is the structural representation of a kind of double-deck corrugated plating of the present invention.
Fig. 4 is the structural representation of the double-deck corrugated plating of another kind of the present invention.
Fig. 5 is the structural representation of the double-deck corrugated plating of another kind of the present invention.
Detailed description of the invention
Corrugated plating preparation method of the present invention can realize the quick preparation of large span corrugated plating.
Refer to shown in Fig. 1 to Fig. 5, the metal corrugated plate of a kind of large span of the present invention, thick panel, is single layer structure or multiple-layer stacked result, and the main components of single layer structure has: top panel 2, lower panel 4, band platform core body 6, bolt 3.
Be single layer structure as depicted in figs. 1 and 2,6 one-tenth V-type shapes of band platform core body, comprise platform 61 and symmetrically arranged side plate 62, and it adopts hot rolling or cold moudling; Biside plate 62 with platform core body 6 is 0 ° of-90 ° of arbitrary numerical value with the inclination angle of platform 61, considers actual use, conventionally at 30 °-90 °, if 90 °, be general U-shaped channel-section steel.At band, platform core body 6 tip platform 61 places have equally distributed screwed hole 1, consider sealing, can adopt the sealed tube screw thread with sealing function.
As shown in Figure 2, be distributed on lower panel 4 parallel band platform core body 6, adjacent two band platform core body 6 spacing are changeable, and core body 6 spacing that this example is chosen are the width of platform 61.Take arc welding at band platform core body 6 with lower panel 4 contact positions, band platform core body 6 and lower panel 4 are welded into a whole.Welding should ensure welding quality, reaches completely and engages.
As shown in Figure 1, have parallel screwed hole in the above on plate 2, the screwed hole on top panel 2 is corresponding one by one with the screwed hole 1 with platform core body 6 tip platforms 61.As shown in Figure 1, top panel 2 is covered on the band platform core body 6 having welded, uses bolt 3 by fastening to top panel 2 and platform 61.Completed the preparation of individual layer corrugated plating.
As shown in Figure 3-Figure 5, the method can be prepared double-deck corrugated plating.Bilayer has several different typical arrangement rules, and as shown in Figure 3, upper band platform core body 8, lower band platform core body 7 are identical distributing order, and unanimous between the higher and lower levels, lower floor's bolt junction 5 is positioned at band platform core body 8; Upper band platform core body 8, lower band platform core body 7 are identical with band platform core body 6 structures.Another kind of form as shown in Figure 4, upper band platform core body 8 and lower band platform core body 7 mutual dislocation, lower floor's bolt junction 5 be positioned at adjacent on interval with platform core body 8, align with the lower platform with platform core body 7, convenient successively dismounting.Figure 5 shows that the arrangement mode that a kind of mechanical property is the most balanced, on mutually orthogonal with platform core body 8, the lower ripple bearing of trend with platform core body 7, lower floor's bolt junction 5 can be positioned at band platform core body 8, also can be positioned at band platform core body 8 outsides.Be illustrated in figure 4 preferably connected mode, lower floor's bolt junction 5 is positioned at band platform core body outside, can successively dismantle, and is convenient to maintaining.And the connected mode shown in Fig. 3, lower floor's bolt junction is positioned at band platform core body inside, is one-shot forming, not quick detachable.
The method also can be prepared multilayer corrugated plate.Recommend adoption time lower floor's bolt junction is positioned at band platform core body outside, be convenient to detachable maintaining, and unified standard is changed parts.
Need to further illustrate, the present invention does not limit to the form of above given embodiment, can also be transformed to other version.As change the sublevel place of being threadedly engaged with and be positioned at the non-centre position of core body, by inner core body certain material of filling, through-flow body in core body, changes platform size etc.As long as individual layer corrugated plating screw connection structure as defined in the present invention, all will fall into protection scope of the present invention.
Claims (10)
1. a metal corrugated plate for large span, thick panel, is characterized in that, comprises top panel (2), lower panel (4) and some band platform core bodys (6); Described band platform core body (6) forming V-shape shape, comprises platform (61) and symmetrically arranged side plate (62); On platform (61), evenly offer some screwed holes (1); Described some band platform core bodys (6) are evenly parallel, and to be distributed in lower panel (4) upper, and be welded and fixed into mutually an overall individual layer corrugated body with lower panel (4); On top panel (2), offer the corresponding screwed hole of screwed hole (1) some and on platform (61), some bolts (3), through top panel (2) and the upper corresponding screwed hole of some band platform core bodys (6), are fixed top panel (2) and platform (61) screw thread of some band platform core bodys (6); Wherein, the platform (61) of top panel (2), lower panel (4) and some band platform core bodys (6) parallels, and end and the lower panel (4) of the side plate (62) of some band platform core bodys (6) are welded and fixed.
2. the metal corrugated plate of a kind of large span according to claim 1, thick panel, is characterized in that, the spacing between phase adjacent band platform core body (6) equals the width of platform (61).
3. the metal corrugated plate of a kind of large span according to claim 1, thick panel, it is characterized in that, the biside plate (62) of band platform core body (6) is X with the inclination angle of platform (61), 30 ° of < X≤90 °.
4. the metal corrugated plate of a kind of large span according to claim 1, thick panel, it is characterized in that, lower panel (4) bottom is also provided with some layers of individual layer corrugated body, and the bearing of trend of the band platform core body (6) of the individual layer corrugated body of adjacent layer is parallel or vertical; It is inner or outside that the bolt junction of adjacent monolayer corrugated body is positioned at the band platform core body (6) of upper strata individual layer corrugated body.
5. the metal corrugated plate of a kind of large span according to claim 4, thick panel, it is characterized in that, the bearing of trend of the band platform core body (6) of the individual layer corrugated body of adjacent layer is parallel, aligns with the platform of lower floor's band platform core body (6) in the interval between epipelagic zone platform core body (6); The bolt junction of adjacent monolayer corrugated body is positioned at the outside of the band platform core body (6) of upper strata individual layer corrugated body, and bolt is fixedly connected with the platform of lower floor's band platform core body (6) through the interval between epipelagic zone platform core body (6).
6. the metal corrugated plate of a kind of large span according to claim 4, thick panel, is characterized in that, the bearing of trend of the band platform core body (6) of the individual layer corrugated body of adjacent layer is vertical; The bolt junction of adjacent monolayer corrugated body is positioned at the outside of the band platform core body (6) of upper strata individual layer corrugated body, and bolt is with the platform of platform core body (6) to being fixedly connected with through the interval between epipelagic zone platform core body (6) with lower floor.
7. the preparation method of the metal corrugated plate of a large span, thick panel, it is characterized in that, comprise the following steps: will be with the parallel lower panel (4) that is distributed in of platform core body (6) to go up, adjacent two band platform core bodys (6) interval arranges; Described band platform core body (6) forming V-shape shape, comprises platform (61) and symmetrically arranged side plate (62); On platform (61), evenly offer some screwed holes (1); Arc welding is taked in two same lower panels of side plate (4) contact position at band platform core body (6), will be welded into an overall individual layer corrugated body with platform core body (6) and lower panel (4); On top panel (2), offer the corresponding screwed hole of screwed hole (1) some and on platform (61), some bolts (3), through top panel (2) and the upper corresponding screwed hole of some band platform core bodys (6), are fixed top panel (2) and platform (61) screw thread of some band platform core bodys (6).
8. a preparation method for the metal corrugated plate of large span, thick panel, is characterized in that, comprises the following steps: the metal corrugated plate of described large span, thick panel comprises some layers of individual layer corrugated body; To be with the parallel lower panel (4) that is distributed in of platform core body (6) to go up, adjacent two band platform core bodys (6) interval arranges; Described band platform core body (6) forming V-shape shape, comprises platform (61) and symmetrically arranged side plate (62); On platform (61), evenly offer some screwed holes (1); Arc welding is taked in two same lower panels of side plate (4) contact position at band platform core body (6), will be welded into an overall individual layer corrugated body with platform core body (6) and lower panel (4);
Second layer individual layer corrugated body is set on ground floor individual layer corrugated body, is fixed and is connected with the platform of ground floor band platform core body (6) through the interval between second layer band platform core body (6) with bolt; Using such method until fixedly complete last one deck individual layer corrugated body, is in the end installed panel (2) on one deck individual layer corrugated body; On top panel (2), offer the corresponding screwed hole of screwed hole (1) on the platform (61) of some and last one deck individual layer corrugated body, some bolts (3), through the upper corresponding screwed hole of platform (61) of top panel (2) and last one deck individual layer corrugated body, are fixed top panel (2) and platform (61) screw thread of some band platform core bodys (6) of last one deck individual layer corrugated body.
9. the preparation method of the metal corrugated plate of a kind of large span according to claim 8, thick panel, it is characterized in that, the bearing of trend of the band platform core body (6) of the individual layer corrugated body of adjacent layer is parallel, aligns with the platform of lower floor's band platform core body (6) in the interval between epipelagic zone platform core body (6); The bolt junction of adjacent monolayer corrugated body is positioned at the outside of the band platform core body (6) of upper strata individual layer corrugated body, and bolt is fixedly connected with the platform of lower floor's band platform core body (6) through the interval between epipelagic zone platform core body (6).
10. the preparation method of the metal corrugated plate of a kind of large span according to claim 8, thick panel, is characterized in that, the bearing of trend of the band platform core body (6) of the individual layer corrugated body of adjacent layer is vertical; The bolt junction of adjacent monolayer corrugated body is positioned at the outside of the band platform core body (6) of upper strata individual layer corrugated body, and bolt is with the platform of platform core body (6) to being fixedly connected with through the interval between epipelagic zone platform core body (6) with lower floor.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106927020A (en) * | 2017-03-24 | 2017-07-07 | 沈阳航空航天大学 | A kind of parallel/intersection staggered ripple sandwich integration thermal protection panel |
| CN107035958A (en) * | 2016-10-24 | 2017-08-11 | 深圳先进技术研究院 | Porous metal material and its application |
| CN111993718A (en) * | 2020-07-14 | 2020-11-27 | 清华大学苏州汽车研究院（相城） | Composite sandwich board |
| CN113148108A (en) * | 2021-06-02 | 2021-07-23 | 中南大学 | Double-layer corrugated sandwich heat-insulation/bearing integrated heat protection structure |
| CN113978047A (en) * | 2021-11-11 | 2022-01-28 | 燕山大学 | Corrugated sandwich resin-based carbon fiber metal laminate and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87213320U (en) * | 1987-09-10 | 1988-03-30 | 吉林工业大学 | Composite plate with high-rigidity structure |
| US20070251350A1 (en) * | 2006-04-29 | 2007-11-01 | Bryan Henry H Iii | High Temperature and Vibration Joint Closure Composition and Method of Application |
| CN102767993A (en) * | 2012-08-01 | 2012-11-07 | 西安交通大学 | Lightweight corrugated ceramic composite structural armor plate and its fabrication method |
| CN102765227A (en) * | 2012-08-01 | 2012-11-07 | 西安交通大学 | Corrugated-honeycombed composite sandwich material in porous structure and method for preparing same |
-
2014
- 2014-07-29 CN CN201410366442.8A patent/CN104129110B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87213320U (en) * | 1987-09-10 | 1988-03-30 | 吉林工业大学 | Composite plate with high-rigidity structure |
| US20070251350A1 (en) * | 2006-04-29 | 2007-11-01 | Bryan Henry H Iii | High Temperature and Vibration Joint Closure Composition and Method of Application |
| CN102767993A (en) * | 2012-08-01 | 2012-11-07 | 西安交通大学 | Lightweight corrugated ceramic composite structural armor plate and its fabrication method |
| CN102765227A (en) * | 2012-08-01 | 2012-11-07 | 西安交通大学 | Corrugated-honeycombed composite sandwich material in porous structure and method for preparing same |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035958A (en) * | 2016-10-24 | 2017-08-11 | 深圳先进技术研究院 | Porous metal material and its application |
| CN107035958B (en) * | 2016-10-24 | 2019-05-07 | 深圳先进技术研究院 | Porous metal material and its application |
| CN106927020A (en) * | 2017-03-24 | 2017-07-07 | 沈阳航空航天大学 | A kind of parallel/intersection staggered ripple sandwich integration thermal protection panel |
| CN106927020B (en) * | 2017-03-24 | 2023-10-03 | 沈阳航空航天大学 | Parallel/cross staggered corrugated sandwich integrated heat protection panel |
| CN111993718A (en) * | 2020-07-14 | 2020-11-27 | 清华大学苏州汽车研究院（相城） | Composite sandwich board |
| CN113148108A (en) * | 2021-06-02 | 2021-07-23 | 中南大学 | Double-layer corrugated sandwich heat-insulation/bearing integrated heat protection structure |
| CN113978047A (en) * | 2021-11-11 | 2022-01-28 | 燕山大学 | Corrugated sandwich resin-based carbon fiber metal laminate and preparation method thereof |
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| CN104129110B (en) | 2016-01-13 |
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Effective date of registration: 20180928 Address after: 215500 Ding Shan village, Yushan Industrial Park, Changshou City, Jiangsu Patentee after: CHANGSHU ELECTRONIC INSTRUMENT FACTORY Address before: 710049 Xianning West Road, Xi'an, Xi'an, Shaanxi Patentee before: Xi'an Jiaotong University |