CN106346793B - A kind of assembled mechanism for carbon fiber foam core filled composite material beam rapid abutting joint - Google Patents
A kind of assembled mechanism for carbon fiber foam core filled composite material beam rapid abutting joint Download PDFInfo
- Publication number
- CN106346793B CN106346793B CN201610912847.6A CN201610912847A CN106346793B CN 106346793 B CN106346793 B CN 106346793B CN 201610912847 A CN201610912847 A CN 201610912847A CN 106346793 B CN106346793 B CN 106346793B
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- CN
- China
- Prior art keywords
- composite material
- hold
- foam core
- carbon fiber
- down mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
- B29C65/562—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits using extra joining elements, i.e. which are not integral with the parts to be joined
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/114—Single butt joints
- B29C66/1142—Single butt to butt joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/721—Fibre-reinforced materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0087—Apparatus or processes specially adapted for manufacturing antenna arrays
Abstract
The present invention relates to a kind of assembled mechanisms for carbon fiber foam core filled composite material beam rapid abutting joint, including at least two carbon fiber foam core filled composite material beams, hold-down mechanism and positioning bolt for compressing each carbon fiber foam core filled composite material beam, supporting structure is set inside the carbon fiber foam core filled composite material beam, first through hole is opened up at the axle center of supporting structure, hold-down mechanism is out of first through hole across and with tolerance fit supporting structure, the positioning convex platform for being limited to carbon fiber foam core filled composite material beam is arranged in the both sides of hold-down mechanism, positioning bolt is from the axle center of at least two hold-down mechanisms across and with screw-thread fit hold-down mechanism.The present apparatus only needs pre-buried simple supporting structure, and moulding process is simple, and manufacture is easy to implement；The height of hold-down mechanism positioning convex platform can realize by adjusting gasket and arbitrarily adjust solve composite material beam once being molded the technical barrier for being not easy to change.
Description
Technical field
The present invention relates to microwave mechanical engineering technical fields, especially a kind of to be used for carbon fiber foam core filled composite material beam
The assembled mechanism of rapid abutting joint.
Background technology
With the deep development of radar electric technology, the platform of application is also more and more extensive, airborne, spaceborne, aerostatics etc.
Platform is proposed the design of radar electric structural member harsh requirement, and light-weight design sets as this kind of platform radar structure
Eternal theme, composite material extensive use in the radar arrangement of such platform are counted, composite material beam becomes this kind of radar day
The primary load bearing structure form of knot component.Composite material has the characteristics that, light weight higher than stiffness, but in practical radar
There is also inconveniences in the application of electric mechanical domain engineering, are mainly manifested in complex forming technology, one-pass molding is subsequently changed
Difficulty, the installation splicing between composite material is difficult, and mutual positioning is not easy.
For large-sized carbon fiber antenna, at present mainly using carbon fiber foam core filled composite material beam as primary load bearing
Structure, Pinch technology that is assembled and being connected to become large-size carbon fiber Antenna Design between the main force support structure of piecemeal antenna.Greatly
Size carbon fiber antenna is usually assembled by several pieces, and antenna is higher to the required precision of front, so to assembled positioning accurate
Degree proposes rigors, and for carbon fibre composite beam due to the limitation of moulding process, the flatness of large area is difficult to accomplish very
Height directly affects the integral face precision of antenna if directly assembled docking can cause torsional deformation between composite material beam.So
How to solve docking between beam, positioning, assembled become one core key of composite material Antenna Design.
Invention content
The purpose of the present invention is to provide a kind of rapid abutting joint realized between carbon fiber foam core filled composite material beam, determine
Position and assembly, that improves the mutually spliced stress ability to bear of composite material beam is used for carbon fiber foam core filled composite material beam
The assembled mechanism of rapid abutting joint.
To achieve the above object, present invention employs following technical schemes：One kind being used for carbon fiber foam core composite wood
Expect the assembled mechanism of beam rapid abutting joint, including at least two carbon fiber foam core filled composite material beams, for by each carbon fiber
The hold-down mechanism and positioning bolt that foam core filled composite material beam compresses are set inside the carbon fiber foam core filled composite material beam
Set supporting structure, open up first through hole at the axle center of supporting structure, hold-down mechanism passed through out of first through hole and with support
Tolerance fit between structural member, the both sides setting of hold-down mechanism is for limiting carbon fiber foam core filled composite material beam
Positioning convex platform, positioning bolt is from the axle center of at least two hold-down mechanisms across and with screw-thread fit hold-down mechanism.
The carbon fiber foam core filled composite material beam by foam core, be embedded in the support of foam core center position
Structural member and the composite material skin composition being wrapped on the outside of foam core.
The hold-down mechanism includes left hold-down mechanism and right hold-down mechanism, and the positioning convex platform includes left positioning convex platform and the right side
Adjusting gasket, the positioning spiral shell is arranged in positioning convex platform between the right positioning convex platform and carbon fiber foam core filled composite material beam
The head of bolt opens up flat recess, and the first external screw thread is processed on tail end, and the positioning bolt is installed by spring shim and plain cushion
On hold-down mechanism.
Left positioning convex platform is arranged in one end of the left hold-down mechanism, and the axle center of left hold-down mechanism is close to the position of left positioning convex platform
The place of setting open up for matched first internal thread hole of the first external screw thread processed on positioning bolt tail end, the first internal thread hole
Extend to the right open up for matched second internal thread hole of the second external screw thread processed on right hold-down mechanism, in described second
The aperture of threaded hole is more than the aperture of the first internal thread hole.
Right positioning convex platform is arranged in one end of the right hold-down mechanism, and processing on left hold-down mechanism for opening up on the other end
Matched second external screw thread of the second internal thread hole, open up at the axle center of right hold-down mechanism for for positioning bolt by
Two through-holes, and the second through-hole is unthreaded hole.
As shown from the above technical solution, the advantage of the invention is that：First, the present apparatus is in carbon fiber foam core composite wood
When expecting beam molding, it is only necessary to which pre-buried simple supporting structure, moulding process is simple, and manufacture is easy to implement；Second, it compresses
The height of mechanism positioning convex platform can be realized by adjusting gasket and arbitrarily be adjusted, and solved composite material beam and be not easy to change once being molded
Dynamic technical barrier, while realizing and being adjusted by the antenna array precision of bearing structure form of composite material beam；Third compresses
Mechanism can be firmly pressed on supporting structure and composite material skin by the positioning bolt and nut of end, is realized and is compressed
Mechanism stress effectively transmits, and the stress concentration for reducing composite material beam covering opening is horizontal；4th, assembled mechanism uses one
Bodyization designs, and integrates multi-functional, realizes composite material beam positioning, docking, compresses lock function, compact-sized realization letter
It is single；5th, assembled mechanism uses ergonomic design, composite material beam that can manually complete all assembly when realizing assembled docking
Work, and assembly time is about 1.5min.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the present invention one；
Fig. 2,3,4 are respectively carbon fiber foam core filled composite material beam in the present invention, left hold-down mechanism, right hold-down mechanism
Structural schematic diagram；
Fig. 5 is the sectional view of Fig. 3；
Fig. 6 is the sectional view of Fig. 4；
Fig. 7 is the structural schematic diagram of positioning bolt in the present invention.
Specific implementation mode
As shown in Figure 1, a kind of assembled mechanism for carbon fiber foam core filled composite material beam rapid abutting joint, including at least
Two carbon fiber foam core filled composite material beams 10, the compression for compressing each carbon fiber foam core filled composite material beam 10
Supporting structure 12, support construction is arranged in mechanism and positioning bolt 40,10 inside of the carbon fiber foam core filled composite material beam
Open up first through hole 14 at the axle center of part 12, hold-down mechanism is out of first through hole 14 across and with tolerance supporting structure 12
The positioning convex platform for being limited to carbon fiber foam core filled composite material beam 10 is arranged in cooperation, the both sides of hold-down mechanism, fixed
Position bolt 40 is from the axle center of at least two hold-down mechanisms across and with screw-thread fit hold-down mechanism.
The hold-down mechanism includes left hold-down mechanism 20 and right hold-down mechanism 30, and the positioning convex platform includes left positioning convex platform
21 and right positioning convex platform 31, adjusting gasket is set between the right positioning convex platform 31 and carbon fiber foam core filled composite material beam 10
50.As shown in fig. 7, the head of the positioning bolt 40 opens up flat recess, the first external screw thread 41, the positioning are processed on tail end
Bolt 40 is mounted on by spring shim 60 and plain cushion 70 on hold-down mechanism.Carbon fiber foam core filled composite material beam 10 is being installed
The height of positioning convex platform can be adjusted by the thickness and quantity of adjusting gasket 50 according to the actual needs of installation when hold-down mechanism,
Meet the needs of practical set.
As shown in Fig. 2, the carbon fiber foam core filled composite material beam 10 by foam core 11, be embedded in foam core 11
The supporting structure 12 of center position and the composite material skin 13 for being wrapped in 11 outside of foam core form, and three passes through
Autoclave and guarantor's type tooling one-step solidification moulding, the first through hole 14 of supporting structure 12 can pass through tooling after curing molding
Match and beats.
As shown in Fig. 3,5, left positioning convex platform 21, the axle center of left hold-down mechanism 20 is arranged in one end of the left hold-down mechanism 20
It is opened up at the position of left positioning convex platform 21 for matched with the first external screw thread 41 for being processed on 40 tail end of positioning bolt
First internal thread hole 22, the first internal thread hole 22 extend to the right open up for the second external screw thread for being processed on right hold-down mechanism 30
32 matched second internal thread holes 23, the aperture of second internal thread hole 23 are more than the aperture of the first internal thread hole 22.For
Loosening for hold-down mechanism is prevented, needs to be threaded fastening glue in compaction process.
As shown in Fig. 4,6, one end of the right hold-down mechanism 30 is arranged right positioning convex platform 31, on the other end processing for
23 matched second external screw thread 32 of the second internal thread hole opened up on left hold-down mechanism 20 is opened at the axle center of right hold-down mechanism 30
If for for positioning bolt 40 by the second through-hole 33, and the second through-hole 33 be unthreaded hole.To prevent loosening for hold-down mechanism,
It needs to be threaded fastening glue in compaction process.
Below in conjunction with Fig. 1 to 6, the present invention is further illustrated.
Embodiment one
As shown in Figure 1, to complete the splicing to two carbon fiber foam core filled composite material beams 10 for example, docking
When, first, 20 He of left hold-down mechanism is installed into the left and right ends of first carbon fibrous foam core filled composite material beam 10 respectively
Right hold-down mechanism 30, then left compacting machine is installed into the left and right ends of second carbon fiber foam core filled composite material beam 10 respectively
Structure 20 and right hold-down mechanism 30, finally by positioning bolt 40 from the left compacting machine of two carbon fiber foam core filled composite material beams 10
It passes through, tightens at the center of structure and right hold-down mechanism, complete installation.
It, first, will be left in the specifically left/right hold-down mechanism of installation first carbon fibrous foam core filled composite material beam 10
Hold-down mechanism 20 is directed at first through hole 14 and is mounted on carbon fiber foam core filled composite material beam 10, then right hold-down mechanism 30 is right
Quasi- first through hole 14 is screwed into left hold-down mechanism 20, that is, completes the installation of left/right hold-down mechanism.
It is realized carbon fiber foam core filled composite material beam by supporting structure 12 and hold-down mechanism and adjusting gasket 50
The stress of 10 assembled docking is effectively passed in composite material skin 13, solves the assembled mechanism of docking, pre-buried supporting structure
12 stress transfer problem, the stress concentration for reducing 13 built-in fitting opening of composite material skin is horizontal, improves composite wood
Expect the mutually spliced stress ability to bear of beam.
Splicing the carbon fiber foam core filled composite material beam 10 of positioning can be realized by hold-down mechanism and adjusting gasket 50
The compatibility design of composite material beam positioning, splicing is realized in the adjustment of positioning convex platform height.
Positioning bolt 40 use ergonomic design method, can manually assemble, at the same positioning bolt 40 collect it is multi-functional in
All over the body, the needs of positioning needed or meet fastening locking had both been met.
The present invention uses docking, positioning, the design of locking mechanism of standard universal, realizes carbon fiber foam core composite wood
Expect rapid abutting joint, positioning and the assembly between beam 10.Pass through the pre-buried inner support in carbon fiber foam core filled composite material beam 10
The positioning convex platform on both sides is directly aligned when docking is assembled, is passed through using the structure type of hold-down mechanism external compression by structural member 14
Positioning bolt 40 realizes positioning, compression and the locking of two carbon fiber foam core filled composite material beams 10, simple and convenient.This
The assembled mechanism of docking is when carbon fiber foam core filled composite material beam 10 is molded, it is only necessary to which pre-buried simple supporting structure 12 is
Can, moulding process is simple, and manufacture is easy to implement, and positioning convex platform height can realize random adjusting by adjusting gasket 50, solves
Once being molded the technical barrier for being not easy to change, hold-down mechanism passes through threaded pre-tightening power for carbon fiber foam core filled composite material beam 10
It can firmly be pressed on pre-buried supporting structure 12 and composite material skin 13, realize that hold-down mechanism stress effectively transmits, drop
The stress concentration of low 13 opening of composite material beam covering is horizontal.Entire splicing body uses integrated design method, collection more
Function, realizes that carbon fiber foam core filled composite material beam 10 positions, docking, compresses lock function, compact-sized simple
All assembly works can manually be completed.
Claims (4)
1. a kind of assembled mechanism for carbon fiber foam core filled composite material beam rapid abutting joint, it is characterised in that：Including at least
Two carbon fiber foam core filled composite material beams（10）, for by each carbon fiber foam core filled composite material beam（10）It compresses
Hold-down mechanism and positioning bolt（40）, the carbon fiber foam core filled composite material beam（10）Inside setting supporting structure
（12）, supporting structure（12）Axle center at open up first through hole（14）, hold-down mechanism is from first through hole（14）Inside pass through and with
Supporting structure（12）Between tolerance fit, the both sides of hold-down mechanism are arranged for carbon fiber foam core filled composite material beam
（10）The positioning convex platform limited, positioning bolt（40）It is passed through from the axle center of at least two hold-down mechanisms and and hold-down mechanism
Between screw-thread fit；
The hold-down mechanism includes left hold-down mechanism（20）With right hold-down mechanism（30）, the positioning convex platform includes left positioning convex platform
（21）With right positioning convex platform（31）, the right positioning convex platform（31）With carbon fiber foam core filled composite material beam（10）Between be arranged
Adjusting gasket（50）, the positioning bolt（40）Head open up flat recess, the first external screw thread is processed on tail end（41）, described
Positioning bolt（40）Pass through spring shim（60）And plain cushion（70）On hold-down mechanism.
2. the assembled mechanism according to claim 1 for carbon fiber foam core filled composite material beam rapid abutting joint, special
Sign is：The carbon fiber foam core filled composite material beam（10）By foam core（11）, be embedded in foam core（11）Center
Supporting structure at position（12）And it is wrapped in foam core（11）The composite material skin in outside（13）Composition.
3. the assembled mechanism according to claim 1 for carbon fiber foam core filled composite material beam rapid abutting joint, special
Sign is：The left hold-down mechanism（20）One end left positioning convex platform is set（21）, left hold-down mechanism（20）Axle center close to left
Positioning convex platform（21）Position at open up and be used for and positioning bolt（40）The first external screw thread processed on tail end（41）It is matched
First internal thread hole（22）, the first internal thread hole（22）To the right extend open up for right hold-down mechanism（30）The second of upper processing
External screw thread（32）Matched second internal thread hole（23）, second internal thread hole（23）Aperture be more than the first internal thread hole
（22）Aperture.
4. the assembled mechanism according to claim 1 for carbon fiber foam core filled composite material beam rapid abutting joint, special
Sign is：The right hold-down mechanism（30）One end right positioning convex platform is set（31）, on the other end processing for left compacting machine
Structure（20）On the second internal thread hole for opening up（23）Matched second external screw thread（32）, right hold-down mechanism（30）Axle center at open
If for for positioning bolt（40）By the second through-hole（33）, and the second through-hole（33）For unthreaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610912847.6A CN106346793B (en) | 2016-10-20 | 2016-10-20 | A kind of assembled mechanism for carbon fiber foam core filled composite material beam rapid abutting joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610912847.6A CN106346793B (en) | 2016-10-20 | 2016-10-20 | A kind of assembled mechanism for carbon fiber foam core filled composite material beam rapid abutting joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106346793A CN106346793A (en) | 2017-01-25 |
| CN106346793B true CN106346793B (en) | 2018-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610912847.6A Active CN106346793B (en) | 2016-10-20 | 2016-10-20 | A kind of assembled mechanism for carbon fiber foam core filled composite material beam rapid abutting joint |
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| CN (1) | CN106346793B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109411869B (en) * | 2018-10-30 | 2020-05-26 | 哈尔滨工业大学 | Radar antenna butt-joint interlocking device and method |
| CN110802668A (en) * | 2019-09-27 | 2020-02-18 | 江苏亨睿碳纤维科技有限公司 | Foam sandwich composite material part with internal thread positioning metal insert and manufacturing method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4817264A (en) * | 1987-08-10 | 1989-04-04 | Shur-Lok Corporation | Fastener and assembly process |
| DE102006013069B3 (en) * | 2006-03-22 | 2007-12-06 | Airbus Deutschland Gmbh | bolt connection |
| JP2008051224A (en) * | 2006-08-24 | 2008-03-06 | Nippon Steel Composite Co Ltd | Bolt attaching structure for composite panel, and vehicle having the bolt attaching structure |
| FR2989618A1 (en) * | 2012-04-24 | 2013-10-25 | Skf Aerospace France | REINFORCING DEVICE FOR IMPROVING THE BEHAVIOR OF AT LEAST ONE PART OF A COMPOSITE PIECE |
| JP2014094484A (en) * | 2012-11-08 | 2014-05-22 | Kobe Steel Ltd | Structure of foamed resin-laminated metal plates |
| DE102013021396B3 (en) * | 2013-12-14 | 2015-04-02 | Audi Ag | Vehicle component with a multi-layer structure |
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| CN106346793A (en) | 2017-01-25 |
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