CN106346793A - Assembling mechanism for rapidly butt-jointing carbon fiber foam sandwich composite material beams - Google Patents
Assembling mechanism for rapidly butt-jointing carbon fiber foam sandwich composite material beams Download PDFInfo
- Publication number
- CN106346793A CN106346793A CN201610912847.6A CN201610912847A CN106346793A CN 106346793 A CN106346793 A CN 106346793A CN 201610912847 A CN201610912847 A CN 201610912847A CN 106346793 A CN106346793 A CN 106346793A
- Authority
- CN
- China
- Prior art keywords
- composite material
- carbon fiber
- hold
- foam core
- 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.)
- Granted
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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 invention relates to an assembling mechanism for rapidly butt-jointing carbon fiber foam sandwich composite material beams. The assembling mechanism comprises at least two carbon fiber foam sandwich composite material beams, a compression mechanism and a positioning bolt, wherein the compression mechanism is used for compressing each carbon fiber foam sandwich composite material beam, a supporting structure member is arranged inside the carbon fiber foam sandwich composite material beam, a first through hole is formed in the axis of the supporting structure member, the compression mechanism penetrates through the first through hole and is in tolerance fit with the supporting structure member, positioning bosses for limiting the carbon fiber foam sandwich composite material beams are arranged on the two sides of the compression mechanisms, and the positioning bolt penetrates through the axis of the at least two compression mechanisms and is in threaded fit with the compression mechanisms. The device only needs to embed simple supporting structure members, the forming technology is simple, and the manufacturing is easily realized; and the random adjustment on the height of the positioning bosses of the compression mechanisms can be realized through adjusting washers, and thus the technical difficulty that the composite material beams are difficult to change once being formed can be solved.
Description
Technical field
The present invention relates to microwave mechanical engineering technical field, especially one kind are 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 requirement of harshness to the design of radar electric structural member, and light-weight design becomes this kind of platform radar structure and sets
Count eternal theme, composite is extensively applied in the radar arrangement of such platform, and composite material beam becomes this kind of radar sky
The primary load bearing structure form of knot component.Composite has the characteristics that, light weight higher than stiffness, but in actual radar
There is also inconvenience in the application of electric mechanical domain engineering, be mainly manifested in complex forming technology, one-shot forming is subsequently changed
Difficulty, the installation splicing between composite is difficult, and positioning each other is not easy.
For large-sized carbon fiber antenna, mainly adopt carbon fiber foam core filled composite material beam at present 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 generally assembled by several pieces, and the required precision of antenna pair front is higher, so to assembled positioning accurate
Degree proposes rigors, and carbon fibre composite beam is difficult to accomplish very due to the restriction of moulding process, large-area flatness
Height, if directly assembled docking can cause torsional deformation between composite material beam, directly affects the integral face precision of antenna.So
How to solve the docking between beam, positioning, assembly become one key of composite Antenna Design.
Content of the invention
It is an object of the invention to provide it is a kind of rapid abutting joint realized between carbon fiber foam core filled composite material beam, fixed
Position and assembled, improve the mutually spliced stress ability to bear of composite material beam for carbon fiber foam core filled composite material beam
The assembled mechanism of rapid abutting joint.
For achieving the above object, present invention employs technical scheme below: one kind is used for carbon fiber foam core composite wood
The assembled mechanism of material beam rapid abutting joint, including at least two carbon fiber foam core filled composite material beams, is used for each carbon fiber
The hold-down mechanism of foam core filled composite material beam compression and bolt, set inside described carbon fiber foam core filled composite material beam
Put supporting structure, at the axle center of supporting structure, open up first through hole, hold-down mechanism in first through hole pass through and with support
Tolerance fit between structural member, the both sides of hold-down mechanism are provided for carbon fiber foam core filled composite material beam is carried out spacing
Positioning boss, bolt at the axle center of at least two hold-down mechanisms through and and hold-down mechanism screw thread cooperation.
Described carbon fiber foam core filled composite material beam is by foam core, the support that is embedded in foam core center position
Structural member and the composite material skin being wrapped in outside foam core form.
Described hold-down mechanism includes left hold-down mechanism and right hold-down mechanism, and described positioning boss includes left positioning boss and the right side
Positioning boss, arranges adjusting gasket, described positioning spiral shell between described right positioning boss and carbon fiber foam core filled composite material beam
The head of bolt opens up flat recess, and its tail end is processed the first external screw thread, and described bolt passes through spring shim and plain cushion is installed
On hold-down mechanism.
One end of described left hold-down mechanism arranges left positioning boss, and the axle center of left hold-down mechanism is near the position of left positioning boss
The place of putting opens up the first internal thread hole for matching, the first internal thread hole with the first external screw thread of processing on bolt tail end
Extend to the right the second internal thread hole opening up for matching with the second external screw thread of processing on right hold-down mechanism, in described second
The aperture of screwed hole is more than the aperture of the first internal thread hole.
One end of described right hold-down mechanism arranges right positioning boss, the other end is processed for left hold-down mechanism on open up
The second external screw thread of matching of the second internal thread hole, open up at the axle center of right hold-down mechanism for pass through for bolt
Two through holes, and the second through hole is unthreaded hole.
As shown from the above technical solution, it is an advantage of the current invention that: first, this device is in carbon fiber foam core composite wood
It is only necessary to pre-buried simple supporting structure during material beam molding, moulding process simply, realization easy to manufacture；Second, compression
The height of mechanism's positioning boss can be realized arbitrarily adjusting by adjust pad, once solve composite material beam molding to be difficult to change
Dynamic technical barrier, is simultaneously achieved the antenna array precision adjustment with composite material beam for bearing structure form；3rd, compression
Mechanism passes through the bolt of termination and nut can firmly be pressed on supporting structure and composite material skin, realizes compression
Mechanism's stress effectively transmits, and reduces the stress concentration level at composite material beam eyelid covering opening；4th, assembled mechanism adopts one
Bodyization designs, and integrates multi-functional, realizes composite material beam positioning, docking, compression lock function, and compact conformation realizes letter
Single；5th, assembled mechanism adopts ergonomic design, and composite material beam is realized free-hand to complete all assemblings during assembled docking
Work, and installation time is about 1.5min.
Brief description
Fig. 1 is the structural representation of the embodiment of the present invention one；
Fig. 2,3,4 are respectively carbon fiber foam core filled composite material beam, left hold-down mechanism, the structure of right hold-down mechanism in the present invention
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 representation of bolt in the present invention.
Specific embodiment
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 compressions for compressing each carbon fiber foam core filled composite material beam 10
Mechanism and bolt 40, described carbon fiber foam core filled composite material beam 10 is internal to arrange supporting structure 12, supporting construction
Open up first through hole 14 at the axle center of part 12, hold-down mechanism in first through hole 14 through and and supporting structure 12 tolerance
Cooperation, the both sides of hold-down mechanism are provided for carrying out spacing positioning boss to carbon fiber foam core filled composite material beam 10, fixed
Position bolt 40 at the axle center of at least two hold-down mechanisms pass through and and hold-down mechanism screw thread coordinate.
Described hold-down mechanism includes left hold-down mechanism 20 and right hold-down mechanism 30, and described positioning boss includes left positioning boss
21 and right positioning boss 31, adjusting gasket is set between described right positioning boss 31 and carbon fiber foam core filled composite material beam 10
50.As shown in fig. 7, the head of described bolt 40 opens up flat recess, its tail end is processed the first external screw thread 41, described positioning
Bolt 40 passes through spring shim 60 and plain cushion 70 is arranged on hold-down mechanism.Carbon fiber foam core filled composite material beam 10 is being installed
The height of positioning boss can be adjusted according to being actually needed of installing by the thickness of adjusting gasket 50 and quantity during hold-down mechanism,
Meet the needs of practical set.
As shown in Fig. 2 described 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 being wrapped in outside foam core 11 form, and three passes through
Autoclave and guarantor's type frock one-step solidification moulding, the first through hole 14 of supporting structure 12 can pass through frock after curing molding
Carry out joining and beat.
As shown in Fig. 3,5, one end of described left hold-down mechanism 20 arranges left positioning boss 21, the axle center of left hold-down mechanism 20
Open up at the position of left positioning boss 21 for matching with the first external screw thread 41 of processing on bolt 40 tail end
First internal thread hole 22, the first internal thread hole 22 extends to the right the second external screw thread opening up for processing on right hold-down mechanism 30
32 the second internal thread holes 23 matching, the aperture of described second internal thread hole 23 is more than the aperture of the first internal thread hole 22.For
Prevent getting loose of hold-down mechanism, need to be threaded fastening glue in compaction process.
As shown in Fig. 4,6, one end of described right hold-down mechanism 30 arranges right positioning boss 31, the other end is processed for
The second external screw thread 32 that the second internal thread hole 23 opening up on left hold-down mechanism 20 matches, opens at the axle center of right hold-down mechanism 30
If for the second through hole 33 passing through for bolt 40, and the second through hole 33 is unthreaded hole.For preventing getting loose of hold-down mechanism,
Need in compaction process to be threaded fastening glue.
Below in conjunction with Fig. 1 to 6, the present invention is further illustrated.
Embodiment one
As shown in figure 1, being illustrated with completing the splicing to two carbon fiber foam core filled composite material beams 10, in docking,
First, the left and right two ends of first carbon fibrous foam core filled composite material beam 10 are respectively mounted upper left hold-down mechanism 20 and right pressure
Tight mechanism 30, then the left and right two ends of second carbon fiber foam core filled composite material beam 10 are respectively mounted upper left hold-down mechanism 20
With right hold-down mechanism 30, finally by bolt 40 from the left hold-down mechanism of two carbon fiber foam core filled composite material beams 10 and
The center of right hold-down mechanism passes through, and tightens, and completes to install.
In the concrete left/right hold-down mechanism installing first carbon fibrous foam core filled composite material beam 10, first, by a left side
Hold-down mechanism 20 be aligned first through hole 14 is arranged on carbon fiber foam core filled composite material beam 10, then will be right for right hold-down mechanism 30
Quasi- first through hole 14 is screwed in left hold-down mechanism 20, that is, complete the installation of left/right hold-down mechanism.
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, reduces the stress concentration level at composite material skin 13 built-in fitting opening, improves composite wood
The material mutually spliced stress ability to bear of beam.
The carbon fiber foam core filled composite material beam 10 of splicing positioning can be realized by hold-down mechanism and adjusting gasket 50
The adjustment of positioning boss height, realizes composite material beam positioning, the compatibility design of splicing.
Bolt 40 adopt ergonomic design method, can free-hand assemble, simultaneously bolt 40 collect multi-functional in
All over the body, the needs of positioning and the needs meeting fastening locking had both been met.
The present invention adopts the docking of standard universal, positioning, the design of locking mechanism, realizes carbon fiber foam core composite wood
Rapid abutting joint between material beam 10, positioning and assembly.By pre-buried inner support in carbon fiber foam core filled composite material beam 10
The positioning boss on both sides, using the version of hold-down mechanism external compression, is directly alignd when docking is assembled, passes through by structural member 14
Positioning, compression and the locking of two carbon fiber foam core filled composite material beams 10 realized by bolt 40, simple and convenient.This
The assembled mechanism of docking is in carbon fiber foam core filled composite material beam 10 molding it is only necessary to pre-buried simple supporting structure 12
Can, moulding process is simple, realization easy to manufacture, and positioning boss highly can be realized arbitrarily adjusting by adjust pad 50, solves
Once carbon fiber foam core filled composite material beam 10 molding is difficult the technical barrier changed, hold-down mechanism passes through threaded pre-tightening power
Can firmly be pressed in pre-buried supporting structure 12 and composite material skin 13, realize hold-down mechanism stress and effectively transmit, fall
Stress concentration level at low composite material beam eyelid covering 13 opening.Whole splicing body adopts integrated design method, and collection is many
Function, is realized carbon fiber foam core filled composite material beam 10 and is positioned, docks, compressing lock function, compact conformation is simple
Free-hand can complete all assembly works.
Claims (5)
1. a kind of assembled mechanism for carbon fiber foam core filled composite material beam rapid abutting joint it is characterised in that: include at least
Two carbon fibers foam core filled composite material beam (10), for what each carbon fiber foam core filled composite material beam (10) was compressed
Hold-down mechanism and bolt (40), setting supporting structure inside described carbon fiber foam core filled composite material beam (10)
(12), open up first through hole (14) at the axle center of supporting structure (12), hold-down mechanism in first through hole (14) pass through and with
Tolerance fit between supporting structure (12), the both sides of hold-down mechanism are provided for carbon fiber foam core filled composite material beam
(10) carry out spacing positioning boss, bolt (40) passes through and and hold-down mechanism at the axle center of at least two hold-down mechanisms
Between screw thread cooperation.
2. the assembled mechanism for carbon fiber foam core filled composite material beam rapid abutting joint according to claim 1, it is special
Levy and be: described carbon fiber foam core filled composite material beam (10) by foam core (11), be embedded in foam core (11) center
Supporting structure (12) at position and the composite material skin (13) being wrapped in outside foam core (11) form.
3. the assembled mechanism for carbon fiber foam core filled composite material beam rapid abutting joint according to claim 1, it is special
Levy and be: described hold-down mechanism includes left hold-down mechanism (20) and right hold-down mechanism (30), described positioning boss includes left positioning
Boss (21) and right positioning boss (31), between described right positioning boss (31) and carbon fiber foam core filled composite material beam (10)
Setting adjusting gasket (50), the head of described bolt (40) opens up flat recess, its tail end is processed the first external screw thread (41),
Described bolt (40) passes through spring shim (60) and plain cushion (70) is arranged on hold-down mechanism.
4. the assembled mechanism for carbon fiber foam core filled composite material beam rapid abutting joint according to claim 3, it is special
Levy and be: one end of described left hold-down mechanism (20) arranges left positioning boss (21), and the axle center of left hold-down mechanism (20) is near left
Open up at the position of positioning boss (21) for matching with first external screw thread (41) of processing on bolt (40) tail end
First internal thread hole (22), the first internal thread hole (22) extends to the right second opening up for processing upper with right hold-down mechanism (30)
The second internal thread hole (23) that external screw thread (32) matches, the aperture of described second internal thread hole (23) is more than the first internal thread hole
(22) aperture.
5. the assembled mechanism for carbon fiber foam core filled composite material beam rapid abutting joint according to claim 3, it is special
Levy and be: one end of described right hold-down mechanism (30) arranges right positioning boss (31), the other end is processed for left compacting machine
The second external screw thread (32) that the second internal thread hole (23) opening up on structure (20) matches, opens at the axle center of right hold-down mechanism (30)
If for the second through hole (33) passing through for bolt (40), and the second through hole (33) is 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 true CN106346793A (en) | 2017-01-25 |
| CN106346793B CN106346793B (en) | 2018-09-18 |
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Family Applications (1)
| 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106346793B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109411869A (en) * | 2018-10-30 | 2019-03-01 | 哈尔滨工业大学 | A kind of radar antenna docking interlock 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4817264A (en) * | 1987-08-10 | 1989-04-04 | Shur-Lok Corporation | Fastener and assembly process |
| 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 |
| CN101395058A (en) * | 2006-03-22 | 2009-03-25 | 空中客车德国有限公司 | Bolted joint |
| JP2014094484A (en) * | 2012-11-08 | 2014-05-22 | Kobe Steel Ltd | Structure of foamed resin-laminated metal plates |
| US20150086267A1 (en) * | 2012-04-24 | 2015-03-26 | Skf Aerospace France | Reinforcement device for improving the behavior of at least a portion of a composite part |
| DE102013021396B3 (en) * | 2013-12-14 | 2015-04-02 | Audi Ag | Vehicle component with a multi-layer structure |
-
2016
- 2016-10-20 CN CN201610912847.6A patent/CN106346793B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4817264A (en) * | 1987-08-10 | 1989-04-04 | Shur-Lok Corporation | Fastener and assembly process |
| CN101395058A (en) * | 2006-03-22 | 2009-03-25 | 空中客车德国有限公司 | Bolted joint |
| 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 |
| US20150086267A1 (en) * | 2012-04-24 | 2015-03-26 | Skf Aerospace France | Reinforcement device for improving the behavior of at least a portion of a composite part |
| 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109411869A (en) * | 2018-10-30 | 2019-03-01 | 哈尔滨工业大学 | A kind of radar antenna docking interlock and method |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN106346793B (en) | 2018-09-18 |
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