CN109557633A - Carbon fiber support truss connecting joint of space optical remote sensor and support truss - Google Patents
Carbon fiber support truss connecting joint of space optical remote sensor and support truss Download PDFInfo
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- CN109557633A CN109557633A CN201811517591.4A CN201811517591A CN109557633A CN 109557633 A CN109557633 A CN 109557633A CN 201811517591 A CN201811517591 A CN 201811517591A CN 109557633 A CN109557633 A CN 109557633A
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- truss
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- bar
- jointing
- connecting lateral
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- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 32
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 32
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 230000003287 optical effect Effects 0.000 title claims abstract description 28
- 238000009434 installation Methods 0.000 claims description 26
- 239000002131 composite material Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- 244000273618 Sphenoclea zeylanica Species 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 229910001374 Invar Inorganic materials 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 208000016261 weight loss Diseases 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
- G02B7/183—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors specially adapted for very large mirrors, e.g. for astronomy, or solar concentrators
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Astronomy & Astrophysics (AREA)
- Sustainable Development (AREA)
- Optical Transform (AREA)
Abstract
The invention belongs to the technical field of space optical remote sensing, and relates to a carbon fiber support truss connecting joint and a support truss for a space optical remote sensor. The problem of connect comparatively complicated with the orientation of truss rod locating surface usually, form the dihedral angle with the assembly reference surface, the processing degree of difficulty is big, and is with high costs, stability is relatively poor is solved.
Description
Technical field
The invention belongs to space optical remote technical field, in particular to a kind of space optical remote sensor carbon fiber supports purlin
Frame.
Background technique
As high resolution space optical sensor gradually develops to heavy caliber, long-focus direction, to principal reflection mirror and time
Position of related features requirement is also more harsh between reflecting mirror, has been even up to micron dimension.This requires between primary and secondary mirror
The features such as support construction has light weight, and the rigidity of structure is big, and thermal stability is high, assembly easy to process.Particularly with several meters of magnitudes
Support device for, traditional integral frame-type structure is difficult to meet the demand simultaneously.
In recent years, widely applied space truss structure has biggish advantage for solving the above problems.But usual truss
Structure is in the following way: carbon fiber truss rod end sleeve is connected on metal (invar/titanium alloy) connector, is joined end to end, metal
Connector is connected by screw to again to braced frame.Above-mentioned settling mode has the disadvantage in that
1, truss connecting element mostly uses metalwork (invar or titanium alloy), is unfavorable for the loss of weight design of optical sensor.And
Truss size is bigger, and the connector quantity being related to is more, and connector weight specific gravity shared in truss is higher.
2, metal joint linear expansion coefficient is larger, is unfavorable for the raising of truss overall stability.
Also have and replace above-mentioned metal joint to mitigate the scheme of truss weight using integral type carbon fiber connector, but be suitable
The angle of each truss rod is answered, the direction typically more complexity of connector and truss rod positioning surface forms dihedral angle with assembling base plane,
Difficulty of processing is big, at high cost, and stability is poor.
Summary of the invention
The object of the present invention is to provide a kind of space optical remote sensor carbon fiber sub-truss jointing and carbon fiber branch
Truss is supportted, further increases the stiffness and strength of Truss Design, in orbital stability, weight reduction rate and process and assemble performance etc..
The technical solution of the invention is as follows provides a kind of space optical remote sensor carbon fiber sub-truss jointing,
It is characterized in that including reinforcer between bottom connecting plate, two double rod connecting lateral plates, two single pole connecting lateral plates and bar；
Two double rod connecting lateral plates are relatively fixed on bottom connecting plate, and two single pole connecting lateral plates are relatively fixed in bottom
On connecting plate, sub-truss bar installation space is formed, reinforcer is located in sub-truss bar installation space between bar, by sub-truss
Bar installation space is divided into the first installation space and the second installation space, the space shape of the first installation space and the second installation space
Shape is matched with sub-truss bar both ends shape to be fixed, when fixed sub-truss, the outer wall of sub-truss bar respectively with double rod
Reinforcer fits closely fixation between connecting lateral plate, single pole connecting lateral plate and bar.
Further, jointing is all made of carbon fibre composite, and carbon fiber has high specific stiffness, high specific strength, heat
The power thermal stability of whole truss is substantially improved in the advantages that stability is high.
Further, double rod connecting lateral plate and single pole connecting lateral plate all have flanging, are bonded in bottom connection by flanging
On plate；Reinforcer is V-type angle box between bar, former and later two faces are V-type, and the face of left and right two is rectangle.Each parts machining difficulty
Small, at low cost, precision easily guarantees.
The present invention also provides a kind of space optical remote sensor carbon fiber sub-trusses, including bottom support frame, sub-truss
Bar and top braces frame；
It is characterized in that
Further include the jointing being arranged on bottom support frame and top braces frame, is located at bottom support frame and top branch
The jointing of support frame is in interlaced arrangement on horizontal plane, and circumferential phase angle is uniformly distributed, and radial position is consistent；
Above-mentioned sub-truss bar is arranged between bottom support frame and top braces frame by jointing；
Two neighboring sub-truss bar one end is fixed on the same jointing positioned at top braces frame or is located at bottom
In the jointing of support frame, the other end is separately fixed at adjacent two and is located at the jointing of bottom support frame or is located at top
In the jointing of portion's support frame；
Above-mentioned jointing includes adding between bottom connecting plate, two double rod connecting lateral plates, two single pole connecting lateral plates and bar
Strong part；
Two double rod connecting lateral plates are relatively fixed on bottom connecting plate, and two single pole connecting lateral plates are relatively fixed in bottom
On connecting plate, sub-truss bar installation space is formed；Two neighboring sub-truss bar is fixed in sub-truss bar installation space,
Reinforcer is between two sub-truss bars between bar, the outer wall of sub-truss bar respectively with double rod connecting lateral plate, single pole connecting side
Reinforcer fits closely fixation between plate and bar.
Further, double rod connecting lateral plate and single pole connecting lateral plate all have flanging, are bonded in bottom connection by flanging
On plate；Reinforcer is V-type angle box between bar, and two opposite V-shape faces are Nian Jie with truss rod.Each component structural shape of jointing
Formula is simple L-type bent plate or V-type angle box, and difficulty of processing is small, and at low cost, precision easily guarantees.
Further, all components that above-mentioned truss is related to are carbon fibre composite production, jointing and branch
Support truss rod is adhesively fixed.
Above-mentioned sub-truss bar is hollow stem, and middle part is circular tube shaped, and both ends outer cross section is rectangular；Four of sub-truss bar
Reinforcer face face fits closely fixation to side wall between double rod connecting lateral plate, single pole connecting lateral plate and bar respectively.Two of them double rod
Connecting lateral plate is Nian Jie with the front and rear sides of adjacent two sub-truss bars respectively；Above-mentioned one of single pole connecting lateral plate and one
Truss rod left side bonding, another single pole connecting lateral plate are Nian Jie with another truss rod right side；Reinforcer surrounding point between bar
It is not bonded on truss rod medial surface and adjacent double rod connecting lateral plate, to improve the coupling stiffness between two truss members.
Further, bottom connecting plate is connected on the built-in fitting inside top braces frame and bottom support frame using screw
(support frame is pre-buried in advance when forming).
The beneficial effects of the present invention are:
1, for the present invention by the jointing between braced frame and truss rod, discrete is multiple simple shapes, handling ease
Connecting plate, simplify connector design；
2, jointing is made of carbon fibre composite, reduces the total quality of Truss joint；
3, connecting plate uses the L-type bent plate with flanging, and from the point of view of composite processing angle, L-type bent plate is easier full
The design requirement of the low swollen high stability of line of foot；
4, truss structure is made of full carbon fibre composite, easily reaches light weight, and the rigidity of structure is big, and thermal stability is high
Purpose；
5, sub-truss bar both ends section is rectangular, is plane adhesion between jointing, and conventional cylinder connects
It connects and compares, flatness easily guarantees, erection stress is low.
Detailed description of the invention
Fig. 1 is space optical remote sensor carbon fiber sub-truss axis side schematic diagram in embodiment；
Fig. 2 is the main view of Fig. 1；
Fig. 3 is space optical remote sensor carbon fiber sub-truss jointing structural schematic diagram；
Fig. 4 is space optical remote sensor carbon fiber sub-truss jointing explosive view；
Appended drawing reference in figure are as follows: 1- top braces frame, 2- sub-truss bar, 3- jointing, 31- bottom connecting plate, 32-
Single pole connecting lateral plate, 33- double rod connecting lateral plate, reinforcer between 34- bar, the bottom 4- support frame.
Specific embodiment
Core of the invention thought is to realize optical sensor support construction light weight using full carbon fiber truss, and structure is rigid
Degree is big, and thermal stability is high, the target of assembly easy to process.In terms of truss connection, tradition is replaced using discrete L-type connecting plate
Integrated metal connector, and by the way that truss rod and connector link position are designed as square-section form, connector design is simplified,
The bonding strength for improving jointing and truss rod reduces the total quality of Truss joint.
It is described in further detail below in conjunction with the drawings and specific embodiments:
As shown in Figure 4, the present embodiment space optical remote sensor carbon fiber sub-truss jointing is carbon fiber composite
The advantages of material, carbon fiber high specific stiffness, high specific strength, thermal stability height etc., the power thermal stability of whole truss is substantially improved,
It mainly include the double rod connecting lateral plate 33, two of bottom connecting plate 31, two reinforcer 34 between single pole connecting lateral plate 32 and bar；Double rod
Connecting lateral plate 33 and single pole connecting lateral plate 32 all have flanging, i.e. double rod connecting lateral plate 33 and single pole connecting lateral plate 32 is L-type
Bent plate；Reinforcer is V-type angle box between bar, and difficulty of processing is small, and at low cost, machining accuracy easily guarantees.
From figure 3, it can be seen that two double rod connecting lateral plates 33 are relatively bonded on bottom connecting plate 31 by flanging, two
A single pole connecting lateral plate 32 is relatively bonded on bottom connecting plate 31 by flanging, and support purlin is formed after the completion that is adhesively fixed
Hack lever installation space, reinforcer 34 is located in sub-truss bar installation space between bar, two opposite parallel surfaces and two it is double
The inner wall of bar connecting lateral plate 33 is bonded, and sub-truss bar installation space is divided into the first installation space and the second installation space,
First installation space is matched with the spatial form of the second installation space with sub-truss bar both ends shape to be fixed, fixed support
When truss, the reinforcer between double rod connecting lateral plate, single pole connecting lateral plate and bar fits closely admittedly the outer wall of sub-truss bar respectively
It is fixed.
Can be seen that the present embodiment space optical remote sensor carbon fiber sub-truss from Fig. 1 and Fig. 2 includes bottom support frame
4, sub-truss bar 2, top braces frame 1 and jointing 3, it is using screw that the bottom connecting plate 31 in jointing 3 is fixed
On the built-in fitting inside top braces frame 1 and bottom support frame 4, connect positioned at bottom support frame 4 and the connection of top braces frame 1
First 3 be in interlaced arrangement on horizontal plane, and circumferential phase angle is uniformly distributed, and radial position is consistent；Two neighboring sub-truss
2 one end of bar is fixed on the branch of the same jointing 3 positioned at top braces frame 1 or the jointing 3 positioned at bottom support frame 4
It supports in truss rod installation space, the other end is separately fixed at adjacent two and is located at the jointing 3 of bottom support frame 4 or is located at
In the sub-truss bar installation space of the jointing 3 of top braces frame 1.
Sub-truss bar 2 is hollow stem in the present embodiment, and middle part is circular tube shaped, and both ends outer cross section is rectangular, sub-truss
The both ends of bar 2 are fixed in jointing 3, two double rod connecting lateral plates 33 front and back with adjacent two sub-truss bars 2 respectively
Two side bonds；Two single pole connecting lateral plates 32 are Nian Jie with two truss rod left and right sides respectively, one of single pole connecting side
The inner wall of plate 32 is Nian Jie with a wherein truss rod left side, the inner wall of another single pole connecting lateral plate 32 and another truss rod
Right side bonding；Reinforcer 34 is located among two truss rods between bar, and surrounding is bonded to two 2 medial surfaces of truss rod and double rod respectively
On connecting lateral plate 33, to improve the coupling stiffness between two truss rods.All components that above-mentioned truss is related to are that carbon fiber is multiple
Condensation material production.The advantages of carbon fiber high specific stiffness, high specific strength, thermal stability height etc., make the power thermal stability of whole truss
It is substantially improved.
A kind of space optical remote sensor carbon fiber sub-truss provided by the invention is expounded above, is only used for helping
Assistant solves core of the invention thought, and similar embodiment is there is no need to be exhaustive.Therefore, several modifications are carried out to the present invention
The protection scope of the invention is also belonged to improvement.
Claims (10)
1. a kind of space optical remote sensor carbon fiber sub-truss jointing, it is characterised in that: including bottom connecting plate (31),
Reinforcer (34) between two double rod connecting lateral plates (33), two single pole connecting lateral plates (32) and bar；
Two double rod connecting lateral plates (33) are relatively fixed on bottom connecting plate (31), and two single pole connecting lateral plates (32) are opposite
Ground is fixed on bottom connecting plate (31), forms sub-truss bar installation space, and reinforcer (34) is located at sub-truss bar between bar
In installation space, two relatively parallel surfaces are Nian Jie with the inner wall of two double rod connecting lateral plates (33), and sub-truss bar is pacified
Dress space is divided into the first installation space and the second installation space, the spatial form of the first installation space and the second installation space and
Sub-truss bar both ends shape matching to be fixed, when fixing sub-truss, the outer wall of sub-truss bar is connect with double rod respectively
Reinforcer (34) fits closely fixation between side plate (33), single pole connecting lateral plate (32) and bar.
2. space optical remote sensor carbon fiber sub-truss jointing according to claim 1, it is characterised in that: connection
Connector is carbon fibre composite.
3. space optical remote sensor carbon fiber sub-truss jointing according to claim 1 or 2, it is characterised in that:
Double rod connecting lateral plate (33) and single pole connecting lateral plate (32) all have flanging, are bonded on bottom connecting plate (31) by flanging.
4. space optical remote sensor carbon fiber sub-truss jointing according to claim 3, it is characterised in that: between bar
Reinforcer (34) is V-type angle box.
5. a kind of space optical remote sensor carbon fiber sub-truss, including bottom support frame (4), sub-truss bar (2) and top
Support frame (1)；
It is characterized by:
Further include jointing (3) of the setting on bottom support frame (4) and top braces frame (1), is located at bottom support frame (4)
Jointing (3) with top braces frame (1) is in interlaced arrangement on horizontal plane, and circumferential phase angle is uniformly distributed, radial
Position consistency；
The sub-truss bar (2) is arranged between bottom support frame (4) and top braces frame (1) by jointing (3)；
Two neighboring sub-truss bar (2) one end is fixed on the same jointing (3) positioned at top braces frame (1) or is located at
In the jointing (3) of bottom support frame (4), the other end is separately fixed at the company that adjacent two are located at bottom support frame (4)
Connector (3) is located in the jointing (3) of top braces frame (1)；
The jointing (3) includes bottom connecting plate (31), two double rod connecting lateral plates (33), two single pole connecting lateral plates
(32) reinforcer (34) and between bar；
Two double rod connecting lateral plates (33) are relatively fixed on bottom connecting plate (31), and two single pole connecting lateral plates (32) are relatively solid
It is scheduled on bottom connecting plate (31), forms sub-truss bar installation space；Two neighboring sub-truss bar (2) is fixed on support purlin
In hack lever installation space, reinforcer (34) between two sub-truss bars (2), distinguish by the outer wall of sub-truss bar (2) between bar
Reinforcer (34) fits closely fixation between double rod connecting lateral plate (33), single pole connecting lateral plate (32) and bar.
6. space optical remote sensor carbon fiber sub-truss according to claim 5, it is characterised in that: jointing (3)
For carbon fibre composite, it is adhesively fixed with sub-truss bar (2).
7. space optical remote sensor carbon fiber sub-truss according to claim 5 or 6, it is characterised in that: double rod connection
Side plate (33) and single pole connecting lateral plate (32) all have flanging, are bonded on bottom connecting plate (31) by flanging.
8. space optical remote sensor carbon fiber sub-truss according to claim 7, it is characterised in that: reinforcer between bar
It (34) is V-type angle box；Two opposite parallel surfaces are Nian Jie with double rod connecting lateral plate (33).
9. space optical remote sensor carbon fiber sub-truss according to claim 7, it is characterised in that: the sub-truss
Bar (2) is hollow stem, and middle part is circular tube shaped, and both ends outer cross section is rectangular；Four side walls of sub-truss bar (2) respectively with double rod
Reinforcer (34) face face fits closely fixation between connecting lateral plate (33), single pole connecting lateral plate (32) and bar.
10. space optical remote sensor carbon fiber sub-truss according to claim 8, it is characterised in that: bottom connecting plate
(31) it is connected on top braces frame (1) and the built-in fitting of bottom support frame (4) inside using screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811517591.4A CN109557633B (en) | 2018-12-12 | 2018-12-12 | Carbon fiber support truss connecting joint and support truss of space optical remote sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811517591.4A CN109557633B (en) | 2018-12-12 | 2018-12-12 | Carbon fiber support truss connecting joint and support truss of space optical remote sensor |
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| Publication Number | Publication Date |
|---|---|
| CN109557633A true CN109557633A (en) | 2019-04-02 |
| CN109557633B CN109557633B (en) | 2024-05-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255989A (en) * | 2020-02-28 | 2020-06-09 | 中国科学院西安光学精密机械研究所 | Support truss rod and space truss structure |
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| Publication number | Publication date |
|---|---|
| CN109557633B (en) | 2024-05-31 |
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