CN204129308U - A kind of large caliber reflecting mirror back flexible supporting device - Google Patents
A kind of large caliber reflecting mirror back flexible supporting device Download PDFInfo
- Publication number
- CN204129308U CN204129308U CN201420613650.9U CN201420613650U CN204129308U CN 204129308 U CN204129308 U CN 204129308U CN 201420613650 U CN201420613650 U CN 201420613650U CN 204129308 U CN204129308 U CN 204129308U
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- reflecting mirror
- large caliber
- caliber reflecting
- soft
- drive system
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Abstract
The utility model provides a kind of large caliber reflecting mirror back flexible supporting device, and described bracing or strutting arrangement comprises large caliber reflecting mirror, eyeglass backboard, back up pad, card extender, screw rod, soft hinged chain, the soft hinged-support that slides, soft hinge bar, drive system.The combined hinge that three soft hinged chains are formed together with card extender constrains three translational degree of freedom of large caliber reflecting mirror, the soft articulation block of soft hinged-support of sliding realizes pitching and the yaw motion of large caliber reflecting mirror together with drive system, during locking drive system, two rotational freedoms of constraint large caliber reflecting mirror, rotary freedom in the face of flexible link constraint large caliber reflecting mirror.The utility model adopts flexible hinge structure as the supporting and positioning mechanism of large caliber reflecting mirror, has nano level positioning precision, by the matched design to its flexibility and kinematic accuracy, ensures stability and the precision stability of structure.The utility model has that structure is simple, stable movement, without friction, gapless, without the need to the advantage of lubricating, autokinesis is high.
Description
Technical field
The utility model belongs to accurate ray machine field, is specifically related to a kind of large caliber reflecting mirror back flexible supporting device.
Background technology
In order to ensure quality and the energy of folded light beam in various science apparatus, the surface deformation for catoptron has harsh requirement.Meanwhile, the structure of large caliber reflecting mirror is thick and heavy, involve great expense and position accuracy demand accurately makes its positioning regulating structure must be accurate and reliable, and stability is high, and one-piece construction also needs to meet nervous requirements of installation space.
The supporting way of traditional large caliber reflecting mirror many employings border clamping; between eyeglass and metal framework, rubber sheet gasket is set; a part of surface deformation is compensated while avoiding hard contact; in this structure, eyeglass can obtain the edge-protected of a good rigidly; its shortcoming is that the face shape in slant setting center of lens region changes greatly, and affects quality and the energy of transmitting beam.Meanwhile, because the picture frame volume of border clamping is comparatively large, difficulty is installed in the position for radial space anxiety, and the array that cannot realize eyeglass is installed.
Summary of the invention
Require the deficiency larger with radial volume to overcome the surface figure accuracy that can not meet optical element in prior art completely, the utility model provides a kind of large caliber reflecting mirror back flexible supporting device.
The utility model is achieved through the following technical solutions above-mentioned purpose:
Large caliber reflecting mirror back of the present utility model flexible supporting device, be characterized in, described bracing or strutting arrangement comprise large caliber reflecting mirror, for install the eyeglass backboard of large caliber reflecting mirror, drive system, for installing back up pad, card extender, soft hinged chain, the soft hinge bar of drive system, for connecting the screw rod of large caliber reflecting mirror, eyeglass backboard, card extender, wherein, drive system comprises servomotor, bellows coupling, angular contact pearl bearing, straight line screw mandrel, straight-line ball guide pin bushing, slide soft hinged-support; Its annexation is, the servomotor in described drive system is connected with straight line screw mandrel by bellows coupling, angular contact pearl bearing, and straight line screw mandrel is connected with the soft hinged-support of slip by straight-line ball guide pin bushing; Described large caliber reflecting mirror back has three blind holes, and eyeglass backboard is connected by screw rod with between large caliber reflecting mirror, and screw rod end is bonding with large caliber reflecting mirror blind hole; Described back up pad and eyeglass backboard be arranged in parallel, card extender, three soft hinged chains, soft hinge bars, slide soft hinged-support between back up pad and eyeglass backboard, one end of soft hinged chain one end and card extender is spirally connected, the other end and back up pad are spirally connected, the other end and the eyeglass backboard of card extender are spirally connected, and have an angle between the axis of soft hinged chain and large caliber reflecting mirror normal; Described soft hinge bar and back up pad, eyeglass backboard are spirally connected respectively; Described drive system one end is spirally connected by sliding between soft hinged-support and eyeglass backboard, is spirally connected in the middle part of drive system with back up pad.
Described large caliber reflecting mirror becomes arbitrarily angled placement with ground.
The position of three blind holes that described large caliber reflecting mirror back is arranged is drawn by Mechanics Calculation, arranges in isosceles triangle.
Between described three soft hinged chains, angle is 120 °; Angle between each soft hinged chain axis and large caliber reflecting mirror minute surface normal is 60 °.
Axis intersection point between described three soft hinged chains is at the neutral surface of large caliber reflecting mirror.
Adhesives between described screw rod and large caliber reflecting mirror is room temperature vulcanized silicone rubber.
Described screw rod, eyeglass backboard adopt indium Steel material to make; Described hinged chain, soft articulation block, soft hinge bar all adopt titanium alloy or beryllium-bronze to make.
The concrete grooving size relationship of described soft hinged chain, soft articulation block, soft hinge bar linkage structure, to the stability of large caliber reflecting mirror and degree of regulation, draws according to Mechanics Calculation.
Adopt the soft hinged chain of flexible hinge structure form, soft articulation block, soft hinge bar linkage structure as the supporting and location governor motion of large caliber reflecting mirror in the utility model, there is the positioning precision of nanometer scale, the elastic deformation of the soft hinge of integral forming produces the precise motion of limited steerable, by the matched design to its flexibility and kinematic accuracy, ensure stability and the precision stability of structure.After being assembled into one with large caliber reflecting mirror and back up pad, integrally cellular construction realizes Fast Installation in optical system and replacing, ensure that maintenance efficiency when installation and maintain and replace.Total has simply, stable movement, without friction, gapless, without the need to lubricating, autokinesis is high, reliability is high advantage.Adopt electric drive system as the drive system of large caliber reflecting mirror simultaneously, after optical system, online pitching and deflection bidimensional accurate adjustment is realized at structure installment, ensure that the clean requirement of optical system, be convenient to realize large-scale Installation and Debugging work fast.
Accompanying drawing explanation
Fig. 1 is the structural representation of large caliber reflecting mirror back of the present utility model flexible supporting device;
Fig. 2 is the A direction view in Fig. 1;
Fig. 3 is the B direction view in Fig. 1;
Fig. 4 is the structural representation that three soft hinged chains in the utility model and card extender form combined hinge;
Fig. 5 is the soft hinge bar structural representation in the utility model;
Fig. 6 is the C direction view in Fig. 2;
Fig. 7 is the driving system structure schematic diagram in the utility model;
In figure, 1. soft hinged chain 5. back up pad 6. of large caliber reflecting mirror 2. eyeglass backboard 3. card extender 4. is slided soft hinged-support 7. drive system 8. soft hinge bar 9. screw rod 10. servomotor 11. bellows coupling 12. angular contact pearl bearing 13. straight line screw mandrel 14. straight-line ball guide pin bushing.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Embodiment 1
Fig. 1 is large caliber reflecting mirror back of the present utility model flexible supporting device, Fig. 2 is A direction view in Fig. 1 (eliminating back up pad 5, drive system 7), Fig. 3 is the B direction view (eliminating card extender 3, soft hinged chain 4) in Fig. 1, and Fig. 7 is the driving system structure schematic diagram in the utility model.In Fig. 1 ~ Fig. 3, Fig. 7, large caliber reflecting mirror back of the present utility model flexible supporting device comprise large caliber reflecting mirror 1, for install the eyeglass backboard 2 of large caliber reflecting mirror 1, drive system 7, for installing back up pad 5, card extender 3, soft hinged chain 4, the soft hinge bar 8 of drive system 7, for connecting the screw rod 9 of large caliber reflecting mirror 1, eyeglass backboard 2, card extender 3, wherein, drive system 7 comprises servomotor 10, bellows coupling 11, angular contact pearl bearing 12, straight line screw mandrel 13, straight-line ball guide pin bushing 14, slide soft hinged-support 6.Its annexation is, the servomotor 10 in described drive system 7 is connected with straight line screw mandrel 13 by bellows coupling 11, angular contact pearl bearing 12, and straight line screw mandrel 13 is connected with the soft hinged-support 6 of slip by straight-line ball guide pin bushing 14; Described large caliber reflecting mirror 1 back has three blind holes, is connected between eyeglass backboard 2 with large caliber reflecting mirror 1 by screw rod 9, and screw rod 9 end is bonding with large caliber reflecting mirror 1 blind hole; Described back up pad 5 be arranged in parallel with eyeglass backboard 2, the soft hinged chain 4 of card extender 3, three, soft hinge bar 8, slide soft hinged-support 6 between back up pad 5 and eyeglass backboard 2, one end of soft hinged chain 4 one end and card extender 3 is spirally connected, the other end and back up pad 5 are spirally connected, the other end and the eyeglass backboard 2 of card extender 3 are spirally connected, and have an angle between the axis of soft hinged chain 4 and large caliber reflecting mirror 1 normal; Described soft hinge bar 8 is spirally connected respectively with back up pad 5, eyeglass backboard 2; Described drive system 7 one end is spirally connected by sliding between soft hinged-support 6 and eyeglass backboard 2, is spirally connected in the middle part of drive system 7 with back up pad 5.
Described large caliber reflecting mirror 1 becomes arbitrarily angled placement with ground.
The position of three blind holes that described large caliber reflecting mirror 1 back is arranged is drawn by Mechanics Calculation, arranges in isosceles triangle.
Between described three soft hinged chains 4, angle is 120 °; Angle between each soft hinged chain 4 axis and large caliber reflecting mirror 1 minute surface normal is 60 °.
Axis intersection point between described three soft hinged chains 4 is at the neutral surface of large caliber reflecting mirror 1.
Adhesives between described screw rod 9 and large caliber reflecting mirror 1 is room temperature vulcanized silicone rubber.
Described screw rod 9, eyeglass backboard 2 adopt indium Steel material to make;
The present embodiment is provided with three soft hinged chains, and soft hinged chain 4 is one of them; Be provided with two cover drive systems, drive system 7 is one of them; Soft hinged chain 4, the soft hinged-support 6 that slides, soft hinge bar 8 all adopt titanium alloy to make.
Fig. 4 is the structural representation that three soft hinged chains in the utility model and card extender form combined hinge, in three soft hinged chains, each flexible side chain is made up of the flexible unit of four orthogonal groovings, notch width and residual wall thickness are obtained by Mechanics Calculation, while ensureing bracing or strutting arrangement rigidity, ensure the mirror surface facial disfigurement of large caliber reflecting mirror 1.Three flexible side chains 4 form a soft hinge of three-jaw with card extender 3, between three soft hinged chains 4, angle is 120 °, each soft hinged chain 4 becomes 60 ° of angles with between large caliber reflecting mirror 1 minute surface normal, and the axis intersection point between three soft hinged chains 4 is at the neutral surface of large caliber reflecting mirror 1.
Fig. 5 is the soft hinge bar structural representation in the utility model, and in Fig. 5, soft hinge bar 8 is made up of the flexible unit of four orthogonal groovings.
Fig. 6 is the C direction view in Fig. 2, shows the annexation between large caliber reflecting mirror 1, eyeglass backboard 2, card extender 3, soft hinged chain 4, back up pad 5, screw rod 9.
After the grooving of the soft hinged chain 4 in the utility model, the soft articulation block slided in soft hinged-support 6, soft hinge bar 8, minimum hinge thickness determines integrally-built stability and kinematic accuracy, notch width limits the greatest limit position of rotation, ensures that structure can not overbend.
The luffing of the large caliber reflecting mirror 1 in the utility model is embodied as: two drive systems 7 promote the soft hinged-supports 6 that slide, and makes large caliber reflecting mirror 1 walk around card extender 3 center line, is parallel to eyeglass minor face, axis that eyeglass neutral surface three is intersected does luffing.
The yaw motion of described large caliber reflecting mirror 1 is embodied as: two drive systems 7 promote the soft hinged-support 6 of slip and one in front and one in back move, large caliber reflecting mirror 1 is made to make yaw motion around eyeglass minor axis central plane, simultaneously flexible link 8 limit catoptron face in rotary motion, ensure the motion accuracy of yaw motion.
Described soft hinged chain 4, the soft articulation block in soft hinged-support 6 that slides, soft hinge bar 8 adopt the job operation of Linear cut.
Principle of work of the present utility model is:
One in the utility model soft hinged chain 4 retrains an axial freedom, decontrol other five degree of freedom, after three soft hinged chains 4 form combined hinge together with card extender 3, three restrained axial freedoms are decomposed through coordinate, become three translational degree of freedom of constraint large caliber reflecting mirror 1, namely three translational degree of freedom of combined hinge constraint eyeglass, decontrol three rotary freedoms of eyeglass.The soft hinged-support 6 that slides is connected with drive system 7, soft articulation block in the soft hinged-support of each slip 6 only retrains its axial freedom, the minor shifts amount on driving direction can be compensated, two drive systems 7 are with entering with moving back or pitching and the yaw motion entering to move back to realize large caliber reflecting mirror 1, adjustment terminates rear drive locking, retrains two rotary freedoms of large caliber reflecting mirror 1.Rotate in the face of large caliber reflecting mirror 1 and retrained by soft hinge bar 8, the rotation axis of soft hinge bar 8 overlaps with the minor axis central plane of large caliber reflecting mirror 1, and the yaw motion of large caliber reflecting mirror 1 is overlapped with its minor axis central plane all the time.
Select easily deformable due to soft hinge compatible materials but be not easy to the material that destroys, namely require that the strength of materials-ratio of rigidity is enough large, soft hinge selects titanium alloy to make.
For reducing thermal stress, indium steel selected by the screw rod 9 directly contacted with catoptron and eyeglass backboard 2, and the thermal expansivity of its thermal expansivity and reflecting mirror material is close.
The concrete grooving size relationship of soft hinged chain 4, the soft articulation block slided in soft hinged-support 6, soft hinge bar 8 structure, to the stability of large caliber reflecting mirror and degree of regulation, draws according to Mechanics Calculation structure.
Embodiment 2
The present embodiment is identical with the structure of embodiment, and difference is, soft hinged chain, the soft hinged-support that slides, soft hinge bar select beryllium-bronze to make.
Claims (5)
1. a large caliber reflecting mirror back flexible supporting device, it is characterized in that: described bracing or strutting arrangement comprises large caliber reflecting mirror (1), for installing the eyeglass backboard (2) of large caliber reflecting mirror (1), drive system (7), for installing the back up pad (5) of drive system (7), card extender (3), soft hinged chain (4), soft hinge bar (8), for connecting large caliber reflecting mirror (1), eyeglass backboard (2), the screw rod (9) of card extender (3), wherein, drive system (7) comprises servomotor (10), bellows coupling (11), angular contact pearl bearing (12), straight line screw mandrel (13), straight-line ball guide pin bushing (14), slide soft hinged-support (6), its annexation is, servomotor (10) in described drive system (7) is connected with straight line screw mandrel (13) by bellows coupling (11), angular contact pearl bearing (12), and straight line screw mandrel (13) is connected with the soft hinged-support of slip (6) by straight-line ball guide pin bushing (14), described large caliber reflecting mirror (1) back has three blind holes, be connected by screw rod (9) between eyeglass backboard (2) with large caliber reflecting mirror (1), screw rod (9) end is bonding with large caliber reflecting mirror (1) blind hole, described back up pad (5) and eyeglass backboard (2) be arranged in parallel, card extender (3), three soft hinged chains (4), soft hinge bar (8), the soft hinged-supports (6) that slide are positioned between back up pad (5) and eyeglass backboard (2), one end of soft hinged chain (4) one end and card extender (3) is spirally connected, the other end and back up pad (5) are spirally connected, the other end and the eyeglass backboard (2) of card extender (3) are spirally connected, and have an angle between the axis of soft hinged chain (4) and large caliber reflecting mirror (1) normal, described soft hinge bar (8) and back up pad (5), eyeglass backboard (2) are spirally connected respectively, described drive system (7) one end is spirally connected by sliding between soft hinged-support (6) and eyeglass backboard (2), and drive system (7) middle part is spirally connected with back up pad (5).
2. large caliber reflecting mirror back according to claim 1 flexible supporting device, is characterized in that: described large caliber reflecting mirror (1) becomes arbitrarily angled placement with ground.
3. large caliber reflecting mirror back according to claim 1 flexible supporting device, is characterized in that: the position of three blind holes that described large caliber reflecting mirror (1) back is arranged is drawn by Mechanics Calculation, arranges in isosceles triangle.
4. large caliber reflecting mirror back according to claim 1 flexible supporting device, is characterized in that: between described three soft hinged chains (4), angle is 120 °; Angle between each soft hinged chain (4) axis and large caliber reflecting mirror (1) minute surface normal is 60 °.
5. large caliber reflecting mirror back according to claim 1 flexible supporting device, is characterized in that: the neutral surface of axis intersection point in large caliber reflecting mirror (1) between described three soft hinged chains (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420613650.9U CN204129308U (en) | 2014-10-23 | 2014-10-23 | A kind of large caliber reflecting mirror back flexible supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420613650.9U CN204129308U (en) | 2014-10-23 | 2014-10-23 | A kind of large caliber reflecting mirror back flexible supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204129308U true CN204129308U (en) | 2015-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420613650.9U Withdrawn - After Issue CN204129308U (en) | 2014-10-23 | 2014-10-23 | A kind of large caliber reflecting mirror back flexible supporting device |
Country Status (1)
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| CN (1) | CN204129308U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104280858A (en) * | 2014-10-23 | 2015-01-14 | 中国工程物理研究院总体工程研究所 | Flexible back supporting device for large-caliber reflector |
| CN107167895A (en) * | 2017-06-22 | 2017-09-15 | 中国科学院西安光学精密机械研究所 | Multi-degree-of-freedom adjusting system of large-diameter reflector |
| CN108710188A (en) * | 2018-06-05 | 2018-10-26 | 苏州艾力光电科技有限公司 | A kind of optics mounting bracket |
| CN107748427B (en) * | 2017-11-16 | 2019-03-29 | 中国科学院长春光学精密机械与物理研究所 | A kind of dismountable flexible support members |
| CN110320636A (en) * | 2019-08-15 | 2019-10-11 | 中国科学院长春光学精密机械与物理研究所 | A kind of metallic mirror support construction and metallic mirror system |
| CN111458865A (en) * | 2020-04-29 | 2020-07-28 | 中国科学院光电技术研究所 | High-precision position error compensation and correction device applied to large-caliber optical super-structure surface |
| CN114096816A (en) * | 2019-07-31 | 2022-02-25 | 塞莫费雪科学（不来梅）有限公司 | Mirror clip |
-
2014
- 2014-10-23 CN CN201420613650.9U patent/CN204129308U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104280858A (en) * | 2014-10-23 | 2015-01-14 | 中国工程物理研究院总体工程研究所 | Flexible back supporting device for large-caliber reflector |
| CN107167895A (en) * | 2017-06-22 | 2017-09-15 | 中国科学院西安光学精密机械研究所 | Multi-degree-of-freedom adjusting system of large-diameter reflector |
| CN107748427B (en) * | 2017-11-16 | 2019-03-29 | 中国科学院长春光学精密机械与物理研究所 | A kind of dismountable flexible support members |
| CN108710188A (en) * | 2018-06-05 | 2018-10-26 | 苏州艾力光电科技有限公司 | A kind of optics mounting bracket |
| CN114096816A (en) * | 2019-07-31 | 2022-02-25 | 塞莫费雪科学（不来梅）有限公司 | Mirror clip |
| CN110320636A (en) * | 2019-08-15 | 2019-10-11 | 中国科学院长春光学精密机械与物理研究所 | A kind of metallic mirror support construction and metallic mirror system |
| CN111458865A (en) * | 2020-04-29 | 2020-07-28 | 中国科学院光电技术研究所 | High-precision position error compensation and correction device applied to large-caliber optical super-structure surface |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150128 Effective date of abandoning: 20160817 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |