CN106383397B - Primary mirror installation and adjustment mechanism - Google Patents
Primary mirror installation and adjustment mechanism Download PDFInfo
- Publication number
- CN106383397B CN106383397B CN201611121347.7A CN201611121347A CN106383397B CN 106383397 B CN106383397 B CN 106383397B CN 201611121347 A CN201611121347 A CN 201611121347A CN 106383397 B CN106383397 B CN 106383397B
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- China
- Prior art keywords
- primary mirror
- adjustment
- screw
- mirror cell
- fulcrum bearing
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Classifications
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- 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
- G02B7/1822—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors comprising means for aligning the optical axis
- G02B7/1824—Manual alignment
-
- 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
- G02B7/198—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors with means for adjusting the mirror relative to its support
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Telescopes (AREA)
Abstract
Primary mirror installation and adjustment mechanism,It is related to a kind of primary mirror installation and adjustment mechanism,The regulative mode for solving existing telescope primary mirror is complicated,Stability is bad and there is the problems such as axially and radially intercoupling,Speculum passes through on three support rims being bonded in fulcrum bearing,Primary mirror cell and fulcrum bearing are arranged concentrically,Adjustment component includes primary mirror cell's inserts by being embedded in primary mirror cell,It is embedded in the undertaking ball-and-socket of fulcrum bearing bottom,Adjustment screw in primary mirror cell's inserts is set,It is embedded in the screw rod ball-and-socket of adjustment screw upper end,Steel ball between undertaking ball-and-socket and screw rod ball-and-socket and the locking nut mounted on adjustment screw bottom,Locking assembly includes the roller being embedded in fulcrum bearing,Wraping plate on roller,Locking bulb and locking ball-and-socket on lock-screw and butterfly gasket,Mechanism of the present invention can adjust three degree of freedom,And main mirror face is not influenced.
Description
Technical field
The present invention relates to a kind of primary mirror installation and adjustment mechanisms.
Background technology
Traditional primary lens regulating mechanism be in primary mirror assembling process, it is poor by mechanical repairing method or other stability
Method of adjustment realize the tilt adjustments of primary mirror optical axis position, have the following defects：
1. regulative mode is complicated, can cause accordingly, it is also relatively high to adjust personnel requirement to minute surface；And it can only adjust seldom
Degree of freedom.
2. stability is bad, existing primary mirror is not fixed well, influences measurement accuracy, after the completion of adjustment there may be
Subsequent bounce.
3. adjustment process must evitable generation interference situation axially and radially, when carrying out inclined adjustment, can bring
Primary mirror optical axis laterally adjusts.
4. not having quarantine measures, the malformation of installation foundation can impact primary mirror.
Invention content
The present invention be solve existing telescope primary mirror regulative mode it is complicated, stability is bad and exists axially and radially
The problems such as intercoupling provides a kind of primary mirror installation and adjustment mechanism.
Primary mirror installation and adjustment mechanism includes adjustment component, the locking of fulcrum bearing, primary mirror cell, connection primary mirror cell and fulcrum bearing
Component and the flexible membrane component being arranged between primary mirror cell and fulcrum bearing, speculum are bonded on fulcrum bearing support rim；
The primary mirror cell and fulcrum bearing are arranged concentrically,
The adjustment component and locking assembly are three groups, and the every group of lock that be uniformly distributed along the circumference between primary mirror cell and support base
Tight component is two, and every group of locking assembly is located at the both sides of adjustment component；
Every group of adjustment component includes by primary mirror cell's inserts for being embedded in primary mirror cell, is embedded in fulcrum bearing bottom
Accept ball-and-socket, the adjustment screw being arranged in primary mirror cell's inserts, the screw rod ball-and-socket for being embedded in adjustment screw upper end, mounted on holding
It receives the steel ball between nest and screw rod ball-and-socket and the locking nut mounted on adjustment screw bottom；
Every group of locking assembly includes the roller being embedded in fulcrum bearing, the wraping plate on roller, mounted on sticking up
The backup plate of plate both sides, two lock-screws, the locking bulb on lock-screw and locking ball-and-socket and butterfly gasket, institute
It includes flexible membrane, fixed outer ring and fixed inner ring to state flexible membrane component, the outer ring of flexible membrane by fixed outer ring and
Primary mirror cell is connected, and the inner ring of flexible membrane is connected by fixed inner ring with fulcrum bearing.
The beneficial fruit of the present invention：
One, the present invention is provided with adjustment component and locking assembly between fulcrum bearing and primary mirror cell, passes through three adjustment spiral shells
Nail adjustment axial position is adjusted by butterfly spring, the wraping plate in locking assembly along optical axis direction position, and butterfly spring cooperation is stuck up
Plate and roller play the role of drawing, and adjusting screw plays top, and this regulative mode can be described as three tops six and draw regulative mode,
This regulative mode is simple, facilitates the adjustment, it can be achieved that three degree of freedom, is not influenced on main mirror face.
Two, the present invention is provided with locking assembly in each adjustment component both sides, and locking assembly is realized by roller and wraping plate
Locking to fulcrum bearing, locking assembly is applied by butterfly spring to be pre-tightened, and two lock-screws are mounted on wraping plate both sides, wraping plate bottom
Portion is provided with cylinder shape groove, and the roller being embedded in fulcrum bearing is arranged in the cylindrical groove of wraping plate bottom, unclamps a lock
Tight screw can be adjusted the adjustment of component, and the coupling mechanism force of two lock-screws is distributed in by the way that wraping plate is average in roller,
This locking mode can effectively prevent from loosening and suppressing dead situation, and the difference of the coupling mechanism force on two lock-screws will not be to locking
It adversely affects；
Three, the present invention fixes primary mirror cell and fulcrum bearing using flexible membrane, flexible membrane have higher radial rigidity and
Lower axial rigidity can eliminate the offset of fulcrum bearing radial direction when adjusting component and carrying out axially adjustable, can also effectively change
The stress state that component and primary mirror cell junction are adjusted during kind adjustment prevents after the completion of adjusting during locking assembly locking
Position offset caused by exchanging whole group part ensure that adjustment process is simple, convenient, and reliable；
Description of the drawings
Fig. 1 is the schematic diagram of primary mirror installation and adjustment of the present invention mechanism；
Fig. 2 is the schematic diagram that primary mirror installation and adjustment of the present invention mechanism removes primary mirror and flexible membrane；
Fig. 3 is the side sectional view of Fig. 1；
Fig. 4 is the vertical view (removed primary mirror) of Fig. 3；
Fig. 5 is the vertical view (removed primary mirror and flexible membrane) of Fig. 3；
Fig. 6 is the upward view of Fig. 3；
Fig. 7 is Fig. 4 sectional views.
In figure：1, speculum, 2, mounting screw, 3, flexible membrane, 4, fulcrum bearing, 4-2,4-1, support rim lead glue groove,
5, primary mirror cell, 5-1, the through-hole for being opened in primary mirror cell bottom for connecting primary mirror cell and adjustment component, 5-3,5-2, seam allowance lead to
Hole, 6, fixed outer ring, 7, fixed inner ring, 8, wraping plate, 8-1, threaded hole, 9, backup plate, 10, screw, 11, roller, 12, locking screw
Nail, 13, butterfly gasket, 14, locking ball-and-socket, 15, locking bulb, 16, locking nut, 17, adjustment screw, 18, primary mirror cell's inserts,
19, screw rod ball-and-socket, 20, steel ball, 21, accept ball-and-socket.
Specific implementation mode
Specific implementation mode one illustrates present embodiment, primary mirror installation and adjustment mechanism, including speculum in conjunction with Fig. 1 to Fig. 7
1, the adjustment component of fulcrum bearing 4, primary mirror cell 5, connection primary mirror cell and fulcrum bearing, locking assembly and setting are in primary mirror cell and bearing
Flexible membrane component between seat, as shown in Figure 3 and Figure 5, the speculum 1 is equal by three circumference being bonded in fulcrum bearing
On the support rim 4-1 of cloth, it is provided on supporting point and leads glue groove 4-2.Support rim is located at the 0.68 of fulcrum bearing diameter.It is described
5 bottom of primary mirror cell is provided with for connecting primary mirror cell 5 and adjusting the through-hole 5-1 for being opened in primary mirror cell bottom of component, by means of meeting
The seam allowance 5-2 that primary mirror optical axis concentricity requires, for realizing datum tool, for realizing the through-hole 5-3 being connect with primary mirror cell.
Embodiment is described with reference to Fig. 4, and flexible membrane 3 realizes 5 He of primary mirror cell by fixed outer ring 6 and fixed inner ring 7
Connection between fulcrum bearing 4, the wherein excircle of flexible membrane 3 and inner periphery have been evenly distributed with 6 unthreaded holes.Fixed outer ring 6 is together with soft
Property diaphragm 3 be connected in the threaded hole of primary mirror cell 5 by the unthreaded hole that six radial symmetrics are distributed, fixed inner ring 7 is together with flexible membrane
Piece 3 is connected to by the unthreaded hole that six radial symmetrics are distributed in the threaded hole of fulcrum bearing 4, by means of fixed outer ring and fixed inner ring
Connection of the flexible membrane to primary mirror cell and fulcrum bearing is realized, ensures to realize axial elasticity while radial rigidity.It can be
Adjustment component eliminates the offset of fulcrum bearing radial direction when carrying out axially adjustable, can also be effectively improved during adjustment adjustment component with
The stress state of primary mirror cell junction prevents position caused by exchanging whole group part during locking assembly locking after the completion of adjusting inclined
It moves, ensure that adjustment process is simple, convenient, and reliable.
Illustrate present embodiment in conjunction with Fig. 6 and Fig. 7, includes three groups of adjustment components in present embodiment, each adjust component
Both sides are dispersed with locking assembly.For three groups of adjustment component circumference uniform distributions in primary mirror cell 5, each component that adjusts includes by being embedded in
Primary mirror cell's inserts 18 in primary mirror cell 5, be embedded in 4 bottom of fulcrum bearing undertaking ball-and-socket 21, the tune that is arranged in primary mirror cell's inserts
Whole screw rod 17, the screw rod ball-and-socket 19 for being embedded in adjustment screw upper end, mounted on accepting between ball-and-socket 21 and screw rod ball-and-socket 19
Steel ball 20 and locking nut 16 mounted on adjustment screw bottom.
Adjustment process every time unclamps locking nut 16 first, rotates adjustment screw 17, is realized by primary mirror cell's inserts 18
The adjustment up and down of adjustment screw 17 realizes the inclination of fulcrum bearing 4 together with screw rod ball-and-socket 19, steel ball 20 and undertaking ball-and-socket 21 jointly
Adjustment.Steel ball and the effect for accepting ball-and-socket and screw rod ball-and-socket be to discharge corresponding degree of freedom, will not when ensureing adjustment
Introduce local stress.
Illustrate present embodiment in conjunction with Fig. 5 and Fig. 7, totally three groups of the locking assembly described in present embodiment is distributed in adjustment
The both sides of component.Each locking assembly includes the roller 11 being embedded in fulcrum bearing, the wraping plate 8 on roller, is mounted on
The backup plate 9 of wraping plate both sides, the mounting screw 10 on backup plate, two locks being threadedly coupled by the threaded hole 8-1 realizations on wraping plate
Tight screw 12, the locking bulb 15 on lock-screw and locking ball-and-socket 14 and butterfly gasket 13.
When carrying out primary mirror tilt adjustments every time, locking assembly is unclamped first.By rotating two lock-screws 12, by releasing
The subsequent adjustment of preloading guarantee for putting butterfly gasket 13 is smooth.Locking assembly realizes the lock to fulcrum bearing by roller and wraping plate
Tightly, two lock-screws are mounted on wraping plate both sides, and wraping plate bottom is provided with cylinder shape groove, and the roller being embedded in fulcrum bearing is set
It sets in the cylindrical groove of wraping plate bottom, the adjustment of component can be adjusted by unclamping a lock-screw.This structure is similar
It is distributed in roller in the coupling mechanism force of seesaw, two lock-screws by the way that wraping plate is average, this locking mode can be effective
It prevents from loosening and suppressing dead situation, the difference of the coupling mechanism force on two lock-screws will not adversely affect locking.It has adjusted
Cheng Hou screws lock-screw 12, and after locking bulb 15 and the effect for locking ball-and-socket 14 are tilt adjustments, primary mirror cell and wraping plate go out
An existing inclination angle, ensure that by locking bulb and locking ball-and-socket will not introduce additional stress when locking, prevent to adjustment
Component brings locking error.
In present embodiment, three groups of adjustment components adjust axial position, pass through butterfly gasket 13, the wraping plate in locking assembly
8 adjustment are along optical axis direction position, and butterfly gasket 13 coordinates wraping plate 8 and roller 11 plays the role of drawing, adjust lock-screw 12 and rise
To the effect on top, this regulative mode can be described as three tops six and draw regulative mode.
Claims (9)
1. primary mirror installation and adjustment mechanism, including fulcrum bearing (4), primary mirror cell (5), the adjustment for connecting primary mirror cell (5) and fulcrum bearing (4)
Component, locking assembly and the flexible membrane component being arranged between primary mirror cell and fulcrum bearing, speculum (1) are bonded in fulcrum bearing
(4) on support rim (4-1)；The primary mirror cell (5) and fulcrum bearing (4) are arranged concentrically, it is characterized in that；
The adjustment component and locking assembly are three groups, and the every group of locking group that be uniformly distributed along the circumference between primary mirror cell and support base
Part is two, and every group of locking assembly is located at the both sides of adjustment component；
Every group of adjustment component includes by primary mirror cell's inserts (18) for being embedded in primary mirror cell, is embedded in fulcrum bearing (4) bottom
The undertaking ball-and-socket (21) in portion, is embedded in adjustment screw (17) upper end at the adjustment screw (17) being arranged in primary mirror cell's inserts (18)
The screw rod ball-and-socket (19) in portion is mounted on the steel ball (20) accepted between ball-and-socket (21) and screw rod ball-and-socket (19) and is mounted on adjustment
The locking nut (16) of screw rod (17) bottom；
Every group of locking assembly includes the wraping plate for being embedded in the roller (11) in fulcrum bearing (4), being mounted on roller (11)
(8), mounted on the backup plate (9) of wraping plate both sides, two lock-screws (12), the locking bulb being mounted on lock-screw (12)
(15) and locking ball-and-socket (14) and butterfly gasket (13),
The flexible membrane component includes flexible membrane (3), fixed outer ring (6) and fixes inner ring (7), flexible membrane (3)
Outer ring is connected by fixed outer ring (6) with primary mirror cell (5), and the inner ring of flexible membrane (3) passes through fixed inner ring (7) and fulcrum bearing
(4) it connects.
2. primary mirror installation and adjustment according to claim 1 mechanism, it is characterised in that：Locking nut in the adjustment component
(16) unthreaded hole and threaded hole of perforation are provided on, for realizing the locking fastening of locking nut (16).
3. primary mirror installation and adjustment according to claim 1 or 2 mechanism, it is characterised in that：Primary mirror cell's inserts (18) peace
At the counter sink internal mounted in primary mirror cell (5), it is attached by screw, primary mirror cell's inserts (18) is flange-type structure,
Inside has screw thread, the unthreaded hole there are three circle distribution is opened on flange outer ring, for realizing primary mirror cell's inserts (18) and primary mirror cell
(5) be fixedly connected.
4. primary mirror installation and adjustment according to claim 3 mechanism, it is characterised in that：Adjustment screw (17) upper surface is set
Screw rod ball-and-socket (19) is set, outside is provided with screw thread, is connect with primary mirror cell's inserts (18), realizes adjustment function, the tune
Whole screw rod (17) lower face is provided with the hexagonal indentations of adjustment, for the insertion of spanner to facilitate the height of adjustment screw (17)
High adjustment.
5. primary mirror installation and adjustment according to claim 4 mechanism, it is characterised in that；Bearing is embedded in the locking assembly
Adjustment screw (17) in the rotation axis of roller (11) on seat (4) and the adjustment component intersects vertically.
6. primary mirror installation and adjustment according to claim 5 mechanism, it is characterised in that；The sticking up on roller (11)
Adjustment screw (17) in the centre symmetry line of plate (8) and the rotation axis of the roller (11) and the adjustment component is vertical
Intersection.
7. primary mirror installation and adjustment according to claim 6 mechanism, it is characterised in that；Described two lock-screw (12) installations
Both ends in the wraping plate (8) are arranged by the butterfly gasket (13) in the bottom of primary mirror cell (5).
8. primary mirror installation and adjustment according to claim 7 mechanism, it is characterised in that；The outer ring of the flexible membrane (3) is logical
The screw for crossing six circumference uniform distributions connects fixed outer ring (6) and primary mirror cell (5), and the inner ring of the flexible membrane (3) passes through six
The screw of a circumference uniform distribution will fixed inner ring (7) and fulcrum bearing (4) connection.
9. primary mirror installation and adjustment according to claim 1 mechanism, it is characterised in that；It is arranged on the support rim (4-1)
Glue groove (4-2) is led, the support rim (4-1) is located at the 0.68 of fulcrum bearing (4) diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611121347.7A CN106383397B (en) | 2016-12-08 | 2016-12-08 | Primary mirror installation and adjustment mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611121347.7A CN106383397B (en) | 2016-12-08 | 2016-12-08 | Primary mirror installation and adjustment mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106383397A CN106383397A (en) | 2017-02-08 |
| CN106383397B true CN106383397B (en) | 2018-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611121347.7A Active CN106383397B (en) | 2016-12-08 | 2016-12-08 | Primary mirror installation and adjustment mechanism |
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| CN (1) | CN106383397B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108089277B (en) * | 2017-12-14 | 2019-10-15 | 中国科学院长春光学精密机械与物理研究所 | Optical lens support construction |
| CN109946811B (en) * | 2019-03-12 | 2023-09-05 | 中国科学院西安光学精密机械研究所 | Quick-response double-view-field switching mechanism |
| CN110824661A (en) * | 2019-12-13 | 2020-02-21 | 中国科学院长春光学精密机械与物理研究所 | Secondary mirror supporting structure |
| CN111999838B (en) * | 2020-07-10 | 2022-03-25 | 中国科学院西安光学精密机械研究所 | Adjusting component for adjusting distance between connected pieces and connecting device |
| CN217085420U (en) * | 2020-12-30 | 2022-07-29 | 光红建圣股份有限公司 | Optical delayer |
| CN114063243A (en) * | 2021-11-30 | 2022-02-18 | 中国人民解放军63921部队 | Vehicle-mounted meter-grade caliber reflector system and manufacturing method thereof |
| CN116360062B (en) * | 2023-05-31 | 2023-08-15 | 季华实验室 | Adjustable optical lens seat |
| CN116577897B (en) * | 2023-07-12 | 2023-09-05 | 长春理工大学 | Two-dimensional angle adjusting mechanism |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0659181A (en) * | 1992-07-08 | 1994-03-04 | Kawasaki Heavy Ind Ltd | Laser light reflecting mirror device for laser machining device |
| JP4306031B2 (en) * | 1999-07-02 | 2009-07-29 | 株式会社Ｉｈｉ | Optical element angle adjustment device for optical equipment |
| DE10026541A1 (en) * | 2000-05-27 | 2001-11-29 | Zeiss Carl | Device for the precise positioning of a component, in particular an optical component |
| CN2478132Y (en) * | 2000-10-23 | 2002-02-20 | 中国科学院南京天文仪器研制中心 | Fixing regulator of optical reflector |
| CN102540403B (en) * | 2012-02-29 | 2013-07-10 | 中国科学院西安光学精密机械研究所 | Primary mirror installation adjustment mechanism |
| CN105093477A (en) * | 2015-09-17 | 2015-11-25 | 天津港东科技发展股份有限公司 | Reflecting mirror multidimensional adjusting device |
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2016
- 2016-12-08 CN CN201611121347.7A patent/CN106383397B/en active Active
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| CN106383397A (en) | 2017-02-08 |
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