CN106405786A - Large aperture reflector applied cleaning adjustable sealing device - Google Patents
Large aperture reflector applied cleaning adjustable sealing device Download PDFInfo
- Publication number
- CN106405786A CN106405786A CN201611121518.6A CN201611121518A CN106405786A CN 106405786 A CN106405786 A CN 106405786A CN 201611121518 A CN201611121518 A CN 201611121518A CN 106405786 A CN106405786 A CN 106405786A
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- Prior art keywords
- ring
- fixed
- retainer ring
- guide
- axis
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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
- G02B7/183—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
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- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Astronomy & Astrophysics (AREA)
- Sustainable Development (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Telescopes (AREA)
Abstract
The invention provides a large aperture reflector applied cleaning adjustable sealing device which relates to the technical field of large aperture telescope cleaning and aims to solve the problems in the prior art of cleaning a large aperture telescope that in the cleaning process, the internal hydraulic or electronic components might be damaged and that contaminant residuals remain in the reflector chamber. The device comprises a top fixing ring, an upper baffle plate, a lower baffle plate, a lower baffle fixing ring, a seal ring fixing ring, an inner aperture sealing ring, an adjusting screw fixing ring, an adjusting screw, a top plate, a bottom plate, a reinforced structure, an outer ring sealing ring, a direction guiding shaft, an adjusting screw nut, a top cover, a motion stopping ring, an upper sleeve cylinder, a connection plate, a lower sleeve cylinder, a spring and a base. According to the structural characteristics of the telescope, a cleaning adjustable sealing device is mounted in the gap between the main reflector and the reflector chamber so as to prevent dry ice and cleaning agent from contaminating the hydraulic or electronic components inside the reflector chamber during their use. The structure of the device is simple and compact enough to provide reliable performances. The device can device can be applied to large aperture telescopes.
Description
Technical field
The present invention relates to heavy caliber ground telescope cleaning technique field is and in particular to one kind is applied to large caliber reflecting mirror
Cleaning sealing device with adjustable.
Background technology
With astronomical and space technology development, it is extremely remote, very dark weak to observe that large aperture telescope is competitively studied by various countries
Celestial body.The observation of these celestial bodies is in addition to needing telescope and having bigbore principal reflection mirror in addition it is also necessary to reflecting mirror has pole
High reflectance.And principal reflection mirror in observation directly exposed in an atmosphere, be easily subject to air-borne dust, dew, nature
The corroding it is difficult to keep good light collecting light ability with resolution it is therefore desirable to periodically enter to minute surface for a long time of the polluter such as dust
Row cleaning.
Large-scale astronomical telescope mainly has dry ice cleaning mode and abluent cleaning mode, the Cleaning principle of dry ice at present
It is the impulsive force being produced using Solid dry ice granule high-speed motion, make filthy cracking and distillation institute in conjunction with the extremely low temperature of dry ice itself
The expansion producing, to realize the removal of body surface pollutant.Due to principal reflection mirror, generally and there is certain gap in mirror cell, at a high speed
Dry ice particles, possibly through gap entrance mirror cell, cause to mirror cell's internal hydraulic pressure or electronic device to damage, simultaneously in dry ice liter
Pollutant are stayed mirror cell by Hua Houhui.The Cleaning principle of abluent is to be carried out in reflecting mirror spray abluent.Equally, this side
Method there is a possibility that abluent passes through the gap entrance mirror cell of principal reflection mirror and mirror cell, and the hydraulic pressure within mirror cell or electronic device are made
Become to damage.
Content of the invention
The present invention is to solve to easily cause to mirror cell's internal hydraulic pressure or electricity in the existing cleaning process to large aperture telescope
Sub- device causes to damage, and the problems such as pollutant remain in mirror cell, provides a kind of adjustable cleaning for large caliber reflecting mirror
Sealing device.
The adjustable cleaning sealing device of large caliber reflecting mirror, its technical scheme is to be sealed with outer ring by endoporus sealing mechanism
Mechanism is constituted.Described endoporus sealing mechanism is fixed by top retainer ring, overhead gage, lower baffle plate, lower baffle plate retainer ring, sealing ring
Ring, endoporus sealing ring, adjusting screw retainer ring, adjusting screw are constituted；Described top retainer ring is fixed on the mirror of central hole
In cylinder, described overhead gage is fixed in the retainer ring of top, and described lower baffle plate is fixed on mirror cell by lower baffle plate retainer ring, described
Endoporus sealing ring be connected with sealing ring retainer ring, described lower baffle plate retainer ring, sealing ring retainer ring and adjusting screw are fixed
Ring is sequentially connected.Described outer ring sealing mechanism is made up of outer shroud baffle plate, adjustable supporting dagger；Described outer shroud baffle plate by top board,
Base plate, reinforcement structure, outer ring sealing ring are constituted；Described adjustable supporting dagger by the axis of guide, adjusting nut, top cover, stop baffle ring,
Upper bush, connecting plate, lower sleeve, spring, base composition；Described top board is connected with base plate；Described reinforcement structure connects respectively
In top board and back plate connections；The described axis of guide is threadeded with adjusting nut；Described top cover is fixed on axis of guide top；
Described stop baffle ring is fixed on the axis of guide, and described upper bush is fixed on connecting plate, and described spring housing is in the axis of guide
Upper two ends respectively with lower sleeve, base contacts；Described adjustable supporting dagger is connected with base plate by connecting plate；
Beneficial effects of the present invention：Cleaning device of the present invention is applied to the cleaning of ground large aperture telescope, to clear
Mirror cell's internal hydraulic pressure during washing or electronic devices and components play a protective role.Sealing device of the present invention need to be in telescope
Depart from minute surface during normal work, sealed in cleaning, therefore be designed to tunable arrangement；On the other hand, in principal reflection mirror outer ring
And endoporus all has the gap with mirror cell, therefore should there is sealing device at outer ring endoporus two respectively in design.Concrete exist with
Lower advantage：
First, endoporus sealing mechanism adopts dual-layered baffle plate to design, and effectively prevents pollutant from entering inside mirror cell.
2nd, using longer adjusting screw, compact conformation is so that user can be in principal reflection mirror endoporus for endoporus sealing device
The regulation in less space, sealing device being risen or fallen, thus reach endoporus sealing ring to depart from principal reflection mirror or compression
The purpose of principal reflection mirror.
3rd, outer ring seal device is carried out apart from the height of principal reflection minute surface to outer ring sealing ring using spring and adjusting nut
Adjust, make full use of principal reflection mirror and mirror cell's gap space, simple and compact for structure, reliability is high.
Brief description
Fig. 1 is endoporus sealing mechanism and the outer ring sealing of large caliber reflecting mirror adjustable cleaning sealing mechanism of the present invention
Mechanism；
Fig. 2 is the endoporus sealing mechanism half sectional view of large caliber reflecting mirror adjustable cleaning sealing mechanism of the present invention；
Fig. 3 is the outer ring outer shroud gear half sectional view of large caliber reflecting mirror adjustable cleaning sealing mechanism of the present invention；
Fig. 4 is the outer ring adjustable supporting dagger half section of large caliber reflecting mirror adjustable cleaning sealing mechanism of the present invention
Figure.
In figure：1st, endoporus sealing mechanism, 2, outer ring sealing mechanism, 3, top retainer ring, 4, overhead gage, 5, lower baffle plate, 6,
Lower baffle plate retainer ring, 7, sealing ring retainer ring, 8, endoporus sealing ring, 9, adjusting screw retainer ring, 10, adjusting screw, 11 top boards,
12nd, base plate, 13, reinforcement structure, 14, outer ring sealing ring, 15, the axis of guide, 16, adjusting nut, 17, top cover, 18, stop baffle ring,
19th, upper bush, 20, connecting plate, 21, lower sleeve, 22, spring, 23, base.
Specific embodiment
Specific embodiment one, with reference to Fig. 1 to Fig. 4, present embodiment is described, for the adjustable cleaning of large caliber reflecting mirror
Sealing device, including endoporus sealing mechanism 1 and outer ring sealing mechanism 2.Endoporus sealing mechanism 1 by top retainer ring 3, overhead gage 4,
Lower baffle plate 5, lower baffle plate retainer ring 6, sealing ring retainer ring 7, endoporus sealing ring 8, adjusting screw retainer ring 9, adjusting screw 10 structure
Become；Described top retainer ring 3 is fixed on outside the lens barrel of principal reflection mirror central hole, and described overhead gage 4 is fixed on top
In retainer ring 3, described lower baffle plate 5 is fixed on mirror cell by lower baffle plate retainer ring 6, and described endoporus sealing ring 8 is solid with sealing ring
Determine ring 7 to connect, described lower baffle plate retainer ring 6, sealing ring retainer ring 7 are sequentially connected with adjusting screw retainer ring 9, described tune
Whole screw 10 is multiple, is threadedly attached on the screwed hole of adjusting screw retainer ring 9, and in adjusting screw 10 top card
Ring is stuck.
Adjustable supporting dagger composition shown in outer ring sealing mechanism 2 outer shroud baffle plate as shown in Figure 3, Fig. 4；Described outer shroud gear
Plate is made up of top board 11, base plate 12, reinforcement structure 13 and outer ring sealing ring 14；
Described adjustable supporting dagger is multiple, by the axis of guide 15, adjusting nut 16, top cover 17, stop baffle ring 18, upper bush
19th, connecting plate 20, lower sleeve 21, spring 22 and base 23 form；Described top board 11 is connected with base plate 12；Described reinforcement structure
13 are connected to top board 11 and base plate 12 junction；The described axis of guide 15 is threadeded with adjusting nut 16；Described top
Lid 17 is fixed on the axis of guide 15 top；Described stop baffle ring 18 is fixed on the axis of guide 15, and described upper bush 19 is fixed on
On connecting plate 20, described spring 22 is enclosed within two ends on the axis of guide 15 and is contacted with lower sleeve 21, base 23 respectively；Described adjustable supports
Post is connected with base plate 12 by connecting plate 20.
The work process of the adjustable cleaning sealing mechanism described in present embodiment is：When minute surface will be cleaned, first adjust simultaneously
Whole multiple adjusting screw 10 makes endoporus sealing ring 8 and principal reflection mirror compression, then the adjustment simultaneously adjusting adjustable supporting dagger mechanism
Nut 16 makes overhead gage 4 decline and principal reflection mirror compression；After cleaning terminates, first adjust multiple adjusting screws 10 simultaneously
Endoporus sealing ring 8 is departed from principal reflection mirror, then the adjusting nut simultaneously adjusting the adjustable supporting dagger mechanism shown in multiple Fig. 4
16 make overhead gage 4 rise, and depart from principal reflection mirror.
According to telescope configuration feature, design scalable cleaning at principal reflection mirror with mirror cell gap seals present embodiment
Device, it is to avoid easy pollution mirror cell internal hydraulic pressure or the problem of electronic devices and components that dry ice, abluent cleaning way cause, structure
Simply compact, reliability is high.Can use on large aperture telescope, simultaneously the cleaning sealing device of the present invention have adjustable
Property, the sealing in cleaning, depart from telescope normal work, do not affect the observation of telescope.
Claims (3)
1. the adjustable cleaning sealing device of large caliber reflecting mirror, including endoporus sealing mechanism (1) and outer ring sealing mechanism (2), its
Feature is；
Described endoporus sealing mechanism (1) include top retainer ring (3), overhead gage (4), lower baffle plate (5), lower baffle plate retainer ring (6),
Sealing ring retainer ring (7), endoporus sealing ring (8) and adjusting screw retainer ring (9)；
Described top retainer ring (3) is fixed on outside the lens barrel of principal reflection mirror central hole, and described overhead gage (4) is fixed on top
In retainer ring (3), described lower baffle plate (5) is fixed in mirror cell by lower baffle plate retainer ring (6), described endoporus sealing ring (8) with
Sealing ring retainer ring (7) connects, described lower baffle plate retainer ring (6), sealing ring retainer ring (7) and adjusting screw retainer ring (9) according to
Secondary connection, described adjusting screw (10) is threadedly attached on the screwed hole of adjusting screw retainer ring (9), and in adjusting screw
(10) top is stuck with snap ring；
Described outer ring sealing mechanism (2) includes outer shroud baffle plate and adjustable supporting dagger；Described outer shroud baffle plate includes top board (11), base plate
(12), reinforcement structure (13) and outer ring sealing ring (14)；
Adjustable supporting dagger described in described adjustable supporting dagger is multiple, by the axis of guide (15), adjusting nut (16), top cover (17), stops
Dynamic baffle ring (18), upper bush (19), connecting plate (20), lower sleeve (21), spring (22 and base (23) composition；Described top board
(11) it is connected with base plate (12)；Described reinforcement structure (13) is connected to top board (11) and base plate (12) junction；Described
The axis of guide (15) is threadeded with adjusting nut (16)；Described top cover (17) is fixed on the axis of guide (15) top；Described stops
Dynamic baffle ring (18) is fixed on the axis of guide (15), and described upper bush (19) is fixed on connecting plate (20), described spring (22)
It is enclosed within the upper two ends of the axis of guide (15) to contact with lower sleeve (21), base (23) respectively；Described adjustable supporting dagger passes through connecting plate
(20) it is connected with base plate (12).
Described top board (11) is connected with base plate (12), and described reinforcement structure (13) is fixed on top board (11) and is connected with base plate (12)
Place；Described adjustable supporting dagger is connected with base plate (12).
Described outer ring sealing ring (14) is elastomeric material, is fixed on base plate (12) using natural resiliency.
2. the adjustable cleaning sealing device of large caliber reflecting mirror according to claim 1 is it is characterised in that described adjustable supporting
Dagger include the axis of guide (15), adjusting nut (16), top cover (17), stop baffle ring (18), upper bush (19), connecting plate (20),
Lower sleeve (21), spring (22) and base (23)；
The described axis of guide (15) is threadeded with adjusting nut (16)；Described top cover (17) is fixed on the axis of guide (15) top；Institute
State stop baffle ring (18) to be fixed on the axis of guide (15), described upper bush (18) is fixed on connecting plate (20), described spring
(22) it is enclosed within the axis of guide (15) above and two ends are contacted with lower sleeve (21) and base (23) respectively.
3. the adjustable cleaning sealing device of large caliber reflecting mirror according to claim 2 is it is characterised in that described reinforcement is tied
Structure (13) is multiple, is uniformly fixed on the junction of top board (11) and base plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611121518.6A CN106405786B (en) | 2016-12-08 | 2016-12-08 | Adjustable cleaning sealing device for large caliber reflecting mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611121518.6A CN106405786B (en) | 2016-12-08 | 2016-12-08 | Adjustable cleaning sealing device for large caliber reflecting mirror |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106405786A true CN106405786A (en) | 2017-02-15 |
| CN106405786B CN106405786B (en) | 2018-08-14 |
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ID=58084994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611121518.6A Active CN106405786B (en) | 2016-12-08 | 2016-12-08 | Adjustable cleaning sealing device for large caliber reflecting mirror |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106405786B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203217155U (en) * | 2013-04-12 | 2013-09-25 | 中国科学院西安光学精密机械研究所 | Large-caliber main reflector |
| EP2957941A2 (en) * | 2014-05-29 | 2015-12-23 | Raytheon Company | Primary mirror mount assembly and method |
| CN105259635A (en) * | 2015-11-17 | 2016-01-20 | 中国科学院长春光学精密机械与物理研究所 | Whiffletree support structure applied to statically determined support of large-aperture reflector |
-
2016
- 2016-12-08 CN CN201611121518.6A patent/CN106405786B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203217155U (en) * | 2013-04-12 | 2013-09-25 | 中国科学院西安光学精密机械研究所 | Large-caliber main reflector |
| EP2957941A2 (en) * | 2014-05-29 | 2015-12-23 | Raytheon Company | Primary mirror mount assembly and method |
| CN105259635A (en) * | 2015-11-17 | 2016-01-20 | 中国科学院长春光学精密机械与物理研究所 | Whiffletree support structure applied to statically determined support of large-aperture reflector |
Non-Patent Citations (2)
| Title |
|---|
| 《中国博士学位论文全文数据库 工程科技II辑》 * |
| 《激光与红外》 * |
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| Publication number | Publication date |
|---|---|
| CN106405786B (en) | 2018-08-14 |
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