CN106773002A - Suitable for the motor-driven lenses lid arrangement of autocollimator - Google Patents
Suitable for the motor-driven lenses lid arrangement of autocollimator Download PDFInfo
- Publication number
- CN106773002A CN106773002A CN201611122523.9A CN201611122523A CN106773002A CN 106773002 A CN106773002 A CN 106773002A CN 201611122523 A CN201611122523 A CN 201611122523A CN 106773002 A CN106773002 A CN 106773002A
- Authority
- CN
- China
- Prior art keywords
- swivelling chute
- gear wheel
- lens cap
- outer cylinder
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/16—Housings; Caps; Mountings; Supports, e.g. with counterweight
Abstract
Suitable for the motor-driven lenses lid arrangement of autocollimator, it is related to a kind of telescope cranial device, solve existing telescope skull structure and exist to take up room and weight is larger, cause to there are problems that the rigidity of structure of telescope, including the outer cylinder base of lens cap, diaphragm piece component, swivelling chute gear wheel, base plate, DC speed-reducing, spring, small bearing and limit switch and adjustment seat, diaphragm piece component is arranged on outside lens cap between cylinder base and swivelling chute gear wheel, its one end is rotated around the outer cylinder base cylindrical hole of lens cap, the other end is slided along swivelling chute gear wheel rectangular channel, DC speed-reducing drives swivelling chute bull gear drive, swivelling chute gear wheel drives diaphragm piece component to launch or shrink, complete the closure or opening of motor-driven lenses lid；Apparatus structure of the present invention is simple, and automatically controlled to be easily achieved, good appearance is lightweight, is easily installed and dismantles, it is adaptable to the protection cap field of autocollimator.
Description
Technical field
The present invention relates to a kind of telescope cranial device, and in particular to a kind of electronic mirror suitable for autocollimator
Cranial device.
Background technology
Reflective tracking telescope lens, typically in 150mm~700mm, telescope is in the inoperative phase for clear aperture
Between, if its internal primary and secondary mirror is exposed in external environment condition for a long time, minute surface can pile up fine particle and dust, will influence light
The reflectivity of element is learned, the observing capacity of telescope as a result can be reduced, it is therefore desirable to lens cap device is added before camera lens to protect
Shield telescope internal optical component.
The features such as traditional manual lens cap has small volume, lightweight, reliability is high, but its application have it is certain
Limitation, if telescope lens are arranged on higher position or operating personnel's inconvenience manually operated telescope, i.e. inconvenience uses hand
Index glass cranial device.By the access to pertinent literature, telescope motor-driven lenses lid mainly has roller shutter type, cover-plate type, petal type,
, typically using forms such as turbine and worm, pneumatic, hydraulic pressure, mechanical structure is all more heavy, takes up room and weight for its drive form
It is larger, the front end of lens cone for telescope is installed in, the rigidity of structure to telescope will affect.
The content of the invention
The present invention is that solution takes up room because existing telescope skull structure is present and weight is larger, causes isologue
The rigidity of structure of remote mirror be present, there is provided a kind of motor-driven lenses lid arrangement suitable for autocollimator.
Suitable for the motor-driven lenses lid arrangement of autocollimator, including the outer cylinder base of lens cap, multigroup diaphragm piece component, rotation
Turn trough gear wheel, little gear, base plate, DC speed-reducing, spring assembly, small bearing, fixture and two limit switches；
Every group of diaphragm piece component includes lower cylinder column, upper cylinder column and diaphragm piece, the upper cylinder column and lower cylinder column (18) riveting respectively
The upper and lower surface of diaphragm piece is connected on, the upper cylinder column loads in the cylindrical hole of the outer cylinder base of lens cap, and in cylindrical hole
Rotation, lower cylinder column loads in the rectangle elongated slot of swivelling chute gear wheel, and is slided in rectangular channel；
The little gear and swivelling chute gear wheel engaged transmission, DC speed-reducing are used for driving pinion, the direct current
Reducing motor is arranged on base plate；The spring assembly is uniformly placed in base plate endoporus, and is contacted with swivelling chute gear wheel,
The small bearing is uniformly embedded in swivelling chute gear wheel outside cylinder side and is fixed by fixture, the rolling ring and mirror of small bearing
The inner cylinder face contact of the outer cylinder base of skull, makes swivelling chute gear wheel be rotated in the outer cylinder base of lens cap；
Base plate is connected with the outer cylinder base of lens cap by Cross Recess Head Screw, and two limit switches are fixed on base plate
On；
In rotary course, swivelling chute gear wheel drives diaphragm piece one end around the cylindrical hole rotation of the outer cylinder base of lens cap, while
The other end of diaphragm piece is slided along the rectangular channel of swivelling chute gear wheel, after diaphragm piece is fully deployed, by limit switch
Limit signal, DC speed-reducing shuts down, and lens cap is in closure state；When lens cap is opened, DC speed-reducing
Antiport, swivelling chute gear wheel counter motion drives diaphragm piece to retract into inside the outer cylinder base of lens cap, by limit switch
Limit signal, DC speed-reducing shuts down, and lens cap is in open mode.
Beneficial effects of the present invention：Device of the present invention overcomes the shortcoming and limitation of current telescope skull,
And accomplish installation, convenient disassembly, it is specious
The opening and closing of lens cap drives swivelling chute bull gear drive by DC speed-reducing, so as to drive 18 groups of diaphragm pieces to beat
Open or shrink, driving structure is simple；Electrical equipment is embedded in inside lens cap, and electric-control method is simply easily achieved；Work as light
After late piece is contracted in lens cap, lens cap outer barrel as the whose forwardmost end portions of telescope cone, therefore can install lens cap
The length of lens cone for telescope will not additionally be increased；The external cylindrical surface of the outer cylinder base of lens cap is consistent with telescope cylinder size,
Its front end for being arranged on lens cone for telescope, one is formed with telescope, and appearance is succinctly attractive in appearance；The outer cylinder base of lens cap, swivelling chute
The structural members such as gear wheel, pressing plate use aluminium alloy structure, and lens cap is lightweight, is easily installed and dismantles.
Brief description of the drawings
Fig. 1 is a kind of motor-driven lenses lid arrangement front view suitable for autocollimator of the present invention；
Fig. 2 is the upward view of Fig. 1；
Fig. 3 is diaphragm piece component a kind of motor-driven lenses lid arrangement suitable for autocollimator of the present invention
Schematic diagram；
Fig. 4 is the top view of Fig. 3.
In figure：1st, the outer cylinder base of lens cap, 2, diaphragm piece component, 3, swivelling chute gear wheel, 4, little gear, 5, flat key, 6, bottom
Plate, 7, DC speed-reducing, 8, spring inner prop, 9, spring, 10, steel ball, 11, small bearing, 12, bearing inner ring catch, 13, bearing
Inner prop, 14, bearing clasp, 15, Cross Recess Head Screw, 16, limit switch, 17, limit switch adjustment seat, 18, lower cylinder column,
19th, upper cylinder column, 20, diaphragm piece.
Specific embodiment
Specific embodiment one, with reference to Fig. 1 to Fig. 4 illustrate present embodiment, it is adaptable to the electronic mirror of autocollimator
Cranial device, including lens cap outer cylinder base 1, diaphragm piece component 2, swivelling chute gear wheel 3, little gear 4, flat key 5, base plate 6, direct current
Reducing motor 7, spring assembly, small bearing 11, fixture, Cross Recess Head Screw 15, two limit switches 16 and limit switches
Adjustment seat 17.Be pressed against diaphragm piece component 2 on the outer cylinder base 1 of lens cap by the swivelling chute gear wheel 3, little gear 4 and swivelling chute
The engaged transmission of gear wheel 3, DC speed-reducing 7 is connected with little gear 4 using flat key 5, and DC speed-reducing 7 is arranged on base plate 6
On.
Spring assembly is uniformly placed in the corresponding endoporus of base plate 6, and is contacted with swivelling chute gear wheel 3, small bearing 11
Three are had, the outside cylinder side of swivelling chute gear wheel 3 is uniformly placed on and is cut in groove, small bearing 11 is solid by corresponding fixture
Fixed, the rolling ring of small bearing 11 is contacted with the inner cylinder face of the outer cylinder base 1 of lens cap, and base plate 6 passes through cross with the outer cylinder base 1 of lens cap
Groove pan head screw 15 is connected, and two limit switches 16 adjust seat 17 and are fixed on base plate 6 by limit switch respectively.
Diaphragm piece component 2 one described in present embodiment has 18 groups, uniformly overlays swivelling chute gear wheel and lens cap
Between outer cylinder base, every group of diaphragm piece component 2 includes lower cylinder column 18, upper cylinder column 19 and diaphragm piece 20,18 points of upper cylinder column 19, lower cylinder column
The upper and lower surface of diaphragm piece 20 is not riveted on, and upper cylinder column 19 loads in the cylindrical hole of the outer cylinder base 1 of lens cap, and it can be in circle
Rotation in post holes, lower cylinder column 18 loads in the corresponding rectangle elongated slot of swivelling chute gear wheel 3, and it can be slided in rectangular channel.
In present embodiment, the spring assembly is eight, and each includes spring inner prop 8, spring 9 and steel ball 10, wherein
Spring 9 is enclosed within spring inner prop 8, and steel ball 10 is placed on plane on spring inner prop 8, and is contacted with swivelling chute gear wheel 3.To make 18
Piece diaphragm piece does not loosen, and swivelling chute gear wheel 3 is extruded by the spring 8 and steel ball 10 that are placed in base plate 6, so that diaphragm piece
Between clamp to occur without gap, the external cylindrical surface of swivelling chute gear wheel 3 uniformly embedded three small bearings 11, the rolling of small bearing 11
Moving-coil is contacted with the inner cylinder face of the outer cylinder base 1 of lens cap, it is ensured that swivelling chute gear wheel 3 can be smooth in the outer cylinder base 1 of lens cap
Rotate.
In present embodiment, the fixture is also three groups, and every group includes bearing inner ring catch 12, bearing inner prop 13 and axle
Clasp 14 is held, each small bearing 11 is fixed by bearing inner ring catch 12, bearing inner prop 13 and bearing clasp 14.
The outer cylinder base 1 of lens cap described in present embodiment is the pedestal of motor-driven lenses lid, and it is connected and fixed on telescope
Lens barrel front end, is integrally formed with lens cone for telescope, used as the basis of lens cap open and close movement.
In present embodiment, the driving element of motor-driven lenses lid is DC speed-reducing 7, its driving pinion 4, by tooth
Wheel transmission, rotates swivelling chute gear wheel 3, in the rotary course of swivelling chute gear wheel 3, drives 18 diaphragm piece components 2 to distinguish
Around 18 uniform cylindrical hole rotations of the outer cylinder base 1 of lens cap, while the other end of diaphragm piece component 2 is along swivelling chute gear wheel 3
Slided in rectangular channel, after 18 diaphragm pieces are fully deployed, by the limit signal of limit switch 16, DC speed-reducing 7 is stopped
Only operate, now lens cap is in closure state, when lens cap is opened, the antiport of DC speed-reducing 7, swivelling chute canine tooth
Taking turns 3 counter motions drives 18 diaphragm pieces to retract into inside the outer cylinder base 1 of lens cap, again by the spacing letter of limit switch 16
Number, DC speed-reducing 7 shuts down, and now lens cap is in open mode.
The outer cylinder base 1 of lens cap described in present embodiment uses three leaf frame structures, to ensure lens cap to telescope thang-kng
In the range of do not block, the diameter of the outer intermediate cylindrical of cylinder base 1 of lens cap is identical with the diameter dimension of autocollimator secondary mirror,
Due to the limitation of structure type, diaphragm piece is middle after being fully deployed to be had motor-driven lenses lid described in present embodiment
One circular open, it is impossible to completely enclosed, drives it makes use of the architectural characteristic of autocollimator, i.e. swivelling chute gear wheel 3
18 diaphragm pieces are expanded in the intermediate cylindrical of the outer cylinder base 1 of lens cap, you can complete closure state.
A kind of motor-driven lenses lid arrangement driving structure suitable for autocollimator described in present embodiment is simple, electricity
Control is easily achieved, and lens cap outer barrel will not can additionally increase lens cone for telescope as the whose forwardmost end portions of telescope cone
Length, lens cap outer barrel is consistent with telescope cylinder size, and one is formed with telescope, and appearance is succinctly attractive in appearance, lens cap
It is lightweight, it is easily installed and dismantles.Autocollimator protection cap field of the present invention suitable for lens cone type structure.
Claims (8)
1. suitable for the motor-driven lenses lid arrangement of autocollimator, including lens cap outer cylinder base (1), multigroup diaphragm piece component
(2), swivelling chute gear wheel (3), little gear (4), base plate (6), DC speed-reducing (7), spring assembly, small bearing (11), solid
Determine part and two limit switches (16), it is characterized in that；
Every group of diaphragm piece component (2) includes lower cylinder column (18), upper cylinder column (19) and diaphragm piece (20), the upper cylinder column (19) and under
Barrel mast (18) is riveted on the upper and lower surface of diaphragm piece (20) respectively, and the upper cylinder column (19) loads the outer cylinder base of lens cap
(1) in cylindrical hole, and rotated in cylindrical hole, lower cylinder column (18) loads in the rectangle elongated slot of swivelling chute gear wheel (3), and
Slided in rectangular channel；
The little gear (4) and swivelling chute gear wheel (3) engaged transmission, DC speed-reducing (7) for driving pinion (4),
The DC speed-reducing (7) is on base plate (6)；
The spring assembly is uniformly placed in base plate (6) endoporus, and is contacted with swivelling chute gear wheel (3), the small bearing
(11) be uniformly embedded in swivelling chute gear wheel (3) outside cylinder side and fixed by fixture, the rolling ring of small bearing (11) with
The inner cylinder face contact of the outer cylinder base (1) of lens cap, makes swivelling chute gear wheel (3) be rotated in the outer cylinder base (1) of lens cap；
Base plate (6) is connected with the outer cylinder base (1) of lens cap by Cross Recess Head Screw (15), and two limit switches (16) are solid
It is scheduled on base plate (6)；
In rotary course, swivelling chute gear wheel (3) drives diaphragm piece (20) one end around the cylindrical hole rotation of the outer cylinder base (1) of lens cap
Turn, while the other end of diaphragm piece (20) is slided along the rectangular channel of swivelling chute gear wheel (3), when diaphragm piece (20) is fully deployed
Afterwards, by the limit signal of limit switch (16), DC speed-reducing (7) shuts down, and lens cap is in closure state；Work as mirror
When skull is opened, DC speed-reducing (7) antiport, swivelling chute gear wheel (3) counter motion drives diaphragm piece (20) to shrink
Internal into the outer cylinder base (1) of lens cap, by the limit signal of limit switch (16), DC speed-reducing (7) shuts down, mirror
Skull is in open mode.
2. a kind of motor-driven lenses lid arrangement suitable for autocollimator according to claim 1, it is characterised in that institute
It is multiple to state spring assembly, and each spring assembly includes spring inner prop (8), spring (9) and steel ball (10), and spring (9) is enclosed within bullet
On spring inner prop (8), steel ball (10) is placed on spring inner prop (8) plane and is contacted with swivelling chute gear wheel (3).
3. a kind of motor-driven lenses lid arrangement suitable for autocollimator according to claim 1, it is characterised in that institute
It is three groups to state fixture, and every group of fixture includes bearing inner ring catch (12), bearing inner prop (13) and bearing clasp (14), described
Small bearing (11) is three groups, and small bearing (11) is uniformly embedded in swivelling chute gear wheel (3) outside cylinder side, every group small bearing (11)
By fixed including bearing inner ring catch (12), bearing inner prop (13) and bearing clasp (14).
4. a kind of motor-driven lenses lid arrangement suitable for autocollimator according to claim 1, it is characterised in that also
Seat (17) is adjusted including limit switch；Two limit switches (16) adjust seat (17) and are fixed on base plate by limit switch respectively
(6) on.
5. a kind of motor-driven lenses lid arrangement suitable for autocollimator according to claim 1, it is characterised in that also
Including flat key (5), described DC speed-reducing (7) is connected with little gear (4) using flat key (5).
6. a kind of motor-driven lenses lid arrangement suitable for autocollimator according to claim 1, it is characterised in that institute
State the outer cylinder base (1) of lens cap and use three leaf frame structures.
7. a kind of motor-driven lenses lid arrangement suitable for autocollimator according to claim 1, it is characterised in that institute
State lens cap outer cylinder base (1), swivelling chute gear wheel (3) and pressing plate and use aluminium alloy.
8. a kind of motor-driven lenses lid arrangement suitable for autocollimator according to claim 1, it is characterised in that institute
The external cylindrical surface for stating the outer cylinder base (1) of lens cap is consistent with telescope cylinder size, by the outer cylinder base (1) of lens cap installed in telescope
The front end of lens barrel forms one with telescope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611122523.9A CN106773002B (en) | 2016-12-08 | 2016-12-08 | Motor-driven lens lid arrangement suitable for autocollimator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611122523.9A CN106773002B (en) | 2016-12-08 | 2016-12-08 | Motor-driven lens lid arrangement suitable for autocollimator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106773002A true CN106773002A (en) | 2017-05-31 |
| CN106773002B CN106773002B (en) | 2019-04-16 |
Family
ID=58877344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611122523.9A Active CN106773002B (en) | 2016-12-08 | 2016-12-08 | Motor-driven lens lid arrangement suitable for autocollimator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106773002B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110376823A (en) * | 2019-06-25 | 2019-10-25 | 中国科学院长春光学精密机械与物理研究所 | A kind of camera secondary mirror end structure with telescopic lens cap |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2629055Y (en) * | 2003-05-30 | 2004-07-28 | 中国科学院长春光学精密机械与物理研究所 | Electric turning lens cover used in observation telescope |
| US20100158502A1 (en) * | 2008-12-24 | 2010-06-24 | Canon Kabushiki Kaisha | Image pickup apparatus and lens device |
| CN102495465A (en) * | 2011-12-12 | 2012-06-13 | 中国科学院长春光学精密机械与物理研究所 | Novel foldable electric lens cover applicable to polar axis type telescope |
-
2016
- 2016-12-08 CN CN201611122523.9A patent/CN106773002B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2629055Y (en) * | 2003-05-30 | 2004-07-28 | 中国科学院长春光学精密机械与物理研究所 | Electric turning lens cover used in observation telescope |
| US20100158502A1 (en) * | 2008-12-24 | 2010-06-24 | Canon Kabushiki Kaisha | Image pickup apparatus and lens device |
| CN102495465A (en) * | 2011-12-12 | 2012-06-13 | 中国科学院长春光学精密机械与物理研究所 | Novel foldable electric lens cover applicable to polar axis type telescope |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110376823A (en) * | 2019-06-25 | 2019-10-25 | 中国科学院长春光学精密机械与物理研究所 | A kind of camera secondary mirror end structure with telescopic lens cap |
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| Publication number | Publication date |
|---|---|
| CN106773002B (en) | 2019-04-16 |
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