CN105484616B - A kind of capstan head optical window - Google Patents
A kind of capstan head optical window Download PDFInfo
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- CN105484616B CN105484616B CN201510889214.3A CN201510889214A CN105484616B CN 105484616 B CN105484616 B CN 105484616B CN 201510889214 A CN201510889214 A CN 201510889214A CN 105484616 B CN105484616 B CN 105484616B
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- hinge
- capstan head
- center
- optical window
- driving lever
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Abstract
The present invention relates to a kind of capstan head optical window.Capstan head optical window includes capstan head center and optical window protection device; the protection device includes drive mechanism and the executing agency for being fixed on capstan head center; executing agency includes baffle plate and the driving lever, the first follower lever and two second follower levers that are respectively hinged on baffle plate; the driving lever is hinged on the side of the center; first follower lever is hinged on the offside of driving lever on center; two second follower levers are respectively hinged at the side of the driving lever on center and the side of the first follower lever, and the drive mechanism is connected by worm-and-wheel gear and driving lever.Capstan head center is improved, the sealing of guarantee capstan head internal environment, each bar is hinged on center in linkage, is not interfered capstan head inner space, optical window protection device is isolated with capstan head internal part;Drive mechanism is crossed worm-and-wheel gear and is connected with driving lever, can realize random auto-lock function, protection device operating is stable, can reliably protect optical window.
Description
Technical field
The present invention relates to a kind of capstan head optical window.
Background technology
Because capstan head optical window is more and compact-sized, few using space, difficulty is added for the design of protection device.
The implementation of domestic and international optical window protection mechanism, typically there are collected type, cam-type and fixed three kinds.Collected type protection mechanism,
When needing to protect optical window, turret rotated is nearby protected to a certain structural member, be passive protection, this mode
Easily accumulate dust between capstan head and guard member, and due to needing to take into account the range of movement of capstan head, protection device is fixed on more
On orientation housing, dust, gravel easily leak into from upside, and protecting effect is bad.The sphere of action of cam-type protection mechanism is smaller,
Suitable for the small-sized monochromatic light window component such as camera.Fixed protection mechanism is arranged in carrier vehicle more, when needing to carry out protection behavior
When, instruction is sent by carrier vehicle control system and rises baffle plate, this protection mechanism is difficult in any case independently of turret assembly
Meet design requirement, fluctuation of service, sealing property is general.
The content of the invention
It is an object of the invention to provide a kind of capstan head optical window that can reliablely and stablely protect optical window.
To achieve the above object, the technical scheme of capstan head optical window of the invention is:Capstan head optical window includes capstan head center and light
Window protection device, the protection device include drive mechanism and the executing agency for being fixed on capstan head center, executing agency
It is hinged including baffle plate and the driving lever, the first follower lever and two second follower levers, the driving lever that are respectively hinged on baffle plate
In the side of the center, first follower lever is hinged on the offside of driving lever on center, and two second follower levers are cut with scissors respectively
The side for the driving lever being connected on center and the side of the first follower lever, the drive mechanism pass through worm-and-wheel gear and active
Bar is connected.
The drive mechanism includes servomotor, and servomotor is connected with the angle measurement for measuring executing agency's rotational angle
Mechanism, angle measurement mechanism export measurement data to the control module of servomotor.
Worm-and-wheel gear drives driving lever to rotate by the first hinge, and the first mounting hole is offered on the center, the
One hinge is arranged in the first mounting hole by clutch shaft bearing, is set with the first hinge dynamic between driving lever and center
Bushing and the first static pressure lid for covering the first mounting hole, dynamic bushing are located on the outside of clutch shaft bearing, and the first static pressure lid is positioned at dynamic
The outside of bushing, it is dynamic that labyrinth seal and movable sealing structure are provided between bushing and the first static pressure lid.
The pedestal for installing drive mechanism is fixed with the inside of center, the first hinge is arranged on pedestal;On first hinge
Two clutch shaft bearings are installed, the spacer ring of axial direction is provided between two clutch shaft bearings.
The center is provided with the second mounting hole, and the second hinge being fixedly connected with the first follower lever is arranged on the second installation
Kong Zhong, be set with successively from inside to outside on the second hinge second bearing, bearing trim ring and for covering the second mounting hole second
Static pressure lid, the first follower lever are located at the outside of the second static pressure lid, between bearing trim ring and the second static pressure lid be provided with dynamic seal ring and
Static seal structure.
Second hinge includes outer small interior big ladder section, and second bearing is fixed at the step of ladder section, bearing pressure
Circle and the second static pressure lid are sleeved in the path section of ladder section;Second hinge is provided with internal thread hole, the first follower lever by with
The bearing pin of screw thread is fixed on the second hinge.
The center is provided with the 3rd mounting hole, and the 3rd hinge being fixedly connected with the second follower lever is arranged on the 3rd installation
Kong Zhong, the 3rd static pressure for being used to cover the 3rd mounting hole being set with the 3rd hinge between the second follower lever and center
Lid, gap coordinates between the 3rd static pressure lid and the 3rd hinge.
3rd hinge is provided with axially extending bore and radially fixed hole, and the pin with radial perforation is equipped with radially fixed hole
Nail, the second follower lever are worn by being bolted on the 3rd hinge through axially extending bore, the radial direction of the bolt through pin
Hole.
Driving lever, the first follower lever and the second follower lever are hinged on baffle plate by the 4th hinge, the 4th hinge and gear
Bushing is provided between plate, bushing is fixed on baffle plate, and bushing has a throat structure, and the 4th hinge the tip of the axis, which is provided with, to be used for and necking
The necking segment that structure block coordinates, the lock pin for preventing that the 4th hinge from coming off from bushing is radially coated with necking segment.
The servomotor is connected with Hall component.
The beneficial effects of the invention are as follows:The present invention is improved to capstan head center, sets optical window protection device, ensures capstan head
The sealing of internal environment, each bar is hinged on center in linkage, is not interfered capstan head inner space, is made optical window protection device
Isolate with capstan head internal part;Drive mechanism is crossed worm-and-wheel gear and is connected with driving lever, can realize random self-locking work(
Can, protection device operating is stable, can reliably protect optical window.
Further, servo driving function is realized using servomotor, angle measurement mechanism exports measurement data to servo electricity
The control module of machine, it ensure that optical window protection device correctly reliably operates.
Further, labyrinth seal and dynamic sealing are designed, ensure that drive mechanism and the sealing of clutch shaft bearing.
Further, Hall component is set, ensures that optical window protection device operates steadily efficiently.
Brief description of the drawings
Fig. 1 is the schematic diagram of capstan head optical window of the present invention;
Fig. 2 is driving lever and the first follower lever and the sectional view of center hinged place in Fig. 1;
Fig. 3 is the second follower lever and the sectional view of center hinged place in Fig. 1;
Fig. 4 is each bar and the sectional view at panel hinge in Fig. 1;
Fig. 5 is the zoomed-in view of the installation shafting of driving lever at D in Fig. 2;
Fig. 6 is the zoomed-in view of the installation shafting of the first follower lever at E in Fig. 2;
Fig. 7 is the zoomed-in view of the installation shafting of the second follower lever at F in Fig. 3;
Fig. 8 is the zoomed-in view of the installation shafting of connecting rod and baffle plate at G in Fig. 4;
Fig. 9 is the scheme of installation of Hall component and cushion blocking.
Embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The specific embodiment of the capstan head optical window of the present invention, as shown in Figures 1 to 9, capstan head optical window includes capstan head center 7 and light
Window protection device, optical window protection device include drive mechanism and the executing agency for being fixed on capstan head center 7, drive mechanism
Including servomotor 5, servomotor 5 is connected with the angle measurement mechanism for measuring executing agency's rotational angle, and angle measurement mechanism includes
Angle measurement element, angle measurement mechanism export measurement data to the control module of servomotor.Executing agency includes baffle plate 4 and by respectively
The linkage that driving lever 1, the first follower lever 2 and two second follower levers 3 being hinged on baffle plate 4 form.Baffle plate 4 is used to protect
Optical window is protected, wake flame, gravel, dust and sunshade can be blocked.Driving lever 1 is hinged on the side of center by the first hinge 10, the
One follower lever 2 is hinged on the offside of driving lever 1 on center 7 by the second hinge 20, and two second follower levers 3 pass through the 3rd respectively
Hinge 30 is hinged on the side of driving lever 1 and the side of the first follower lever 2, drive mechanism on center 7 and passes through worm-and-wheel gear 6
It is connected with driving lever 1, in the present embodiment, angle measurement element uses code-disc, and the gearratio of worm-and-wheel gear is 1:7~1:10
In the range of.
As shown in figure 5, motor 5 is arranged on pedestal 52 with motor bushing 51, pedestal 52 is fixed on the inner side of center 7.Electricity
Turning moment is transferred to the first hinge 10 by machine by worm-and-wheel gear 6, drives driving lever 1 to rotate by the first hinge 10.
In the installation shafting of driving lever 1, the first hinge 10 is installed in rotation on pedestal 52 by pad and the first bushing.First
Hinge 10 is arranged in the first mounting hole opened up on center 7 by clutch shaft bearing 11, because the first hinge 10 is longer, the first hinge
Two clutch shaft bearings 11 are installed on axle 10, the spacer ring 14 of axial direction is provided between two clutch shaft bearings 11.The end of first hinge 10
End is set with the dynamic bushing 12 between driving lever 1 and center 7 and the first static pressure lid 13 for covering the first mounting hole, moves
Bushing 12 is located at the outside of clutch shaft bearing 11, and the first static pressure lid 13 is located at the outside of dynamic bushing 12, to ensure sealing property, moves bushing
12 and first are provided with labyrinth seal and movable sealing structure between static pressure lid 13.
As shown in fig. 6, being provided with the second mounting hole for being used for installing the second hinge 20 on center 7, the second mounting hole is heavy
Hole.In the installation shafting of first follower lever 2, second bearing 22, bearing trim ring are set with the second hinge 20 successively from inside to outside
23 and for covering the second static pressure lid 24 of the second mounting hole, the first follower lever 2 is located at the outside of the second static pressure lid 24, bearing pressure
Dynamic seal ring and static seal structure are provided between the static pressure lid 24 of circle 23 and second.Second hinge 20 includes outer small interior big ladder
Section, second bearing 22 are fixed at the step of ladder section, and the static pressure lid 24 of bearing trim ring 23 and second is sleeved on the path of ladder section
Duan Shang.Second hinge 20 is provided with internal thread hole, and the first follower lever 2 is fixed on the second hinge 20 by screwed bearing pin 21
On.
As shown in fig. 7, center 7 is provided with the 3rd mounting hole for being used for installing the 3rd hinge 30, the 3rd mounting hole is counterbore.
In the installation shafting of second follower lever 3, it is set with the 3rd hinge 30 and is used to hide between the second follower lever 3 and center 7
3rd static pressure lid 31 of the mounting hole of lid the 3rd, gap coordinates between the 3rd static pressure lid 31 and the 3rd hinge 30.3rd static pressure lid 31
Provided with the step moved inward for the static pressure lid 31 of block the 3rd, the 3rd hinge 30 is provided with axially extending bore and radially fixed hole,
The pin 33 with radial perforation is equipped with radially fixed hole, the second follower lever 3 is solid by the bolt 32 through axially extending bore
It is scheduled on the 3rd hinge 30, bolt 32 passes through the radial perforation of pin 33, can prevent the installation shafting componentses of the second follower lever 3
Vertically move.
As shown in figure 8, the installation shafting of connecting rod and baffle plate 4, each bar in linkage(Such as the second follower lever 3)Pass through the 4th
Hinge 40 is hinged on baffle plate 4, and bushing 41 is provided between the 4th hinge 40 and baffle plate 4, and bushing 41 is fixed on baffle plate 4, bushing
41 have a throat structure, and the end of the 4th hinge 40 is provided with the necking segment for being used for coordinating with throat structure block, footpath in necking segment
To being coated with the lock pin 42 that prevents that the 4th hinge 40 from coming off from bushing 41.
As shown in figure 9, being provided with Hall component 8 and beam 9 on the front shroud of capstan head optical window, Hall component ensures
Optical window protection device is slowed down until stopping in place, and beam ensures that device steadily stops and prevents from damaging front shroud, its
4 ~ 10mm of middle beam protrusion front shroud.
In the present invention, capstan head center is improved, optical window protection device is isolated with capstan head internal sensor part,
It ensure that the sealing of capstan head internal environment.Worm-and-wheel gear can realize the random auto-lock function of protection device, coordinate control
System command processed, ensure the steady Effec-tive Function of protection device.Precision is configured with the support shafting of driving lever and the first follower lever
Higher bearing and corresponding sealing structure, rotating accuracy and sealing property are improved, is adopted in the support shafting of the second follower lever
With the relatively low hinge arrangement of precision.Wherein, labyrinth seal and dynamic sealing are designed, ensure that the sealing of drive mechanism and clutch shaft bearing
Property.Designed entirely through configuration, driven Design, Seal Design, optical window protection mechanism temperature, accurate operating can not only be ensured,
And it disclosure satisfy that capstan head inner sealing performance requirement.
Claims (10)
1. capstan head optical window, including capstan head center and optical window protection device, it is characterised in that:The protection device includes drive mechanism
With the executing agency for being fixed on capstan head center, executing agency include baffle plate and be respectively hinged on baffle plate driving lever,
First follower lever and two second follower levers, the driving lever are hinged on the side of the center, and first follower lever is hinged
The offside of driving lever on center, two second follower levers are respectively hinged at side and the first follower lever of the driving lever on center
Side, the drive mechanism passes through worm-and-wheel gear and driving lever and is connected.
2. capstan head optical window according to claim 1, it is characterised in that:The drive mechanism includes servomotor, servo electricity
Machine is connected with the angle measurement mechanism for measuring executing agency's rotational angle, and angle measurement mechanism exports measurement data to servomotor
Control module.
3. capstan head optical window according to claim 1 or 2, it is characterised in that:Worm-and-wheel gear is driven by the first hinge
Driving lever is rotated, and the first mounting hole is offered on the center, and the first hinge is arranged in the first mounting hole by clutch shaft bearing,
The dynamic bushing being set with first hinge between driving lever and center and the first static pressure lid for covering the first mounting hole,
Dynamic bushing is located on the outside of clutch shaft bearing, and the first static pressure lid is located at the outside of dynamic bushing, dynamic to be provided between bushing and the first static pressure lid
Labyrinth seal and movable sealing structure.
4. capstan head optical window according to claim 3, it is characterised in that:It is fixed with the inside of center for installing drive mechanism
Pedestal, the first hinge are arranged on pedestal;Two clutch shaft bearings are installed on the first hinge, axle is provided between two clutch shaft bearings
To spacer ring.
5. capstan head optical window according to claim 1 or 2, it is characterised in that:The center is provided with the second mounting hole, with
The second hinge that one follower lever is fixedly connected is arranged in the second mounting hole, and second is set with successively from inside to outside on the second hinge
Bearing, bearing trim ring and the second static pressure lid for covering the second mounting hole, the first follower lever are located at the outside of the second static pressure lid,
Dynamic seal ring and static seal structure are provided between bearing trim ring and the second static pressure lid.
6. capstan head optical window according to claim 5, it is characterised in that:Second hinge includes outer small interior big ladder
Section, second bearing are fixed at the step of ladder section, and bearing trim ring and the second static pressure lid are sleeved in the path section of ladder section;The
Two hinges are provided with internal thread hole, and the first follower lever is fixed on the second hinge by screwed bearing pin.
7. capstan head optical window according to claim 1 or 2, it is characterised in that:The center is provided with the 3rd mounting hole, with
The 3rd hinge that two follower levers are fixedly connected be arranged on the 3rd mounting hole in, be set with the 3rd hinge positioned at the second follower lever with
The 3rd static pressure lid for being used to cover the 3rd mounting hole between center, gap coordinates between the 3rd static pressure lid and the 3rd hinge.
8. capstan head optical window according to claim 7, it is characterised in that:3rd hinge is provided with axially extending bore and radially fixed
Hole, the pin with radial perforation is equipped with radially fixed hole, the second follower lever is fixed by the bolt through axially extending bore
On the 3rd hinge, the bolt passes through the radial perforation of pin.
9. capstan head optical window according to claim 1 or 2, it is characterised in that:Driving lever, the first follower lever and the second follower lever
It is hinged on by the 4th hinge on baffle plate, bushing is provided between the 4th hinge and baffle plate, bushing is fixed on baffle plate, bushing tool
There is throat structure, the 4th hinge the tip of the axis is provided with the necking segment for being used for coordinating with throat structure block, radially installed in necking segment
There is the lock pin for preventing that the 4th hinge from coming off from bushing.
10. capstan head optical window according to claim 2, it is characterised in that:The servomotor is connected with Hall component.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510889214.3A CN105484616B (en) | 2015-12-07 | 2015-12-07 | A kind of capstan head optical window |
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CN201510889214.3A CN105484616B (en) | 2015-12-07 | 2015-12-07 | A kind of capstan head optical window |
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CN105484616A CN105484616A (en) | 2016-04-13 |
CN105484616B true CN105484616B (en) | 2017-11-14 |
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CN201510889214.3A Active CN105484616B (en) | 2015-12-07 | 2015-12-07 | A kind of capstan head optical window |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2732418Y (en) * | 2004-10-14 | 2005-10-12 | 东华机械有限公司 | Computerized numerical control turret punch press |
CN201703325U (en) * | 2010-06-21 | 2011-01-12 | 福建福光数码科技有限公司 | Airborne turret with built-in CCD camera and forward-looking infrared device |
CN103617312A (en) * | 2013-11-19 | 2014-03-05 | 长春设备工艺研究所 | Fast accurate photoelectric axis system balancing system |
CN103847975A (en) * | 2014-03-19 | 2014-06-11 | 中国航空工业集团公司北京航空制造工程研究所 | Embedding type airborne photoelectric turret and aircraft |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9127505B2 (en) * | 2014-02-04 | 2015-09-08 | Edward Wayne, Inc. | Plate for protecting door edge adjacent hardware |
-
2015
- 2015-12-07 CN CN201510889214.3A patent/CN105484616B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2732418Y (en) * | 2004-10-14 | 2005-10-12 | 东华机械有限公司 | Computerized numerical control turret punch press |
CN201703325U (en) * | 2010-06-21 | 2011-01-12 | 福建福光数码科技有限公司 | Airborne turret with built-in CCD camera and forward-looking infrared device |
CN103617312A (en) * | 2013-11-19 | 2014-03-05 | 长春设备工艺研究所 | Fast accurate photoelectric axis system balancing system |
CN103847975A (en) * | 2014-03-19 | 2014-06-11 | 中国航空工业集团公司北京航空制造工程研究所 | Embedding type airborne photoelectric turret and aircraft |
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