CN209728304U - Missile-borne infrared double-view-field switching mechanism - Google Patents
Missile-borne infrared double-view-field switching mechanism Download PDFInfo
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- CN209728304U CN209728304U CN201920310448.1U CN201920310448U CN209728304U CN 209728304 U CN209728304 U CN 209728304U CN 201920310448 U CN201920310448 U CN 201920310448U CN 209728304 U CN209728304 U CN 209728304U
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- Prior art keywords
- electromagnet
- missile
- switching mechanism
- field switching
- swinging axle
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- 230000007246 mechanism Effects 0.000 title claims abstract description 50
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- 230000005291 magnetic effect Effects 0.000 claims abstract description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 230000005693 optoelectronics Effects 0.000 claims description 14
- 229910052742 iron Inorganic materials 0.000 claims description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 8
- 229920002635 polyurethane Polymers 0.000 claims description 8
- 239000004814 polyurethane Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims 1
- 230000000007 visual effect Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 7
- 239000005357 flat glass Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000012634 optical imaging Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
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- 230000035939 shock Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
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- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000003331 infrared imaging Methods 0.000 description 1
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- -1 poly- ammonia Ester Chemical class 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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Abstract
The utility model provides an infrared two visual field switching mechanism of missile-borne to solve current switching mechanism and can not satisfy the demand of fast switch over and the abominable mechanical environment of missile-borne. The mechanism comprises a driving component and a limiting component; the driving assembly comprises a rotary electromagnet, a base and a swinging shaft; the rotary electromagnet is arranged on the base through an electromagnet support, an output shaft of the rotary electromagnet is fixedly connected with a swinging shaft, and one end of the swinging shaft is fixedly connected with a zoom lens group; the limiting assembly comprises a magnetic locking unit and a mechanical locking unit; the magnetic locking unit comprises a ferromagnetic base and a power-off electromagnet, the ferromagnetic base is arranged on the oscillating shaft, the power-off electromagnet is arranged on the electromagnet support, and the power-off electromagnet is matched with the ferromagnetic base to lock the oscillating shaft; the mechanical locking unit comprises a spring plunger and a conical ball socket structural part, and the spring plunger is arranged on the swinging shaft; the conical ball socket structural part is matched with the spring plunger to realize the locking of the swing shaft.
Description
Technical field
The utility model relates to missile-borne double-view field infrared imaging load fields, and in particular to a kind of infrared double-view field of missile-borne is cut
It changes planes structure.
Background technique
The switch forms of big/small field of view are mainly divided to two classes in existing dual field-of-view infrared optical system: one kind is to pass through zoom
Microscope group and the variation for compensating microscope group axial spacing, and then change the focal length value of optical system to realize the switchings of different visual fields, this
Kind axial zoom form switching time is longer, equipment adjustment is more complex, and the number of lenses for participating in imaging is more, to system
Image quality, transmitance have a certain impact；Another kind of is to cut/cut out realization in optical system by zoom microscope group not
With the switching of visual field, this radial direction zoom form generallys use servo motor as driving element, is carried out by position sensor
Positioning, since the electrical time constant of servo motor is larger, starting is slower, therefore is unable to complete being switched fast for visual field, is easy
Lead to the loss that target is tracked when visual field switches, secondly as missile-borne mechanical environment is severe, limit form, which is not able to satisfy, to be needed
It asks.Therefore, a kind of quick response suitable for missile-borne environment is designed, the double-view field switching mechanism of high stability has great show
Sincere justice.
Utility model content
The utility model provides a kind of infrared double-view field switching machine of missile-borne using rotating electromagnet as driving element
Structure, which can be realized fast zoom, and add mechanical interlock mechanism using electric limit, mechanical position limitation, magnetic locking mechanism
Limit form, can adapt to the severe mechanical environment of missile-borne, not being able to satisfy visual field to solve existing switching mechanism is switched fast
And the demand of the severe mechanical environment of missile-borne.
The technical solution of the utility model is as follows:
A kind of infrared double-view field switching mechanism of missile-borne, including driving assembly and limit assembly；The driving component includes rotation
Turn electromagnet, pedestal, electromagnet support and swinging axle；The rotating electromagnet is arranged on the base by electromagnet support,
Output shaft is fixedly connected with swinging axle, and one end of the swinging axle is fixedly connected with zoom microscope group；The limit assembly includes magnetic
Power locking unit and mechanical locking unit；The magnetic locking unit includes that ferromagnetic seat and at least two groups lose power-type electromagnet,
The ferromagnetic seat is arranged on swinging axle, and the mistake power-type electromagnet is arranged on electromagnet support, and is located at ferromagnetic
The two sides of seat, the locking for losing power-type electromagnet and ferromagnetic seat cooperation realization swinging axle；The mechanical locking unit includes
Spring-loaded plunger and taper socket arrangement part, the spring-loaded plunger is arranged on swinging axle, including ball, spring, shell and locking
Nut is provided with installation cavity in the shell, and cavity front end is taper, and the locking nut is compressed ball by spring
In cavity front end；The taper socket arrangement part is fixed on the base, and concave groove is arranged, and the ball and concave groove match
It closes, realizes the locking of swinging axle.
Further, the driving component further includes clump weight, and the other end of swinging axle is arranged in the clump weight, and puts
The middle part of moving axis is fixedly connected with the output shaft of rotating electromagnet.The increase of clump weight is to keep the master of zoom microscope group center of gravity used
Property axis coincide with rotation axis, reduce zoom microscope group unbalanced centrifugal force when cutting/cutting out, so that zoom microscope group
Movement is steady.
Further, the limit assembly further includes mechanical position limitation unit, the mechanical position limitation unit include resilient cushion and
Limited block, the limited block setting is fixed on swinging axle, and is located at the two sides of ferromagnetic seat, and the resilient cushion is arranged in electricity
On magnet support, and it is located at the side for losing power-type electromagnet, the resilient cushion and limited block match, for reducing ferromagnetic seat
With the impact for losing power-type electromagnet.
Further, the material of the resilient cushion is polyurethane.
Further, the limit assembly further includes electric position-limiting unit, and the electricity position-limiting unit includes limit switch and opens
Baffle is closed, the switch baffle is arranged on swinging axle, and the limit switch is arranged on electromagnet support, the limit switch
To approach switch or optoelectronic switch.
Further, the output shaft of the rotating electromagnet is mounted in bearing block by bearing, and is exported shaft end and set
It is equipped with bearing (ball) cover, the bearing block is fixedly mounted on electromagnet support.
Further, the bearing is a pair of of angular contact bearing, and back-to-back installation, such matching method can guarantee bearing
It is able to bear from axial, the radial positive and negative angle stress of various aspects.
Further, the mistake power-type electromagnet is arranged on electromagnet support by support frame, and loses power-type electricity
Electromagnetism iron gasket is provided between magnet and support frame.
Further, the ferromagnetic seat is iron-nickel alloy seat.
Further, adjustment of load nut is additionally provided between the locking nut and spring.
Compared with prior art, beneficial effect is the utility model:
1. the rotating electromagnet in the utility model double-view field switching mechanism is short compared with servo motor electrical time constant, power-up
After can be rapidly reached peak velocity, and output torque is basically unchanged within the scope of -45 DEG C~60 DEG C, can be real by test
Existing 0.3s fast zoom, can adapt to the severe large impact mechanical environment of missile-borne.
It is risen afterwards in place 2. the magnetic locking unit in the utility model double-view field switching mechanism is cut/cut out in zoom microscope group
To positioning and locking function, magnetic locking unit using power-type electromagnet and ferromagnetic seat matching form is lost, have it is small in size,
The advantages that magnetic force is big, low in energy consumption, impact resistance.
3. the mechanical locking unit in the utility model double-view field switching mechanism plays double positioning and locking function, Neng Goushi
Answer the large impact mechanical environment that missile-borne is severe.
4. the resilient cushion and limited block in the utility model double-view field switching mechanism belong to mechanical position limitation unit, using poly- ammonia
Ester resilient cushion had not only played the function of limit, but also can alleviate the impact of zoom microscope group.
5. the electric position-limiting unit in the utility model double-view field switching mechanism uses optoelectronic switch, advantage is small in size, clever
Sensitivity is high, and electromagnet feedback signal is given after triggering.
Detailed description of the invention
Fig. 1 is the structure chart of infrared optical imaging system；
Fig. 2 is the axis surveys view of the infrared double-view field switching mechanism of the utility model missile-borne；
Fig. 3 is the front view of the infrared double-view field switching mechanism of the utility model missile-borne；
Fig. 4 is the left view of the infrared double-view field switching mechanism of the utility model missile-borne；
Fig. 5 is the partial enlarged view of the mechanical interlock mechanism of Fig. 4；
Fig. 6 is the axis surveys view of the infrared double-view field switching mechanism of the utility model missile-borne (clipped component)；
Fig. 7 is the spring-loaded plunger cross-sectional view of the infrared double-view field switching mechanism of the utility model missile-borne；
Fig. 8 is the structure chart that the infrared double-view field switching mechanism of the utility model missile-borne omits ferromagnetic seat；
Fig. 9 is the front view that the infrared double-view field switching mechanism of the utility model missile-borne omits zoom microscope group.
Appended drawing reference: 1- window glass, 2- spectroscope, 3- spectrum groupware, 4- LONG WAVE INFRARED Liar group, 5- medium wave are red
Outer Liar component, 6- Long Wave Infrared Probe component, 7- medium-wave infrared detector assembly；8- rotating electromagnet, 9- electromagnetism
Iron support, 10- bearing block, 11- clump weight, 12- bearing, 13- swinging axle, 14- bearing (ball) cover, 15- zoom microscope group, 16- pedestal,
17- support frame, 18- electromagnetism iron gasket, 19- mistake power-type electromagnet, the ferromagnetic seat of 20-, 29- limit switch, 30- switch baffle,
24- resilient cushion, 25- limited block, 31- spring-loaded plunger, 32- stop screw, 33- taper socket arrangement part, 35- ball, 36- bullet
Spring, 37- shell, 38- adjustment of load nut, 39- locking nut, 40- bearing shim.
Specific embodiment
It is described in further detail below in conjunction with content of the drawings and specific embodiments to the utility model.
Infrared optical imaging system includes infrared optics objective lens unit, infrared detector module and electrically-controlled component, wherein
Infrared optics objective lens unit is divided into window glass, spectrum groupware, LONG WAVE INFRARED Liar component, medium-wave infrared again from structure
Four modular assemblies of Liar component.Medium-wave infrared Liar component is fixed-focus Liar component, LONG WAVE INFRARED optics
Objective lens unit is double-view field variable focus package.As shown in Figure 1, infrared optical imaging system specifically mainly includes window glass 1, light splitting
Mirror 2, spectrum groupware 3, LONG WAVE INFRARED Liar group 4, medium-wave infrared Liar component 5, Long Wave Infrared Probe component 6,
Medium-wave infrared detector assembly 7；Wherein medium-wave infrared Liar component 5 is fixed-focus Liar component, LONG WAVE INFRARED optics
Objective lens unit 4 is double-view field variable focus package.
LONG WAVE INFRARED double-view field variable focus package makes zoom microscope group by double-view field switching mechanism provided by the utility model
Realization switches in and out.Double-view field switching mechanism includes driving assembly and limit assembly.Driving assembly is mainly by rotating electromagnetic
Iron 8, electromagnet support 9 and driving shafting etc. are constituted, and wherein drive shaft owner will include the angular contact ball bearing of a pair of P4 precision
12, bearing block 10, bearing (ball) cover 14, zoom microscope group 15 etc..The rotary shaft of zoom microscope group 15 and the output shaft of rotating electromagnet 8 are logical
The soket head cap screw for crossing two M2.5 is fastened.Drive a pair of of angular contact ball bearing 12 in shafting using " back-to-back " pairing
Mode, such matching method can guarantee that bearing 12 is able to bear from axial, the radial positive and negative angle stress of various aspects.By repairing
The bearing shim 40 of bearing block 10 and bearing (ball) cover 14 is cut to achieve the purpose that set 12 preload of bearing 12 preload of bearing
The main purpose of meter is the axial, radial internal clearance of elimination bearing 12, reduces rotation noise, and the stress of receiving is farthest equal
Each ball 35 is given to increase the purpose of load-bearing capacity, to guarantee the accuracy of shafting and the service life of bearing 12.
The limit assembly of LONG WAVE INFRARED double-view field variable focus package is mainly using electric limit, mechanical position limitation, magnetic locking mechanism
Add the combining form of mechanical interlock mechanism.In the incision of zoom microscope group 15, cuts out two positions and be equipped with a set of electricity limit, mechanical limit
Position, magnetic locking mechanism and mechanical interlock mechanism, the limit for two kinds of operating conditions.Wherein electricity limit using close to switch or
Optoelectronic switch；Mechanical position limitation uses polyurethane vibration-absorptive material；Magnetic locking mechanism is closed using mistake power-type electromagnet 19 and iron nickel
Golden seat combining form loses power-type electromagnet 19 i.e. energization and loses magnetic force, power interruption recovering magnetic force, therefore uses and lose power-type electromagnetism
Iron 19 is only powered in visual field handoff procedure, and locking can be powered off after visual field finishing switching, reduces power consumption；Mechanical interlock mechanism is adopted
With the spring-loaded plunger 31 and 33 combining form of taper socket arrangement part of load changeable type, pass through the spring 36 of adjustment spring plunger 31
Pretightning force, thus it is possible to vary the load capacity of plunger.
Such as the infrared double-view field switching mechanism of missile-borne shown in Figs. 2 to 9, including driving assembly and limit assembly.
Driving assembly includes rotating electromagnet 8, pedestal 16, clump weight 11, electromagnet support 9 and swinging axle 13；Electric rotating
Magnet 8 is arranged on pedestal 16 by electromagnet support 9, and output shaft is fixedly connected with swinging axle 13, one end of swinging axle 13
It is fixedly connected with zoom microscope group 15；The output shaft of rotating electromagnet 8 is mounted in bearing block 10 by bearing 12, and output shaft end
End is provided with bearing (ball) cover 14, and bearing block 10 is fixedly mounted on electromagnet support 9, and bearing 12 is the angular contact of a pair of P4 precision
Ball bearing 12, and back-to-back installation.The other end of swinging axle 13, and the middle part of swinging axle 13 and electric rotating is arranged in clump weight 11
The output shaft of magnet 8 is fixedly connected, and increasing clump weight 11 is the principal axis of inertia line and rotary shaft in order to make 15 center of gravity of zoom microscope group
Line coincides, and reduces unbalanced centrifugal force when zoom microscope group 15 is cut/cut out, so that zoom microscope group 15 moves steadily.
Limit assembly includes magnetic locking unit, mechanical locking unit, mechanical position limitation unit and electric position-limiting unit.
Magnetic locking unit includes ferromagnetic seat 20 and at least two groups lose power-type electromagnet 19, and the ferromagnetic setting of seat 20 is being swung
On axis 13, loses power-type electromagnet 19 and be arranged on electromagnet support 9, and be located at the two sides of ferromagnetic seat 20, lose power-type
The locking of swinging axle 13 is realized in electromagnet 19 and the cooperation of ferromagnetic seat 20；Power-type electromagnet 19 is lost to be arranged by support frame 17 in electricity
It on magnet support 9, and loses and is provided with electromagnetism iron gasket 18 between power-type electromagnet 19 and support frame 17, ferromagnetic seat 20 is specially
Iron-nickel alloy seat.
Mechanical locking unit includes spring-loaded plunger 31 and taper socket arrangement part 33, and the spring-loaded plunger 31 for loading changeable type is logical
It crosses stop screw 32 to be arranged on swinging axle 13, including ball 35, spring 36, shell 37 and locking nut 39, be set in shell 37
It is equipped with installation cavity, and cavity front end is taper, ball 35 is pressed on cavity front end by spring 36 by locking nut 39；Taper
Concave groove is set on socket arrangement part 33, and ball 35 and concave groove match, and realize the locking of swinging axle 13.39 He of locking nut
Adjustment of load nut 38,38 holddown spring 36 of adjustment of load nut, by the pressure for changing spring 36 are additionally provided between spring 36
Contracting deformation quantity changes the pretightning force of spring 36, thus change the pretightning force of spring-loaded plunger 31, after the load for adjusting plunger, then
It is locked with locking nut 39, prevents adjustment of load nut 38 from loosening.
Mechanical position limitation unit includes resilient cushion 24 and limited block 25, and the setting of limited block 25 is fixed on swinging axle 13,
And it is located at the two sides of ferromagnetic seat 20, resilient cushion 24 is arranged on electromagnet support 9, and is located at and loses the one of power-type electromagnet 19
Side, resilient cushion 24 and limited block 25 match, for reducing ferromagnetic seat 20 and losing the impact of power-type electromagnet 19, resilient cushion 24
Polyurethane vibration-absorptive material specifically can be used.
Electric position-limiting unit includes limit switch 29 and switch baffle 30, and switch baffle 30 is arranged on swinging axle 13, limit
Switch 29 is arranged on electromagnet support 9, and limit switch 29 is close to switch or optoelectronic switch.
When the zoom microscope group 15 that the utility model gives the infrared double-view field switching mechanism of above-mentioned missile-borne is cut/cut out
Workflow；
1) zoom microscope group cut-in condition
When zoom microscope group 15 is by cutting out conversion to cut-in condition, the mistake power-type electromagnet 19 at limit assembly both ends leads to simultaneously
Electricity, at this time electromagnet magnetic force disappear, while rotating electromagnet 8 connect high voltage generate torque get rid of mechanical interlock mechanism to
Drive the rotation incision of zoom microscope group 15.When the optoelectronic switch baffle 30 being connected in zoom microscope group 15 blocks optoelectronic switch, rotation
Turn electromagnet 8 and be down to low-voltage, positions and lock that provide the first relocking tight for zoom microscope group 15；Zoom microscope group 15 encounters mechanical limit
On position, since mechanical position limitation uses polyurethane vibration-absorptive material, alleviate the impact of zoom microscope group 15, at this time under effect of inertia, becomes
The ball of spring-loaded plunger 31 in times microscope group 15 is caught in taper ball-and-socket, so that mechanical interlock mechanism is locked, it is zoom microscope group 15
It is tight that positioning and locking provide the second relocking；Electromagnet power-off simultaneously generates magnetic force, so that magnetic locking mechanism locks, it is zoom mirror
It is tight that 15 positioning of group and locking provide third relocking.Triple lockings lock zoom microscope group 15, complete zoom microscope group 15 at this time
Incision.
2) zoom microscope group cuts out operating condition
It is similar to above-mentioned 15 cut-in condition workflow of zoom microscope group that zoom microscope group 15 cuts out operating condition, first limit assembly two
The mistake power-type electromagnet 19 at end is powered simultaneously, and the magnetic force of electromagnet disappears at this time, while rotating electromagnet 8 is connected high voltage and produced
Raw torque gets rid of mechanical interlock mechanism to drive the rotation of zoom microscope group 15 to cut out.When the photoelectricity being connected in zoom microscope group 15 is opened
When pass baffle 30 blocks optoelectronic switch, rotating electromagnet 8 is down to low-voltage, positions for zoom microscope group 15 and locking provides the first weight
Locking；Zoom microscope group 15 is encountered on mechanical position limitation, since mechanical position limitation uses polyurethane vibration-absorptive material, alleviates zoom microscope group 15
Impact, at this time under effect of inertia, the ball of the spring-loaded plunger 31 in zoom microscope group 15 is caught in taper ball-and-socket, thus mechanical lock
It is tight to provide the second relocking for the positioning of zoom microscope group 15 and locking for tight mechanism locking；Electromagnet power-off simultaneously generates magnetic force, thus magnetic
The locking of power retaining mechanism, for the positioning of zoom microscope group 15 and locking, to provide third relocking tight.Triple lockings carry out zoom microscope group 15
Cutting out for zoom microscope group 15 is completed in locking at this time.
The utility model gives the assembly method of the infrared double-view field switching mechanism of above-mentioned missile-borne, specific assembly method
And steps are as follows:
1) rotating electromagnet 8 and electromagnet support 9 are connected by the sunk screw of 3 M4；
2) bearing block 10 is fixed on electromagnet support 9 by the pan head screw of 4 M3；
3) optoelectronic switch is fixed on electromagnet support 9 by the pan head screw of 2 M2；
4) electromagnetism iron gasket 18, mistake power-type electromagnet 19 are successively fixed on by support frame by the pan head screw of 1 M4
On 17, polyurethane shock pad 24 is fixed on support frame 17 by the pan head screw of 1 M4；
5) clump weight 11 is fixed in zoom microscope group 15 by the soket head cap screw of 4 M3；
6) iron-nickel alloy seat 24 is fixed in zoom microscope group 15 by the pan head screw of 4 M3；
7) limited block 25 is fixed in zoom microscope group 15 by the soket head cap screw of 2 M3；
8) optoelectronic switch baffle 30 is fixed in zoom microscope group 15 by the sunk screw of 1 M2；
9) spring-loaded plunger 31 for loading changeable type is screwed into zoom microscope group 15, and passes through stop screw 32 for spring-loaded plunger
31 is fixed；
10) taper socket arrangement part 33 is fixed on pedestal 16 by the pan head screw of 2 M3；
11) electromagnet support 9 is fixed on pedestal 16 by the pan head screw of 4 M3；
12) support frame 17 is fixed on electromagnet support 9 by the pan head screw of 3 M3；
13) successively angular contact ball bearing 12, zoom microscope group 15, angular contact ball bearing 12 are mounted on bearing block 10, this
Two angular contact ball bearings use " back-to-back " matching method, and zoom microscope group 15 is connected in by the soket head cap screw of two M2.5
On the swinging axle 13 of rotating electromagnet 8；
14) by adjusting the position of optoelectronic switch, so that zoom microscope group 15 cuts 4 time of LONG WAVE INFRARED Liar component
Electric switch baffle 30 triggers optoelectronic switch work；
15) electromagnetism iron gasket 18, limited block 25 are cut by repairing, so that optoelectronic switch loses power-type electromagnet when triggering work
19 touch with iron-nickel alloy seated connection, while limited block 25 is contacted with polyurethane shock pad 24；
16) by adjusting the position of taper socket arrangement part 33, so that load changeable type when optoelectronic switch triggers work
The ball 35 of spring-loaded plunger 31 is caught in the taper ball-and-socket of taper socket arrangement part 33；
17) by adjusting the adjustment of load nut 38 of spring-loaded plunger 31, so that zoom microscope group 15 can under mechanical environment
It is locked while can also be realized under the action of rotating electromagnet 8 and cut/cut out function, after adjustment of load nut 38 is adjusted,
It is locked again by locking nut 39.
Claims (10)
1. a kind of infrared double-view field switching mechanism of missile-borne, it is characterised in that: including driving assembly and limit assembly；
The driving component includes rotating electromagnet (8), electromagnet support (9), pedestal (16) and swinging axle (13)；The rotation
Electromagnet (8) is arranged on pedestal (16) by electromagnet support (9), and output shaft is fixedly connected with swinging axle (13), described
One end of swinging axle (13) is fixedly connected with zoom microscope group (15)；
The limit assembly includes magnetic locking unit and mechanical locking unit；
The magnetic locking unit includes that ferromagnetic seat (20) and at least two groups lose power-type electromagnet (19), the ferromagnetic seat (20)
It is arranged on swinging axle (13), the mistake power-type electromagnet (19) is arranged on electromagnet support (9), and is located at ferromagnetic
The two sides of seat (20), the locking lost power-type electromagnet (19) and ferromagnetic seat (20) cooperation and realize swinging axle (13)；
The mechanical locking unit includes spring-loaded plunger (31) and taper socket arrangement part (33), spring-loaded plunger (31) setting
On swinging axle (13), including ball (35), spring (36), shell (37) and locking nut (39), the shell (37) is interior to be set
It is equipped with installation cavity, and cavity front end is taper, ball (35) is pressed on chamber by spring (36) by the locking nut (39)
Body front end；The taper socket arrangement part (33) is fixed on pedestal (16), and concave groove, the ball (35) and concave is arranged
Slot matches, and realizes the locking of swinging axle (13).
2. the infrared double-view field switching mechanism of missile-borne according to claim 1, it is characterised in that: the driving component further includes
The other end in swinging axle (13), and the middle part of swinging axle (13) and electric rotating is arranged in clump weight (11), the clump weight (11)
The output shaft of magnet (8) is fixedly connected.
3. the infrared double-view field switching mechanism of missile-borne according to claim 2, it is characterised in that: the limit assembly further includes
Mechanical position limitation unit, the mechanical position limitation unit include resilient cushion (24) and limited block (25), and limited block (25) setting is solid
It is fixed to be arranged on swinging axle (13), and it is located at the two sides of ferromagnetic seat (20), the resilient cushion (24) is arranged in electromagnet support (9)
On, and it is located at the side for losing power-type electromagnet (19), the resilient cushion (24) and limited block (25) match, for reducing iron
Magnetic support (20) and the impact for losing power-type electromagnet (19).
4. the infrared double-view field switching mechanism of missile-borne according to claim 3, it is characterised in that: the material of the resilient cushion (24)
Material is polyurethane.
5. the infrared double-view field switching mechanism of missile-borne according to any one of claims 1 to 4, it is characterised in that: the limit group
Part further includes electric position-limiting unit, and the electricity position-limiting unit includes limit switch (29) and switch baffle (30), the switch baffle
(30) it is arranged on swinging axle (13), the limit switch (29) is arranged on electromagnet support (9), the limit switch (29)
To approach switch or optoelectronic switch.
6. the infrared double-view field switching mechanism of missile-borne according to claim 5, it is characterised in that: the rotating electromagnet (8)
Output shaft be mounted in bearing block (10) by bearing (12), and export shaft end and be provided with bearing (ball) cover (14), the axis
Seat (10) is held to be fixedly mounted on electromagnet support (9).
7. the infrared double-view field switching mechanism of missile-borne according to claim 6, it is characterised in that: the bearing (12) is a pair
Angular contact bearing, and back-to-back installation.
8. the infrared double-view field switching mechanism of missile-borne according to claim 7, it is characterised in that: the mistake power-type electromagnet
(19) it is arranged on electromagnet support (9) by support frame (17), and is lost between power-type electromagnet (19) and support frame (17)
It is provided with electromagnetism iron gasket (18).
9. the infrared double-view field switching mechanism of missile-borne according to claim 8, it is characterised in that: the ferromagnetic seat (20) is iron
Nickel alloy seat.
10. the infrared double-view field switching mechanism of missile-borne according to claim 9, it is characterised in that: the locking nut (39)
Adjustment of load nut (38) are provided between spring (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920310448.1U CN209728304U (en) | 2019-03-12 | 2019-03-12 | Missile-borne infrared double-view-field switching mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920310448.1U CN209728304U (en) | 2019-03-12 | 2019-03-12 | Missile-borne infrared double-view-field switching mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209728304U true CN209728304U (en) | 2019-12-03 |
Family
ID=68686101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920310448.1U Withdrawn - After Issue CN209728304U (en) | 2019-03-12 | 2019-03-12 | Missile-borne infrared double-view-field switching mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209728304U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109946811A (en) * | 2019-03-12 | 2019-06-28 | 中国科学院西安光学精密机械研究所 | A kind of double-view field switching mechanism of quick response |
| CN111650805A (en) * | 2020-05-21 | 2020-09-11 | 中国科学院西安光学精密机械研究所 | Double-view-field quick switching device and method based on rotary electromagnet switching mechanism |
| CN111796390A (en) * | 2020-06-09 | 2020-10-20 | 中国科学院西安光学精密机械研究所 | Three-view-field switching mechanism for optical equipment |
| CN115356847A (en) * | 2022-08-22 | 2022-11-18 | 中国科学院长春光学精密机械与物理研究所 | Light path switching device |
| CN117111257A (en) * | 2023-10-20 | 2023-11-24 | 南通蓬盛机械有限公司 | Infrared optical system with field-of-view switching mechanism |
| CN118444453A (en) * | 2024-06-28 | 2024-08-06 | 长春通视光电技术股份有限公司 | Compact type double-channel variable-focus photoelectric load and application method thereof |
-
2019
- 2019-03-12 CN CN201920310448.1U patent/CN209728304U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109946811A (en) * | 2019-03-12 | 2019-06-28 | 中国科学院西安光学精密机械研究所 | A kind of double-view field switching mechanism of quick response |
| 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 |
| CN111650805A (en) * | 2020-05-21 | 2020-09-11 | 中国科学院西安光学精密机械研究所 | Double-view-field quick switching device and method based on rotary electromagnet switching mechanism |
| CN111796390A (en) * | 2020-06-09 | 2020-10-20 | 中国科学院西安光学精密机械研究所 | Three-view-field switching mechanism for optical equipment |
| CN111796390B (en) * | 2020-06-09 | 2021-05-18 | 中国科学院西安光学精密机械研究所 | Three-view-field switching mechanism for optical equipment |
| CN115356847A (en) * | 2022-08-22 | 2022-11-18 | 中国科学院长春光学精密机械与物理研究所 | Light path switching device |
| CN117111257A (en) * | 2023-10-20 | 2023-11-24 | 南通蓬盛机械有限公司 | Infrared optical system with field-of-view switching mechanism |
| CN117111257B (en) * | 2023-10-20 | 2023-12-26 | 南通蓬盛机械有限公司 | Infrared optical system with field-of-view switching mechanism |
| CN118444453A (en) * | 2024-06-28 | 2024-08-06 | 长春通视光电技术股份有限公司 | Compact type double-channel variable-focus photoelectric load and application method thereof |
| CN118444453B (en) * | 2024-06-28 | 2024-09-03 | 长春通视光电技术股份有限公司 | Compact type double-channel variable-focus photoelectric load and application method thereof |
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