CN105203090A - Gyro with locking and unlocking mechanism - Google Patents
Gyro with locking and unlocking mechanism Download PDFInfo
- Publication number
- CN105203090A CN105203090A CN201510684913.4A CN201510684913A CN105203090A CN 105203090 A CN105203090 A CN 105203090A CN 201510684913 A CN201510684913 A CN 201510684913A CN 105203090 A CN105203090 A CN 105203090A
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- CN
- China
- Prior art keywords
- gyro
- base
- rocking arm
- card
- ring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
- G01C19/02—Rotary gyroscopes
- G01C19/04—Details
- G01C19/26—Caging, i.e. immobilising moving parts, e.g. for transport
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
- G01C19/02—Rotary gyroscopes
- G01C19/04—Details
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Gyroscopes (AREA)
Abstract
The invention provides a gyro with a locking and unlocking mechanism. The gyro is provided with a shell; an inner ring and outer ring assembly and an inner three-ring electric brush holder assembly are arranged in the middle of the shell; an outer four-ring conductive ring and a potentiometer are arranged at one side of the shell; a tapered locking hole is formed in a locking plate of the inner and outer ring assembly; the locking and unlocking mechanism which is clamped with the tapered locking hole to lock an inner ring and outer ring of the gyro is arranged at one side of the shell; the locking and unlocking mechanism comprises a base; a rocking arm shaft is arranged in the middle of the base; a rocking arm device is arranged on the rocking arm shaft; a clamping roller is arranged at one end of the rocking arm shaft; an electromagnet assembly and a clamping plate are arranged on the base at one side of the rocking arm shaft; an armature is arranged at one end of the electromagnet assembly; the clamping plate is rotatably connected with the base through a big fulcrum shaft; one end of the clamping plate is clamped into a groove in the armature, and the other end of the clamping plate is in compression joint with one end of the clamping roller. According to the gyro provided by the invention, small accumulative error is ensured when the gyro is put into disposable use and is in short-time operation after being unlocked, and the working precision of the gyro is ensured; the gyro provided by the invention is small in size, compact in structure, reliable in performance, resistant to high overload, and low in manufacturing cost.
Description
Technical field
The invention belongs to Control and Guild technical field, be specifically related to a kind of gyro with locking release mechanism.
Background technology
Existing measurement body attitude angle adopts low cost rotator type gyro, and this gyro is the free gyro with Three Degree Of Freedom, exports d. c. voltage signal by pot.Gyro general structure is made up of parts such as the inner ring of gyro machine, locking stator and outer shroud, interior three ring conducting rings, outer Fourth Ring conducting ring, brushgear housing assemblies.With the gyro machine of 58000r/min speed High Rotation Speed, be arranged on the centre of inner ring, produce the larger angular momentum required for gyro, form the gyro of a Three Degree Of Freedom, gyro main shaft keeps stable relative to inertial space, outer annulate shaft, for measuring axle, exports the attitude angle signal of measured carrier by pot.Because gyro exists the electromechanical device producing friction force, as three rings, Fourth Ring power transmitting device and pot, meanwhile, the angular momentum of this free gyro is relatively little, therefore, there is the errors of principles in this free gyro, namely drift speed is comparatively large, interior toroidal drift 11 °/30S, but it is namely supporting with guided missile for concrete applied environment, when short time (maximum 3 ~ 5 minutes) work or single use, its precision is enough, can match with environment for use.And for the free gyroscope applied in tactical weapon, require its dependable performance, resistance to high overload, low cost of manufacture, in order to ensure that controlled carrier works to normal reliable executing the task in overall process better, be therefore necessary to propose to improve.
Summary of the invention
The technical matters that the present invention solves: a kind of gyro with locking release mechanism is provided, controlled carrier do not drop into execute the task state time, adopt locking release mechanism to lock gyro inner and outer ring assembly, make three of gyro between centers keep orthogonal between two and intersect, guarantee that gyro drops in single use and short-term operation after unblock, cumulative errors is minimum, and ensure gyro operating accuracy, volume is little, compact conformation, dependable performance, resistance to high overload, low cost of manufacture.
The technical solution used in the present invention: the gyro with locking release mechanism, there is housing, described housing central section is provided with inner and outer ring assembly and interior three ring brushgear housing assemblies, described housing side is provided with outer Fourth Ring conducting ring and pot, the locking plate of described inner and outer ring assembly is provided with taper lock hole, described housing side is provided with the locking release mechanism engaging with taper lock hole and locked by gyro inner and outer ring, described locking release mechanism comprises base, rocking shaft is provided with in the middle part of described base, described rocking shaft is provided with rocker arrangement, described rocking shaft one end is provided with card rod, the base of described rocking shaft side is provided with electromagnet assembly and card, described electromagnet assembly one end is provided with armature, described card is connected with base rotation by large fulcrum, described card one end snaps in the groove on armature, the described card other end crimps with card rod one end.
Wherein, described rocker arrangement comprises rocking arm, and described rocking arm is socketed on rocking shaft by gear rod, and described rocking arm top is provided with the taper lock shaft engaged with taper lock hole, described rocking shaft is socketed with press against rocking arm rotate place side by side torsion spring, described rocking shaft one end is provided with microswitch.
Further, described card end is connected with base by extension spring.
Further, shake post-brachial base described in and be provided with flat spring.
The present invention's advantage compared with prior art:
1, before controlled carrier is not launched, card on locking release mechanism overcomes the moment of torsion of placing side by side torsion spring around the moment that rocking shaft produces to the normal pressure of card rod, in the taper lock hole that taper lock shaft on rocking arm is inserted on inner and outer ring assembly locking plate, thus gyro inner and outer ring is in the lock state, ensure that gyro inner axle, outer annulate shaft and the axis of angular momentum three between centers intersect vertically between two mutually, guarantee that gyro drops into cumulative errors in single use and short-term operation after unblock minimum, improve gyro operating accuracy;
2, the flat spring post-brachial base being provided with watt shape is being shaken, what flat spring produced oppositely increase progressively elastic force available buffer rocking arm turns to and goes out power close to during extreme position to the rigidity of base under the torsional interaction of placing side by side torsion spring, has certain protective effect to rocking arm and base;
3, structure of the present invention is simple, and volume is little, compact conformation, dependable performance, resistance to high overload, low cost of manufacture.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 locks release mechanism structural representation in the present invention.
Embodiment
Below in conjunction with accompanying drawing 1-2, embodiments of the invention are described.
There is the gyro of locking release mechanism, as shown in Figure 1, there is housing 1, inner and outer ring assembly 2 and interior three ring brushgear housing assemblies 3 are provided with in the middle part of described housing 1, described housing 1 side is provided with outer Fourth Ring conducting ring 4 and pot, the locking plate of described inner and outer ring assembly 2 is provided with taper lock hole 5, described housing 1 side is provided with the locking release mechanism engaging with taper lock hole 5 and locked by gyro inner and outer ring, as shown in Figure 2, described locking release mechanism comprises base 7, rocking shaft 8 is provided with in the middle part of described base 7, described rocking shaft 8 is provided with rocker arrangement, concrete, described rocker arrangement comprises rocking arm 9, described rocking arm 9 is socketed on rocking shaft 8 by gear rod 13, described rocking arm 9 top is provided with the taper lock shaft 11 engaged with taper lock hole 5, described rocking shaft 8 is socketed with press against rocking arm 9 rotate place side by side torsion spring 12, the base 7 at described rocking arm 9 rear portion is provided with flat spring 10, what flat spring 10 produced oppositely increase progressively elastic force available buffer rocking arm 9 turns to and goes out power close to during extreme position to the rigidity of base 7 under the torsional interaction of placing side by side torsion spring 12, to rocking arm 9 and base 10, there is certain protective effect, rocking shaft 8 one end is provided with the microswitch 14 for feedback voltage, described rocking shaft 8 one end is provided with card rod 15, the base 7 of described rocking shaft 8 side is provided with electromagnet assembly 19 and card 17, described electromagnet assembly 19 one end is provided with armature 20, wherein the diameter of armature 20 only has φ 4.5mm size, produce the electromagnetic attraction of 7.3N, its tolerance clearance is 0.02mm, and smoothness requirements reaches minute surface degree, described card 17 is rotationally connected with base 7 by large fulcrum 18, and described card 17 one end snaps in the groove on armature 20, and described card 17 other end crimps with card rod 15 one end, and described card 17 end is connected with base 7 by extension spring 16.
Namely there is friction in the proper property that the present invention is directed to free gyro, in low precision and concrete environment for use, ad hoc meter locking release mechanism, controlled carrier do not drop into execute the task state time, card 17 on locking release mechanism applies normal pressure to card rod 15, card rod 15 drives rocking arm 9 to overcome the moment of torsion of placing side by side torsion spring 12 pairs of rocking arm 9 pressure and producing around the moment that rocking shaft 8 rotates by rocking shaft 8, in the taper lock hole 5 that the taper lock shaft 11 of rocking arm 9 end is inserted on inner and outer ring assembly 2 locking plate, gyro inner and outer ring is in the lock state, ensure free gyro inner axle, outer annulate shaft and the axis of angular momentum three between centers intersect vertically between two mutually, guarantee that gyro drops into the precision in single use and short-term operation afterwards in unblock, effectively inhibit the accumulation drift value that gyro energising work before not coming into operation produces, make cumulative errors minimum.Wherein, card 17 for rotation center, does axial restraint with split pin with large fulcrum 18, under the effect of extension spring 16 pulling force, on the one hand the moving part on electromagnet assembly 19 and armature 20 are pulled out, and make it along electromagnet center line to stop limit, make electromagnet produce certain impulse stroke simultaneously; Also assures that the reliable contacts between card 17 and card rod 15 on the other hand, make card 17 overcome the moment of torsion of placing side by side torsion spring 12 around the moment of torsion that rocking shaft 8 produces to the normal pressure of card rod 15, ensure that gyro inner and outer ring is accurately reliably in the lock state.
Come into operation moment at guided missile, rated direct voltage is applied to electromagnet assembly 19, electromagnet assembly 19 pairs of armature 20 produce enough large electromagnetism the suction-combining force 7.3N, card rod 15 discharges by the pulling force making card 17 overcome extension spring 16, rocking shaft 8 drives rocking arm 9 to rotate under the torsional interaction of placing side by side torsion spring 12, the taper lock shaft 11 of rocking arm 9 end is extracted from the taper lock hole 5 inner and outer ring assembly 2 locking plate, gyro inner and outer ring is unlocked and is in free state, there is gyroscopic effect, the attitude angle signal of body is exported by the pot be arranged on outer shroud, control carrier, fly by planned orbit.Wherein, after gyro unlocks; rocking arm 9 continues to carry out determining angle rotation around rocking shaft 8 under the torsional interaction of placing side by side torsion spring 12; now; what the flat spring 10 at rocking arm 9 rear portion produced oppositely increase progressively elastic force available buffer rocking arm 9 turns under the torsional interaction of placing side by side torsion spring 12 close to during extreme position to the rigidity impulse force of base 7; certain protective effect is played to rocking arm 9 and base 7; simultaneously; what the holding power of base 7 and the elastic force of flat spring 10 were formed make a concerted effort and the torsion balance of placing side by side torsion spring 12 and producing, and rocking arm 9 is remained static.
Locking release mechanism in the present invention adopts mechanical, electrical, magnetic integrated design theory, and volume is little, compact conformation, and structure is simple, and accessibility is good, reliable operation, and resistance to high overload, overall price/performance ratio is high.The thin-walled parts that this free gyro major part part mainly adopts the techniques such as punching press, bending, stretching to be formed, gyro inner and outer ring wall thickness is only 0.7 ~ 0.8mm, main form and position tolerance, all at below 0.005mm as right alignment, verticality and position degree.Wherein, locking release mechanism be a space structure, primarily of bending part composition, it is many in space aspects that bending part bends relation between formed angle, its dimensional tolerence and Geometrical Tolerance Principle tight.Total of the present invention does not almost use screw thread, screw connects, but employing is gluedd joint, welding technology carries out secondary combination, and shaping by finishing, its assembly precision is high, is suitable for batch production.In addition, because gyro raw materials is based on sheet material, use frock, fixture and mould on a large scale, it produces low cost, and production efficiency is high simultaneously.
Above-described embodiment, just preferred embodiment of the present invention, is not used for limiting the scope of the present invention, therefore all equivalence changes done with content described in the claims in the present invention, all should be included within the claims in the present invention scope.
Claims (4)
1. there is the gyro of locking release mechanism, there is housing (1), described housing (1) middle part is provided with inner and outer ring assembly (2) and interior three ring brushgear housing assemblies (3), described housing (1) side is provided with outer Fourth Ring conducting ring (4) and pot, it is characterized in that: the locking plate of described inner and outer ring assembly (2) is provided with taper lock hole (5), described housing (1) side is provided with and engages with taper lock hole (5) the locking release mechanism locked by gyro inner and outer ring, described locking release mechanism comprises base (7), described base (7) middle part is provided with rocking shaft (8), described rocking shaft (8) is provided with rocker arrangement, described rocking shaft (8) one end is provided with card rod (15), the base (7) of described rocking shaft (8) side is provided with electromagnet assembly (19) and card (17), described electromagnet assembly (19) one end is provided with armature (20), described card (17) is rotationally connected by large fulcrum (18) and base (7), described card (17) one end snaps in the groove on armature (20), described card (17) other end crimps with card rod (15) one end.
2. the gyro with locking release mechanism according to claim 1, it is characterized in that: described rocker arrangement comprises rocking arm (9), described rocking arm (9) is socketed on rocking shaft (8) by gear rod (13), described rocking arm (9) top is provided with the taper lock shaft (11) engaged with taper lock hole (5), described rocking shaft (8) is socketed with press against that rocking arm (9) rotates place side by side torsion spring (12), described rocking shaft (8) one end is provided with microswitch (14).
3. the gyro with locking release mechanism according to claim 1 and 2, is characterized in that: described card (17) end is connected with base (7) by extension spring (16).
4. the gyro with locking release mechanism according to claim 3, is characterized in that: the base (7) at described rocking arm (9) rear portion is provided with flat spring (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510684913.4A CN105203090B (en) | 2015-10-21 | 2015-10-21 | Gyro with locking unlocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510684913.4A CN105203090B (en) | 2015-10-21 | 2015-10-21 | Gyro with locking unlocking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105203090A true CN105203090A (en) | 2015-12-30 |
| CN105203090B CN105203090B (en) | 2017-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510684913.4A Active CN105203090B (en) | 2015-10-21 | 2015-10-21 | Gyro with locking unlocking mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN105203090B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1704489A (en) * | 1924-06-18 | 1929-03-05 | Sperry Gyroscope Co Ltd | Locking device for gyroscopes |
| US2459496A (en) * | 1945-12-05 | 1949-01-18 | Jack & Heintz Prec Ind Inc | Instrument caging mechanism |
| US2564772A (en) * | 1948-06-28 | 1951-08-21 | Honeywell Regulator Co | Caging and centering apparatus for gyroscopes |
| US2729978A (en) * | 1952-11-18 | 1956-01-10 | Iron Fireman Mfg Co | Gyroscope caging system |
| CN201187997Y (en) * | 2008-04-14 | 2009-01-28 | 中国科学院长春光学精密机械与物理研究所 | Mechanism for spacing mechanical circumversion of turntable |
| CN102645213A (en) * | 2012-05-15 | 2012-08-22 | 浙江大学 | Locking and locating mechanism for fiber-optic gyroscope north seeker |
-
2015
- 2015-10-21 CN CN201510684913.4A patent/CN105203090B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1704489A (en) * | 1924-06-18 | 1929-03-05 | Sperry Gyroscope Co Ltd | Locking device for gyroscopes |
| US2459496A (en) * | 1945-12-05 | 1949-01-18 | Jack & Heintz Prec Ind Inc | Instrument caging mechanism |
| US2564772A (en) * | 1948-06-28 | 1951-08-21 | Honeywell Regulator Co | Caging and centering apparatus for gyroscopes |
| US2729978A (en) * | 1952-11-18 | 1956-01-10 | Iron Fireman Mfg Co | Gyroscope caging system |
| CN201187997Y (en) * | 2008-04-14 | 2009-01-28 | 中国科学院长春光学精密机械与物理研究所 | Mechanism for spacing mechanical circumversion of turntable |
| CN102645213A (en) * | 2012-05-15 | 2012-08-22 | 浙江大学 | Locking and locating mechanism for fiber-optic gyroscope north seeker |
Non-Patent Citations (3)
| Title |
|---|
| 丁徐锴等: "具有硬弹簧非线性的MEMS振动式陀螺仪驱动模态控制方法", 《中国惯性技术学报》 * |
| 刘强等: "磁悬浮飞轮锁紧保护技术研究与发展现状", 《光学 精密工程》 * |
| 杨国仓: "磁悬浮飞轮转子可重复锁紧机构设计", 《中国惯性技术学会第七届学术年会论文集》 * |
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| Publication number | Publication date |
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| CN105203090B (en) | 2017-12-29 |
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