CN109186572A - A kind of locking of suspension-wire type gyroscope north searching instrument loosens and power supply unit - Google Patents
A kind of locking of suspension-wire type gyroscope north searching instrument loosens and power supply unit Download PDFInfo
- Publication number
- CN109186572A CN109186572A CN201811282291.2A CN201811282291A CN109186572A CN 109186572 A CN109186572 A CN 109186572A CN 201811282291 A CN201811282291 A CN 201811282291A CN 109186572 A CN109186572 A CN 109186572A
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- China
- Prior art keywords
- gyroscope
- ejector pin
- cam
- locking
- power supply
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Classifications
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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
It is loosened the present invention relates to a kind of locking of suspension-wire type gyroscope north searching instrument and power supply unit, locking loosens and power supply unit setting is in gyroscope lower, outer perimeter, radially holds gyroscope tightly using several uniformly distributed ejector pin components；Ejector pin component is by driving motor, pinion gear and locks the transmission chain driving for taking off cam and forming, and locks the ball that de- cam passes through in " ◇ " type track and supports；Equipped with de- backstop is locked on the de- cam of lock, guide rail, lock sensor are adjusted with the sensor being mounted on motor mounting rack, loosens sensor composition position detecting device.Design structure of the present invention is compact, while reducing system dimension and weight, efficiently avoids conventional axial picking-up formula and locks the change loosened to gyroscope suspension strap form.The bypass power supply device of gyroscope is integrated in ejector pin component internal, and the locking of gyroscope and function of supplying power are completed by same mechanism, have simplified structure design, efficiently solves the interoperability issues locked and loosened with two devices of bypass power supply, improves the reliability of system.
Description
Technical field
The present invention relates to inertial navigation set technical field, especially a kind of locking of suspension-wire type gyroscope north searching instrument loosen and
Power supply unit.
Background technique
Suspension-wire type gyroscope north searching instrument is a kind of orientation equipment.Its working principle is that: inside elastic metallic yarn hanging one
Gyroscope sensitivity portion (hereinafter referred to as gyroscope) equipped with high speed rotation gyro machine, gyroscope produce under the action of terrestrial gravitation
Raw precession moment, by balancing each other with the moment of face of the generations such as suspender belt, conductive hairspring, gyroscope surrounds the reciprocal precession of meridian plane,
The angle that precession is measured by optics or photoelectric sensor, calculates real north.Gyroscope is hung by wire in frame
On.When orientation, gyroscope is in the state that is locked first, when starting gyroscope, is simultaneously by bypass contact and conductive hairspring
Conductive hairspring is effectively reduced in gyroscope start-up course because overcurrent is sent out to reduce the electric current that conductive hairspring passes through in gyroscope power supply
Thermally-induced change of mechanical property；After gyroscope start completion, gyroscope supply current declines at this time, by the pine for locking release mechanism
De- movement, frees gyroscope with frame, while bypassing contact and separating with contact, is individually for gyroscope by conductive hairspring and supplies
Electricity；After orientation, by locking the locking action of release mechanism, gyroscope and frame is set to be connected, to protect gyroscope and suspender belt.
The locking of existing suspension-wire type gyroscope north searching instrument, which loosens, mostly uses axial picking-up, decentralization formula, and not only locking loosens movement
Time is long, dependency structure size is big, it is important that easily suspension strap is caused to be in bending state the picking-up movement of gyroscope, caused
Significant change occurs for the stress and shape of suspension strap, and the zero stability of system is made to be deteriorated.
The bypass power supply of existing gyroscope in the locked condition mostly uses locking release mechanism and bypass power supply device phase point
From mode, structure is complicated, volume is big, and Liang Tao mechanism needs corrdinated adjustment, and assembling and setting difficulty is big, easily occur lock off line
Phenomena such as structure locking bypasses poor contact of contacts in place.
Summary of the invention
It is an object of the invention in place of making up the deficiencies in the prior art, provide a kind of design science, it is compact-sized, use
The locking of convenient suspension-wire type gyroscope north searching instrument loosens and power supply unit.
The purpose of the present invention is what is realized by following technological means:
A kind of locking of suspension-wire type gyroscope north searching instrument loosens and power supply unit, it is characterised in that: including gyroscope, pedestal,
Motor mounting rack, ball wedge, pinion gear, driving motor, elastic slice, ejector pin component, locks de- cam and ejector pin seat at ball, described
Locking loosens and power supply unit is arranged in gyroscope lower periphery, and pedestal is fixedly mounted below gyroscope, is coaxially pacified in pedestal
Equipped with ejector pin seat, it is provided with the unthreaded hole of several horizontal homogeneous distribution on ejector pin seat, is respectively arranged with an ejector pin group in each unthreaded hole
Part is respectively equipped with an elastic slice between each ejector pin component and ejector pin seat external cylindrical surface；
Gyroscope lower part passes through the centre bore of pedestal, several equally distributed taper holes, each taper hole are arranged at gyroscope lower part
Inside is equipped with contact insulation sleeve, and the bypass contact welded with gyroscope inner lead is equipped in the contact insulation sleeve；Ejector pin group
Part one end is the conical surface, and the other end is spherical surface, taper hole of the conical surface end towards gyroscope lower part, ejector pin arrangement axis and gyroscope lower part
Taper hole axis collinear；
It is coaxially disposed one on the outside of ejector pin seat and locks de- cam, locks de- cam inner surface and is equipped with several cam surfaces, ejector pin
The sphere end of component is in contact with the cam surface for locking de- cam respectively；It locks de- cam and is equipped with internal gear, internal gear engagement connects
Pinion gear is connect, which is coaxially mounted in drive motor shaft, which is mounted on motor mounting rack, motor peace
Shelve installation on the base.
Moreover, the ejector pin component is made of bulb, bypass contact, insulating cover, contact head insulated set, pin and spring,
The contact head insulated set, bypass contact, spring, insulating cover, bulb are sequentially loaded into pin, and cabling is equipped at the top of the bulb
Slot can will bypass the conducting wire welded on contact and draw, and bypass contact should protrude from pin tapered end after the assembly of ejector pin component.
Moreover, the bypass contact end of the ejector pin component is spherical surface, the bypass touching in the taper hole of the gyroscope lower part
Point end face is plane, and surface both is copper craft of gilding.
Moreover, being coaxially disposed a ball wedge on the outside of de- cam locking, which is mounted in pedestal, the lock
Coaxial V-groove is equipped on de- cam upper and lower end faces, pedestal and ball wedge, four V-grooves form two groups of " ◇ " types up and down
Track is equipped with ball in track；Ball wedge, which is screwed by screw thread with pedestal, to be connect, and will be locked de- cam pressing by ball and determined
On pedestal.
Moreover, the driving motor is supersonic motor.
Moreover, adjusting guide rail equipped with semi-circular sensor on the motor mounting rack, it is equipped on sensor adjustment guide rail
Lock sensor and loosen sensor, it is described to lock on de- cam equipped with de- backstop is locked, it locks de- backstop top and is set to locking sensing
It device and loosens between sensor.
The advantages and positive effects of the present invention are:
1, in the present invention, gyroscope is locked by the way of radial multiple spot holding, makes gyroscope before and after locking without axial direction
Displacement, avoids the change of suspension strap form and stress, solves system caused by traditional axial picking-up locking mode
The problem of zero stability difference.
2, in the present invention, locking is loosened and power supply unit is set to gyroscope radial position, while being formed using V-groove
" ◇ " type track and ball as the support device for locking de- cam, it is compact-sized, it is easy to assembly, substantially reduce the height of system
Spend size and overall weight.
3, in the present invention, the bypass power supply device of gyroscope is integrated in ejector pin component internal, the locking and power supply of gyroscope
Function is completed by same mechanism, has simplified structure design；Locking is efficiently solved simultaneously to loosen and two devices of bypass power supply
Interoperability issues improve the reliability of system.
4, in the present invention, supersonic motor is used as driving motor, effectively reduces the magnetic disturbance source of gyroscope, together
When ultrasonic wave self-locking property ensure that reliable lock of gyroscope under the conditions ofs impact vibration etc..
Detailed description of the invention
Fig. 1 is structural front view of the invention；
Fig. 2 is structure bottom view of the invention；
Fig. 3 is ejector pin component internal structure chart；
Fig. 4 is that gyroscope lower part bypasses contact junction composition.
It is attached in the figure, it is marked as
(1) gyroscope, (2) pedestal, (3) motor mounting rack, (4) ball, (5) ball wedge, (6) pinion gear, (7) driving
Motor, (8) lock de- backstop, de- cam is locked in (9) ejector pin component, (10) elastic slice, (11), (12) ejector pin seat, (13) lock sensor,
(14) sensor adjustment guide rail, (15) loosen sensor, (901) bulb, (902) bypass contact, (903) insulating cover, (904) touching
Head insulation sleeve, (905) pin, (906) spring, (101) bypass contact, (102) contact insulation sleeve.
Specific embodiment
With reference to the accompanying drawing in detail narration the embodiment of the present invention, it should be noted that the present embodiment be it is narrative, no
It is restrictive, this does not limit the scope of protection of the present invention.
A kind of locking of suspension-wire type gyroscope north searching instrument loosens and power supply unit, including gyroscope (1), pedestal (2), motor peace
It shelves (3), ball (4), ball wedge (5), pinion gear (6), driving motor (7), lock de- backstop (8), ejector pin component (9), bullet
Piece (10) locks de- cam (11), ejector pin seat (12), lock sensor (13), sensor adjustment guide rail (14) and loosens sensor
(15).The gyroscope is the loose piece that is locked, for it is a kind of be built-in with high-speed rotary motor frame is hung on by a wire
The sensing unit of system.
The locking loosens and power supply unit is arranged in gyroscope lower periphery, and pedestal (2) is fixedly mounted on gyroscope (1)
Lower section is coaxially installed with ejector pin seat (12) in pedestal, and the unthreaded hole of several horizontal homogeneous distribution, Mei Geguang are provided on ejector pin seat
It is respectively arranged with an ejector pin component (9) in hole, an elastic slice is respectively equipped between each ejector pin component and ejector pin seat external cylindrical surface
(10), it is ensured that the cam surface of the lock de- cam (11) at the bulb end and periphery of ejector pin component (9).
Gyroscope (1) lower part passes through the centre bore of pedestal (2), several equally distributed taper holes are arranged at gyroscope lower part, often
It is equipped with contact insulation sleeve (102) inside a taper hole, bypass contact (101) is equipped in the contact insulation sleeve, is led inside gyroscope
Line and the welding of bypass contact.Ejector pin component one end is the conical surface, and the other end is spherical surface, conical surface end towards gyroscope lower part taper hole,
The taper hole axis collinear of ejector pin arrangement axis and gyroscope lower part.The position and quantity kissing of ejector pin component and gyroscope taper hole
It closes, is usually four.
The bypass power supply function of gyroscope is integrated in locking release.The ejector pin component is by bulb (901), side
Road contact (902), insulating cover (903), contact head insulated set (904), pin (905) and spring (906) composition.The contact head insulated
Set, bypass contact, spring, insulating cover, bulb are sequentially loaded into pin, it may be assumed that contact head insulated set, insulating cover and bulb are sequentially coaxially
It is sleeved in pin, bypass contact is coaxially inserted into the axle center of contact head insulated set and insulating cover, and spring pocket is mounted in contact head insulated set
On bypass contact between insulating cover, it is equipped with cabling channel at the top of the bulb, can will bypass the conducting wire welded on contact and draw,
Bypass contact should protrude from pin tapered end after the assembly of ejector pin component.The bypass contact end of ejector pin component is spherical surface, the gyro
Bypass contact end face in the taper hole of instrument lower part is plane, and surface both is copper craft of gilding.When gyroscope is locked, bypass touching
Head (902) is contacted with bypass contact (101), and gyroscope has the function of bypass power supply；After gyroscope is loosened, bypass contact and side
The bypass power supply function of road contact separation, gyroscope disconnects.
De- cam (11) are locked for coaxial arrangement one on the outside of ejector pin seat (12), are locking one rolling of coaxial arrangement on the outside of de- cam
Pearl wedge (5), the ball wedge are mounted in pedestal (2), described to lock de- cam up and down two as the supported design for locking de- cam
Coaxial V-groove is equipped on end face, pedestal and ball wedge, four V-grooves form two groups of " ◇ " type tracks up and down, fill in track
There are ball (4)；Ball wedge, which is screwed by screw thread with pedestal, to be connect, and will be locked de- cam pressing by ball and be positioned at pedestal
On.Pedestal is equipped with holding screw, can pre-tighten ball wedge.
It locks de- cam (11) inner surface and is equipped with several cam surfaces, the sphere end of ejector pin component is convex with the de- cam of lock respectively
Wheel face is in contact；It locks de- cam and is equipped with internal gear, internal gear engagement connection pinion gear (6), which is coaxially mounted to
In drive motor shaft, which is mounted on motor mounting rack (3), which is mounted on base by screw
On seat.The driving motor is supersonic motor, it has many advantages, such as low speed high torque, self-locking without magnetic, power down, in no magnetic field
It can guarantee that gyroscope will not be got loose after locking because vibrating, impacting etc. while interference.
Pinion gear on driving motor, which drives, locks de- cam rotation, locks de- cam driven ejector pin component linear motion, makes to push up
Pin assemblies tapered end is inserted into simultaneously in the taper hole of gyroscope lower part, realizes the locking of gyroscope；Driving motor drives the de- cam of lock reversed
When rotation, the elastic slice between ejector pin component and ejector pin seat is sprung back, and drives ejector pin component to retract, gyroscope loosens.
As the position detection design of locking release, adjusted on the motor mounting rack equipped with semi-circular sensor
Guide rail (14), lock sensor (13) and loosen sensor (15) be at an angle of (60 °~120 °) be mounted on sensor adjustment guide rail
On, it is described to lock on de- cam (11) equipped with de- backstop (8) are locked, it locks de- backstop top and is set to lock sensor and loosens sensor
Between.Lock sensor (13) position is adjusted when assembly, when making to lock de- backstop (8) pressure lock sensor (13), ejector pin component
(9) tapered end respectively reliably locked by taper hole face contact corresponding with gyroscope (1), guarantee gyroscope (1)；Adjustment loosens sensing
The position of device (15), when making to lock de- backstop (8) pressure and loosening sensor (15), the tapered end of ejector pin component (9) detaches gyroscope
(1) taper hole guarantees that gyroscope (1) has and enough rocks space.Locking can drive the de- backstop of lock to compress or take off when taking off cam revolution
From sensor, by the signal for detecting two sensors, it can be determined that the state that gyroscope is locked and loosened.Sensor can pass
Position is adjusted on sensor adjustment guide rail, is conveniently adjusted the locking degree and disengaged position of gyroscope.
This locking loosens and the course of work of power supply unit is as follows:
When locking, driving motor (7) drives pinion gear (6) rotation after powering on, and pinion gear (6), which drives, locks de- cam (11) rotation
Turn；The cam surface for locking de- cam (11) is in lift condition, pushes ejector pin component (9) linear motion, and drives lock de- only simultaneously
Keep off (8) rotation；The elastic slice (10) between ejector pin component (9) and ejector pin seat (12) is compressed in ejector pin component (9) motion process, simultaneously
Tapered end is gradually inserted in the taper hole of gyroscope (1) lower part；When locking de- backstop (8) pressure lock sensor (13), ejector pin component (9)
Tapered end taper hole face contact corresponding to gyroscope (1), gyroscope (1) are locked respectively.Contact (902) are bypassed simultaneously and bypass is touched
Point (101) contact, gyroscope (1) have the function of bypass power supply.
When loosening, driving motor (7) is reversely rotated, and pinion gear (6), which drives, locks de- cam (11) reverse rotation, locks de- cam
(11) cam surface is in backhaul state, and elastic slice (10) rebound between ejector pin component (9) and ejector pin seat (12) drives ejector pin group
Part (9) is retracted, and gyroscope (1) is loosened, and when lock de- backstop (8) pressure loosens sensor (15), driving motor (7) stops rotation
Turn, gyroscope (1) is loosened completely.Meanwhile bypass contact (902) is separated with bypass contact (101), the bypass of gyroscope (1)
Function of supplying power disconnects.
Claims (6)
1. a kind of locking of suspension-wire type gyroscope north searching instrument loosens and power supply unit, it is characterised in that: including gyroscope, pedestal, electricity
Machine mounting rack, ball wedge, pinion gear, driving motor, elastic slice, ejector pin component, locks de- cam and ejector pin seat, the lock at ball
Tense-lax is de- and power supply unit is arranged in gyroscope lower periphery, and pedestal is fixedly mounted below gyroscope, is co-axially mounted in pedestal
There is ejector pin seat, the unthreaded hole of several horizontal homogeneous distribution be provided on ejector pin seat, is respectively arranged with an ejector pin component in each unthreaded hole,
An elastic slice is respectively equipped between each ejector pin component and ejector pin seat external cylindrical surface；
Gyroscope lower part passes through the centre bore of pedestal, several equally distributed taper holes are arranged at gyroscope lower part, inside each taper hole
It is equipped with contact insulation sleeve, the bypass contact welded with gyroscope inner lead is equipped in the contact insulation sleeve；Ejector pin component one
End is the conical surface, and the other end is spherical surface, taper hole of the conical surface end towards gyroscope lower part, the cone of ejector pin arrangement axis and gyroscope lower part
Axially bored line is conllinear；
It is coaxially disposed one on the outside of ejector pin seat and locks de- cam, locks de- cam inner surface and is equipped with several cam surfaces, ejector pin component
Sphere end be in contact respectively with the cam surface for locking de- cam；It locks de- cam and is equipped with internal gear, internal gear engagement connection is small
Gear, the pinion gear are coaxially mounted in drive motor shaft, which is mounted on motor mounting rack, the motor mounting rack
Installation is on the base.
2. a kind of locking of suspension-wire type gyroscope north searching instrument according to claim 1 loosens and power supply unit, it is characterised in that:
The ejector pin component is made of bulb, bypass contact, insulating cover, contact head insulated set, pin and spring, the contact head insulated
Set, bypass contact, spring, insulating cover, bulb are sequentially loaded into pin, and cabling channel is equipped at the top of the bulb, can touch bypass
The conducting wire welded on head is drawn, and bypass contact should protrude from pin tapered end after the assembly of ejector pin component.
3. a kind of locking of suspension-wire type gyroscope north searching instrument according to claim 1 loosens and power supply unit, it is characterised in that:
The bypass contact end of the ejector pin component is spherical surface, and the bypass contact end face in the taper hole of the gyroscope lower part is plane,
Surface both is copper craft of gilding.
4. a kind of locking of suspension-wire type gyroscope north searching instrument according to claim 1 loosens and power supply unit, it is characterised in that:
It is coaxially disposed a ball wedge on the outside of the de- cam of lock, which is mounted in pedestal, described to lock de- cam or more two
Coaxial V-groove is equipped on end face, pedestal and ball wedge, four V-grooves form two groups of " ◇ " type tracks up and down, fill in track
There is ball；Ball wedge, which is screwed by screw thread with pedestal, to be connect, and will be locked de- cam pressing by ball and be positioned on pedestal.
5. a kind of locking of suspension-wire type gyroscope north searching instrument according to claim 1 loosens and power supply unit, it is characterised in that:
The driving motor is supersonic motor.
6. a kind of locking of suspension-wire type gyroscope north searching instrument according to claim 1 loosens and power supply unit, it is characterised in that:
Guide rail is adjusted equipped with semi-circular sensor on the motor mounting rack, sensor, which adjusts, is equipped with lock sensor and pine on guide rail
De- sensor, it is described to lock on de- cam equipped with de- backstop is locked, it locks de- backstop top and is set to lock sensor and loosens sensor
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811282291.2A CN109186572B (en) | 2018-10-31 | 2018-10-31 | Locking, loosening and power supply device of suspension wire type gyro north seeker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811282291.2A CN109186572B (en) | 2018-10-31 | 2018-10-31 | Locking, loosening and power supply device of suspension wire type gyro north seeker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109186572A true CN109186572A (en) | 2019-01-11 |
| CN109186572B CN109186572B (en) | 2021-12-31 |
Family
ID=64940976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811282291.2A Active CN109186572B (en) | 2018-10-31 | 2018-10-31 | Locking, loosening and power supply device of suspension wire type gyro north seeker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109186572B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110864679A (en) * | 2019-11-12 | 2020-03-06 | 中国船舶重工集团公司第七0七研究所 | Shafting automatic tensioning and releasing device for gyro north finder |
| CN110963083A (en) * | 2019-11-21 | 2020-04-07 | 南京航空航天大学 | Small-sized frame type control moment gyro driven by double-stator ultrasonic motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110864679A (en) * | 2019-11-12 | 2020-03-06 | 中国船舶重工集团公司第七0七研究所 | Shafting automatic tensioning and releasing device for gyro north finder |
| CN110864679B (en) * | 2019-11-12 | 2022-07-26 | 中国船舶重工集团公司第七0七研究所 | Shafting automatic tensioning and releasing device for gyro north finder |
| CN110963083A (en) * | 2019-11-21 | 2020-04-07 | 南京航空航天大学 | Small-sized frame type control moment gyro driven by double-stator ultrasonic motor |
| CN110963083B (en) * | 2019-11-21 | 2021-12-21 | 南京航空航天大学 | Small-sized frame type control moment gyro driven by double-stator ultrasonic motor |
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| Publication number | Publication date |
|---|---|
| CN109186572B (en) | 2021-12-31 |
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