CN206095251U - Translocation mechanism of fiber -optic gyroscope north seeker - Google Patents
Translocation mechanism of fiber -optic gyroscope north seeker Download PDFInfo
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- CN206095251U CN206095251U CN201620931892.1U CN201620931892U CN206095251U CN 206095251 U CN206095251 U CN 206095251U CN 201620931892 U CN201620931892 U CN 201620931892U CN 206095251 U CN206095251 U CN 206095251U
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- lifting spindle
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Abstract
The utility model discloses a translocation mechanism of fiber -optic gyroscope north seeker, including body and the lift unit of setting on the body and rotation unit, the unit that wherein goes up and down includes lift turbine worm subassembly, lifting spindle, movable fluted disc and decides the fluted disc that the worm of lift turbine worm subassembly is connected with elevator motor, the turbine and the coaxial suit of lifting spindle's one end of lifting wheel worm subassembly, the lifting spindle other end and the coaxial fixed connection of movable fluted disc, rotating the unit and including rotation turbine worm subassembly, transmitting gear axle and transmitting gear, rotating the worm of turbine worm subassembly and be connected with the rotation motor, the turbine that rotates wheel worm subassembly just forms the key -type connection, the transmitting gear axle other end and transmitting gear fixed connection, transmitting gear and the coaxial fixed connection of movable fluted disc with the coaxial suit of the one end of transmitting gear axle. The utility model discloses having good auto -lock nature, preventing that the mechanism from receiving the interference and rotation angle production deviation appearing at the rotation in -process, compact structure, weight are hanged down, the position accuracy is high.
Description
Technical field
The utility model belongs to fiber gyro north seeker field, and in particular to a kind of indexing machine of fiber gyro north seeker
Structure, is applicable to being accurately positioned for north finder multiposition angle indexing.
Background technology
Thus fiber gyro north seeker calculates carrier reference using optical fibre gyro sensitivity earth rotation angular velocity component
Axle and real north angle, with life-span length, reliability is high, anti-vibrating and impact ability is strong and mobility strong (can instantaneous starting, nothing
Shutdown time delay) etc. remarkable advantage, being mainly used in needs the high motor-driven weaponry and mining of orientation, constructing tunnel, big
The fields such as ground measurement.
Fiber gyro north seeker transposition control conceptual design is an extremely important link, indexing machine in the system design
The Rotational accuracy of structure must is fulfilled for the requirement of system north finding precision.Fiber gyro north seeker equipment needs a certain circle in the horizontal plane
0 ° on week, 90 °, 180 °, northern operation is once sought respectively in 270 ° of 4 positions, solves finally according to this 4 position measurement amounts
The orientation angle of north finder true edge and real north, so in the design process of its indexing mechanism, 4 positions that it is positioned
The repetitive positioning accuracy of the error of division put and each position has strict requirements.
Patent document CN103353302A discloses a kind of indexing mechanism of fiber gyro north seeker, and it includes and north finder
The fluted disc seat that is fixedly connected of rotation platform, drive in the power of the driving force of four measurement position reciprocating rotations for providing fluted disc seat
Dynamic component, is connected for revolving in the circumferential to fluted disc seat under its driving force effect for providing with power drive assem power
Turn the indexing member of indexing, and for turning to what is in four measurement positions it positioned after any position in indexing mechanism
Positioning component.Wherein, power drive assem drives fluted disc seat that platform rotation is rotated, and carries out indexing using indexing member and make
It is rotated to and positioned by positioning component after measurement position, during so as to realizing the rotation of rotation platform and rotate to each measurement position
Positioning and locking.The program is manually entered four-position rotation position, positioning and locking that mode realizes indexing mechanism using rocking arm, together
When carry load ability is big, positioning precision and rotating accuracy are high.
But, the indexing mechanism is manually entered mode and realizes indexing mechanism four-position rotation position using rocking arm, its indexable process
In be difficult to realize uniform rotation, can affect that used group gyro calculates an angular speed and then the computational solution precision to whole gyro produces shadow
Ring；In addition, the indexing mechanism volume is larger, heavier mass, parking space is required larger and is not easily carried.
Utility model content
For the disadvantages described above of prior art, the utility model provides a kind of indexing mechanism of fiber gyro north seeker, its
The Dynamic Optimum driven by the structure design for optimizing and to indexing, so as to realize accurate at the uniform velocity indexing, with compact conformation,
Small volume, the characteristics of bear load capacity strong, positioning precision, high rotating accuracy.
For achieving the above object, according to the utility model, there is provided a kind of indexing mechanism of fiber gyro north seeker, it includes
Body and the lifting unit being arranged on body and rotating unit, wherein,
The lifting unit includes lifting turbine and worm component, lifting spindle, active toothed disk and fixed tooth disk, wherein the lifting
The worm screw of turbine and worm component is connected with lifting motor, the turbine of the lifting wheel worm component and one end of the lifting spindle
Coaxial package simultaneously forms threaded connection, and the lifting spindle other end is coaxially through the fixed tooth disk and coaxial with the active toothed disk
It is fixedly connected；
The rotating unit includes rotating turbine and worm component, turning gear wheel shaft and rotate gear, wherein the rotation
The worm screw of turbine and worm component is connected with rotary electric machine, the turbine of the rotating wheel worm component and the one of the turning gear wheel shaft
Hold coaxial package and form bonded, the turning gear wheel shaft other end is fixedly connected with the rotate gear, the turning gear
Wheel is fixedly and coaxially connected with the active toothed disk.
Further preferably one end of the lifting spindle is arranged with nut as of the present utility model, the nut with it is described
The turbine coaxial package of lifting wheel worm component simultaneously forms the threaded connection.
Further preferably the body end is fixedly installed anti-rotation end cap as of the present utility model, itself and the liter
Drop main shaft matching connection, for limiting rotation of the lifting spindle on ring.
As of the present utility model further preferred, between the lifting spindle and the fixed tooth disk linear axis are provided with
Hold so that the lifting spindle can relatively described fixed tooth disk along fixed tooth disk axis move linearly, by the straight line of the lifting spindle
Movement can drive the active toothed disk to engage with fixed tooth disk or separate.
In general, by the contemplated above technical scheme of the utility model compared with prior art, have with following
Beneficial effect：
(1) the utility model increases the reliability of whole device by the self-locking performance of turbine and worm, and it can be prevented to be subject to
Its indexable angle is affected after external interference；
(2) the utility model using screw-and-nut amplification, only by torque motor little torque just can lifting rise compared with
Heavy weight used group of body；
(3) the utility model can effectively improve the positioning precision of its indexing mechanism using the high accuracy characteristic of fluted disc；
(4) the utility model realizes indexing mechanism integrated design, can effectively reduce size, is convenient for carrying.
Description of the drawings
Fig. 1 is to illustrate according to the indexing mechanism overall structure of the fiber gyro north seeker of the utility model one embodiment
Figure；
Fig. 2 is the structural representation of the lifting unit of the indexing mechanism in Fig. 1；
Fig. 3 is the structural representation of the rotating unit of the indexing mechanism in Fig. 1.
Specific embodiment
In order that the technical solution of the utility model, function and effect are clearer, it is right with reference to the accompanying drawings and examples
The utility model is further illustrated.Following examples are merely illustrative, and do not constitute to restriction of the present utility model.Additionally,
Technical characteristic of the present utility model in the case where not colliding with each other each other by be combined with each other.Additionally, sheet disclosed below
As long as involved technical characteristic does not constitute each other conflict and just can be mutually combined in utility model each embodiment.
According to the indexing mechanism of the fiber gyro north seeker of the utility model embodiment, as shown in figure 1, including the He of body 1
The lifting unit 10 and rotating unit 20 being arranged on body.
As illustrated in fig. 1 and 2, lifting unit 1 includes lifting turbine and worm component 11, lifting spindle 12, active toothed disk 13 and determines
Fluted disc 14, wherein the worm screw of the lifting turbine and worm component 11 is connected with lifting motor, the whirlpool of the lifting wheel worm component
Take turns one end coaxial package with the lifting spindle 12 and formed and be threadedly coupled, the other end of the lifting spindle 12 coaxially passes through institute
State fixed tooth disk 14 and be fixedly and coaxially connected with the active toothed disk 13.
When lifting unit is moved, lifting motor drives the worm screw of lifting turbine assembly 11 to rotate, and worm screw drives whirlpool after rotating
Wheel is rotated, and is threadedly coupled due to adopting between lifting spindle 12 and turbine, then, under the anti-rotation effect of anti-rotation end cap, turbine
Rotary motion be transformed into the linear motion of lifting spindle 12 by screw-driven.Because active toothed disk 13 and the fastening of main shaft 12 connect
Connect, so active toothed disk 13 does identical motion with main shaft 12, the realization of active toothed disk 13 engages/disengagement with fixed tooth disk 14, so that
Obtain mechanism and complete lifting landing function.
One end of lifting spindle 12 is arranged with nut 120, the turbine of the nut 120 and the lifting wheel worm component 11
112 coaxial packages simultaneously form the threaded connection.
The end of body 1 is fixedly installed anti-rotation end cap 3, and it is connected with the matching of the lifting spindle 12, described for limiting
Rotation of the lifting spindle 12 on ring.
Linear bearing 15 is provided between lifting spindle 12 and the fixed tooth disk 14 so that the lifting spindle 12 can be relative
The fixed tooth disk 14 moves linearly along the axis of fixed tooth disk 14, and by the rectilinear movement of the lifting spindle 12 active toothed disk can be driven
13 engage or separate with fixed tooth disk 14.
When performing lifting action, motor is rotated forward and drives turbine 112 to rotate, external screw thread and the turbine 112 of lifting shaft 12
Internal thread constitutes screw-and-nut drive mechanism, and in addition the position-limiting action of the socket end lid of lifting shaft 12 causes lifting shaft 12 to do directly
Line is moved, therefore lifting shaft 12 is moved upwards under the drive of turbine positive rotation, and active toothed disk 13 is same with lifting shaft 12 by screw
To motion, active toothed disk 13 is moved upwards, completes lifting action.
As shown in figs. 1 and 3, rotating unit 20 includes rotating turbine and worm component 21, turning gear wheel shaft 22 and turning gear
Wheel 23, wherein the worm screw for rotating turbine and worm component 21 is connected with rotary electric machine, the whirlpool of the rotating wheel worm component 21
Wheel 212 is with one end coaxial package of the turning gear wheel shaft 22 and forms bonded, the other end of turning gear wheel shaft 22 and institute
State rotate gear 23 to be fixedly connected, the rotate gear 23 is fixedly and coaxially connected with the active toothed disk 13.
After mechanism completes lifting action, torque motor drives the worm movement for rotating turbine and worm component 21, worm screw
Rotate and drive turbines into motion, with turbine by pin or bonded, turbine rotation drives indexable gear shaft 22 to revolve to turning gear wheel shaft 22
Turn, indexable gear shaft 22 drives the indexable gear 23 being engaged with to rotate, because indexable gear 23 is fixed on active toothed disk 13, in
It is, the setting in motion under the driving of indexable gear shaft 22 of active toothed disk 13.
When performing transposition action, motor is rotated forward and drives worm screw to rotate, and worm gear rotates with worm screw and rotates, indexable gear shaft
22 by singly-bound with turbine rotating in same direction, indexable gear shaft 22 drives indexable gear wheel 23 to rotate, active toothed disk 13 by screw with
The rotating in same direction of indexable gear wheel 23, completes transposition action.
After transposition action is completed, perform locking action, now, lifting motor reversion, turbine and worm transmission and screw rod-
Under the gearing of nut, lifting shaft 12 drives active toothed disk 13 to move downward, and completes locking action.
The indexing mechanism of fiber gyro north seeker of the present utility model, can accurately realize that four-position rotation position positions, and be to be
System north finding precision provides safeguard.
One skilled in the art will appreciate that preferred embodiment of the present utility model is the foregoing is only, not to limit this
Utility model, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements made etc. are belonged to
Protection domain of the present utility model.
Claims (4)
1. a kind of indexing mechanism of fiber gyro north seeker, its lifting unit for including body (1) and being arranged on body (1)
(10) with rotating unit (20), wherein,
The lifting unit (10) includes lifting turbine and worm component (11), lifting spindle (12), active toothed disk (13) and fixed tooth disk
(14), wherein the worm screw of lifting turbine and worm component (11) is connected with lifting motor, the whirlpool of the lifting wheel worm component
One end coaxial package of wheel (112) and the lifting spindle (12) and being formed is threadedly coupled, lifting spindle (12) other end
Coaxially pass through the fixed tooth disk (14) and be fixedly and coaxially connected with the active toothed disk (13)；
The rotating unit (20) includes rotation turbine and worm component (21), turning gear wheel shaft (22) and rotate gear (23),
The wherein described worm screw for rotating turbine and worm component (21) is connected with rotary electric machine, the turbine of the rotating wheel worm component (21)
With one end coaxial package of the turning gear wheel shaft (22) and formed it is bonded, turning gear wheel shaft (22) other end with it is described
Rotate gear (23) is fixedly connected, and the rotate gear (23) is fixedly and coaxially connected with the active toothed disk (13).
2. the indexing mechanism of a kind of fiber gyro north seeker according to claim 1, wherein, the lifting spindle (12)
One end is arranged with nut (120), and turbine (212) coaxial package of the nut (120) and the lifting wheel worm component (21) is simultaneously
Form the threaded connection.
3. the indexing mechanism of a kind of fiber gyro north seeker according to claim 1 and 2, wherein, body (1) end
Anti-rotation end cap (3) is fixedly installed, it is connected with the lifting spindle (12) matching, exists for limiting the lifting spindle (12)
Rotation on ring.
4. the indexing mechanism of a kind of fiber gyro north seeker according to claim 1 and 2, wherein, the lifting spindle
(12) linear bearing (15) is provided between the fixed tooth disk (14) so that the lifting spindle (12) relatively described can determine tooth
Disk (14) moves linearly along fixed tooth disk (14) axis, and by the rectilinear movement of the lifting spindle (12) active toothed disk can be driven
(13) engage or separate with fixed tooth disk (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620931892.1U CN206095251U (en) | 2016-08-24 | 2016-08-24 | Translocation mechanism of fiber -optic gyroscope north seeker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620931892.1U CN206095251U (en) | 2016-08-24 | 2016-08-24 | Translocation mechanism of fiber -optic gyroscope north seeker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206095251U true CN206095251U (en) | 2017-04-12 |
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ID=58469999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620931892.1U Active CN206095251U (en) | 2016-08-24 | 2016-08-24 | Translocation mechanism of fiber -optic gyroscope north seeker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895833A (en) * | 2017-04-07 | 2017-06-27 | 北京机械设备研究所 | A kind of position detent mechanism of north finder four |
-
2016
- 2016-08-24 CN CN201620931892.1U patent/CN206095251U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895833A (en) * | 2017-04-07 | 2017-06-27 | 北京机械设备研究所 | A kind of position detent mechanism of north finder four |
| CN106895833B (en) * | 2017-04-07 | 2019-06-07 | 北京机械设备研究所 | A kind of four position detent mechanism of north finder |
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