CN206290923U - Three axle rotary positioning mechanisms - Google Patents
Three axle rotary positioning mechanisms Download PDFInfo
- Publication number
- CN206290923U CN206290923U CN201621074625.3U CN201621074625U CN206290923U CN 206290923 U CN206290923 U CN 206290923U CN 201621074625 U CN201621074625 U CN 201621074625U CN 206290923 U CN206290923 U CN 206290923U
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- bearing pin
- fixed
- self
- sleeve
- return spring
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Abstract
This application discloses a kind of three axles rotary positioning mechanism, including the first self-locking mechanism, the second self-locking mechanism and the turntable that can be rotated, circular orbit is fixed with the turntable, the circular orbit inner ring is provided with swivel becket, the swivel becket can be rotated on circular orbit, the swivel becket is provided with rotating shaft, and the rotating shaft can be rotated relative to the swivel becket；Fixation is arranged with positioning rotor in the rotating shaft, and the positioning rotor is provided with stop part；First self-locking mechanism includes the first bearing pin, the first sleeve and the first return spring；The self-locking platform is fixed on the swivel becket；The circular orbit is provided with some location divisions；Second self-locking mechanism includes the second bearing pin, second sleeve and the second return spring, and the fixed platform is fixed on the swivel becket.The utility model realizes that three axles are freely rotated in different angle lock-bits without interference by setting self-locking mechanism.
Description
Technical field
The disclosure relates generally to aerospace field, and in particular to three axle rotary positioning mechanisms.
Background technology
Three axle rotating mechanisms are widely used in various occasions, most typically three-axis gyroscope.Three-axis gyroscope can be same
When determine 6 positions in direction, motion track, accelerate.The amount that both direction can only be measured of single shaft, a that is, system is needed
Want three gyroscopes, and one of 3 axles can just substitute three single shafts.The small volume of 3 axles, lightweight, simple structure, reliability
It is good, it is the base components of laser gyro development.Existing most of three axle rotating mechanisms are only three degree of freedom rotation, and
Rotation is uncontrolled in itself or only constant resistance mechanism, it is impossible to realize the accurate rotational positioning of angle of each axle.
Utility model content
In view of drawbacks described above of the prior art or deficiency, expect that providing one kind realizes that three axles are accurately positioned after rotating freely
Three axle rotary positioning mechanisms.
To achieve these goals, the utility model is adopted the technical scheme that：
This hair utility model provides a kind of three axles rotary positioning mechanism, including the first self-locking mechanism and turning for can rotating
Platform, is fixed with circular orbit on the turntable, the circular orbit inner ring is provided with swivel becket, and the swivel becket can turn on circular orbit
Dynamic, the swivel becket is provided with rotating shaft, and the rotating shaft can be rotated relative to the swivel becket；
Positioning rotor is fixed with the rotating shaft, the positioning rotor is provided with stop part；
First self-locking mechanism include the first bearing pin, the first sleeve and the first return spring, on first bearing pin according to
Secondary to be arranged with the first return spring and the first sleeve, first sleeve is fixed on self-locking platform, first return spring
One end is connected with the first bearing pin, the other end and first sleeve connection, and one end of first bearing pin can extend into the resistance
In stopper, when first bearing pin departs from the stop part, first return spring can be made to produce elastic deformation, with
The rotation of rotor is positioned, the elastic acting force produced by elastic deformation can make first bearing pin position rotor after entering rotation
Another stop part in, for preventing the rotating shaft from being rotated；
The self-locking platform is fixed on the swivel becket.
Compared with prior art, the beneficial effects of the utility model are：
The utility model is postrotational at an arbitrary position from locking by setting the first self-locking mechanism, achievable rotating shaft, originally
Utility model is capable of achieving on the first self-locking mechanism insertion positioning rotor by setting multiple stop parts in uniform M stop part
The positioned at intervals of 360 °/M, and interlocked under the effect of the first return spring power, so as to realize the precise positioning of rotating shaft.
Brief description of the drawings
By the detailed description made to non-limiting example made with reference to the following drawings of reading, the application other
Feature, objects and advantages will become more apparent upon：
The structural representation of the three axle rotary positioning mechanisms that Fig. 1 is provided for the utility model embodiment；
The side view of the three axle rotary positioning mechanisms that Fig. 2 is provided for the utility model embodiment；
The structural representation that Fig. 3 is connected for self-locking mechanism that the utility model embodiment is provided with circular orbit, swivel becket；
Fig. 4 is enlarged drawing at I in Fig. 2；
A kind of postrotational structural representation of the three axle rotary positioning mechanisms that Fig. 5 is provided for the utility model embodiment；
Another postrotational structural representation of the three axle rotary positioning mechanisms that Fig. 6 is provided for the utility model embodiment
Figure；
Fig. 7 is the front view of Fig. 6；
The partial sectional view of the first self-locking mechanism that Fig. 8 is provided for the utility model embodiment；
The front view of the first self-locking mechanism that Fig. 9 is provided for the utility model embodiment；
The procedure chart of the self-locking positioning mechanism lock-bit that Figure 10-Figure 14 is provided for the utility model embodiment.
In figure：1 turntable；2 first self-locking mechanisms, 20 first bearing pins, 21 first sleeves, 22 first return springs, 23 first
Plug, 24 first shaft shoulders, 25 first pads；3 second self-locking mechanisms, 30 second bearing pins, 31 second sleeves, 32 second return bullets
Spring, 33 second plugs, 34 second shaft shoulders, 35 second pads；4 blind flanges；5 circular orbits；6 swivel beckets；7 location divisions；8 annular knurl spiral shells
It is female；9 self-locking platforms；10 positioning rotors, the grooves of 10a first, the grooves of 10b second, the grooves of 10c the 3rd, the grooves of 10d the 4th, 10e arcs
Shape guide part；11 fixed platforms；12 fixed seats, 12a pilot holes；13 rotating shafts；14 stop parts；15 support bases；16 bases；17 axles
Hold.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining relevant utility model, rather than the restriction to the utility model.Further need exist for explanation
, for the ease of description, the part related to utility model is illustrate only in accompanying drawing.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the application in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of three axles rotary positioning mechanism, including the first self-locking mechanism 2 and can rotate
Turntable 1, circular orbit 5 is fixed with turntable 1, the inner ring of circular orbit 5 is provided with swivel becket 6, and swivel becket 6 can turn on circular orbit 5
It is dynamic, rotating shaft 13 is fixed with swivel becket 6, rotating shaft 13 can be rotated relative to swivel becket 6, it is preferable that rotating shaft 13 is along circular orbit 5
It is radially arranged；
Positioning rotor 10 is fixed with rotating shaft 13, positioning rotor 10 is provided with stop part 14；
First self-locking mechanism 2 includes the first bearing pin 20, the first sleeve 21 and the first return spring 22, the first bearing pin 20
On be arranged with the first return spring 22 and the first sleeve 21 successively, the first sleeve 21 is fixed on self-locking platform 9, the first return bullet
The one end of spring 22 is connected with the first bearing pin 20, and the other end is connected with the first sleeve 21, and one end of the first bearing pin 20 can extend into stop
In portion 14, when the first bearing pin 20 departs from stop part 14, the first return spring 22 can be made to produce elastic deformation, as positioning turns
The rotation of son 10, the elastic acting force produced by elastic deformation can make the first bearing pin 20 position the another of rotor after entering rotation
In individual stop part 14, for preventing rotating shaft 13 from being rotated；
Self-locking platform 9 is fixed on swivel becket 6.
The present embodiment on the basis of above-described embodiment, also including the second self-locking mechanism 3；
Circular orbit 5 is provided with some location divisions 7；
Second self-locking mechanism 3 includes the second bearing pin 30, the return spring 32 of second sleeve 31 and second, on the second bearing pin 30 according to
Secondary to be arranged with the second return spring 32 and second sleeve 31, second sleeve 31 is fixed in fixed platform 11, the second return spring
32 one end are connected with the second bearing pin 30, and the other end is connected with second sleeve 31, and one end of the second bearing pin 30 can extend into location division 7
In, when the second bearing pin 30 departs from location division 7, can make the second return spring 32 that elastic deformation occurs, with the rotation of turntable 1
Turn, circular orbit 5 rotates together with turntable 1, the elastic acting force energy produced by elastic deformation that the second return spring 32 is produced
Enough make the second bearing pin 30 into after rotating in another location division 7 of circular orbit 5, for preventing swivel becket 6 from being rotated.
The utility model realizes three axle diverse location lock-bits simultaneously.
The present embodiment is on the basis of above-described embodiment, and stop part 14 is the groove for being arranged on positioning rotor 10 edge, fixed
Position portion 7 is the location hole being arranged on circular orbit 5.
The present embodiment on the basis of above-described embodiment, the angle of the Plane of rotation of swivel becket 6 and the Plane of rotation of turntable 1
It is 60 ° -90 °.Certainly 70 ° or other angles are also can select, from 90 ° of control systems for being suitable for use with standard rectangular coordinate system
System.
On the basis of above-described embodiment, in order to ensure the stability of swivel becket, turntable 1 is provided with support base to the present embodiment
15, the both sides of support base 15 are provided with base 16, and support base 15 is provided with circular orbit 5.
On the basis of above-described embodiment, circular orbit 5 is threadedly coupled flange lid 4, blind flange 4 and swivel becket 6 to the present embodiment
Gap is formed to coordinate.
On the basis of above-described embodiment, rotating shaft 13 is respectively arranged at two ends with a fixed seat 12 to the present embodiment；Fixed seat 12
It is fixed on swivel becket 6；
A bearing 17 is provided with each fixed seat 12, the one end of rotating shaft 13 is arranged in bearing 17, other end connection positioning turns
Son 10, positioning rotor 10 is arranged in another bearing 17, and the fixed seat 12 for being inside provided with positioning rotor 10 is provided with pilot hole, the
One bearing pin 20 can stretch into stop part 14 by pilot hole.
Preferred fixed form：The upper and lower ends of one fixed seat 12 are fixedly connected fixed platform 11, and upper and lower ends are consolidated
Also by screw connection swivel becket 6, the upper end of another fixed seat 12 is provided with self-locking platform 9 to fixed platform 11, and lower end is provided with fixation
Platform 11, self-locking platform 9, fixed seat 12 and fixed platform 11 are by screw connection, self-locking platform 9, swivel becket 6 and fixed platform
11 pass sequentially through screw connection.
Referring to Fig. 4, Fig. 8 and Fig. 9, the present embodiment is arranged with first on the basis of above-described embodiment on the first bearing pin 20
Plug 23, the first plug 23 is connected through a screw thread the first sleeve 21, and the first bearing pin 20 is provided with first shaft shoulder 24, the first return bullet
Spring 22 is arranged between the top of first shaft shoulder 24 and the first sleeve 21, or the one end of the first return spring 22 is fixed on the first plug
On 23, the other end is fixed on first shaft shoulder 24.
The present embodiment is arranged with the second plug 33, the second plug 33 on the basis of above-described embodiment on the second bearing pin 30
Second sleeve 31 is connected through a screw thread, the second bearing pin 30 is provided with second shaft shoulder 34, and the second return spring 32 is arranged on the second axle
Between the top of shoulder 34 and second sleeve 31, or the one end of the second return spring 32 is fixed on the second plug 33, and the other end is fixed
On second shaft shoulder 34.
When return spring of the present utility model is located between the shaft shoulder and sleeve, bearing pin is pulled out upwards, return spring is in
Compressive state, makes the power of bearing pin return for spring is affranchised the elastic force of state by compressive state；When return of the present utility model
Spring one end is fixed on plug, and the other end is fixed on second shaft shoulder, and bearing pin is pulled out upwards, and return spring is in stretching shape
State, makes the power of bearing pin return for spring is affranchised the elastic force of state by extended state.
Referring to Fig. 4 and Fig. 8, the present embodiment on the basis of above-described embodiment, the first bearing pin 20 and/or the second bearing pin 30
Top is connected through a screw thread knurled nut 8.Operator is facilitated to screw knurled nut 8 to pull out bearing pin.
Referring to Fig. 4, on the basis of above-described embodiment, for the ease of fixation, the first sleeve 21 is fixedly connected the present embodiment
First pad 25, by screw connection self-locking platform 9, self-locking platform 9 is sequentially connected fixed seat 12 to the first pad 25 by screw
The second pad 35 is fixedly connected with fixed platform 11, and/or second sleeve 31, the second pad 35 passes through screw connection self-locking platform
9。
Referring to Fig. 1, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, turntable 1 is round turntable, and turntable 1 is the single shaft driven by conventional motors
Whirligig, swivel becket 6 can be rotated around circular orbit 5, and rotating shaft 13 is rotated relative to swivel becket 6, the self-locking of the utility model second
Mechanism 3 constitutes Y-axis detent mechanism with circular orbit 5.Uniform N number of location hole can be realized on the insertion circular orbit 5 of second self-locking mechanism 3
The positioned at intervals of 360 °/N, and interlocked under the power effect of the second return spring 32.
First self-locking mechanism 2 constitutes X-axis detent mechanism with positioning rotor 10.The insertion positioning rotor 10 of first self-locking mechanism 2
The positioned at intervals of 360 °/M is capable of achieving in upper uniform M groove, and is interlocked under the effect of the first return spring power 22.
The utility model can realize that the angle of determining of each axle is accurately positioned while realizing that three axles are rotated freely, also.It is real
Existing three axles are freely rotated in different angle lock-bits without interference.
Be described in detail the self-locking operating process of self-locking positioning mechanism by taking the first self-locking positioning mechanism as an example below.
Referring to Fig. 8 and Fig. 9, if uniformly offering n identical groove (n on self-locking positioning mechanism provided herein
It is natural number, not less than 2), adjacent two groove is 360/n ° relative to the angle at positioning rotor 10 center to n.Automatic locking positioning device
The course of work is that the first bearing pin 20 is pulled out from groove；When positioning rotor 10 starts to rotate under the drive of rotary shaft, pine
The first bearing pin 20 is opened, the first bearing pin 20 after release can be in the presence of the restoring force of the first return spring 22 along pilot hole
The quick position motion toward where positioning rotor 10 in direction where 12a, turns when the first end of the first bearing pin 20 touches positioning
During son 10, the rotation amplitude for positioning rotor is much smaller than 360/n °, and the first bearing pin 20 is close to position the arcuate guide portion of rotor 10,
Position rotor 10 operating under the first bearing pin 20 according under the guide effect of arcuate guide portion enter close to next groove in,
Realize the self-locking of countershaft.
The default circumferencial direction of rotor 10 is positioned as shown in Figure 10-Figure 14, in the application and be set as wink clockwise, position
Uniformly 4 identical grooves, such as the first groove of figure 10a, the second groove 10b, the 3rd groove have been opened up on the edge of rotor 10
10c, the 4th groove 10d, adjacent two groove are 90 ° relative to the angle at positioning rotor 10 center.As shown in Figure 10, the first bearing pin
20 are drawn out the first groove 10a；Such as Figure 11, during positioning 10 setting in motion of rotor, the first bearing pin 20 is unclamped, the first bearing pin 20 is the
The quick position toward where positioning rotor 10 in direction in the presence of the restoring force of one return spring 22 along pilot hole is moved, and is positioned
Much smaller than 90 °, (in the case of uniformly opening up 4 grooves, the first end of general first bearing pin 20 is touched the amplitude that rotor is rotated
During positioning rotor 10, positioning rotor 10 rotates 5 ° -10 °), the arc that the first end of the first bearing pin 20 is contacted with positioning rotor 10 is led
To portion 10e；As shown in figures 11-14, positioning rotor remained in operation under the drive of coupled rotating shaft, the first bearing pin 20 with
The movement of arcuate guide portion levels off to the second groove 10b；As shown in figure 14, the first bearing pin 20 enters the second groove 10b, realizes certainly
Locking bit.
Above description is only the preferred embodiment and the explanation to institute's application technology principle of the application.People in the art
Member is it should be appreciated that involved utility model scope in the application, however it is not limited to the particular combination of above-mentioned technical characteristic
Technical scheme, while should also cover not departing from the case that the utility model conceives, by above-mentioned technical characteristic or its be equal to
Other technical schemes that feature is combined and is formed.Such as features described above has with (but not limited to) disclosed herein
The technical scheme that the technical characteristic for having similar functions is replaced mutually and formed.
Claims (12)
1. a kind of three axles rotary positioning mechanism, it is characterised in that including the first self-locking mechanism and the turntable that can be rotated, described turn
Circular orbit is fixed with platform, the circular orbit inner ring is provided with swivel becket, and the swivel becket can be rotated on circular orbit, described turn
Rotating ring is provided with rotating shaft, and the rotating shaft can be rotated relative to the swivel becket；
Positioning rotor is fixed with the rotating shaft, the positioning rotor is provided with stop part；
First self-locking mechanism includes the first bearing pin, the first sleeve and the first return spring, is covered successively on first bearing pin
The first return spring and the first sleeve are provided with, first sleeve is fixed on self-locking platform, described first return spring one end
It is connected with the first bearing pin, the other end and first sleeve connection, one end of first bearing pin can extend into the stop part
In, when first bearing pin departs from the stop part, first return spring can be made to produce elastic deformation, with positioning
The rotation of rotor, the elastic acting force produced by elastic deformation can make first bearing pin position the another of rotor after entering rotation
In one stop part, for preventing the rotating shaft from being rotated；
The self-locking platform is fixed on the swivel becket.
2. three axles rotary positioning mechanism according to claim 1, it is characterised in that also including the second self-locking mechanism；
The circular orbit is provided with some location divisions；
Second self-locking mechanism includes the second bearing pin, second sleeve and the second return spring, is covered successively on second bearing pin
The second return spring and second sleeve are provided with, the second sleeve is fixed on self-locking platform, described second return spring one end
It is connected with the second bearing pin, the other end is connected with the second sleeve, one end of second bearing pin can extend into the location division
In, when second bearing pin departs from the location hole, can make second return spring that elastic deformation occurs, with described
The rotation of turntable, the circular orbit rotates together with turntable, produced by the elastic deformation that second return spring is produced
Elastic acting force can make second bearing pin into after rotating in another location division of circular orbit, for preventing the rotation
Ring is rotated.
3. three axles rotary positioning mechanism according to claim 2, it is characterised in that the stop part is described fixed to be arranged on
The groove of position rotor edge, the location division is the location hole being arranged on circular orbit.
4. three axles rotary positioning mechanism according to claim 1, it is characterised in that the Plane of rotation of the swivel becket and institute
The angle for stating the Plane of rotation of turntable is 60-90 °.
5. three axles rotary positioning mechanism according to claim 1, it is characterised in that the turntable is provided with support base, institute
State support base both sides and be provided with base, the support base is provided with the circular orbit.
6. three axles rotary positioning mechanism according to claim 1, it is characterised in that the circular orbit is threadedly coupled flange
Lid, the blind flange forms gap and coordinates with swivel becket.
7. three axle rotary positioning mechanisms according to claim any one of 1-6, it is characterised in that the two ends of the rotating shaft point
A fixed seat is not provided with；
The fixed seat is fixed on swivel becket；
A bearing is provided with each described fixed seat, described rotating shaft one end is arranged in bearing, other end connection positioning rotor, institute
State positioning rotor to be arranged in another bearing, the fixed seat for being inside provided with positioning rotor is provided with pilot hole, first bearing pin
Stop part can be stretched into by pilot hole.
8. three axles rotary positioning mechanism according to claim 7 a, it is characterised in that upper and lower ends for the fixed seat
Fixed platform is fixedly connected, the fixed platform of upper and lower ends also passes through screw connection swivel becket；
The upper end of another fixed seat is provided with self-locking platform, and lower end is provided with fixed platform, the self-locking platform, fixed seat and fixation
By screw connection, the self-locking platform, swivel becket and fixed platform pass sequentially through screw connection to platform.
9. three axles rotary positioning mechanism according to claim 8, it is characterised in that be arranged with first on first bearing pin
Plug, first plug is connected through a screw thread the first sleeve, and first bearing pin is provided with first shaft shoulder, first return
Spring is arranged between the top of first shaft shoulder and first sleeve, or described first return spring one end is fixed on institute
State on the first plug, the other end is fixed on first shaft shoulder.
10. three axles rotary positioning mechanism according to claim 2, it is characterised in that is arranged with second bearing pin
Two plugs, second plug is connected through a screw thread second sleeve, and second bearing pin is provided with second shaft shoulder, described second time
Position spring is arranged between second shaft shoulder and the top of the second sleeve, or described second return spring one end is fixed on
On second plug, the other end is fixed on second shaft shoulder.
11. three axles rotary positioning mechanisms according to claim 10, it is characterised in that first bearing pin and/or second
The top of bearing pin is connected through a screw thread knurled nut.
12. three axles rotary positioning mechanisms according to claim 11, it is characterised in that first sleeve is fixedly connected
One pad, first pad is sequentially connected fixation by self-locking platform described in screw connection, the self-locking platform by screw
Seat and fixed platform, and/or the second sleeve are fixedly connected the second pad, and second pad passes through described in screw connection certainly
Lock platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621074625.3U CN206290923U (en) | 2016-09-22 | 2016-09-22 | Three axle rotary positioning mechanisms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621074625.3U CN206290923U (en) | 2016-09-22 | 2016-09-22 | Three axle rotary positioning mechanisms |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206290923U true CN206290923U (en) | 2017-06-30 |
Family
ID=59095230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621074625.3U Withdrawn - After Issue CN206290923U (en) | 2016-09-22 | 2016-09-22 | Three axle rotary positioning mechanisms |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206290923U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352211A (en) * | 2016-09-22 | 2017-01-25 | 顺丰科技有限公司 | Three-axis rotating and positioning mechanism |
-
2016
- 2016-09-22 CN CN201621074625.3U patent/CN206290923U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352211A (en) * | 2016-09-22 | 2017-01-25 | 顺丰科技有限公司 | Three-axis rotating and positioning mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170630 Effective date of abandoning: 20181130 |