CN207352255U - The concentricity adjusting apparatus of rotating shaft and optical axis based on double wedges - Google Patents
The concentricity adjusting apparatus of rotating shaft and optical axis based on double wedges Download PDFInfo
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- CN207352255U CN207352255U CN201721514233.9U CN201721514233U CN207352255U CN 207352255 U CN207352255 U CN 207352255U CN 201721514233 U CN201721514233 U CN 201721514233U CN 207352255 U CN207352255 U CN 207352255U
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- wedge
- rotating shaft
- bearing
- trim ring
- double
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Abstract
The concentricity adjusting apparatus of rotating shaft and optical axis based on double wedges, belong to optical-mechanical adjustment field, in order to solve the systematic optical axis and rotating shaft non-overlapping problem that rotating shaft is optical tubes, CCD camera, double wedge structure, rotational structure and parallel light tubes are sequentially coaxially set, and double wedge structure settings are in rotational structure;Double wedge structures are adhesively fixed for the first wedge with the first wedge seat, and the second wedge is adhesively fixed with the second wedge seat;Rotational structure is rotating shaft, trim ring and the outer trim ring of bearing are coaxially disposed in swivel sleeve, optical system, bearing, bearing, rotating shaft is connected fixation with swivel sleeve by trim ring outside trim ring in bearing, bearing and bearing, and shrink beam optical system is placed in rotating shaft;First wedge and the second wedge are successively set in revolution shaft end;First hole for injecting glue and the second hole for injecting glue are arranged on revolution shaft end, and corresponding with the second wedge seat and the first wedge seat respectively;The device can be applied to it is compact-sized, in small light system.
Description
Technical field
A kind of concentricity adjusting apparatus of the rotating shaft based on double wedges and optical axis is the utility model is related to, for rotating shaft
For the adjustment of optical axis in the system of optical tubes and rotating shaft concentricity when misaligned, belong to optical-mechanical adjustment field.
Background technology
Laser communication develops towards small light, low-power consumption and engineering direction, is required, adopted according to the envelope size of turntable
With bearing and motor arranged in parallel mode, axial dimension have compressed;And using rotating shaft as optical tubes, reduce radial ruler
It is very little, realize the design of turntable small light.
Although this small light is designed with many advantages, it is not coaxial with rotating shaft to occur optical axis during adjustment
The problem of.In order to improve the tracking accuracy of laser communication system, first have to ensure the concentricity of dimensional turntable mechanical axis and optical axis
It is required that but in existing optical device, typically ensure the concentricity of mechanical axis and optical axis by processing installation accuracy,
This method is more demanding with mounting process to processing, and precision is relatively low.Due to the laser beam optical axis of laser communication system
It is difficult to directly measure, so cause the angle between the optical axis of laser communication system and mechanical axis to be also difficult to directly measure, so that
It can not realize and accurately adjust.Because there is an urgent need to a kind of mechanism of simple possible to realize laser communication system mechanical axis and optical axis
Consistency adjustment.
Chinese Patent Application No. is " 201611142425.1 ", entitled " double wedge centering Method of Adjustment ", the party
Method realizes centering adjustment, but each wedge is required for one group of bearing in structure used in this method, and complicated, volume is big,
It cannot meet that small light structure adjusts demand for the concentricity of rotating shaft and optical axis.
Utility model content
The utility model proposes one to solve the systematic optical axis and rotating shaft non-overlapping problem that rotating shaft is optical tubes
The concentricity adjusting apparatus of rotating shaft and optical axis of the kind based on double wedges, has the characteristics that convenient and efficient, stability is good.
The utility model solve technical problem technical solution be:
Rotating shaft and light shaft coaxle degree adjusting apparatus based on double wedges, it is characterized in that, it includes CCD camera, double wedges
Structure, rotational structure and parallel light tube;CCD camera, double wedge structure, rotational structure and parallel light tubes are sequentially coaxially set, and
Double wedge structure settings are in rotational structure.
Double wedge structures are made of the first wedge, the second wedge, the first wedge seat and the second wedge seat;First wedge and
One wedge seat is adhesively fixed, and the second wedge is adhesively fixed with the second wedge seat.
Rotational structure has a rotating shaft, swivel sleeve, optical system, bearing, trim ring, bearing outer trim ring, first in bearing
Hole for injecting glue and the second hole for injecting glue;
Rotating shaft, swivel sleeve, optical system, bearing, trim ring and the outer trim ring of bearing are coaxially disposed in bearing, rotating shaft
Fixation is connected by trim ring outside trim ring in bearing, bearing and bearing with swivel sleeve, shrink beam optical system is placed in rotating shaft;
First wedge and the second wedge are successively set in revolution shaft end;First hole for injecting glue and the second hole for injecting glue are arranged on
Shaft end is turned round, and it is corresponding with the second wedge seat and the first wedge seat respectively.
The beneficial effects of the utility model are:
The device is compared to tradition centering Method of Adjustment equipment therefor, it is not necessary to carries out repeated disassembled and assembled finishing, shortens adjustment
In the cycle, reduce adjustment cost.And compared to existing double wedge Method of Adjustment, the utility model passes through the double light of screw thread rotation
Wedge, it is easy to adjust quick, it is easy to accomplish, adjustment process control, can be applied to it is compact-sized, in small light system.Finally lead to
Cross hole for injecting glue and carry out encapsulating, stability is good, ensures that the optical axis and revolution overlapping of axles of rear optical system are completed in adjustment.
Brief description of the drawings
Fig. 1 is rotating shaft of the utility model based on double wedges and light shaft coaxle degree adjusting apparatus structure diagram.
Fig. 2 is double wedge structure charts described in the utility model.
Fig. 3 is the double wedge structures and rotational structure installation diagram described in utility model.
Embodiment
The utility model is described in further details below in conjunction with the accompanying drawings.
As shown in Figure 1, rotating shaft and light shaft coaxle degree adjusting apparatus based on double wedges, including CCD camera 1, double wedges
Structure 2, rotational structure 3 and parallel light tube 4;CCD camera 1, double wedge structures 2, rotational structure 3 and parallel light tube 4 are sequentially coaxially
Set, and double wedge structures 2 are arranged in rotational structure 3.
As shown in Fig. 2, double wedge structures 2 are by the first wedge 2-1, the second wedge 2-2, the first wedge seat 2-3 and the second light
Wedge block 2-4 is formed;First wedge 2-1 is adhesively fixed with the first wedge seat 2-3, and the second wedge 2-2 is Nian Jie with the second wedge seat 2-4
It is fixed.
As shown in figure 3, rotational structure 3 has rotating shaft 3-1, swivel sleeve 3-2, optical system 3-3, bearing 3-4, bearing
Interior trim ring 3-5, bearing outer trim ring 3-6, the first hole for injecting glue 3-7 and the second hole for injecting glue 3-8.
Rotating shaft 3-1, swivel sleeve 3-2, optical system 3-3, bearing 3-4, the outer trim ring 3-6 of trim ring 3-5, bearing in bearing
It is coaxially disposed, rotating shaft 3-1 is connected with swivel sleeve 3-2 by trim ring 3-6 outside trim ring 3-5 in bearing 3-4, bearing and bearing
Fixed, shrink beam optical system 3-3 is placed in rotating shaft 3-1.
First wedge 2-1 and the second wedge 2-2 are successively set on inside rotating shaft 3-1 upper ends.
Concentricity is detected by parallel light tube 4 and CCD camera 1.By rotating the angle adjusted between two wedges,
Determine the position when optical axis of shrink beam optical system 3-3 is overlapped with the axis of rotating shaft 3-1, be bonded by the second hole for injecting glue 3-8
The first wedge seat 2-3 is fixed, is adhesively fixed the second wedge seat 2-4 by the first hole for injecting glue 3-7, again by directional light after curing
Pipe 4 and CCD camera 1 detect concentricity.
Rotating shaft of the utility model based on double wedges and light shaft coaxle degree method of adjustment, comprise the following steps:
Step 1, the second wedge 2-2 is placed in the second wedge seat 2-4, and the first wedge 2-1 is placed on the first wedge
In seat 2-3, injecting glue is fixed;
Step 2, the second wedge seat 2-4 is installed in rotating shaft 3-1, and second is adhesively fixed by the first hole for injecting glue 3-7
Wedge seat 2-4, rotating shaft 3-1 radial beat eccentricities are measured with amesdial, are adjusted the trim ring 3-5 and outer trim ring 3-6 of bearing in bearing, are made
Rotating shaft 3-1 radial beat eccentricities are zero;
Step 3, the first wedge seat 2-3 is installed in rotating shaft 3-1, on the second wedge seat 2-4, rotation revolution
Axis 3-1, adjusts the first wedge seat 2-3 positions;
Step 4, by parallel light tube 4 and rotating shaft 3-1 coaxial placements, before optical system 3-3, by CCD camera 1 with
Rotating shaft 3-1 coaxial placements, after optical system 3-3;Shone by parallel light tube 4, observe the rolling of the target in CCD camera 1
It is dynamic;When the optical axis of optical system 3-3 and the axis angle of rotating shaft 3-1 are β, the first wedge seat 2-3 rotation angles are γ=90 °
× beta/alpha, wherein α are the angle of wedge of the first wedge 2-1 and the second wedge 2-2;When rotating shaft 3-1 is rotated about axis, target position
It is fixed, show that the optical axis of optical system 3-3 is overlapped with the axis of rotating shaft 3-1;
Step 5, by the second hole for injecting glue 3-8 encapsulatings, fixed wedge seat 2-3;After resin adhesive curing, rotating shaft is rotated
3-1, observation target position whether and encapsulating before have deviation, such as zero deflection, then adjustment complete.
Claims (3)
1. rotating shaft and light shaft coaxle degree adjusting apparatus based on double wedges, it is characterized in that, it includes CCD camera (1), double wedges
Structure (2), rotational structure (3) and parallel light tube (4);CCD camera (1), double wedge structures (2), rotational structure (3) and directional light
Pipe (4) is sequentially coaxially set, and double wedge structures (2) are arranged in rotational structure (3).
2. the rotating shaft according to claim 1 based on double wedges and light shaft coaxle degree adjusting apparatus, it is characterised in that double
Wedge structure (2) is by the first wedge (2-1), the second wedge (2-2), the first wedge seat (2-3) and second wedge seat (2-4) group
Into;First wedge (2-1) is adhesively fixed with the first wedge seat (2-3), and the second wedge (2-2) is Nian Jie with the second wedge seat (2-4)
It is fixed.
3. the rotating shaft according to claim 2 based on double wedges and light shaft coaxle degree adjusting apparatus, it is characterised in that rotation
Rotation structure (3) includes rotating shaft (3-1), swivel sleeve (3-2), optical system (3-3), bearing (3-4), trim ring (3- in bearing
5), bearing outer trim ring (3-6), the first hole for injecting glue (3-7) and the second hole for injecting glue (3-8);
Rotating shaft (3-1), swivel sleeve (3-2), optical system (3-3), bearing (3-4), in bearing outside trim ring (3-5) and bearing
Trim ring (3-6) is coaxially disposed, rotating shaft (3-1) and swivel sleeve (3-2) by trim ring (3-5) in bearing (3-4), bearing and
Outer trim ring (3-6) connection of bearing is fixed, and shrink beam optical system (3-3) is placed in rotating shaft (3-1);
First wedge (2-1) is successively set in rotating shaft (3-1) end with the second wedge (2-2);First hole for injecting glue (3-7) and
Second hole for injecting glue (3-8) is arranged on rotating shaft (3-1) end, and respectively with the second wedge seat (2-4) and the first wedge seat (2-3)
It is corresponding.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721514233.9U CN207352255U (en) | 2017-11-14 | 2017-11-14 | The concentricity adjusting apparatus of rotating shaft and optical axis based on double wedges |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721514233.9U CN207352255U (en) | 2017-11-14 | 2017-11-14 | The concentricity adjusting apparatus of rotating shaft and optical axis based on double wedges |
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CN207352255U true CN207352255U (en) | 2018-05-11 |
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CN201721514233.9U Expired - Fee Related CN207352255U (en) | 2017-11-14 | 2017-11-14 | The concentricity adjusting apparatus of rotating shaft and optical axis based on double wedges |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107703600A (en) * | 2017-11-14 | 2018-02-16 | 长春理工大学 | The coaxiality adjusting method and device of gyroaxis and optical axis based on double wedges |
-
2017
- 2017-11-14 CN CN201721514233.9U patent/CN207352255U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107703600A (en) * | 2017-11-14 | 2018-02-16 | 长春理工大学 | The coaxiality adjusting method and device of gyroaxis and optical axis based on double wedges |
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Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 Termination date: 20211114 |
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CF01 | Termination of patent right due to non-payment of annual fee |