CN104006826B - A kind of light-combining prism adjusting apparatus - Google Patents
A kind of light-combining prism adjusting apparatus Download PDFInfo
- Publication number
- CN104006826B CN104006826B CN201410223828.3A CN201410223828A CN104006826B CN 104006826 B CN104006826 B CN 104006826B CN 201410223828 A CN201410223828 A CN 201410223828A CN 104006826 B CN104006826 B CN 104006826B
- Authority
- CN
- China
- Prior art keywords
- light
- combining prism
- hinged
- swing arm
- linear drives
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
- G01C25/005—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass initial alignment, calibration or starting-up of inertial devices
-
- 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
- G01C19/58—Turn-sensitive devices without moving masses
- G01C19/64—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/1805—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for prisms
Abstract
The present invention relates to a kind of light-combining prism adjusting apparatus.Including an optical table, a light-combining prism adjustment mechanism and optical element to be assembled, light-combining prism adjustment mechanism is arranged on optical table left side, and optical element to be assembled is placed on optical table right side；There is linear drives bar to drive it to move in the light-combining prism adjustment mechanism, and there are four micromachines to drive the clamping for treating assembling element, so as to realize the adjustment of light-combining prism.The present invention using light-combining prism adjustment mechanism movement output track that the method that motor and linear drives bar jointly control is set up it is flexible, working space is big, operability good, positioning precision is high, angle, the position regulating function of light-combining prism are favorably improved, and then improve the quality and efficiency of laser gyro closing light technique.
Description
Technical field
The present invention relates to laser gyro closing light field, particularly a kind of light-combining prism adjusting apparatus.
Technical background
Laser gyro has that quick-reaction capability is strong, range of dynamic measurement is wide, the linearity good, dynamic error is small, high accuracy,
High reliability, is widely used in strap-down inertial navigation system.The closing light of laser gyro refers in laser gyro
The position of accurate adjustment light-combining prism and photoelectric tube in manufacturing process so that produced when the laser beam of operation is exported in resonant cavity
Interference, accurately obtains corresponding to the frequency difference information of gyro angular speed.The adjustment of light-combining prism is the important set of laser gyro closing light
Into part, the light-combining prism adjusting process during the closing light of country's laser gyro is assembled at present mainly uses manual mode of operation, by
Influenceed in factors such as the experience by operating personnel, skills, the quality and efficiency for manually adjusting light-combining prism cannot
The need for meeting laser gyro production.
The content of the invention
It is existing using problem present in manually-operated light-combining prism adjusting process it is an object of the invention to be directed to,
A kind of light-combining prism adjusting apparatus are provided, positioning precision is high, operability is good, output trajectory is flexible, working space is big, contributes to
Improve the quality and efficiency of laser gyro closing light technique.
To reach above-mentioned purpose, thinking of the invention is as follows：
Consider that mechanical structure completes the convenience of closing light assembling, resonant cavity should be placed vertically, that is, assemble light-combining prism
Plane mirror and plane-parallel.To complete closing light task, light-combining prism need to planar carry out X, Y in plane mirror
To rotation mobile and about the z axis, meanwhile, to adapt to various sizes of resonant cavity, also need the upper and lower translation of Z-direction to move, and it is flat
Shifting movement required precision is low, and running accuracy requirement is high, should require that big stroke is mutually tied with small stroke in formal application scenario in addition
Close, therefore, light-combining prism adjustment mechanism is clamped by a two-dimentional slew gear, an one-dimensional slew gear and a light-combining prism
Mechanisms in series is constituted, and is used to realize the motion of light-combining prism.
Based on above thinking, the present invention is adopted the following technical scheme that：
A kind of light-combining prism light-combining prism adjusting apparatus, including an optical table, a light-combining prism adjustment mechanism and
Optical element to be assembled, the light-combining prism adjustment mechanism is arranged on optical table left side, and optical element to be assembled is placed on light
Learn platform dextral；There is linear drives bar to drive it to move in the light-combining prism adjustment mechanism, and there are four micromachines to drive
Clamping to optical element to be assembled, so as to realize the adjustment of light-combining prism.
A kind of light-combining prism light-combining prism adjustment mechanism by a two-dimentional slew gear, an one-dimensional slew gear and
One light-combining prism clamping device is composed in series, and described base plate is fixed on the left side of optical table, and two-dimentional slew gear passes through
First hook hinge is connected with base plate, and one-dimensional slew gear is connected by rotary pair with two-dimentional slew gear, light-combining prism clamping
Mechanism is connected by the second hook hinge with one-dimensional slew gear.The position adjustment of light-combining prism is by two-dimentional slew gear, one-dimensional
Slew gear is completed, and angle adjustment is completed by one-dimensional slew gear and light-combining prism clamper, the clamping of light-combining prism, positioning by
Light-combining prism clamper is realized.
Described two-dimentional slew gear is by two-dimentional swing arm, first straight line drive rod and second straight line group of drive rods into two dimension
Swing arm is connected by the first hook hinge with base plate, and first straight line drive rod one end is connected by the tenth ball pivot with two-dimentional swing arm
Connect, the first straight line drive rod other end is connected by the first ball pivot with base plate, second straight line drive rod one end passes through the second ball
Hinge is connected with two-dimentional swing arm, and the second straight line drive rod other end is connected by the 3rd ball pivot with base plate.First straight line drives
Bar and second straight line drive rod can combination drive two dimension swing arm motion, realize two-dimentional swing arm around two two dimensions of axis of hook hinge
Rotate, be capable of achieving the big Stroke Control of light-combining prism clamper.
Described one-dimensional slew gear is made up of one-dimensional swing arm and the 3rd linear drives bar, one-dimensional swing arm by rotary pair with
Two-dimentional swing arm is connected, and the 3rd linear drives bar one end is connected by the 4th ball pivot with one-dimensional swing arm, the 3rd linear drives bar
The other end is connected by the 5th ball pivot with two-dimentional swing arm.3rd linear drives bar drives one-dimensional swing arm motion, realizes one-dimensional flow
Arm is capable of achieving the small Stroke Control of light-combining prism around the one-dimensional rotation of revolution secondary axis.
Described light-combining prism clamping device is by light-combining prism clamper, the 4th linear drives bar, the 5th linear drives bar
Composition, light-combining prism clamper is connected on one-dimensional swing arm by the second Hooke's hinge, and the 4th linear drives bar one end passes through the 6th
Ball pivot is connected with to one-dimensional swing arm, and the 4th linear drives bar other end is connected by the 7th ball pivot with light-combining prism clamper
Connect, the 5th linear drives bar one end is connected by the 8th ball pivot with one-dimensional swing arm, the 5th linear drives bar other end is by the
Nine ball pivots are connected with light-combining prism clamper.4th linear drives bar and the 5th linear drives bar also can combination drive closing light ribs
Mirror clamper is moved, and realizes two-dimensional rotary of the light-combining prism clamper around Hooke's hinge two axial lines.
Described light-combining prism clamper adjusts chamber framework, four micromachines, four bands effectively by a light-combining prism
The screw composition of sensor, one end of described screw is connected with micromachine, other end configuration force snesor, is evenly distributed on
Light-combining prism adjusts chamber framework both sides, and steering and the amount of feeding of micromachine are controlled by the feedback information of force snesor, and then
Realize Automatic-clamping and the release of light-combining prism.
The position adjustment of light-combining prism is completed by two-dimentional slew gear, one-dimensional slew gear, and angle adjustment is by one-dimensional revolution
Mechanism and light-combining prism clamper are completed, and the clamping of light-combining prism, positioning are realized by light-combining prism clamper.
For the present invention is compared with prior art, with following obvious prominent substantive distinguishing features and notable technological progress：
Simple structure, operability is good, and positioning precision is high, and flexibly, working space is big, can effectively improve light-combining prism for output trajectory
Regulated efficiency, and then improve the quality and efficiency of laser gyro closing light technique.
Brief description of the drawings
Fig. 1 is a kind of light-combining prism adjusting apparatus structural representation of the present invention
Fig. 2 is a kind of optical component schematic diagram to be assembled of light-combining prism adjusting apparatus of the present invention
Fig. 3 is a kind of light-combining prism adjustment mechanism structural representation of light-combining prism adjusting apparatus of the present invention
Fig. 4 is a kind of two-dimentional slew gear structural representation of light-combining prism adjusting apparatus of the present invention
Fig. 5 is a kind of one-dimensional slew gear structural representation of light-combining prism adjusting apparatus of the present invention
Fig. 6 is a kind of light-combining prism clamping device structural representation of light-combining prism adjusting apparatus of the present invention
Fig. 7 is a kind of light-combining prism holder structure schematic diagram of light-combining prism adjusting apparatus of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings and preferred embodiment is described further to technical scheme.
Embodiment one：
Compares figure 1, this light-combining prism adjusting apparatus, including optical table (1), a light-combining prism adjustment mechanism
And optical element to be assembled (3) (2).It is characterized in that：Light-combining prism adjustment mechanism (2) is treated installed in optical table (1) left side
Assembling optical element (3) is placed on optical table (1) right side；There is linear drives bar in the light-combining prism adjustment mechanism (2)
(16,19,23,27,30) drive it to move, and have four micromachines (35) to drive the clamping to optical element to be assembled (3),
So as to realize the adjustment of light-combining prism.
Embodiment two：The present embodiment is essentially identical with embodiment one, and special feature is as follows：
Compares figure 1,2, described optical element to be assembled (3) is by laser gyro (5), level crossing (6), light-combining prism (7)
Composition.Described level crossing (6) lies in a horizontal plane in laser gyro (5) laser beam exits mouthful, and light-combining prism (7) lies in a horizontal plane in flat
On face mirror (6).
Compares figure 1,3, described light-combining prism adjustment mechanism (2) is by a base plate (9), a two-dimentional slew gear
(10), an one-dimensional slew gear (11) and light-combining prism clamping device (12) composition.Described base plate (9) is fixed on light
The left side of platform (1) is learned, two-dimentional slew gear (10) is connected by the first hook hinge (14) with base plate (9), one-dimensional turn-around machine
Structure (11) is connected by rotary pair (21) with two-dimentional slew gear (10), and light-combining prism clamping device (12) is by the second Hooke
Hinge (32) is connected with one-dimensional slew gear (11).The position adjustment of light-combining prism (7) is by two-dimentional slew gear (10), one-dimensional
Slew gear (11) is completed, and angle adjustment is completed by one-dimensional slew gear (11) and light-combining prism clamper (23), light-combining prism
(7) clamping, positioning are realized by light-combining prism clamper (23).
Compares figure 1,3,4, described two-dimentional slew gear (10) by two-dimentional swing arm (13), first straight line drive rod (16) and
Second straight line drive rod (19) is constituted, and two-dimentional swing arm (13) is connected by the first hook hinge (14) with base plate (9), and first is straight
Line drive rod (16) one end is connected by the tenth ball pivot (17) with two-dimentional swing arm (13), first straight line drive rod (16) other end
It is connected with base plate (9) by the first ball pivot (15), second straight line drive rod (19) one end is by the second ball pivot (20) and two dimension
Swing arm (13) is connected, and second straight line drive rod (19) other end is connected by the 3rd ball pivot (18) with base plate (9).
Compares figure 1,3,5, described one-dimensional slew gear (11) is by one-dimensional swing arm (25) and the 3rd linear drives bar (23)
Composition, one-dimensional swing arm (25) is connected by rotary pair (21) with two-dimentional swing arm (13), and the 3rd linear drives bar (23) one end leads to
The 4th ball pivot (24) is crossed to be connected with one-dimensional swing arm (25), the 3rd linear drives bar (23) other end by the 5th ball pivot (22) with
Two-dimentional swing arm (13) is connected.
Compares figure 1,3,6, described light-combining prism clamping device (12) is driven by light-combining prism clamper (33), the 4th straight line
Lever (27) and the 5th linear drives bar (30) are constituted, and light-combining prism clamper (33) is connected to by the second hook hinge (32)
On one-dimensional swing arm (25), the 4th linear drives bar (27) one end is connected by the 6th ball pivot (26) with one-dimensional swing arm (25), the
Four linear drives bar (27) other ends are connected by the 7th ball pivot (28) with light-combining prism clamper (33), the 5th linear drives
Bar (30) one end is connected by the 8th ball pivot (29) with one-dimensional swing arm (25), and the 5th linear drives bar (30) other end is by the
Nine ball pivots (31) are connected with light-combining prism clamper (33).
Compares figure 1,3,6,7, described light-combining prism clamper (33) adjusts chamber framework (34), four by a light-combining prism
Individual micromachine (35) and four force sensor screw (36) compositions.The screw (36) is connected with micromachine (35),
Light-combining prism adjustment chamber framework (34) both sides are evenly distributed on, by the steering of feedback information control micromachine (35) of sensor
And the amount of feeding, and then realize Automatic-clamping and the release of light-combining prism (7).
Claims (6)
1. a kind of light-combining prism adjusting apparatus, an including optical table (1), a light-combining prism adjustment mechanism (2) and to be installed
With optical element (3), it is characterised in that：Light-combining prism adjustment mechanism (2) is installed in optical table (1) left side, optics to be assembled
Element (3) is placed on optical table (1) right side；Have in the light-combining prism adjustment mechanism (2) linear drives bar (16,19,23,
27th, 30) drive it to move, and there are four micromachines (35) to drive the clamping to optical element to be assembled (3), so as to realize closing
The adjustment of light prism；
Described light-combining prism adjustment mechanism (2) including a base plate (9), two-dimentional slew gear (10), one one-dimensional time
Rotation mechanism (11) and a light-combining prism clamping device (12), described base plate (9) are fixed on a left side for optical table (1) table top
Side, two-dimentional slew gear (10) lower end is hinged by first hook hinge (14) with base plate (9), one-dimensional slew gear (11)
Middle part is rotated with two-dimentional slew gear (10) upper end by a rotary pair (21) and is connected, and the one of light-combining prism clamping device (12)
End is hinged by second hook hinge (32) with one end of one-dimensional slew gear (11).
2. light-combining prism adjusting apparatus according to claim 1, it is characterised in that：Described two-dimentional slew gear (10) bag
Two-dimentional swing arm (13), a first straight line drive rod (16) and a second straight line drive rod (19) are included, the two dimension is dynamic
Arm (13) is hinged by the first hook hinge (14) and base plate (9), and first straight line drive rod (16) one end passes through the tenth ball
Hinge (17) is hinged with two-dimentional swing arm (13), and first straight line drive rod (16) other end passes through first ball pivot (15) and base plate
(9) it is hinged；Second straight line drive rod (19) one end is hinged by second ball pivot (20) with two-dimentional swing arm (13), second straight line
Drive rod (19) other end is hinged by the 3rd ball pivot (18) with base plate (9).
3. light-combining prism adjusting apparatus according to claim 2, it is characterised in that：Described one-dimensional slew gear (11) bag
An one-dimensional swing arm (25) and a 3rd linear drives bar (23) are included, one-dimensional swing arm (25) middle part passes through rotary pair (21)
It is hinged with two-dimentional swing arm (13) upper end, the 3rd linear drives bar (23) one end passes through the 4th ball pivot (24) and one-dimensional swing arm
(25) one end is hinged, and the 3rd linear drives bar (23) other end is hinged by the 5th ball pivot (22) with two-dimentional swing arm (13).
4. light-combining prism adjusting apparatus according to claim 3, it is characterised in that：Described light-combining prism clamping device
(12) including a light-combining prism clamper (33), the 4th linear drives bar (27) and a 5th linear drives bar
(30), light-combining prism clamper (33) one end is connected on one-dimensional swing arm (25) end by second hook hinge (32),
4th linear drives bar (27) one end is hinged by the 6th ball pivot (26) with one-dimensional swing arm (25) middle part, the 4th linear drives
Bar (27) other end is hinged by another 7th ball pivot (28) with light-combining prism clamper (33) other end, the 5th linear drives bar
(30) one end is hinged by the 8th ball pivot (29) with one-dimensional swing arm (25) middle part, and the 5th linear drives bar (30) other end leads to
Another 9th ball pivot (31) is crossed to be hinged with light-combining prism clamper (33) end.
5. light-combining prism adjusting apparatus according to claim 4, it is characterised in that：Described light-combining prism clamper (33)
Chamber framework (34), four micromachines (35) and four force sensor screws (36), institute are adjusted including a light-combining prism
State screw (36) to be connected with micromachine (35) output shaft, be uniformly distributed and adjust chamber framework (34) both sides installed in light-combining prism.
6. light-combining prism adjusting apparatus according to claim 1, it is characterised in that：Described optical element to be assembled (3)
It is made up of laser gyro (5), level crossing (6), light-combining prism (7), described level crossing (6) lies in a horizontal plane in laser gyro (5)
Laser beam exits mouthful, light-combining prism (7) is lain in a horizontal plane on level crossing (6)；The light-combining prism (7) is placed on optical table
(1) right side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410223828.3A CN104006826B (en) | 2014-05-26 | 2014-05-26 | A kind of light-combining prism adjusting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410223828.3A CN104006826B (en) | 2014-05-26 | 2014-05-26 | A kind of light-combining prism adjusting apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104006826A CN104006826A (en) | 2014-08-27 |
| CN104006826B true CN104006826B (en) | 2017-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410223828.3A Expired - Fee Related CN104006826B (en) | 2014-05-26 | 2014-05-26 | A kind of light-combining prism adjusting apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN104006826B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567920B (en) * | 2014-09-03 | 2017-03-29 | 上海大学 | A kind of regulation device for photoelectric tube for the assembling of laser gyro closing light |
| CN105507874B (en) * | 2014-09-27 | 2019-01-01 | 中国石油化工集团公司 | A kind of eight rib Turnover testing devices |
| CN106269402B (en) * | 2016-08-08 | 2019-03-29 | 上海大学 | A kind of accurate dispensing positioning device for the assembly of laser gyro light combination |
| CN111288916A (en) * | 2020-02-28 | 2020-06-16 | 中国科学院上海技术物理研究所 | Precise installation and adjustment device for optical reflector surface shape test |
| CN114166200B (en) * | 2021-12-07 | 2022-10-21 | 重庆集诚昌远科技有限公司 | Laser gyroscope light combining device |
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|---|---|---|---|---|
| US4277141A (en) * | 1979-03-28 | 1981-07-07 | Tropel, Inc. | Multifaceted mirror and assembly fixture and method of making such mirror |
| US4408832A (en) * | 1981-12-07 | 1983-10-11 | United Technologies Corporation | Mirror adjusting fixture |
| CN102033289A (en) * | 2009-09-29 | 2011-04-27 | 中强光电股份有限公司 | Prism regulating device and projecting device |
| JP2011154765A (en) * | 2010-01-28 | 2011-08-11 | Hitachi Media Electoronics Co Ltd | Objective lens driving apparatus and optical pickup |
| CN201955532U (en) * | 2011-03-18 | 2011-08-31 | 杨凯 | Adjustable optical prism |
| CN103471577A (en) * | 2013-09-23 | 2013-12-25 | 上海大学 | Mechanical-shaking laser gyroscope light integrating mechanism |
-
2014
- 2014-05-26 CN CN201410223828.3A patent/CN104006826B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4277141A (en) * | 1979-03-28 | 1981-07-07 | Tropel, Inc. | Multifaceted mirror and assembly fixture and method of making such mirror |
| US4408832A (en) * | 1981-12-07 | 1983-10-11 | United Technologies Corporation | Mirror adjusting fixture |
| CN102033289A (en) * | 2009-09-29 | 2011-04-27 | 中强光电股份有限公司 | Prism regulating device and projecting device |
| JP2011154765A (en) * | 2010-01-28 | 2011-08-11 | Hitachi Media Electoronics Co Ltd | Objective lens driving apparatus and optical pickup |
| CN201955532U (en) * | 2011-03-18 | 2011-08-31 | 杨凯 | Adjustable optical prism |
| CN103471577A (en) * | 2013-09-23 | 2013-12-25 | 上海大学 | Mechanical-shaking laser gyroscope light integrating mechanism |
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| CN104006826A (en) | 2014-08-27 |
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