CN102042466B - Torsional pendulum adjusting frame for large space optical remote sensor - Google Patents
Torsional pendulum adjusting frame for large space optical remote sensor Download PDFInfo
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- CN102042466B CN102042466B CN201010615585A CN201010615585A CN102042466B CN 102042466 B CN102042466 B CN 102042466B CN 201010615585 A CN201010615585 A CN 201010615585A CN 201010615585 A CN201010615585 A CN 201010615585A CN 102042466 B CN102042466 B CN 102042466B
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- remote sensor
- space optical
- large space
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Abstract
The invention relates to the field of detection adjustment, in particular to a torsional pendulum adjusting frame for a large space optical remote sensor. The adjusting frame comprises an underframe, a V-shaped block, a short shaft, a short shaft briquette, a remote sensor connecting plate, a platform, an air static pressure bearing component, an air static pressure bearing support baffle, a regulating screw, a rotating center component and an air static pressure bearing cushion. The rotating mode of adopting a rolling bearing or arc guide rail is replaced by a rotating mode of adopting an air static pressure bearing as a remote sensor torsional pendulum, so the friction generated in rotation is reduced, and the torsional pendulum adjustment can be convenient and freely; and a plurality of air static pressure bearing cushion blocks are used, so the requirement on the size accuracy and surface roughness of the air static pressure bearing and the air static pressure bearing cushion blocks can be reduced. By the torsional pendulum adjusting frame, the air static pressure bearing is used as a rotation adjusting mechanism of the remote sensor torsional pendulum, crawling generated in small displacement is avoided, and the adjusting accuracy is improved; and friction generated in rotating is reduced, so the torsional pendulum adjustment can be convenient and freely.
Description
Technical field
The present invention relates to detect the adjustment field, particularly a kind of large space optical sensor rocks adjustment rack.
Background technique
At present, large space optical sensor swirl gears that adopt when carrying out the ground detection adjustment more.This method has several shortcomings: 1) precision is low.When carrying out the micromotion adjustment, produce and creep, do not reach the resolution of micron order even submicron order.2) cost is high.Swirl gear generally all needs high-precision ball bearing, and no matter ball bearing is machining, still directly buys, and price is all very expensive.3) process-cycle is long.The swirl gear part is many, and processing gets up to waste time and energy, and assembling simultaneously is also very difficult, and whole machining process and assembly period are very very long, and this will certainly influence the lead time of space optical remote sensor.
For the ground detection regulating mechanism of space optical remote sensor, though the swirl gear precision is high, its less stable; For the small space optical sensor; Swirl gear can meet the demands, but for the large space optical sensor, swirl gear is difficult to meet the demands.Therefore, developing a kind of novel optical sensor, to rock regulating mechanism imperative.
Summary of the invention
To above-mentioned situation, for addressing the deficiencies of the prior art, the object of the invention just is to provide a kind of large space optical sensor to rock adjustment rack, can effectively solve the problem that precision is low, cost is high, the process-cycle is long.
The technological scheme that technical solution problem of the present invention adopts is that the large space optical sensor rocks adjustment rack, comprises underframe, V-block, minor axis, minor axis briquetting, remote sensor connecting plate and platform; Underframe is placed on the platform, and V-block is fixed on underframe top, and minor axis is fixed on the remote sensor connecting plate; Minor axis and remote sensor connecting plate are placed on the V-block; It is characterized in that, also comprise aerostatic bearing assembly, aerostatic bearing supporting baffle, adjusting screw rod, center of rotation assembly and aerostatic bearing backing plate, said center of rotation assembly one end is fixed on the underframe; The other end is fixed on the platform; The supported hole that said adjustment screw passes on the underframe is placed on the aerostatic bearing assembly, and the aerostatic bearing assembly is placed on the aerostatic bearing backing plate, and the aerostatic bearing shim is on platform.
The present invention has replaced adopting the rotation mode of rolling bearing or arc guide rail owing to adopted aerostatic bearing as the rotation mode that remote sensor rocks, so the friction that this regulating mechanism produced when having reduced rotation makes to rock to adjust to become freely light; Use a plurality of aerostatic bearing cushion blocks simultaneously, reduced the dimensional accuracy of aerostatic bearing and aerostatic bearing cushion block and the requirement of surface roughness.
Description of drawings
Fig. 1 is the plan view that large space optical sensor of the present invention rocks adjustment rack.
Fig. 2 is the plan view that large space optical sensor of the present invention rocks adjustment rack.
Fig. 3 is the sectional view that large space optical sensor of the present invention rocks the center of rotation assembly of adjustment rack.
Fig. 4 is the sectional view that large space optical sensor of the present invention rocks the aerostatic bearing assembly of adjustment rack.
Fig. 5 is the worm's eye view that large space optical sensor of the present invention rocks the gas foot of adjustment rack.
Among the figure, 1, the aerostatic bearing supporting baffle, 2, the aerostatic bearing assembly, 3, adjusting screw rod, 4, underframe, 5, V-block; 6, minor axis, 7, the minor axis briquetting, 8, the remote sensor connecting plate, 9, the adjustment screw, 10, the center of rotation assembly; 11, aerostatic bearing backing plate, 12, platform, 13, bearing support, 14, deep groove ball bearing, 15, end ring; 16, linear bearing, 17, rotating shaft, 18, flap, 19, gas foot, 20, pipe joint, 21, tracheae; 22, flow controller, 23, Cock screw, 24, guiding gutter, 25, block, 26, adjusting screw.
Embodiment
Elaborate below in conjunction with the accompanying drawing specific embodiments of the invention.
The large space optical sensor rocks adjustment rack, comprises underframe 4, V-block 5, minor axis 6, minor axis briquetting 7, remote sensor connecting plate 8 and platform 12, and underframe 4 is placed on the platform 12; V-block 5 is fixed on underframe 4 tops; Minor axis 6 is fixed on the remote sensor connecting plate 8, and minor axis 6 is placed on the V-block 5 with remote sensor connecting plate 8, it is characterized in that; Also comprise aerostatic bearing assembly 2, aerostatic bearing supporting baffle 1, adjusting screw rod 3, center of rotation assembly 10 and aerostatic bearing backing plate 11; Said center of rotation assembly 10 1 ends are fixed on the underframe 4, and the other end is fixed on the platform 12, and the supported hole that said adjustment screw passes on the underframe 4 is placed on the aerostatic bearing assembly 2; Aerostatic bearing assembly 2 is placed on the aerostatic bearing backing plate 11, and aerostatic bearing backing plate 11 is fixed on the platform 12.
Said center of rotation comprises bearing support 13, deep groove ball bearing 14, end ring 15, linear bearing 16, rotating shaft 17 and flap 18; Rotating shaft 17 is passed bearing support 13 and is linked to each other with platform 12 with commentaries on classics hole on the flap 18; Bearing support 13 links to each other with the outer shroud of deep groove ball bearing 14, and the interior ring of deep groove ball bearing 14 links to each other with the outer shroud of linear bearing 16, and the interior ring of linear bearing 16 links to each other with rotating shaft 17; Bearing fixing is on underframe 4, and flap 18 is fixed on the platform 12.
Between the said deep groove ball bearing 14 end ring 15 is housed.
Said aerostatic bearing assembly 2 comprises gas foot 19, pipe joint 20, tracheae 21, flow controller 22, gas foot 19 and Cock screw 23; One end of pipe joint 20 is sleeved on the upper end-hole of the air cavity of gas foot 19; The other end links to each other with tracheae 21; The lower end mouth of gas foot 19 air cavitys is equipped with flow controller 22, and Cock screw 23 is fixed in the screw hole of gas foot 19.
Said gas foot has guiding gutter 24 on 19 bottom surfaces, and guiding gutter 24 is corresponding with flow controller 22.
Said underframe 4 front ends are equipped with block 25, and platform 12 links to each other with block 25 through adjusting screw 26, and adjustment screw 9 is equipped with in the rear end of underframe 4, and the back of remote sensor connecting plate 8 is placed on the adjusting screw 9.
Working principle of the present invention: when remote sensor need rock adjustment; The height of adjustment adjusting screw rod 3; Make each adjusting screw rod 3 stressed even, open tracheae 21 valves then, pressurized gas are got into the air cavity the inside of gas foot 19 inside by pipe joint 20; Pore by flow controller 22 flows out again, and the pressurized gas of outflow get into the guiding gutter 24 of gas foot 19 bottom surfaces.In getting into guiding gutter 24 air pressure of gas greater than guiding gutter 24 in during the air pressure of gas, gas just overflows in guiding gutter 24.The gas that overflows has formed the very thin air film of one deck between aerostatic bearing assembly 2 and aerostatic bearing backing plate 11, air film floats whole regulating mechanism and remote sensor.Adjustment adjusting screw 26; Make the adjustment structure drive the remote sensor moving center that rotates and rotate, after adjustment finishes, tighten the screw of baffle plate opposite side; Entire mechanism is locked; Aerostatic bearing assembly 2 is died simultaneously, and regulating mechanism and remote sensor fall to making the return trip empty above the gas static pressure bearing backing plate 11, thereby have realized the adjustment of rocking of remote sensor.
Aerostatic bearing supporting baffle 1 of the present invention adopts the 45# steel to process.Adjusting screw rod 3 adopts the 45# steel to process.Underframe 4 adopts the square steeel tube of 100*70*4mm to be welded.V-block 5, minor axis 6, minor axis briquetting 7 adopt the 45# steel to process.Remote sensor connecting plate 8 adopts the square steeel tube of 100*70*4mm to be welded.Adjusting screw 26 adopts the 45# steel to process.Bearing support 13, bearing spacer adopt the 45# steel to process.Deep groove ball bearing 14 is selected band dust cover deep groove ball bearing 14 6012-2Z15 for use, and linear bearing 16 is selected LM40UU for use, and rotating shaft 17 adopts the 45# steel to process, and gas foot 19 adopts 38CrMoAl (A), and flow controller 22 adopts H62 to process.
Shown in Fig. 1-5; The present invention can select the number of aerostatic bearing assembly 2 freely according to varying in weight of regulating mechanism; In the present embodiment; Adopt eight aerostatic bearing assemblies 2, the pressure that each aerostatic bearing cushion block bears is about 1/8 of remote sensor and regulating mechanism gross weight.
The present invention has replaced adopting the rotation mode of rolling bearing or arc guide rail owing to adopted aerostatic bearing as the rotation mode that remote sensor rocks, so the friction that this regulating mechanism produced when having reduced rotation makes to rock to adjust to become freely light; Use a plurality of aerostatic bearing cushion blocks simultaneously, reduced the dimensional accuracy of aerostatic bearing and aerostatic bearing cushion block and the requirement of surface roughness.The present invention has adopted aerostatic bearing as the rotating and regulating mechanism that remote sensor rocks, and produces when having avoided displacement in a small amount and creeps, and has improved the adjustment precision; The friction that has produced when having reduced rotation makes to rock to adjust to become freely light.
Claims (6)
1. the large space optical sensor rocks adjustment rack; Comprise underframe (4), V-block (5), minor axis (6), minor axis briquetting (7), remote sensor connecting plate (8) and platform (12); Underframe (4) is placed on the platform (12), and V-block (5) is fixed on underframe (4) top, and minor axis (6) is fixed on the remote sensor connecting plate (8); Minor axis (6) and remote sensor connecting plate (8) are placed on the V-block (5); It is characterized in that, also comprise aerostatic bearing assembly (2), aerostatic bearing supporting baffle (1), adjusting screw rod (3), center of rotation assembly (10) and aerostatic bearing backing plate (11), said center of rotation assembly (10) one ends are fixed on the underframe (4); The other end is fixed on the platform (12); The supported hole that said adjusting screw rod (3) passes on the underframe (4) is placed on the aerostatic bearing assembly (2), and aerostatic bearing assembly (2) is placed on the aerostatic bearing backing plate (11), and aerostatic bearing backing plate (11) is fixed on the platform (12).
2. large space optical sensor according to claim 1 rocks adjustment rack; It is characterized in that; Said center of rotation assembly (10) comprises bearing support (13), deep groove ball bearing (14), end ring (15), linear bearing (16), rotating shaft (17) and flap (18), and rotating shaft (17) is passed bearing support (13) and linked to each other with platform (12) with commentaries on classics hole on the flap (18), and bearing support (13) links to each other with the outer shroud of deep groove ball bearing (14); The interior ring of deep groove ball bearing (14) links to each other with the outer shroud of linear bearing (16); The interior ring of linear bearing (16) links to each other with rotating shaft (17), and bearing support (13) is fixed on the underframe (4), and flap (18) is fixed on the platform (12).
3. large space optical sensor according to claim 2 rocks adjustment rack, it is characterized in that, end ring (15) is housed between the said deep groove ball bearing (14).
4. large space optical sensor according to claim 1 rocks adjustment rack; It is characterized in that; Said aerostatic bearing assembly (2) comprises gas foot (19), pipe joint (20), tracheae (21), flow controller (22) and Cock screw (23), and an end of pipe joint (20) is sleeved on the upper end-hole of gas foot (19) air cavity, and the other end links to each other with tracheae (21); The lower end mouth of gas foot (19) air cavity is equipped with flow controller (22), and Cock screw (23) is fixed in the screw hole of gas foot (19).
5. large space optical sensor according to claim 4 rocks adjustment rack; It is characterized in that; The top of said gas foot (19) has spherical groove (27), and the lower end of adjusting screw rod (3) is placed on the spherical groove (27), has guiding gutter (24) on the bottom surface of gas foot (19); Guiding gutter (24) ovalize, guiding gutter (24) is corresponding with flow controller (22).
6. large space optical sensor according to claim 1 rocks adjustment rack; It is characterized in that; Said underframe (4) front end is equipped with block (25); Platform (12) links to each other with block (25) through adjusting screw (26), and adjustment screw (9) is equipped with in the rear end of underframe (4), and the back of remote sensor connecting plate (8) is placed on the adjustment screw (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010615585A CN102042466B (en) | 2010-12-30 | 2010-12-30 | Torsional pendulum adjusting frame for large space optical remote sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010615585A CN102042466B (en) | 2010-12-30 | 2010-12-30 | Torsional pendulum adjusting frame for large space optical remote sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102042466A CN102042466A (en) | 2011-05-04 |
| CN102042466B true CN102042466B (en) | 2012-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010615585A Expired - Fee Related CN102042466B (en) | 2010-12-30 | 2010-12-30 | Torsional pendulum adjusting frame for large space optical remote sensor |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5971348A (en) * | 1996-10-03 | 1999-10-26 | Corning Incorporated | Adjustable stand for a cantilevered load |
| CN2743875Y (en) * | 2004-10-28 | 2005-11-30 | 中国科学院长春光学精密机械与物理研究所 | Strucure of optical remote sensing camera frame |
| CN101038013A (en) * | 2006-03-15 | 2007-09-19 | 三星电机株式会社 | System and method for filling fluid into hydrodynamics bearings |
| CN101067975A (en) * | 2006-05-02 | 2007-11-07 | 三星电机株式会社 | Display rotation and extension apparatus and control method thereof |
| CN201027898Y (en) * | 2006-12-18 | 2008-02-27 | 中国科学院长春光学精密机械与物理研究所 | Vibration damping structure for aviation optical remote sensing device |
| CN101443563A (en) * | 2006-06-08 | 2009-05-27 | Ntn株式会社 | Fluid bearing device |
-
2010
- 2010-12-30 CN CN201010615585A patent/CN102042466B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5971348A (en) * | 1996-10-03 | 1999-10-26 | Corning Incorporated | Adjustable stand for a cantilevered load |
| CN2743875Y (en) * | 2004-10-28 | 2005-11-30 | 中国科学院长春光学精密机械与物理研究所 | Strucure of optical remote sensing camera frame |
| CN101038013A (en) * | 2006-03-15 | 2007-09-19 | 三星电机株式会社 | System and method for filling fluid into hydrodynamics bearings |
| CN101067975A (en) * | 2006-05-02 | 2007-11-07 | 三星电机株式会社 | Display rotation and extension apparatus and control method thereof |
| CN101443563A (en) * | 2006-06-08 | 2009-05-27 | Ntn株式会社 | Fluid bearing device |
| CN201027898Y (en) * | 2006-12-18 | 2008-02-27 | 中国科学院长春光学精密机械与物理研究所 | Vibration damping structure for aviation optical remote sensing device |
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| CN102042466A (en) | 2011-05-04 |
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Granted publication date: 20120919 Termination date: 20131230 |